diff options
Diffstat (limited to 'protocols')
| -rw-r--r-- | protocols/Makefile | 3 | ||||
| -rw-r--r-- | protocols/account.c | 360 | ||||
| -rw-r--r-- | protocols/account.h | 72 | ||||
| -rw-r--r-- | protocols/bee.c | 94 | ||||
| -rw-r--r-- | protocols/bee.h | 103 | ||||
| -rw-r--r-- | protocols/bee_ft.c | 66 | ||||
| -rw-r--r-- | protocols/bee_user.c | 206 | ||||
| -rw-r--r-- | protocols/chat.c | 192 | ||||
| -rw-r--r-- | protocols/chat.h | 51 | ||||
| -rw-r--r-- | protocols/ft.h | 175 | ||||
| -rw-r--r-- | protocols/jabber/Makefile | 2 | ||||
| -rw-r--r-- | protocols/jabber/iq.c | 209 | ||||
| -rw-r--r-- | protocols/jabber/jabber.c | 15 | ||||
| -rw-r--r-- | protocols/jabber/jabber.h | 86 | ||||
| -rw-r--r-- | protocols/jabber/jabber_util.c | 14 | ||||
| -rw-r--r-- | protocols/jabber/s5bytestream.c | 1154 | ||||
| -rw-r--r-- | protocols/jabber/si.c | 529 | ||||
| -rw-r--r-- | protocols/msn/invitation.c | 622 | ||||
| -rw-r--r-- | protocols/msn/invitation.h | 82 | ||||
| -rw-r--r-- | protocols/msn/msn.c | 7 | ||||
| -rw-r--r-- | protocols/msn/msn.h | 4 | ||||
| -rw-r--r-- | protocols/msn/msn_util.c | 3 | ||||
| -rw-r--r-- | protocols/msn/sb.c | 100 | ||||
| -rw-r--r-- | protocols/nogaim.c | 517 | ||||
| -rw-r--r-- | protocols/nogaim.h | 21 | ||||
| -rw-r--r-- | protocols/oscar/oscar.c | 7 | ||||
| -rw-r--r-- | protocols/twitter/twitter_lib.c | 2 |
27 files changed, 4157 insertions, 539 deletions
diff --git a/protocols/Makefile b/protocols/Makefile index 18d79e8d..46c73559 100644 --- a/protocols/Makefile +++ b/protocols/Makefile @@ -9,7 +9,8 @@ -include ../Makefile.settings # [SH] Program variables -objects = nogaim.o +objects = account.o bee.o bee_ft.o bee_user.o nogaim.o + # [SH] The next two lines should contain the directory name (in $(subdirs)) # and the name of the object file, which should be linked into diff --git a/protocols/account.c b/protocols/account.c new file mode 100644 index 00000000..0bacea74 --- /dev/null +++ b/protocols/account.c @@ -0,0 +1,360 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Account management functions */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#define BITLBEE_CORE +#include "bitlbee.h" +#include "account.h" +#include "chat.h" + +account_t *account_add( bee_t *bee, struct prpl *prpl, char *user, char *pass ) +{ + account_t *a; + set_t *s; + + if( bee->accounts ) + { + for( a = bee->accounts; a->next; a = a->next ); + a = a->next = g_new0( account_t, 1 ); + } + else + { + bee->accounts = a = g_new0 ( account_t, 1 ); + } + + a->prpl = prpl; + a->user = g_strdup( user ); + a->pass = g_strdup( pass ); + a->auto_connect = 1; + a->bee = bee; + + s = set_add( &a->set, "auto_connect", "true", set_eval_account, a ); + s->flags |= ACC_SET_NOSAVE; + + s = set_add( &a->set, "auto_reconnect", "true", set_eval_bool, a ); + + s = set_add( &a->set, "nick_source", "handle", NULL, a ); + + s = set_add( &a->set, "password", NULL, set_eval_account, a ); + s->flags |= ACC_SET_NOSAVE | SET_NULL_OK; + + s = set_add( &a->set, "username", NULL, set_eval_account, a ); + s->flags |= ACC_SET_NOSAVE | ACC_SET_OFFLINE_ONLY; + set_setstr( &a->set, "username", user ); + + a->nicks = g_hash_table_new_full( g_str_hash, g_str_equal, g_free, g_free ); + + /* This function adds some more settings (and might want to do more + things that have to be done now, although I can't think of anything. */ + if( prpl->init ) + prpl->init( a ); + + s = set_add( &a->set, "away", NULL, set_eval_account, a ); + s->flags |= SET_NULL_OK; + + if( a->flags & ACC_FLAG_STATUS_MESSAGE ) + { + s = set_add( &a->set, "status", NULL, set_eval_account, a ); + s->flags |= SET_NULL_OK; + } + + return a; +} + +char *set_eval_account( set_t *set, char *value ) +{ + account_t *acc = set->data; + + /* Double-check: We refuse to edit on-line accounts. */ + if( set->flags & ACC_SET_OFFLINE_ONLY && acc->ic ) + return SET_INVALID; + + if( strcmp( set->key, "server" ) == 0 ) + { + g_free( acc->server ); + if( value && *value ) + { + acc->server = g_strdup( value ); + return value; + } + else + { + acc->server = g_strdup( set->def ); + return g_strdup( set->def ); + } + } + else if( strcmp( set->key, "username" ) == 0 ) + { + g_free( acc->user ); + acc->user = g_strdup( value ); + return value; + } + else if( strcmp( set->key, "password" ) == 0 ) + { + if( value ) + { + g_free( acc->pass ); + acc->pass = g_strdup( value ); + return NULL; /* password shouldn't be visible in plaintext! */ + } + else + { + /* NULL can (should) be stored in the set_t + variable, but is otherwise not correct. */ + return SET_INVALID; + } + } + else if( strcmp( set->key, "auto_connect" ) == 0 ) + { + if( !is_bool( value ) ) + return SET_INVALID; + + acc->auto_connect = bool2int( value ); + return value; + } + else if( strcmp( set->key, "away" ) == 0 || + strcmp( set->key, "status" ) == 0 ) + { + if( acc->ic && acc->ic->flags & OPT_LOGGED_IN ) + { + /* If we're currently on-line, set the var now already + (bit of a hack) and send an update. */ + g_free( set->value ); + set->value = g_strdup( value ); + + imc_away_send_update( acc->ic ); + } + + return value; + } + + return SET_INVALID; +} + +account_t *account_get( bee_t *bee, char *id ) +{ + account_t *a, *ret = NULL; + char *handle, *s; + int nr; + + /* This checks if the id string ends with (...) */ + if( ( handle = strchr( id, '(' ) ) && ( s = strchr( handle, ')' ) ) && s[1] == 0 ) + { + struct prpl *proto; + + *s = *handle = 0; + handle ++; + + if( ( proto = find_protocol( id ) ) ) + { + for( a = bee->accounts; a; a = a->next ) + if( a->prpl == proto && + a->prpl->handle_cmp( handle, a->user ) == 0 ) + ret = a; + } + + /* Restore the string. */ + handle --; + *handle = '('; + *s = ')'; + + if( ret ) + return ret; + } + + if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 ) + { + for( a = bee->accounts; a; a = a->next ) + if( ( nr-- ) == 0 ) + return( a ); + + return( NULL ); + } + + for( a = bee->accounts; a; a = a->next ) + { + if( g_strcasecmp( id, a->prpl->name ) == 0 ) + { + if( !ret ) + ret = a; + else + return( NULL ); /* We don't want to match more than one... */ + } + else if( strstr( a->user, id ) ) + { + if( !ret ) + ret = a; + else + return( NULL ); + } + } + + return( ret ); +} + +void account_del( bee_t *bee, account_t *acc ) +{ + account_t *a, *l = NULL; + + if( acc->ic ) + /* Caller should have checked, accounts still in use can't be deleted. */ + return; + + for( a = bee->accounts; a; a = (l=a)->next ) + if( a == acc ) + { + if( l ) + l->next = a->next; + else + bee->accounts = a->next; + + /** FIXME + for( c = bee->chatrooms; c; c = nc ) + { + nc = c->next; + if( acc == c->acc ) + chat_del( bee, c ); + } + */ + + while( a->set ) + set_del( &a->set, a->set->key ); + + g_hash_table_destroy( a->nicks ); + + g_free( a->user ); + g_free( a->pass ); + g_free( a->server ); + if( a->reconnect ) /* This prevents any reconnect still queued to happen */ + cancel_auto_reconnect( a ); + g_free( a ); + + break; + } +} + +void account_on( bee_t *bee, account_t *a ) +{ + if( a->ic ) + { + /* Trying to enable an already-enabled account */ + return; + } + + cancel_auto_reconnect( a ); + + a->reconnect = 0; + a->prpl->login( a ); +} + +void account_off( bee_t *bee, account_t *a ) +{ + imc_logout( a->ic, FALSE ); + a->ic = NULL; + if( a->reconnect ) + { + /* Shouldn't happen */ + cancel_auto_reconnect( a ); + } +} + +struct account_reconnect_delay +{ + int start; + char op; + int step; + int max; +}; + +int account_reconnect_delay_parse( char *value, struct account_reconnect_delay *p ) +{ + memset( p, 0, sizeof( *p ) ); + /* A whole day seems like a sane "maximum maximum". */ + p->max = 86400; + + /* Format: /[0-9]+([*+][0-9]+(<[0-9+])?)?/ */ + while( *value && isdigit( *value ) ) + p->start = p->start * 10 + *value++ - '0'; + + /* Sure, call me evil for implementing my own fscanf here, but it's + dead simple and I immediately know where to continue parsing. */ + + if( *value == 0 ) + /* If the string ends now, the delay is constant. */ + return 1; + else if( *value != '+' && *value != '*' ) + /* Otherwise allow either a + or a * */ + return 0; + + p->op = *value++; + + /* + or * the delay by this number every time. */ + while( *value && isdigit( *value ) ) + p->step = p->step * 10 + *value++ - '0'; + + if( *value == 0 ) + /* Use the default maximum (one day). */ + return 1; + else if( *value != '<' ) + return 0; + + p->max = 0; + value ++; + while( *value && isdigit( *value ) ) + p->max = p->max * 10 + *value++ - '0'; + + return p->max > 0; +} + +char *set_eval_account_reconnect_delay( set_t *set, char *value ) +{ + struct account_reconnect_delay p; + + return account_reconnect_delay_parse( value, &p ) ? value : SET_INVALID; +} + +int account_reconnect_delay( account_t *a ) +{ + char *setting = set_getstr( &a->bee->set, "auto_reconnect_delay" ); + struct account_reconnect_delay p; + + if( account_reconnect_delay_parse( setting, &p ) ) + { + if( a->auto_reconnect_delay == 0 ) + a->auto_reconnect_delay = p.start; + else if( p.op == '+' ) + a->auto_reconnect_delay += p.step; + else if( p.op == '*' ) + a->auto_reconnect_delay *= p.step; + + if( a->auto_reconnect_delay > p.max ) + a->auto_reconnect_delay = p.max; + } + else + { + a->auto_reconnect_delay = 0; + } + + return a->auto_reconnect_delay; +} diff --git a/protocols/account.h b/protocols/account.h new file mode 100644 index 00000000..be27542e --- /dev/null +++ b/protocols/account.h @@ -0,0 +1,72 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2004 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Account management functions */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _ACCOUNT_H +#define _ACCOUNT_H + +typedef struct account +{ + struct prpl *prpl; + char *user; + char *pass; + char *server; + + int auto_connect; + int auto_reconnect_delay; + int reconnect; + int flags; + + set_t *set; + GHashTable *nicks; + + struct bee *bee; + struct im_connection *ic; + struct account *next; +} account_t; + +account_t *account_add( bee_t *bee, struct prpl *prpl, char *user, char *pass ); +account_t *account_get( bee_t *bee, char *id ); +void account_del( bee_t *bee, account_t *acc ); +void account_on( bee_t *bee, account_t *a ); +void account_off( bee_t *bee, account_t *a ); + +char *set_eval_account( set_t *set, char *value ); +char *set_eval_account_reconnect_delay( set_t *set, char *value ); +int account_reconnect_delay( account_t *a ); + +typedef enum +{ + ACC_SET_NOSAVE = 0x01, /* Don't save this setting (i.e. stored elsewhere). */ + ACC_SET_OFFLINE_ONLY = 0x02, /* Allow changes only if the acct is offline. */ + ACC_SET_ONLINE_ONLY = 0x04, /* Allow changes only if the acct is online. */ +} account_set_flag_t; + +typedef enum +{ + ACC_FLAG_AWAY_MESSAGE = 0x01, /* Supports away messages instead of just states. */ + ACC_FLAG_STATUS_MESSAGE = 0x02, /* Supports status messages (without being away). */ +} account_flag_t; + +#endif diff --git a/protocols/bee.c b/protocols/bee.c new file mode 100644 index 00000000..1aaa90f0 --- /dev/null +++ b/protocols/bee.c @@ -0,0 +1,94 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Some IM-core stuff */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#define BITLBEE_CORE +#include "bitlbee.h" + +static char *set_eval_away_status( set_t *set, char *value ); + +bee_t *bee_new() +{ + bee_t *b = g_new0( bee_t, 1 ); + set_t *s; + + s = set_add( &b->set, "away", NULL, set_eval_away_status, b ); + s->flags |= SET_NULL_OK; + s = set_add( &b->set, "auto_connect", "true", set_eval_bool, b ); + s = set_add( &b->set, "auto_reconnect", "true", set_eval_bool, b ); + s = set_add( &b->set, "auto_reconnect_delay", "5*3<900", NULL/*set_eval_account_reconnect_delay*/, b ); + s = set_add( &b->set, "debug", "false", set_eval_bool, b ); + s = set_add( &b->set, "password", NULL, NULL/*set_eval_password*/, b ); + s->flags |= SET_NULL_OK; + s = set_add( &b->set, "save_on_quit", "true", set_eval_bool, b ); + s = set_add( &b->set, "status", NULL, set_eval_away_status, b ); + s->flags |= SET_NULL_OK; + s = set_add( &b->set, "strip_html", "true", NULL, b ); + + return b; +} + +void bee_free( bee_t *b ) +{ + account_t *acc = b->accounts; + + while( acc ) + { + if( acc->ic ) + imc_logout( acc->ic, FALSE ); + else if( acc->reconnect ) + cancel_auto_reconnect( acc ); + + if( acc->ic == NULL ) + account_del( b, acc ); + else + /* Nasty hack, but account_del() doesn't work in this + case and we don't want infinite loops, do we? ;-) */ + acc = acc->next; + } + + while( b->set ) + set_del( &b->set, b->set->key ); + + g_free( b ); +} + +static char *set_eval_away_status( set_t *set, char *value ) +{ + bee_t *bee = set->data; + account_t *a; + + g_free( set->value ); + set->value = g_strdup( value ); + + for( a = bee->accounts; a; a = a->next ) + { + struct im_connection *ic = a->ic; + + if( ic && ic->flags & OPT_LOGGED_IN ) + imc_away_send_update( ic ); + } + + return value; +} diff --git a/protocols/bee.h b/protocols/bee.h new file mode 100644 index 00000000..62f60477 --- /dev/null +++ b/protocols/bee.h @@ -0,0 +1,103 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Stuff to handle, save and search buddies */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef __BEE_H__ +#define __BEE_H__ + +struct bee_ui_funcs; + +typedef struct bee +{ + struct set *set; + + GSList *users; + struct account *accounts; /* TODO(wilmer): Use GSList here too? */ + + const struct bee_ui_funcs *ui; + void *ui_data; +} bee_t; + +bee_t *bee_new(); +void bee_free( bee_t *b ); + +typedef enum +{ + BEE_USER_ONLINE = 1, /* Compatibility with old OPT_LOGGED_IN flag */ + BEE_USER_AWAY = 4, /* Compatibility with old OPT_AWAY flag */ +} bee_user_flags_t; + +typedef struct bee_user +{ + struct im_connection *ic; + char *handle; + char *fullname; + char *group; + + bee_user_flags_t flags; + char *status; + char *status_msg; + + bee_t *bee; + void *ui_data; +} bee_user_t; + +typedef struct bee_ui_funcs +{ + gboolean (*user_new)( bee_t *bee, struct bee_user *bu ); + gboolean (*user_free)( bee_t *bee, struct bee_user *bu ); + gboolean (*user_fullname)( bee_t *bee, bee_user_t *bu ); + gboolean (*user_status)( bee_t *bee, struct bee_user *bu, struct bee_user *old ); + gboolean (*user_msg)( bee_t *bee, bee_user_t *bu, const char *msg, time_t sent_at ); + gboolean (*user_typing)( bee_t *bee, bee_user_t *bu, guint32 flags ); + + struct file_transfer* (*ft_in_start)( bee_t *bee, bee_user_t *bu, const char *file_name, size_t file_size ); + gboolean (*ft_out_start)( struct im_connection *ic, struct file_transfer *ft ); + void (*ft_close)( struct im_connection *ic, struct file_transfer *ft ); + void (*ft_finished)( struct im_connection *ic, struct file_transfer *ft ); +} bee_ui_funcs_t; + + +/* bee.c */ +bee_t *bee_new(); +void bee_free( bee_t *b ); + +/* bee_user.c */ +bee_user_t *bee_user_new( bee_t *bee, struct im_connection *ic, const char *handle ); +int bee_user_free( bee_t *bee, bee_user_t *bu ); +bee_user_t *bee_user_by_handle( bee_t *bee, struct im_connection *ic, const char *handle ); +int bee_user_msg( bee_t *bee, bee_user_t *bu, const char *msg, int flags ); + +/* Callbacks from IM modules to core: */ +/* Buddy activity */ +/* To manipulate the status of a handle. + * - flags can be |='d with OPT_* constants. You will need at least: + * OPT_LOGGED_IN and OPT_AWAY. + * - 'state' and 'message' can be NULL */ +G_MODULE_EXPORT void imcb_buddy_status( struct im_connection *ic, const char *handle, int flags, const char *state, const char *message ); +/* Not implemented yet! */ G_MODULE_EXPORT void imcb_buddy_times( struct im_connection *ic, const char *handle, time_t login, time_t idle ); +/* Call when a handle says something. 'flags' and 'sent_at may be just 0. */ +G_MODULE_EXPORT void imcb_buddy_msg( struct im_connection *ic, const char *handle, char *msg, guint32 flags, time_t sent_at ); + +#endif /* __BEE_H__ */ diff --git a/protocols/bee_ft.c b/protocols/bee_ft.c new file mode 100644 index 00000000..1026eab3 --- /dev/null +++ b/protocols/bee_ft.c @@ -0,0 +1,66 @@ +/********************************************************************\ +* BitlBee -- An IRC to other IM-networks gateway * +* * +* Copyright 2010 Wilmer van der Gaast <wilmer@gaast.net> * +\********************************************************************/ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#define BITLBEE_CORE +#include "bitlbee.h" +#include "ft.h" + +file_transfer_t *imcb_file_send_start( struct im_connection *ic, char *handle, char *file_name, size_t file_size ) +{ + bee_t *bee = ic->bee; + bee_user_t *bu = bee_user_by_handle( bee, ic, handle ); + + if( bee->ui->ft_in_start ) + return bee->ui->ft_in_start( bee, bu, file_name, file_size ); + else + return NULL; +} + +gboolean imcb_file_recv_start( struct im_connection *ic, file_transfer_t *ft ) +{ + bee_t *bee = ic->bee; + + if( bee->ui->ft_out_start ) + return bee->ui->ft_out_start( ic, ft ); + else + return FALSE; +} + +void imcb_file_canceled( struct im_connection *ic, file_transfer_t *file, char *reason ) +{ + bee_t *bee = ic->bee; + + if( file->canceled ) + file->canceled( file, reason ); + + if( bee->ui->ft_close ) + bee->ui->ft_close( ic, file ); +} + +void imcb_file_finished( struct im_connection *ic, file_transfer_t *file ) +{ + bee_t *bee = ic->bee; + + if( bee->ui->ft_finished ) + bee->ui->ft_finished( ic, file ); +} diff --git a/protocols/bee_user.c b/protocols/bee_user.c new file mode 100644 index 00000000..7a38882b --- /dev/null +++ b/protocols/bee_user.c @@ -0,0 +1,206 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Stuff to handle, save and search buddies */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#define BITLBEE_CORE +#include "bitlbee.h" + +bee_user_t *bee_user_new( bee_t *bee, struct im_connection *ic, const char *handle ) +{ + bee_user_t *bu; + + if( bee_user_by_handle( bee, ic, handle ) != NULL ) + return NULL; + + bu = g_new0( bee_user_t, 1 ); + bu->bee = bee; + bu->ic = ic; + bu->handle = g_strdup( handle ); + bee->users = g_slist_prepend( bee->users, bu ); + + if( bee->ui->user_new ) + bee->ui->user_new( bee, bu ); + + return bu; +} + +int bee_user_free( bee_t *bee, bee_user_t *bu ) +{ + if( !bu ) + return 0; + + if( bee->ui->user_free ) + bee->ui->user_free( bee, bu ); + + g_free( bu->handle ); + g_free( bu->fullname ); + g_free( bu->group ); + g_free( bu->status ); + g_free( bu->status_msg ); + + bee->users = g_slist_remove( bee->users, bu ); + + return 1; +} + +bee_user_t *bee_user_by_handle( bee_t *bee, struct im_connection *ic, const char *handle ) +{ + GSList *l; + + for( l = bee->users; l; l = l->next ) + { + bee_user_t *bu = l->data; + + if( bu->ic == ic && ic->acc->prpl->handle_cmp( bu->handle, handle ) == 0 ) + return bu; + } + + return NULL; +} + +int bee_user_msg( bee_t *bee, bee_user_t *bu, const char *msg, int flags ) +{ + char *buf = NULL; + int st; + + if( ( bu->ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) ) + { + buf = escape_html( msg ); + msg = buf; + } + else + buf = g_strdup( msg ); + + st = bu->ic->acc->prpl->buddy_msg( bu->ic, bu->handle, buf, flags ); + g_free( buf ); + + return st; +} + + +/* IM->UI callbacks */ +void imcb_buddy_status( struct im_connection *ic, const char *handle, int flags, const char *state, const char *message ) +{ + bee_t *bee = ic->bee; + bee_user_t *bu, *old; + + if( !( bu = bee_user_by_handle( bee, ic, handle ) ) ) + { + if( g_strcasecmp( set_getstr( &ic->bee->set, "handle_unknown" ), "add" ) == 0 ) + { + bu = bee_user_new( bee, ic, handle ); + } + else + { + if( g_strcasecmp( set_getstr( &ic->bee->set, "handle_unknown" ), "ignore" ) != 0 ) + { + imcb_log( ic, "imcb_buddy_status() for unknown handle %s:\n" + "flags = %d, state = %s, message = %s", handle, flags, + state ? state : "NULL", message ? message : "NULL" ); + } + + return; + } + } + + /* May be nice to give the UI something to compare against. */ + old = g_memdup( bu, sizeof( bee_user_t ) ); + + /* TODO(wilmer): OPT_AWAY, or just state == NULL ? */ + bu->flags = flags; + bu->status = g_strdup( ( flags & OPT_AWAY ) && state == NULL ? "Away" : state ); + bu->status_msg = g_strdup( message ); + + if( bee->ui->user_status ) + bee->ui->user_status( bee, bu, old ); + + g_free( old->status_msg ); + g_free( old->status ); + g_free( old ); +#if 0 + /* LISPy... */ + if( ( set_getbool( &ic->bee->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */ + ( u->online ) && /* Don't touch offline people */ + ( ( ( u->online != oo ) && !u->away ) || /* Voice joining people */ + ( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */ + { + char *from; + + if( set_getbool( &ic->bee->set, "simulate_netsplit" ) ) + { + from = g_strdup( ic->irc->myhost ); + } + else + { + from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick, + ic->irc->myhost ); + } + irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel, + u->away?'-':'+', u->nick ); + g_free( from ); + } +#endif +} + +void imcb_buddy_msg( struct im_connection *ic, const char *handle, char *msg, uint32_t flags, time_t sent_at ) +{ + bee_t *bee = ic->bee; + bee_user_t *bu; + + bu = bee_user_by_handle( bee, ic, handle ); + + if( !bu ) + { + char *h = set_getstr( &bee->set, "handle_unknown" ); + + if( g_strcasecmp( h, "ignore" ) == 0 ) + { + return; + } + else if( g_strncasecmp( h, "add", 3 ) == 0 ) + { + bu = bee_user_new( bee, ic, handle ); + } + } + + if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) || + ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) ) + strip_html( msg ); + + if( bee->ui->user_msg && bu ) + bee->ui->user_msg( bee, bu, msg, sent_at ); + else + imcb_log( ic, "Message from unknown handle %s:\n%s", handle, msg ); +} + +void imcb_buddy_typing( struct im_connection *ic, char *handle, uint32_t flags ) +{ + bee_user_t *bu; + + if( ic->bee->ui->user_typing && + ( bu = bee_user_by_handle( ic->bee, ic, handle ) ) ) + { + ic->bee->ui->user_typing( ic->bee, bu, flags ); + } +} diff --git a/protocols/chat.c b/protocols/chat.c new file mode 100644 index 00000000..8c5ce0bc --- /dev/null +++ b/protocols/chat.c @@ -0,0 +1,192 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2008 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Keep track of chatrooms the user is interested in */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#include "bitlbee.h" +#include "chat.h" + +struct chat *chat_add( irc_t *irc, account_t *acc, char *handle, char *channel ) +{ + struct chat *c, *l; + set_t *s; + + if( acc->prpl->chat_join == NULL || !chat_chanok( channel ) || + chat_chancmp( channel, irc->channel ) == 0 ) + { + return NULL; + } + + for( c = irc->chatrooms; c; c = c->next ) + { + if( chat_chancmp( channel, c->channel ) == 0 ) + return NULL; + + if( acc == c->acc && g_strcasecmp( handle, c->handle ) == 0 ) + return NULL; + + l = c; + } + + if( irc->chatrooms == NULL ) + irc->chatrooms = c = g_new0( struct chat, 1 ); + else + l->next = c = g_new0( struct chat, 1 ); + + c->acc = acc; + c->handle = g_strdup( handle ); + c->channel = g_strdup( channel ); + + s = set_add( &c->set, "auto_join", "false", set_eval_bool, c ); + /* s = set_add( &c->set, "auto_rejoin", "false", set_eval_bool, c ); */ + s = set_add( &c->set, "nick", NULL, NULL, c ); + s->flags |= SET_NULL_OK; + + return c; +} + +struct chat *chat_byhandle( irc_t *irc, account_t *acc, char *handle ) +{ + struct chat *c; + + for( c = irc->chatrooms; c; c = c->next ) + { + if( acc == c->acc && g_strcasecmp( handle, c->handle ) == 0 ) + break; + } + + return c; +} + +struct chat *chat_bychannel( irc_t *irc, char *channel ) +{ + struct chat *c; + + for( c = irc->chatrooms; c; c = c->next ) + { + if( chat_chancmp( channel, c->channel ) == 0 ) + break; + } + + return c; +} + +struct chat *chat_get( irc_t *irc, char *id ) +{ + struct chat *c, *ret = NULL; + int nr; + + if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 ) + { + for( c = irc->chatrooms; c; c = c->next ) + if( ( nr-- ) == 0 ) + return c; + + return NULL; + } + + for( c = irc->chatrooms; c; c = c->next ) + { + if( strstr( c->handle, id ) ) + { + if( !ret ) + ret = c; + else + return NULL; + } + else if( strstr( c->channel, id ) ) + { + if( !ret ) + ret = c; + else + return NULL; + } + } + + return ret; +} + +int chat_del( irc_t *irc, struct chat *chat ) +{ + struct chat *c, *l = NULL; + + for( c = irc->chatrooms; c; c = (l=c)->next ) + if( c == chat ) + break; + + if( c == NULL ) + return 0; + else if( l == NULL ) + irc->chatrooms = c->next; + else + l->next = c->next; + + while( c->set ) + set_del( &c->set, c->set->key ); + + g_free( c->handle ); + g_free( c->channel ); + g_free( c ); + + return 1; +} + +int chat_chancmp( char *a, char *b ) +{ + if( !chat_chanok( a ) || !chat_chanok( b ) ) + return 0; + + if( a[0] == b[0] ) + return nick_cmp( a + 1, b + 1 ); + else + return -1; +} + +int chat_chanok( char *a ) +{ + if( strchr( CTYPES, a[0] ) != NULL ) + return nick_ok( a + 1 ); + else + return 0; +} + +int chat_join( irc_t *irc, struct chat *c, const char *password ) +{ + struct groupchat *gc; + char *nick = set_getstr( &c->set, "nick" ); + + if( c->acc->ic == NULL || c->acc->prpl->chat_join == NULL ) + return 0; + + if( nick == NULL ) + nick = irc->nick; + + if( ( gc = c->acc->prpl->chat_join( c->acc->ic, c->handle, nick, password ) ) ) + { + g_free( gc->channel ); + gc->channel = g_strdup( c->channel ); + return 1; + } + + return 0; +} diff --git a/protocols/chat.h b/protocols/chat.h new file mode 100644 index 00000000..7196aea8 --- /dev/null +++ b/protocols/chat.h @@ -0,0 +1,51 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2008 Wilmer van der Gaast and others * + \********************************************************************/ + +/* Keep track of chatrooms the user is interested in */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _CHAT_H +#define _CHAT_H + +struct chat +{ + account_t *acc; + + char *handle; + char *channel; + set_t *set; + + struct chat *next; +}; + +struct chat *chat_add( irc_t *irc, account_t *acc, char *handle, char *channel ); +struct chat *chat_byhandle( irc_t *irc, account_t *acc, char *handle ); +struct chat *chat_bychannel( irc_t *irc, char *channel ); +struct chat *chat_get( irc_t *irc, char *id ); +int chat_del( irc_t *irc, struct chat *chat ); + +int chat_chancmp( char *a, char *b ); +int chat_chanok( char *a ); + +int chat_join( irc_t *irc, struct chat *c, const char *password ); + +#endif diff --git a/protocols/ft.h b/protocols/ft.h new file mode 100644 index 00000000..c1ee2b49 --- /dev/null +++ b/protocols/ft.h @@ -0,0 +1,175 @@ +/********************************************************************\ +* BitlBee -- An IRC to other IM-networks gateway * +* * +* Copyright 2006 Marijn Kruisselbrink and others * +\********************************************************************/ + +/* Generic file transfer header */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _FT_H +#define _FT_H + +/* + * One buffer is needed for each transfer. The receiver stores a message + * in it and gives it to the sender. The sender will stall the receiver + * till the buffer has been sent out. + */ +#define FT_BUFFER_SIZE 2048 + +typedef enum { + FT_STATUS_LISTENING = 1, + FT_STATUS_TRANSFERRING = 2, + FT_STATUS_FINISHED = 4, + FT_STATUS_CANCELED = 8, + FT_STATUS_CONNECTING = 16 +} file_status_t; + +/* + * This structure holds all irc specific information regarding an incoming (from the point of view of + * the irc client) file transfer. New instances of this struct should only be created by calling the + * imcb_file_send_start() method, which will initialize most of the fields. The data field and the various + * methods are zero-initialized. Instances will automatically be deleted once the transfer is completed, + * canceled, or the connection to the irc client has been lost (note that also if only the irc connection + * and not the file transfer connection is lost, the file transfer will still be canceled and freed). + * + * The following (poor ascii-art) diagram illustrates what methods are called for which status-changes: + * + * /-----------\ /----------\ + * -------> | LISTENING | -----------------> | CANCELED | + * \-----------/ [canceled,]free \----------/ + * | + * | accept + * V + * /------ /-------------\ /------------------------\ + * out_of_data | | TRANSFERING | -----------------> | TRANSFERING | CANCELED | + * \-----> \-------------/ [canceled,]free \------------------------/ + * | + * | finished,free + * V + * /------------------------\ + * | TRANSFERING | FINISHED | + * \------------------------/ + */ +typedef struct file_transfer { + + /* Are we sending something? */ + int sending; + + /* + * The current status of this file transfer. + */ + file_status_t status; + + /* + * file size + */ + size_t file_size; + + /* + * Number of bytes that have been successfully transferred. + */ + size_t bytes_transferred; + + /* + * Time started. Used to calculate kb/s. + */ + time_t started; + + /* + * file name + */ + char *file_name; + + /* + * A unique local ID for this file transfer. + */ + unsigned int local_id; + + /* + * IM-protocol specific data associated with this file transfer. + */ + gpointer data; + + /* + * Private data. + */ + gpointer priv; + + /* + * If set, called after succesful connection setup. + */ + void (*accept) ( struct file_transfer *file ); + + /* + * If set, called when the transfer is canceled or finished. + * Subsequently, this structure will be freed. + * + */ + void (*free) ( struct file_transfer *file ); + + /* + * If set, called when the transfer is finished and successful. + */ + void (*finished) ( struct file_transfer *file ); + + /* + * If set, called when the transfer is canceled. + * ( canceled either by the transfer implementation or by + * a call to imcb_file_canceled ) + */ + void (*canceled) ( struct file_transfer *file, char *reason ); + + /* + * called by the sending side to indicate that it is writable. + * The callee should check if data is available and call the + * function(as seen below) if that is the case. + */ + gboolean (*write_request) ( struct file_transfer *file ); + + /* + * When sending files, protocols register this function to receive data. + * This should only be called once after write_request is called. The caller + * should not read more data until write_request is called again. This technique + * avoids buffering. + */ + gboolean (*write) (struct file_transfer *file, char *buffer, unsigned int len ); + + /* The send buffer associated with this transfer. + * Since receivers always wait for a write_request call one is enough. + */ + char buffer[FT_BUFFER_SIZE]; + +} file_transfer_t; + +/* + * This starts a file transfer from bitlbee to the user. + */ +file_transfer_t *imcb_file_send_start( struct im_connection *ic, char *user_nick, char *file_name, size_t file_size ); + +/* + * This should be called by a protocol when the transfer is canceled. Note that + * the canceled() and free() callbacks given in file will be called by this function. + */ +void imcb_file_canceled( struct im_connection *ic, file_transfer_t *file, char *reason ); + +gboolean imcb_file_recv_start( struct im_connection *ic, file_transfer_t *ft ); + +void imcb_file_finished( struct im_connection *ic, file_transfer_t *file ); +#endif diff --git a/protocols/jabber/Makefile b/protocols/jabber/Makefile index e7a505ba..78a02696 100644 --- a/protocols/jabber/Makefile +++ b/protocols/jabber/Makefile @@ -9,7 +9,7 @@ -include ../../Makefile.settings # [SH] Program variables -objects = conference.o io.o iq.o jabber.o jabber_util.o message.o presence.o sasl.o +objects = conference.o io.o iq.o jabber.o jabber_util.o message.o presence.o s5bytestream.o sasl.o si.o CFLAGS += -Wall LFLAGS += -r diff --git a/protocols/jabber/iq.c b/protocols/jabber/iq.c index 1b76a761..bdedeb08 100644 --- a/protocols/jabber/iq.c +++ b/protocols/jabber/iq.c @@ -90,14 +90,17 @@ xt_status jabber_pkt_iq( struct xt_node *node, gpointer data ) xt_add_attr( reply, "id", s ); pack = 0; } - else if( strcmp( s, XMLNS_DISCOVER ) == 0 ) + else if( strcmp( s, XMLNS_DISCO_INFO ) == 0 ) { - const char *features[] = { XMLNS_DISCOVER, + const char *features[] = { XMLNS_DISCO_INFO, XMLNS_VERSION, XMLNS_TIME, XMLNS_CHATSTATES, XMLNS_MUC, XMLNS_PING, + XMLNS_SI, + XMLNS_BYTESTREAMS, + XMLNS_FILETRANSFER, NULL }; const char **f; @@ -117,24 +120,29 @@ xt_status jabber_pkt_iq( struct xt_node *node, gpointer data ) else { xt_free_node( reply ); - reply = jabber_make_error_packet( node, "feature-not-implemented", "cancel" ); + reply = jabber_make_error_packet( node, "feature-not-implemented", "cancel", NULL ); pack = 0; } } else if( strcmp( type, "set" ) == 0 ) { - if( !( c = xt_find_node( node->children, "query" ) ) || - !( s = xt_find_attr( c, "xmlns" ) ) ) + if( ( c = xt_find_node( node->children, "si" ) ) && + ( s = xt_find_attr( c, "xmlns" ) ) && + ( strcmp( s, XMLNS_SI ) == 0 ) ) + { + return jabber_si_handle_request( ic, node, c ); + } + else if( !( c = xt_find_node( node->children, "query" ) ) || + !( s = xt_find_attr( c, "xmlns" ) ) ) { imcb_log( ic, "Warning: Received incomplete IQ-%s packet", type ); return XT_HANDLED; } - + else if( strcmp( s, XMLNS_ROSTER ) == 0 ) + { /* This is a roster push. XMPP servers send this when someone was added to (or removed from) the buddy list. AFAIK they're sent even if we added this buddy in our own session. */ - if( strcmp( s, XMLNS_ROSTER ) == 0 ) - { int bare_len = strlen( ic->acc->user ); if( ( s = xt_find_attr( node, "from" ) ) == NULL || @@ -151,14 +159,19 @@ xt_status jabber_pkt_iq( struct xt_node *node, gpointer data ) imcb_log( ic, "Warning: %s tried to fake a roster push!", s ? s : "(unknown)" ); xt_free_node( reply ); - reply = jabber_make_error_packet( node, "not-allowed", "cancel" ); + reply = jabber_make_error_packet( node, "not-allowed", "cancel", NULL ); pack = 0; } } + else if( strcmp( s, XMLNS_BYTESTREAMS ) == 0 ) + { + /* Bytestream Request (stage 2 of file transfer) */ + return jabber_bs_recv_request( ic, node, c ); + } else { xt_free_node( reply ); - reply = jabber_make_error_packet( node, "feature-not-implemented", "cancel" ); + reply = jabber_make_error_packet( node, "feature-not-implemented", "cancel", NULL ); pack = 0; } } @@ -378,7 +391,7 @@ static xt_status jabber_parse_roster( struct im_connection *ic, struct xt_node * { if( ( strcmp( sub, "both" ) == 0 || strcmp( sub, "to" ) == 0 ) ) { - if( initial || imcb_find_buddy( ic, jid ) == NULL ) + if( initial || bee_user_by_handle( ic->bee, ic, jid ) == NULL ) imcb_add_buddy( ic, jid, ( group && group->text_len ) ? group->text : NULL ); @@ -576,7 +589,7 @@ static xt_status jabber_add_to_roster_callback( struct im_connection *ic, struct ( s = xt_find_attr( node, "type" ) ) && strcmp( s, "result" ) == 0 ) { - if( imcb_find_buddy( ic, jid ) == NULL ) + if( bee_user_by_handle( ic->bee, ic, jid ) == NULL ) imcb_add_buddy( ic, jid, NULL ); } else @@ -608,3 +621,175 @@ int jabber_remove_from_roster( struct im_connection *ic, char *handle ) xt_free_node( node ); return st; } + +xt_status jabber_iq_parse_features( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ); + +xt_status jabber_iq_query_features( struct im_connection *ic, char *bare_jid ) +{ + struct xt_node *node, *query; + struct jabber_buddy *bud; + + if( ( bud = jabber_buddy_by_jid( ic, bare_jid , 0 ) ) == NULL ) + { + /* Who cares about the unknown... */ + imcb_log( ic, "Couldn't find buddy: %s", bare_jid); + return XT_HANDLED; + } + + if( bud->features ) /* been here already */ + return XT_HANDLED; + + node = xt_new_node( "query", NULL, NULL ); + xt_add_attr( node, "xmlns", XMLNS_DISCO_INFO ); + + if( !( query = jabber_make_packet( "iq", "get", bare_jid, node ) ) ) + { + imcb_log( ic, "WARNING: Couldn't generate feature query" ); + xt_free_node( node ); + return XT_HANDLED; + } + + jabber_cache_add( ic, query, jabber_iq_parse_features ); + + return jabber_write_packet( ic, query ) ? XT_HANDLED : XT_ABORT; +} + +xt_status jabber_iq_parse_features( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) +{ + struct xt_node *c; + struct jabber_buddy *bud; + char *feature, *xmlns, *from; + + if( !( from = xt_find_attr( node, "from" ) ) || + !( c = xt_find_node( node->children, "query" ) ) || + !( xmlns = xt_find_attr( c, "xmlns" ) ) || + !( strcmp( xmlns, XMLNS_DISCO_INFO ) == 0 ) ) + { + imcb_log( ic, "WARNING: Received incomplete IQ-result packet for discover" ); + return XT_HANDLED; + } + if( ( bud = jabber_buddy_by_jid( ic, from, 0 ) ) == NULL ) + { + /* Who cares about the unknown... */ + imcb_log( ic, "Couldn't find buddy: %s", from ); + return XT_HANDLED; + } + + c = c->children; + while( ( c = xt_find_node( c, "feature" ) ) ) + { + feature = xt_find_attr( c, "var" ); + if( feature ) + bud->features = g_slist_append( bud->features, g_strdup( feature ) ); + c = c->next; + } + + return XT_HANDLED; +} + +xt_status jabber_iq_parse_server_features( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ); + +xt_status jabber_iq_query_server( struct im_connection *ic, char *jid, char *xmlns ) +{ + struct xt_node *node, *query; + struct jabber_data *jd = ic->proto_data; + + node = xt_new_node( "query", NULL, NULL ); + xt_add_attr( node, "xmlns", xmlns ); + + if( !( query = jabber_make_packet( "iq", "get", jid, node ) ) ) + { + imcb_log( ic, "WARNING: Couldn't generate server query" ); + xt_free_node( node ); + } + + jd->have_streamhosts--; + jabber_cache_add( ic, query, jabber_iq_parse_server_features ); + + return jabber_write_packet( ic, query ) ? XT_HANDLED : XT_ABORT; +} + +/* + * Query the server for "items", query each "item" for identities, query each "item" that's a proxy for it's bytestream info + */ +xt_status jabber_iq_parse_server_features( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) +{ + struct xt_node *c; + struct jabber_data *jd = ic->proto_data; + char *xmlns, *from; + + if( !( c = xt_find_node( node->children, "query" ) ) || + !( from = xt_find_attr( node, "from" ) ) || + !( xmlns = xt_find_attr( c, "xmlns" ) ) ) + { + imcb_log( ic, "WARNING: Received incomplete IQ-result packet for discover" ); + return XT_HANDLED; + } + + jd->have_streamhosts++; + + if( strcmp( xmlns, XMLNS_DISCO_ITEMS ) == 0 ) + { + char *itemjid; + + /* answer from server */ + + c = c->children; + while( ( c = xt_find_node( c, "item" ) ) ) + { + itemjid = xt_find_attr( c, "jid" ); + + if( itemjid ) + jabber_iq_query_server( ic, itemjid, XMLNS_DISCO_INFO ); + + c = c->next; + } + } + else if( strcmp( xmlns, XMLNS_DISCO_INFO ) == 0 ) + { + char *category, *type; + + /* answer from potential proxy */ + + c = c->children; + while( ( c = xt_find_node( c, "identity" ) ) ) + { + category = xt_find_attr( c, "category" ); + type = xt_find_attr( c, "type" ); + + if( type && ( strcmp( type, "bytestreams" ) == 0 ) && + category && ( strcmp( category, "proxy" ) == 0 ) ) + jabber_iq_query_server( ic, from, XMLNS_BYTESTREAMS ); + + c = c->next; + } + } + else if( strcmp( xmlns, XMLNS_BYTESTREAMS ) == 0 ) + { + char *host, *jid, *port_s; + int port; + + /* answer from proxy */ + + if( ( c = xt_find_node( c->children, "streamhost" ) ) && + ( host = xt_find_attr( c, "host" ) ) && + ( port_s = xt_find_attr( c, "port" ) ) && + ( sscanf( port_s, "%d", &port ) == 1 ) && + ( jid = xt_find_attr( c, "jid" ) ) ) + { + jabber_streamhost_t *sh = g_new0( jabber_streamhost_t, 1 ); + + sh->jid = g_strdup( jid ); + sh->host = g_strdup( host ); + g_snprintf( sh->port, sizeof( sh->port ), "%u", port ); + + imcb_log( ic, "Proxy found: jid %s host %s port %u", jid, host, port ); + jd->streamhosts = g_slist_append( jd->streamhosts, sh ); + } + } + + if( jd->have_streamhosts == 0 ) + jd->have_streamhosts++; + + return XT_HANDLED; +} diff --git a/protocols/jabber/jabber.c b/protocols/jabber/jabber.c index 86320ada..acad525e 100644 --- a/protocols/jabber/jabber.c +++ b/protocols/jabber/jabber.c @@ -64,6 +64,8 @@ static void jabber_init( account_t *acc ) s->flags |= ACC_SET_OFFLINE_ONLY; s = set_add( &acc->set, "priority", "0", set_eval_priority, acc ); + + s = set_add( &acc->set, "proxy", "<local>;<auto>", NULL, acc ); s = set_add( &acc->set, "resource", "BitlBee", NULL, acc ); s->flags |= ACC_SET_OFFLINE_ONLY; @@ -263,6 +265,18 @@ static void jabber_logout( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; + while( jd->filetransfers ) + imcb_file_canceled( ic, ( ( struct jabber_transfer *) jd->filetransfers->data )->ft, "Logging out" ); + + while( jd->streamhosts ) + { + jabber_streamhost_t *sh = jd->streamhosts->data; + jd->streamhosts = g_slist_remove( jd->streamhosts, sh ); + g_free( sh->jid ); + g_free( sh->host ); + g_free( sh ); + } + if( jd->fd >= 0 ) jabber_end_stream( ic ); @@ -543,6 +557,7 @@ void jabber_initmodule() ret->keepalive = jabber_keepalive; ret->send_typing = jabber_send_typing; ret->handle_cmp = g_strcasecmp; + ret->transfer_request = jabber_si_transfer_request; register_protocol( ret ); } diff --git a/protocols/jabber/jabber.h b/protocols/jabber/jabber.h index 40cf3957..5be7978b 100644 --- a/protocols/jabber/jabber.h +++ b/protocols/jabber/jabber.h @@ -60,6 +60,14 @@ typedef enum have a real JID. */ } jabber_buddy_flags_t; +/* Stores a streamhost's (a.k.a. proxy) data */ +typedef struct +{ + char *jid; + char *host; + char port[6]; +} jabber_streamhost_t; + typedef enum { JCFLAG_MESSAGE_SENT = 1, /* Set this after sending the first message, so @@ -90,6 +98,10 @@ struct jabber_data md5_state_t cached_id_prefix; GHashTable *node_cache; GHashTable *buddies; + + GSList *filetransfers; + GSList *streamhosts; + int have_streamhosts; }; struct jabber_away_state @@ -126,6 +138,7 @@ struct jabber_buddy int priority; struct jabber_away_state *away_state; char *away_message; + GSList *features; time_t last_msg; jabber_buddy_flags_t flags; @@ -141,6 +154,36 @@ struct jabber_chat struct jabber_buddy *me; }; +struct jabber_transfer +{ + /* bitlbee's handle for this transfer */ + file_transfer_t *ft; + + /* the stream's private handle */ + gpointer streamhandle; + + /* timeout for discover queries */ + gint disco_timeout; + gint disco_timeout_fired; + + struct im_connection *ic; + + struct jabber_buddy *bud; + + int watch_in; + int watch_out; + + char *ini_jid; + char *tgt_jid; + char *iq_id; + char *sid; + int accepted; + + size_t bytesread, byteswritten; + int fd; + struct sockaddr_storage saddr; +}; + #define JABBER_XMLCONSOLE_HANDLE "xmlconsole" /* Prefixes to use for packet IDs (mainly for IQ packets ATM). Usually the @@ -166,17 +209,24 @@ struct jabber_chat #define XMLNS_ROSTER "jabber:iq:roster" /* Some supported extensions/legacy stuff */ -#define XMLNS_AUTH "jabber:iq:auth" /* XEP-0078 */ -#define XMLNS_VERSION "jabber:iq:version" /* XEP-0092 */ -#define XMLNS_TIME "jabber:iq:time" /* XEP-0090 */ -#define XMLNS_PING "urn:xmpp:ping" /* XEP-0199 */ -#define XMLNS_VCARD "vcard-temp" /* XEP-0054 */ -#define XMLNS_DELAY "jabber:x:delay" /* XEP-0091 */ -#define XMLNS_CHATSTATES "http://jabber.org/protocol/chatstates" /* 0085 */ -#define XMLNS_DISCOVER "http://jabber.org/protocol/disco#info" /* 0030 */ -#define XMLNS_MUC "http://jabber.org/protocol/muc" /* XEP-0045 */ -#define XMLNS_MUC_USER "http://jabber.org/protocol/muc#user"/* XEP-0045 */ -#define XMLNS_CAPS "http://jabber.org/protocol/caps" /* XEP-0115 */ +#define XMLNS_AUTH "jabber:iq:auth" /* XEP-0078 */ +#define XMLNS_VERSION "jabber:iq:version" /* XEP-0092 */ +#define XMLNS_TIME "jabber:iq:time" /* XEP-0090 */ +#define XMLNS_PING "urn:xmpp:ping" /* XEP-0199 */ +#define XMLNS_VCARD "vcard-temp" /* XEP-0054 */ +#define XMLNS_DELAY "jabber:x:delay" /* XEP-0091 */ +#define XMLNS_XDATA "jabber:x:data" /* XEP-0004 */ +#define XMLNS_CHATSTATES "http://jabber.org/protocol/chatstates" /* XEP-0085 */ +#define XMLNS_DISCO_INFO "http://jabber.org/protocol/disco#info" /* XEP-0030 */ +#define XMLNS_DISCO_ITEMS "http://jabber.org/protocol/disco#items" /* XEP-0030 */ +#define XMLNS_MUC "http://jabber.org/protocol/muc" /* XEP-0045 */ +#define XMLNS_MUC_USER "http://jabber.org/protocol/muc#user" /* XEP-0045 */ +#define XMLNS_CAPS "http://jabber.org/protocol/caps" /* XEP-0115 */ +#define XMLNS_FEATURE "http://jabber.org/protocol/feature-neg" /* XEP-0020 */ +#define XMLNS_SI "http://jabber.org/protocol/si" /* XEP-0095 */ +#define XMLNS_FILETRANSFER "http://jabber.org/protocol/si/profile/file-transfer" /* XEP-0096 */ +#define XMLNS_BYTESTREAMS "http://jabber.org/protocol/bytestreams" /* XEP-0065 */ +#define XMLNS_IBB "http://jabber.org/protocol/ibb" /* XEP-0047 */ /* iq.c */ xt_status jabber_pkt_iq( struct xt_node *node, gpointer data ); @@ -186,6 +236,18 @@ int jabber_get_roster( struct im_connection *ic ); int jabber_get_vcard( struct im_connection *ic, char *bare_jid ); int jabber_add_to_roster( struct im_connection *ic, char *handle, char *name ); int jabber_remove_from_roster( struct im_connection *ic, char *handle ); +xt_status jabber_iq_query_features( struct im_connection *ic, char *bare_jid ); +xt_status jabber_iq_query_server( struct im_connection *ic, char *jid, char *xmlns ); + +/* si.c */ +int jabber_si_handle_request( struct im_connection *ic, struct xt_node *node, struct xt_node *sinode ); +void jabber_si_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *who ); +void jabber_si_free_transfer( file_transfer_t *ft); + +/* s5bytestream.c */ +int jabber_bs_recv_request( struct im_connection *ic, struct xt_node *node, struct xt_node *qnode); +gboolean jabber_bs_send_start( struct jabber_transfer *tf ); +gboolean jabber_bs_send_write( file_transfer_t *ft, char *buffer, unsigned int len ); /* message.c */ xt_status jabber_pkt_message( struct xt_node *node, gpointer data ); @@ -199,7 +261,7 @@ int presence_send_request( struct im_connection *ic, char *handle, char *request char *set_eval_priority( set_t *set, char *value ); char *set_eval_tls( set_t *set, char *value ); struct xt_node *jabber_make_packet( char *name, char *type, char *to, struct xt_node *children ); -struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type ); +struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type, char *err_code ); void jabber_cache_add( struct im_connection *ic, struct xt_node *node, jabber_cache_event func ); struct xt_node *jabber_cache_get( struct im_connection *ic, char *id ); void jabber_cache_entry_free( gpointer entry ); diff --git a/protocols/jabber/jabber_util.c b/protocols/jabber/jabber_util.c index b8b625f7..608cb52a 100644 --- a/protocols/jabber/jabber_util.c +++ b/protocols/jabber/jabber_util.c @@ -98,7 +98,7 @@ struct xt_node *jabber_make_packet( char *name, char *type, char *to, struct xt_ return node; } -struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type ) +struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, char *err_type, char *err_code ) { struct xt_node *node, *c; char *to; @@ -111,6 +111,10 @@ struct xt_node *jabber_make_error_packet( struct xt_node *orig, char *err_cond, c = xt_new_node( "error", NULL, c ); xt_add_attr( c, "type", err_type ); + /* Add the error code, if present */ + if (err_code) + xt_add_attr( c, "code", err_code ); + /* To make the actual error packet, we copy the original packet and add our <error>/type="error" tag. Including the original packet is recommended, so let's just do it. */ @@ -274,8 +278,7 @@ static void jabber_buddy_ask_yes( void *data ) presence_send_request( bla->ic, bla->handle, "subscribed" ); - if( imcb_find_buddy( bla->ic, bla->handle ) == NULL ) - imcb_ask_add( bla->ic, bla->handle, NULL ); + imcb_ask_add( bla->ic, bla->handle, NULL ); g_free( bla->handle ); g_free( bla ); @@ -457,7 +460,7 @@ struct jabber_buddy *jabber_buddy_by_jid( struct im_connection *ic, char *jid_, } if( bud == NULL && ( flags & GET_BUDDY_CREAT ) && - ( bare_exists || imcb_find_buddy( ic, jid ) ) ) + ( bare_exists || bee_user_by_handle( ic->bee, ic, jid ) ) ) { *s = '/'; bud = jabber_buddy_add( ic, jid ); @@ -478,7 +481,8 @@ struct jabber_buddy *jabber_buddy_by_jid( struct im_connection *ic, char *jid_, if( bud == NULL ) /* No match. Create it now? */ - return ( ( flags & GET_BUDDY_CREAT ) && imcb_find_buddy( ic, jid_ ) ) ? + return ( ( flags & GET_BUDDY_CREAT ) && + bee_user_by_handle( ic->bee, ic, jid_ ) ) ? jabber_buddy_add( ic, jid_ ) : NULL; else if( bud->resource && ( flags & GET_BUDDY_EXACT ) ) /* We want an exact match, so in thise case there shouldn't be a /resource. */ diff --git a/protocols/jabber/s5bytestream.c b/protocols/jabber/s5bytestream.c new file mode 100644 index 00000000..7d993529 --- /dev/null +++ b/protocols/jabber/s5bytestream.c @@ -0,0 +1,1154 @@ +/***************************************************************************\ +* * +* BitlBee - An IRC to IM gateway * +* Jabber module - SOCKS5 Bytestreams ( XEP-0065 ) * +* * +* Copyright 2007 Uli Meis <a.sporto+bee@gmail.com> * +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +* This program is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU General Public License for more details. * +* * +* You should have received a copy of the GNU General Public License along * +* with this program; if not, write to the Free Software Foundation, Inc., * +* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * +* * +\***************************************************************************/ + +#include "jabber.h" +#include "sha1.h" +#include "lib/ftutil.h" +#include <poll.h> + +struct bs_transfer { + + struct jabber_transfer *tf; + + jabber_streamhost_t *sh; + GSList *streamhosts; + + enum + { + BS_PHASE_CONNECT, + BS_PHASE_CONNECTED, + BS_PHASE_REQUEST, + BS_PHASE_REPLY + } phase; + + /* SHA1( SID + Initiator JID + Target JID) */ + char *pseudoadr; + + gint connect_timeout; + + char peek_buf[64]; + int peek_buf_len; +}; + +struct socks5_message +{ + unsigned char ver; + union + { + unsigned char cmd; + unsigned char rep; + } cmdrep; + unsigned char rsv; + unsigned char atyp; + unsigned char addrlen; + unsigned char address[40]; + in_port_t port; +} __attribute__ ((packed)); + +char *socks5_reply_code[] = { + "succeeded", + "general SOCKS server failure", + "connection not allowed by ruleset", + "Network unreachable", + "Host unreachable", + "Connection refused", + "TTL expired", + "Command not supported", + "Address type not supported", + "unassigned"}; + +/* connect() timeout in seconds. */ +#define JABBER_BS_CONTIMEOUT 15 +/* listen timeout */ +#define JABBER_BS_LISTEN_TIMEOUT 90 + +/* very useful */ +#define ASSERTSOCKOP(op, msg) \ + if( (op) == -1 ) \ + return jabber_bs_abort( bt , msg ": %s", strerror( errno ) ); + +gboolean jabber_bs_abort( struct bs_transfer *bt, char *format, ... ); +void jabber_bs_canceled( file_transfer_t *ft , char *reason ); +void jabber_bs_free_transfer( file_transfer_t *ft ); +gboolean jabber_bs_connect_timeout( gpointer data, gint fd, b_input_condition cond ); +gboolean jabber_bs_poll( struct bs_transfer *bt, int fd, short *revents ); +gboolean jabber_bs_peek( struct bs_transfer *bt, void *buffer, int buflen ); + +void jabber_bs_recv_answer_request( struct bs_transfer *bt ); +gboolean jabber_bs_recv_read( gpointer data, gint fd, b_input_condition cond ); +gboolean jabber_bs_recv_write_request( file_transfer_t *ft ); +gboolean jabber_bs_recv_handshake( gpointer data, gint fd, b_input_condition cond ); +gboolean jabber_bs_recv_handshake_abort( struct bs_transfer *bt, char *error ); +int jabber_bs_recv_request( struct im_connection *ic, struct xt_node *node, struct xt_node *qnode ); + +gboolean jabber_bs_send_handshake_abort( struct bs_transfer *bt, char *error ); +gboolean jabber_bs_send_request( struct jabber_transfer *tf, GSList *streamhosts ); +gboolean jabber_bs_send_handshake( gpointer data, gint fd, b_input_condition cond ); +static xt_status jabber_bs_send_handle_activate( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ); +void jabber_bs_send_activate( struct bs_transfer *bt ); + +/* + * Frees a bs_transfer struct and calls the SI free function + */ +void jabber_bs_free_transfer( file_transfer_t *ft) { + struct jabber_transfer *tf = ft->data; + struct bs_transfer *bt = tf->streamhandle; + jabber_streamhost_t *sh; + + if ( bt->connect_timeout ) + { + b_event_remove( bt->connect_timeout ); + bt->connect_timeout = 0; + } + + if ( tf->watch_in ) + b_event_remove( tf->watch_in ); + + if( tf->watch_out ) + b_event_remove( tf->watch_out ); + + g_free( bt->pseudoadr ); + + while( bt->streamhosts ) + { + sh = bt->streamhosts->data; + bt->streamhosts = g_slist_remove( bt->streamhosts, sh ); + g_free( sh->jid ); + g_free( sh->host ); + g_free( sh ); + } + + g_free( bt ); + + jabber_si_free_transfer( ft ); +} + +/* + * Checks if buflen data is available on the socket and + * writes it to buffer if that's the case. + */ +gboolean jabber_bs_peek( struct bs_transfer *bt, void *buffer, int buflen ) +{ + int ret; + int fd = bt->tf->fd; + + if( buflen > sizeof( bt->peek_buf ) ) + return jabber_bs_abort( bt, "BUG: %d > sizeof(peek_buf)", buflen ); + + ASSERTSOCKOP( ret = recv( fd, bt->peek_buf + bt->peek_buf_len, + buflen - bt->peek_buf_len, 0 ), "recv() on SOCKS5 connection" ); + + if( ret == 0 ) + return jabber_bs_abort( bt, "Remote end closed connection" ); + + bt->peek_buf_len += ret; + memcpy( buffer, bt->peek_buf, bt->peek_buf_len ); + + if( bt->peek_buf_len == buflen ) + { + /* If we have everything the caller wanted, reset the peek buffer. */ + bt->peek_buf_len = 0; + return buflen; + } + else + return bt->peek_buf_len; +} + + +/* + * This function is scheduled in bs_handshake via b_timeout_add after a (non-blocking) connect(). + */ +gboolean jabber_bs_connect_timeout( gpointer data, gint fd, b_input_condition cond ) +{ + struct bs_transfer *bt = data; + + bt->connect_timeout = 0; + + jabber_bs_abort( bt, "no connection after %d seconds", bt->tf->ft->sending ? JABBER_BS_LISTEN_TIMEOUT : JABBER_BS_CONTIMEOUT ); + + return FALSE; +} + +/* + * Polls the socket, checks for errors and removes a connect timer + * if there is one. + */ +gboolean jabber_bs_poll( struct bs_transfer *bt, int fd, short *revents ) +{ + struct pollfd pfd = { .fd = fd, .events = POLLHUP|POLLERR }; + + if ( bt->connect_timeout ) + { + b_event_remove( bt->connect_timeout ); + bt->connect_timeout = 0; + } + + ASSERTSOCKOP( poll( &pfd, 1, 0 ), "poll()" ) + + if( pfd.revents & POLLERR ) + { + int sockerror; + socklen_t errlen = sizeof( sockerror ); + + if ( getsockopt( fd, SOL_SOCKET, SO_ERROR, &sockerror, &errlen ) ) + return jabber_bs_abort( bt, "getsockopt() failed, unknown socket error during SOCKS5 handshake (weird!)" ); + + if ( bt->phase == BS_PHASE_CONNECTED ) + return jabber_bs_abort( bt, "connect failed: %s", strerror( sockerror ) ); + + return jabber_bs_abort( bt, "Socket error during SOCKS5 handshake(weird!): %s", strerror( sockerror ) ); + } + + if( pfd.revents & POLLHUP ) + return jabber_bs_abort( bt, "Remote end closed connection" ); + + *revents = pfd.revents; + + return TRUE; +} + +/* + * Used for receive and send path. + */ +gboolean jabber_bs_abort( struct bs_transfer *bt, char *format, ... ) +{ + va_list params; + va_start( params, format ); + char error[128]; + + if( vsnprintf( error, 128, format, params ) < 0 ) + sprintf( error, "internal error parsing error string (BUG)" ); + va_end( params ); + if( bt->tf->ft->sending ) + return jabber_bs_send_handshake_abort( bt, error ); + else + return jabber_bs_recv_handshake_abort( bt, error ); +} + +/* Bad luck */ +void jabber_bs_canceled( file_transfer_t *ft , char *reason ) +{ + struct jabber_transfer *tf = ft->data; + + imcb_log( tf->ic, "File transfer aborted: %s", reason ); +} + +/* + * Parses an incoming bytestream request and calls jabber_bs_handshake on success. + */ +int jabber_bs_recv_request( struct im_connection *ic, struct xt_node *node, struct xt_node *qnode) +{ + char *sid, *ini_jid, *tgt_jid, *mode, *iq_id; + struct jabber_data *jd = ic->proto_data; + struct jabber_transfer *tf = NULL; + GSList *tflist; + struct bs_transfer *bt; + GSList *shlist=NULL; + struct xt_node *shnode; + + sha1_state_t sha; + char hash_hex[41]; + unsigned char hash[20]; + int i; + + if( !(iq_id = xt_find_attr( node, "id" ) ) || + !(ini_jid = xt_find_attr( node, "from" ) ) || + !(tgt_jid = xt_find_attr( node, "to" ) ) || + !(sid = xt_find_attr( qnode, "sid" ) ) ) + { + imcb_log( ic, "WARNING: Received incomplete SI bytestream request"); + return XT_HANDLED; + } + + if( ( mode = xt_find_attr( qnode, "mode" ) ) && + ( strcmp( mode, "tcp" ) != 0 ) ) + { + imcb_log( ic, "WARNING: Received SI Request for unsupported bytestream mode %s", xt_find_attr( qnode, "mode" ) ); + return XT_HANDLED; + } + + shnode = qnode->children; + while( ( shnode = xt_find_node( shnode, "streamhost" ) ) ) + { + char *jid, *host, *port_s; + int port; + if( ( jid = xt_find_attr( shnode, "jid" ) ) && + ( host = xt_find_attr( shnode, "host" ) ) && + ( port_s = xt_find_attr( shnode, "port" ) ) && + ( sscanf( port_s, "%d", &port ) == 1 ) ) + { + jabber_streamhost_t *sh = g_new0( jabber_streamhost_t, 1 ); + sh->jid = g_strdup(jid); + sh->host = g_strdup(host); + sprintf( sh->port, "%u", port ); + shlist = g_slist_append( shlist, sh ); + } + shnode = shnode->next; + } + + if( !shlist ) + { + imcb_log( ic, "WARNING: Received incomplete SI bytestream request, no parseable streamhost entries"); + return XT_HANDLED; + } + + /* Let's see if we can find out what this bytestream should be for... */ + + for( tflist = jd->filetransfers ; tflist; tflist = g_slist_next(tflist) ) + { + struct jabber_transfer *tft = tflist->data; + if( ( strcmp( tft->sid, sid ) == 0 ) && + ( strcmp( tft->ini_jid, ini_jid ) == 0 ) && + ( strcmp( tft->tgt_jid, tgt_jid ) == 0 ) ) + { + tf = tft; + break; + } + } + + if (!tf) + { + imcb_log( ic, "WARNING: Received bytestream request from %s that doesn't match an SI request", ini_jid ); + return XT_HANDLED; + } + + /* iq_id and canceled can be reused since SI is done */ + g_free( tf->iq_id ); + tf->iq_id = g_strdup( iq_id ); + + tf->ft->canceled = jabber_bs_canceled; + + /* SHA1( SID + Initiator JID + Target JID ) is given to the streamhost which it will match against the initiator's value */ + sha1_init( &sha ); + sha1_append( &sha, (unsigned char*) sid, strlen( sid ) ); + sha1_append( &sha, (unsigned char*) ini_jid, strlen( ini_jid ) ); + sha1_append( &sha, (unsigned char*) tgt_jid, strlen( tgt_jid ) ); + sha1_finish( &sha, hash ); + + for( i = 0; i < 20; i ++ ) + sprintf( hash_hex + i * 2, "%02x", hash[i] ); + + bt = g_new0( struct bs_transfer, 1 ); + bt->tf = tf; + bt->streamhosts = shlist; + bt->sh = shlist->data; + bt->phase = BS_PHASE_CONNECT; + bt->pseudoadr = g_strdup( hash_hex ); + tf->streamhandle = bt; + tf->ft->free = jabber_bs_free_transfer; + + jabber_bs_recv_handshake( bt, -1, 0 ); + + return XT_HANDLED; +} + +/* + * This is what a protocol handshake can look like in cooperative multitasking :) + * Might be confusing at first because it's called from different places and is recursing. + * (places being the event thread, bs_request, bs_handshake_abort, and itself) + * + * All in all, it turned out quite nice :) + */ +gboolean jabber_bs_recv_handshake( gpointer data, gint fd, b_input_condition cond ) +{ + + struct bs_transfer *bt = data; + short revents; + int gret; + + if ( ( fd != -1 ) && !jabber_bs_poll( bt, fd, &revents ) ) + return FALSE; + + switch( bt->phase ) + { + case BS_PHASE_CONNECT: + { + struct addrinfo hints, *rp; + + memset( &hints, 0, sizeof( struct addrinfo ) ); + hints.ai_socktype = SOCK_STREAM; + + if ( ( gret = getaddrinfo( bt->sh->host, bt->sh->port, &hints, &rp ) ) != 0 ) + return jabber_bs_abort( bt, "getaddrinfo() failed: %s", gai_strerror( gret ) ); + + ASSERTSOCKOP( bt->tf->fd = fd = socket( rp->ai_family, rp->ai_socktype, 0 ), "Opening socket" ); + + sock_make_nonblocking( fd ); + + imcb_log( bt->tf->ic, "File %s: Connecting to streamhost %s:%s", bt->tf->ft->file_name, bt->sh->host, bt->sh->port ); + + if( ( connect( fd, rp->ai_addr, rp->ai_addrlen ) == -1 ) && + ( errno != EINPROGRESS ) ) + return jabber_bs_abort( bt , "connect() failed: %s", strerror( errno ) ); + + freeaddrinfo( rp ); + + bt->phase = BS_PHASE_CONNECTED; + + bt->tf->watch_out = b_input_add( fd, GAIM_INPUT_WRITE, jabber_bs_recv_handshake, bt ); + + /* since it takes forever(3mins?) till connect() fails on itself we schedule a timeout */ + bt->connect_timeout = b_timeout_add( JABBER_BS_CONTIMEOUT * 1000, jabber_bs_connect_timeout, bt ); + + bt->tf->watch_in = 0; + return FALSE; + } + case BS_PHASE_CONNECTED: + { + struct { + unsigned char ver; + unsigned char nmethods; + unsigned char method; + } socks5_hello = { + .ver = 5, + .nmethods = 1, + .method = 0x00 /* no auth */ + /* one could also implement username/password. If you know + * a jabber client or proxy that actually does it, tell me. + */ + }; + + ASSERTSOCKOP( send( fd, &socks5_hello, sizeof( socks5_hello ) , 0 ), "Sending auth request" ); + + bt->phase = BS_PHASE_REQUEST; + + bt->tf->watch_in = b_input_add( fd, GAIM_INPUT_READ, jabber_bs_recv_handshake, bt ); + + bt->tf->watch_out = 0; + return FALSE; + } + case BS_PHASE_REQUEST: + { + struct socks5_message socks5_connect = + { + .ver = 5, + .cmdrep.cmd = 0x01, + .rsv = 0, + .atyp = 0x03, + .addrlen = strlen( bt->pseudoadr ), + .port = 0 + }; + int ret; + char buf[2]; + + /* If someone's trying to be funny and sends only one byte at a time we'll fail :) */ + ASSERTSOCKOP( ret = recv( fd, buf, 2, 0 ) , "Receiving auth reply" ); + + if( !( ret == 2 ) || + !( buf[0] == 5 ) || + !( buf[1] == 0 ) ) + return jabber_bs_abort( bt, "Auth not accepted by streamhost (reply: len=%d, ver=%d, status=%d)", + ret, buf[0], buf[1] ); + + /* copy hash into connect message */ + memcpy( socks5_connect.address, bt->pseudoadr, socks5_connect.addrlen ); + + ASSERTSOCKOP( send( fd, &socks5_connect, sizeof( struct socks5_message ), 0 ) , "Sending SOCKS5 Connect" ); + + bt->phase = BS_PHASE_REPLY; + + return TRUE; + } + case BS_PHASE_REPLY: + { + struct socks5_message socks5_reply; + int ret; + + if ( !( ret = jabber_bs_peek( bt, &socks5_reply, sizeof( struct socks5_message ) ) ) ) + return FALSE; + + if ( ret < 5 ) /* header up to address length */ + return TRUE; + else if( ret < sizeof( struct socks5_message ) ) + { + /* Either a buggy proxy or just one that doesnt regard + * the SHOULD in XEP-0065 saying the reply SHOULD + * contain the address. We'll take it, so make sure the + * next jabber_bs_peek starts with an empty buffer. */ + bt->peek_buf_len = 0; + } + + if( !( socks5_reply.ver == 5 ) || + !( socks5_reply.cmdrep.rep == 0 ) ) { + char errstr[128] = ""; + if( ( socks5_reply.ver == 5 ) && ( socks5_reply.cmdrep.rep < + ( sizeof( socks5_reply_code ) / sizeof( socks5_reply_code[0] ) ) ) ) { + sprintf( errstr, "with \"%s\" ", socks5_reply_code[ socks5_reply.cmdrep.rep ] ); + } + return jabber_bs_abort( bt, "SOCKS5 CONNECT failed %s(reply: ver=%d, rep=%d, atyp=%d, addrlen=%d)", + errstr, + socks5_reply.ver, + socks5_reply.cmdrep.rep, + socks5_reply.atyp, + socks5_reply.addrlen); + } + + /* usually a proxy sends back the 40 bytes address but I encountered at least one (of jabber.cz) + * that sends atyp=0 addrlen=0 and only 6 bytes (one less than one would expect). + * Therefore I removed the wait for more bytes. Since we don't care about what else the proxy + * is sending, it shouldnt matter */ + + if( bt->tf->ft->sending ) + jabber_bs_send_activate( bt ); + else + jabber_bs_recv_answer_request( bt ); + + return FALSE; + } + default: + /* BUG */ + imcb_log( bt->tf->ic, "BUG in file transfer code: undefined handshake phase" ); + + bt->tf->watch_in = 0; + return FALSE; + } +} + +/* + * If the handshake failed we can try the next streamhost, if there is one. + * An intelligent sender would probably specify himself as the first streamhost and + * a proxy as the second (Kopete and PSI are examples here). That way, a (potentially) + * slow proxy is only used if neccessary. This of course also means, that the timeout + * per streamhost should be kept short. If one or two firewalled adresses are specified, + * they have to timeout first before a proxy is tried. + */ +gboolean jabber_bs_recv_handshake_abort( struct bs_transfer *bt, char *error ) +{ + struct jabber_transfer *tf = bt->tf; + struct xt_node *reply, *iqnode; + GSList *shlist; + + imcb_log( tf->ic, "Transferring file %s: connection to streamhost %s:%s failed (%s)", + tf->ft->file_name, + bt->sh->host, + bt->sh->port, + error ); + + /* Alright, this streamhost failed, let's try the next... */ + bt->phase = BS_PHASE_CONNECT; + shlist = g_slist_find( bt->streamhosts, bt->sh ); + if( shlist && shlist->next ) + { + bt->sh = shlist->next->data; + return jabber_bs_recv_handshake( bt, -1, 0 ); + } + + + /* out of stream hosts */ + + iqnode = jabber_make_packet( "iq", "result", tf->ini_jid, NULL ); + reply = jabber_make_error_packet( iqnode, "item-not-found", "cancel" , "404" ); + xt_free_node( iqnode ); + + xt_add_attr( reply, "id", tf->iq_id ); + + if( !jabber_write_packet( tf->ic, reply ) ) + imcb_log( tf->ic, "WARNING: Error transmitting bytestream response" ); + xt_free_node( reply ); + + imcb_file_canceled( tf->ic, tf->ft, "couldn't connect to any streamhosts" ); + + bt->tf->watch_in = 0; + /* MUST always return FALSE! */ + return FALSE; +} + +/* + * After the SOCKS5 handshake succeeds we need to inform the initiator which streamhost we chose. + * If he is the streamhost himself, he might already know that. However, if it's a proxy, + * the initiator will have to make a connection himself. + */ +void jabber_bs_recv_answer_request( struct bs_transfer *bt ) +{ + struct jabber_transfer *tf = bt->tf; + struct xt_node *reply; + + imcb_log( tf->ic, "File %s: established SOCKS5 connection to %s:%s", + tf->ft->file_name, + bt->sh->host, + bt->sh->port ); + + tf->ft->data = tf; + tf->watch_in = b_input_add( tf->fd, GAIM_INPUT_READ, jabber_bs_recv_read, bt ); + tf->ft->write_request = jabber_bs_recv_write_request; + + reply = xt_new_node( "streamhost-used", NULL, NULL ); + xt_add_attr( reply, "jid", bt->sh->jid ); + + reply = xt_new_node( "query", NULL, reply ); + xt_add_attr( reply, "xmlns", XMLNS_BYTESTREAMS ); + + reply = jabber_make_packet( "iq", "result", tf->ini_jid, reply ); + + xt_add_attr( reply, "id", tf->iq_id ); + + if( !jabber_write_packet( tf->ic, reply ) ) + imcb_file_canceled( tf->ic, tf->ft, "Error transmitting bytestream response" ); + xt_free_node( reply ); +} + +/* + * This function is called from write_request directly. If no data is available, it will install itself + * as a watcher for input on fd and once that happens, deliver the data and unschedule itself again. + */ +gboolean jabber_bs_recv_read( gpointer data, gint fd, b_input_condition cond ) +{ + int ret; + struct bs_transfer *bt = data; + struct jabber_transfer *tf = bt->tf; + + if( fd != -1 ) /* called via event thread */ + { + tf->watch_in = 0; + ASSERTSOCKOP( ret = recv( fd, tf->ft->buffer, sizeof( tf->ft->buffer ), 0 ) , "Receiving" ); + } + else + { + /* called directly. There might not be any data available. */ + if( ( ( ret = recv( tf->fd, tf->ft->buffer, sizeof( tf->ft->buffer ), 0 ) ) == -1 ) && + ( errno != EAGAIN ) ) + return jabber_bs_abort( bt, "Receiving: %s", strerror( errno ) ); + + if( ( ret == -1 ) && ( errno == EAGAIN ) ) + { + tf->watch_in = b_input_add( tf->fd, GAIM_INPUT_READ, jabber_bs_recv_read, bt ); + return FALSE; + } + } + + /* shouldn't happen since we know the file size */ + if( ret == 0 ) + return jabber_bs_abort( bt, "Remote end closed connection" ); + + tf->bytesread += ret; + + if( tf->bytesread >= tf->ft->file_size ) + imcb_file_finished( tf->ic, tf->ft ); + + tf->ft->write( tf->ft, tf->ft->buffer, ret ); + + return FALSE; +} + +/* + * imc callback that is invoked when it is ready to receive some data. + */ +gboolean jabber_bs_recv_write_request( file_transfer_t *ft ) +{ + struct jabber_transfer *tf = ft->data; + + if( tf->watch_in ) + { + imcb_file_canceled( tf->ic, ft, "BUG in jabber file transfer: write_request called when already watching for input" ); + return FALSE; + } + + jabber_bs_recv_read( tf->streamhandle, -1 , 0 ); + + return TRUE; +} + +/* + * Issues a write_request to imc. + * */ +gboolean jabber_bs_send_can_write( gpointer data, gint fd, b_input_condition cond ) +{ + struct bs_transfer *bt = data; + + bt->tf->watch_out = 0; + + bt->tf->ft->write_request( bt->tf->ft ); + + return FALSE; +} + +/* + * This should only be called if we can write, so just do it. + * Add a write watch so we can write more during the next cycle (if possible). + */ +gboolean jabber_bs_send_write( file_transfer_t *ft, char *buffer, unsigned int len ) +{ + struct jabber_transfer *tf = ft->data; + struct bs_transfer *bt = tf->streamhandle; + int ret; + + if( tf->watch_out ) + return jabber_bs_abort( bt, "BUG: write() called while watching " ); + + /* TODO: catch broken pipe */ + ASSERTSOCKOP( ret = send( tf->fd, buffer, len, 0 ), "Sending" ); + + tf->byteswritten += ret; + + /* TODO: this should really not be fatal */ + if( ret < len ) + return jabber_bs_abort( bt, "send() sent %d instead of %d (send buffer too big!)", ret, len ); + + if( tf->byteswritten >= ft->file_size ) + imcb_file_finished( tf->ic, ft ); + else + bt->tf->watch_out = b_input_add( tf->fd, GAIM_INPUT_WRITE, jabber_bs_send_can_write, bt ); + + return TRUE; +} + +/* + * Handles the reply by the receiver containing the used streamhost. + */ +static xt_status jabber_bs_send_handle_reply(struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) { + struct jabber_transfer *tf = NULL; + struct jabber_data *jd = ic->proto_data; + struct bs_transfer *bt; + GSList *tflist; + struct xt_node *c; + char *sid, *jid; + + if( !( c = xt_find_node( node->children, "query" ) ) || + !( c = xt_find_node( c->children, "streamhost-used" ) ) || + !( jid = xt_find_attr( c, "jid" ) ) ) + + { + imcb_log( ic, "WARNING: Received incomplete bytestream reply" ); + return XT_HANDLED; + } + + if( !( c = xt_find_node( orig->children, "query" ) ) || + !( sid = xt_find_attr( c, "sid" ) ) ) + { + imcb_log( ic, "WARNING: Error parsing request corresponding to the incoming bytestream reply" ); + return XT_HANDLED; + } + + /* Let's see if we can find out what this bytestream should be for... */ + + for( tflist = jd->filetransfers ; tflist; tflist = g_slist_next(tflist) ) + { + struct jabber_transfer *tft = tflist->data; + if( ( strcmp( tft->sid, sid ) == 0 ) ) + { + tf = tft; + break; + } + } + + if( !tf ) + { + imcb_log( ic, "WARNING: Received SOCKS5 bytestream reply to unknown request" ); + return XT_HANDLED; + } + + bt = tf->streamhandle; + + tf->accepted = TRUE; + + if( strcmp( jid, tf->ini_jid ) == 0 ) + { + /* we're streamhost and target */ + if( bt->phase == BS_PHASE_REPLY ) + { + /* handshake went through, let's start transferring */ + tf->ft->write_request( tf->ft ); + } + } else + { + /* using a proxy, abort listen */ + + if( tf->watch_in ) + { + b_event_remove( tf->watch_in ); + tf->watch_in = 0; + } + + if( tf->fd != -1 ) { + closesocket( tf->fd ); + tf->fd = -1; + } + + if ( bt->connect_timeout ) + { + b_event_remove( bt->connect_timeout ); + bt->connect_timeout = 0; + } + + GSList *shlist; + for( shlist = jd->streamhosts ; shlist ; shlist = g_slist_next( shlist ) ) + { + jabber_streamhost_t *sh = shlist->data; + if( strcmp( sh->jid, jid ) == 0 ) + { + bt->sh = sh; + jabber_bs_recv_handshake( bt, -1, 0 ); + return XT_HANDLED; + } + } + + imcb_log( ic, "WARNING: Received SOCKS5 bytestream reply with unknown streamhost %s", jid ); + } + + return XT_HANDLED; +} + +/* + * Tell the proxy to activate the stream. Looks like this: + * + * <iq type=set> + * <query xmlns=bs sid=sid> + * <activate>tgt_jid</activate> + * </query> + * </iq> + */ +void jabber_bs_send_activate( struct bs_transfer *bt ) +{ + struct xt_node *node; + + node = xt_new_node( "activate", bt->tf->tgt_jid, NULL ); + node = xt_new_node( "query", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_BYTESTREAMS ); + xt_add_attr( node, "sid", bt->tf->sid ); + node = jabber_make_packet( "iq", "set", bt->sh->jid, node ); + + jabber_cache_add( bt->tf->ic, node, jabber_bs_send_handle_activate ); + + jabber_write_packet( bt->tf->ic, node ); +} + +/* + * The proxy has activated the bytestream. + * We can finally start pushing some data out. + */ +static xt_status jabber_bs_send_handle_activate( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) +{ + char *sid; + GSList *tflist; + struct jabber_transfer *tf = NULL; + struct xt_node *query; + struct jabber_data *jd = ic->proto_data; + + query = xt_find_node( orig->children, "query" ); + sid = xt_find_attr( query, "sid" ); + + for( tflist = jd->filetransfers ; tflist; tflist = g_slist_next(tflist) ) + { + struct jabber_transfer *tft = tflist->data; + if( ( strcmp( tft->sid, sid ) == 0 ) ) + { + tf = tft; + break; + } + } + + if( !tf ) + { + imcb_log( ic, "WARNING: Received SOCKS5 bytestream activation for unknown stream" ); + return XT_HANDLED; + } + + imcb_log( tf->ic, "File %s: SOCKS5 handshake and activation successful! Transfer about to start...", tf->ft->file_name ); + + /* handshake went through, let's start transferring */ + tf->ft->write_request( tf->ft ); + + return XT_HANDLED; +} + +jabber_streamhost_t *jabber_si_parse_proxy( struct im_connection *ic, char *proxy ) +{ + char *host, *port, *jid; + jabber_streamhost_t *sh; + + if( ( ( host = strchr( proxy, ',' ) ) == 0 ) || + ( ( port = strchr( host+1, ',' ) ) == 0 ) ) { + imcb_log( ic, "Error parsing proxy setting: \"%s\" (ignored)", proxy ); + return NULL; + } + + jid = proxy; + *host++ = '\0'; + *port++ = '\0'; + + sh = g_new0( jabber_streamhost_t, 1 ); + sh->jid = g_strdup( jid ); + sh->host = g_strdup( host ); + strcpy( sh->port, port ); + + return sh; +} + +void jabber_si_set_proxies( struct bs_transfer *bt ) +{ + struct jabber_transfer *tf = bt->tf; + struct jabber_data *jd = tf->ic->proto_data; + char *proxysetting = g_strdup ( set_getstr( &tf->ic->acc->set, "proxy" ) ); + char *proxy, *next, *errmsg = NULL; + char port[6]; + char host[HOST_NAME_MAX+1]; + jabber_streamhost_t *sh, *sh2; + GSList *streamhosts = jd->streamhosts; + + proxy = proxysetting; + while ( proxy && ( *proxy!='\0' ) ) { + if( ( next = strchr( proxy, ';' ) ) ) + *next++ = '\0'; + + if( strcmp( proxy, "<local>" ) == 0 ) { + if( ( tf->fd = ft_listen( &tf->saddr, host, port, FALSE, &errmsg ) ) != -1 ) { + sh = g_new0( jabber_streamhost_t, 1 ); + sh->jid = g_strdup( tf->ini_jid ); + sh->host = g_strdup( host ); + strcpy( sh->port, port ); + bt->streamhosts = g_slist_append( bt->streamhosts, sh ); + + bt->tf->watch_in = b_input_add( tf->fd, GAIM_INPUT_READ, jabber_bs_send_handshake, bt ); + bt->connect_timeout = b_timeout_add( JABBER_BS_LISTEN_TIMEOUT * 1000, jabber_bs_connect_timeout, bt ); + } else { + imcb_log( tf->ic, "Transferring file %s: couldn't listen locally(non fatal, check your ft_listen setting in bitlbee.conf): %s", + tf->ft->file_name, + errmsg ); + } + } else if( strcmp( proxy, "<auto>" ) == 0 ) { + while ( streamhosts ) { + sh = g_new0( jabber_streamhost_t, 1 ); + sh2 = streamhosts->data; + sh->jid = g_strdup( sh2->jid ); + sh->host = g_strdup( sh2->host ); + strcpy( sh->port, sh2->port ); + bt->streamhosts = g_slist_append( bt->streamhosts, sh ); + streamhosts = g_slist_next( streamhosts ); + } + } else if( ( sh = jabber_si_parse_proxy( tf->ic, proxy ) ) ) + bt->streamhosts = g_slist_append( bt->streamhosts, sh ); + proxy = next; + } +} + +/* + * Starts a bytestream. + */ +gboolean jabber_bs_send_start( struct jabber_transfer *tf ) +{ + struct bs_transfer *bt; + sha1_state_t sha; + char hash_hex[41]; + unsigned char hash[20]; + int i,ret; + + /* SHA1( SID + Initiator JID + Target JID ) is given to the streamhost which it will match against the initiator's value */ + sha1_init( &sha ); + sha1_append( &sha, (unsigned char*) tf->sid, strlen( tf->sid ) ); + sha1_append( &sha, (unsigned char*) tf->ini_jid, strlen( tf->ini_jid ) ); + sha1_append( &sha, (unsigned char*) tf->tgt_jid, strlen( tf->tgt_jid ) ); + sha1_finish( &sha, hash ); + + for( i = 0; i < 20; i ++ ) + sprintf( hash_hex + i * 2, "%02x", hash[i] ); + + bt = g_new0( struct bs_transfer, 1 ); + bt->tf = tf; + bt->phase = BS_PHASE_CONNECT; + bt->pseudoadr = g_strdup( hash_hex ); + tf->streamhandle = bt; + tf->ft->free = jabber_bs_free_transfer; + tf->ft->canceled = jabber_bs_canceled; + + jabber_si_set_proxies( bt ); + + ret = jabber_bs_send_request( tf, bt->streamhosts); + + return ret; +} + +gboolean jabber_bs_send_request( struct jabber_transfer *tf, GSList *streamhosts ) +{ + struct xt_node *shnode, *query, *iq; + + query = xt_new_node( "query", NULL, NULL ); + xt_add_attr( query, "xmlns", XMLNS_BYTESTREAMS ); + xt_add_attr( query, "sid", tf->sid ); + xt_add_attr( query, "mode", "tcp" ); + + while( streamhosts ) { + jabber_streamhost_t *sh = streamhosts->data; + shnode = xt_new_node( "streamhost", NULL, NULL ); + xt_add_attr( shnode, "jid", sh->jid ); + xt_add_attr( shnode, "host", sh->host ); + xt_add_attr( shnode, "port", sh->port ); + + xt_add_child( query, shnode ); + + streamhosts = g_slist_next( streamhosts ); + } + + + iq = jabber_make_packet( "iq", "set", tf->tgt_jid, query ); + xt_add_attr( iq, "from", tf->ini_jid ); + + jabber_cache_add( tf->ic, iq, jabber_bs_send_handle_reply ); + + if( !jabber_write_packet( tf->ic, iq ) ) + imcb_file_canceled( tf->ic, tf->ft, "Error transmitting bytestream request" ); + return TRUE; +} + +gboolean jabber_bs_send_handshake_abort(struct bs_transfer *bt, char *error ) +{ + struct jabber_transfer *tf = bt->tf; + struct jabber_data *jd = tf->ic->proto_data; + + /* TODO: did the receiver get here somehow??? */ + imcb_log( tf->ic, "Transferring file %s: SOCKS5 handshake failed: %s", + tf->ft->file_name, + error ); + + if( jd->streamhosts==NULL ) /* we're done here unless we have a proxy to try */ + imcb_file_canceled( tf->ic, tf->ft, error ); + + /* MUST always return FALSE! */ + return FALSE; +} + +/* + * SOCKS5BYTESTREAM protocol for the sender + */ +gboolean jabber_bs_send_handshake( gpointer data, gint fd, b_input_condition cond ) +{ + struct bs_transfer *bt = data; + struct jabber_transfer *tf = bt->tf; + short revents; + + if ( !jabber_bs_poll( bt, fd, &revents ) ) + return FALSE; + + switch( bt->phase ) + { + case BS_PHASE_CONNECT: + { + struct sockaddr_storage clt_addr; + socklen_t ssize = sizeof( clt_addr ); + + /* Connect */ + + ASSERTSOCKOP( tf->fd = accept( fd, (struct sockaddr *) &clt_addr, &ssize ), "Accepting connection" ); + + closesocket( fd ); + fd = tf->fd; + sock_make_nonblocking( fd ); + + bt->phase = BS_PHASE_CONNECTED; + + bt->tf->watch_in = b_input_add( fd, GAIM_INPUT_READ, jabber_bs_send_handshake, bt ); + return FALSE; + } + case BS_PHASE_CONNECTED: + { + int ret, have_noauth=FALSE; + struct { + unsigned char ver; + unsigned char method; + } socks5_auth_reply = { .ver = 5, .method = 0 }; + struct { + unsigned char ver; + unsigned char nmethods; + unsigned char method; + } socks5_hello; + + if( !( ret = jabber_bs_peek( bt, &socks5_hello, sizeof( socks5_hello ) ) ) ) + return FALSE; + + if( ret < sizeof( socks5_hello ) ) + return TRUE; + + if( !( socks5_hello.ver == 5 ) || + !( socks5_hello.nmethods >= 1 ) || + !( socks5_hello.nmethods < 32 ) ) + return jabber_bs_abort( bt, "Invalid auth request ver=%d nmethods=%d method=%d", socks5_hello.ver, socks5_hello.nmethods, socks5_hello.method ); + + have_noauth = socks5_hello.method == 0; + + if( socks5_hello.nmethods > 1 ) + { + char mbuf[32]; + int i; + ASSERTSOCKOP( ret = recv( fd, mbuf, socks5_hello.nmethods - 1, 0 ) , "Receiving auth methods" ); + if( ret < ( socks5_hello.nmethods - 1 ) ) + return jabber_bs_abort( bt, "Partial auth request"); + for( i = 0 ; !have_noauth && ( i < socks5_hello.nmethods - 1 ) ; i ++ ) + if( mbuf[i] == 0 ) + have_noauth = TRUE; + } + + if( !have_noauth ) + return jabber_bs_abort( bt, "Auth request didn't include no authentication" ); + + ASSERTSOCKOP( send( fd, &socks5_auth_reply, sizeof( socks5_auth_reply ) , 0 ), "Sending auth reply" ); + + bt->phase = BS_PHASE_REQUEST; + + return TRUE; + } + case BS_PHASE_REQUEST: + { + struct socks5_message socks5_connect; + int msgsize = sizeof( struct socks5_message ); + int ret; + + if( !( ret = jabber_bs_peek( bt, &socks5_connect, msgsize ) ) ) + return FALSE; + + if( ret < msgsize ) + return TRUE; + + if( !( socks5_connect.ver == 5) || + !( socks5_connect.cmdrep.cmd == 1 ) || + !( socks5_connect.atyp == 3 ) || + !(socks5_connect.addrlen == 40 ) ) + return jabber_bs_abort( bt, "Invalid SOCKS5 Connect message (addrlen=%d, ver=%d, cmd=%d, atyp=%d)", socks5_connect.addrlen, socks5_connect.ver, socks5_connect.cmdrep.cmd, socks5_connect.atyp ); + if( !( memcmp( socks5_connect.address, bt->pseudoadr, 40 ) == 0 ) ) + return jabber_bs_abort( bt, "SOCKS5 Connect message contained wrong digest"); + + socks5_connect.cmdrep.rep = 0; + + ASSERTSOCKOP( send( fd, &socks5_connect, msgsize, 0 ), "Sending connect reply" ); + + bt->phase = BS_PHASE_REPLY; + + imcb_log( tf->ic, "File %s: SOCKS5 handshake successful! Transfer about to start...", tf->ft->file_name ); + + if( tf->accepted ) + { + /* streamhost-used message came already in(possible?), let's start sending */ + tf->ft->write_request( tf->ft ); + } + + tf->watch_in = 0; + return FALSE; + + } + default: + /* BUG */ + imcb_log( bt->tf->ic, "BUG in file transfer code: undefined handshake phase" ); + + bt->tf->watch_in = 0; + return FALSE; + } +} +#undef ASSERTSOCKOP diff --git a/protocols/jabber/si.c b/protocols/jabber/si.c new file mode 100644 index 00000000..58c0e17f --- /dev/null +++ b/protocols/jabber/si.c @@ -0,0 +1,529 @@ +/***************************************************************************\ +* * +* BitlBee - An IRC to IM gateway * +* Jabber module - SI packets * +* * +* Copyright 2007 Uli Meis <a.sporto+bee@gmail.com> * +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +* This program is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU General Public License for more details. * +* * +* You should have received a copy of the GNU General Public License along * +* with this program; if not, write to the Free Software Foundation, Inc., * +* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * +* * +\***************************************************************************/ + +#include "jabber.h" +#include "sha1.h" + +void jabber_si_answer_request( file_transfer_t *ft ); +int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf ); + +/* file_transfer free() callback */ +void jabber_si_free_transfer( file_transfer_t *ft) +{ + struct jabber_transfer *tf = ft->data; + struct jabber_data *jd = tf->ic->proto_data; + + if ( tf->watch_in ) + b_event_remove( tf->watch_in ); + + jd->filetransfers = g_slist_remove( jd->filetransfers, tf ); + + if( tf->fd != -1 ) + { + closesocket( tf->fd ); + tf->fd = -1; + } + + if( tf->disco_timeout ) + b_event_remove( tf->disco_timeout ); + + g_free( tf->ini_jid ); + g_free( tf->tgt_jid ); + g_free( tf->iq_id ); + g_free( tf->sid ); + g_free( tf ); +} + +/* file_transfer canceled() callback */ +void jabber_si_canceled( file_transfer_t *ft, char *reason ) +{ + struct jabber_transfer *tf = ft->data; + struct xt_node *reply, *iqnode; + + if( tf->accepted ) + return; + + iqnode = jabber_make_packet( "iq", "error", tf->ini_jid, NULL ); + xt_add_attr( iqnode, "id", tf->iq_id ); + reply = jabber_make_error_packet( iqnode, "forbidden", "cancel", "403" ); + xt_free_node( iqnode ); + + if( !jabber_write_packet( tf->ic, reply ) ) + imcb_log( tf->ic, "WARNING: Error generating reply to file transfer request" ); + xt_free_node( reply ); + +} + +int jabber_si_check_features( struct jabber_transfer *tf, GSList *features ) { + int foundft = FALSE, foundbt = FALSE, foundsi = FALSE; + + while ( features ) + { + if( !strcmp( features->data, XMLNS_FILETRANSFER ) ) + foundft = TRUE; + if( !strcmp( features->data, XMLNS_BYTESTREAMS ) ) + foundbt = TRUE; + if( !strcmp( features->data, XMLNS_SI ) ) + foundsi = TRUE; + + features = g_slist_next(features); + } + + if( !foundft ) + imcb_file_canceled( tf->ic, tf->ft, "Buddy's client doesn't feature file transfers" ); + else if( !foundbt ) + imcb_file_canceled( tf->ic, tf->ft, "Buddy's client doesn't feature byte streams (required)" ); + else if( !foundsi ) + imcb_file_canceled( tf->ic, tf->ft, "Buddy's client doesn't feature stream initiation (required)" ); + + return foundft && foundbt && foundsi; +} + +void jabber_si_transfer_start( struct jabber_transfer *tf ) { + + if( !jabber_si_check_features( tf, tf->bud->features ) ) + return; + + /* send the request to our buddy */ + jabber_si_send_request( tf->ic, tf->bud->full_jid, tf ); + + /* and start the receive logic */ + imcb_file_recv_start( tf->ic, tf->ft ); + +} + +gboolean jabber_si_waitfor_disco( gpointer data, gint fd, b_input_condition cond ) +{ + struct jabber_transfer *tf = data; + struct jabber_data *jd = tf->ic->proto_data; + + tf->disco_timeout_fired++; + + if( tf->bud->features && jd->have_streamhosts==1 ) { + tf->disco_timeout = 0; + jabber_si_transfer_start( tf ); + return FALSE; + } + + /* 8 seconds should be enough for server and buddy to respond */ + if ( tf->disco_timeout_fired < 16 ) + return TRUE; + + if( !tf->bud->features && jd->have_streamhosts!=1 ) + imcb_log( tf->ic, "Couldn't get buddy's features nor discover all services of the server" ); + else if( !tf->bud->features ) + imcb_log( tf->ic, "Couldn't get buddy's features" ); + else + imcb_log( tf->ic, "Couldn't discover some of the server's services" ); + + tf->disco_timeout = 0; + jabber_si_transfer_start( tf ); + return FALSE; +} + +void jabber_si_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *who ) +{ + struct jabber_transfer *tf; + struct jabber_data *jd = ic->proto_data; + struct jabber_buddy *bud; + char *server = jd->server, *s; + + if( ( s = strchr( who, '=' ) ) && jabber_chat_by_jid( ic, s + 1 ) ) + bud = jabber_buddy_by_ext_jid( ic, who, 0 ); + else + bud = jabber_buddy_by_jid( ic, who, 0 ); + + if( bud == NULL ) + { + imcb_file_canceled( ic, ft, "Couldn't find buddy (BUG?)" ); + return; + } + + imcb_log( ic, "Trying to send %s(%zd bytes) to %s", ft->file_name, ft->file_size, who ); + + tf = g_new0( struct jabber_transfer, 1 ); + + tf->ic = ic; + tf->ft = ft; + tf->fd = -1; + tf->ft->data = tf; + tf->ft->free = jabber_si_free_transfer; + tf->bud = bud; + ft->write = jabber_bs_send_write; + + jd->filetransfers = g_slist_prepend( jd->filetransfers, tf ); + + /* query buddy's features and server's streaming proxies if neccessary */ + + if( !tf->bud->features ) + jabber_iq_query_features( ic, bud->full_jid ); + + /* If <auto> is not set don't check for proxies */ + if( ( jd->have_streamhosts!=1 ) && ( jd->streamhosts==NULL ) && + ( strstr( set_getstr( &ic->acc->set, "proxy" ), "<auto>" ) != NULL ) ) { + jd->have_streamhosts = 0; + jabber_iq_query_server( ic, server, XMLNS_DISCO_ITEMS ); + } else if ( jd->streamhosts!=NULL ) + jd->have_streamhosts = 1; + + /* if we had to do a query, wait for the result. + * Otherwise fire away. */ + if( !tf->bud->features || jd->have_streamhosts!=1 ) + tf->disco_timeout = b_timeout_add( 500, jabber_si_waitfor_disco, tf ); + else + jabber_si_transfer_start( tf ); +} + +/* + * First function that gets called when a file transfer request comes in. + * A lot to parse. + * + * We choose a stream type from the options given by the initiator. + * Then we wait for imcb to call the accept or cancel callbacks. + */ +int jabber_si_handle_request( struct im_connection *ic, struct xt_node *node, struct xt_node *sinode) +{ + struct xt_node *c, *d, *reply; + char *sid, *ini_jid, *tgt_jid, *iq_id, *s, *ext_jid, *size_s; + struct jabber_buddy *bud; + int requestok = FALSE; + char *name, *cmp; + size_t size; + struct jabber_transfer *tf; + struct jabber_data *jd = ic->proto_data; + file_transfer_t *ft; + + /* All this means we expect something like this: ( I think ) + * <iq from=... to=... id=...> + * <si id=id xmlns=si profile=ft> + * <file xmlns=ft/> + * <feature xmlns=feature> + * <x xmlns=xdata type=submit> + * <field var=stream-method> + * + */ + if( !( ini_jid = xt_find_attr( node, "from" ) ) || + !( tgt_jid = xt_find_attr( node, "to" ) ) || + !( iq_id = xt_find_attr( node, "id" ) ) || + !( sid = xt_find_attr( sinode, "id" ) ) || + !( cmp = xt_find_attr( sinode, "profile" ) ) || + !( 0 == strcmp( cmp, XMLNS_FILETRANSFER ) ) || + !( d = xt_find_node( sinode->children, "file" ) ) || + !( cmp = xt_find_attr( d, "xmlns" ) ) || + !( 0 == strcmp( cmp, XMLNS_FILETRANSFER ) ) || + !( name = xt_find_attr( d, "name" ) ) || + !( size_s = xt_find_attr( d, "size" ) ) || + !( 1 == sscanf( size_s, "%zd", &size ) ) || + !( d = xt_find_node( sinode->children, "feature" ) ) || + !( cmp = xt_find_attr( d, "xmlns" ) ) || + !( 0 == strcmp( cmp, XMLNS_FEATURE ) ) || + !( d = xt_find_node( d->children, "x" ) ) || + !( cmp = xt_find_attr( d, "xmlns" ) ) || + !( 0 == strcmp( cmp, XMLNS_XDATA ) ) || + !( cmp = xt_find_attr( d, "type" ) ) || + !( 0 == strcmp( cmp, "form" ) ) || + !( d = xt_find_node( d->children, "field" ) ) || + !( cmp = xt_find_attr( d, "var" ) ) || + !( 0 == strcmp( cmp, "stream-method" ) ) ) + { + imcb_log( ic, "WARNING: Received incomplete Stream Initiation request" ); + } + else + { + /* Check if we support one of the options */ + + c = d->children; + while( ( c = xt_find_node( c, "option" ) ) ) + if( ( d = xt_find_node( c->children, "value" ) ) && + ( d->text != NULL ) && + ( strcmp( d->text, XMLNS_BYTESTREAMS ) == 0 ) ) + { + requestok = TRUE; + break; + } + + if ( !requestok ) + imcb_log( ic, "WARNING: Unsupported file transfer request from %s", ini_jid); + } + + if( requestok ) + { + /* Figure out who the transfer should come frome... */ + + ext_jid = ini_jid; + if( ( s = strchr( ini_jid, '/' ) ) ) + { + if( ( bud = jabber_buddy_by_jid( ic, ini_jid, GET_BUDDY_EXACT ) ) ) + { + bud->last_msg = time( NULL ); + ext_jid = bud->ext_jid ? : bud->bare_jid; + } + else + *s = 0; /* We need to generate a bare JID now. */ + } + + if( !( ft = imcb_file_send_start( ic, ext_jid, name, size ) ) ) + { + imcb_log( ic, "WARNING: Error handling transfer request from %s", ini_jid); + requestok = FALSE; + } + + *s = '/'; + } + else + { + reply = jabber_make_error_packet( node, "item-not-found", "cancel", NULL ); + if (!jabber_write_packet( ic, reply )) + imcb_log( ic, "WARNING: Error generating reply to file transfer request" ); + xt_free_node( reply ); + return XT_HANDLED; + } + + /* Request is fine. */ + + tf = g_new0( struct jabber_transfer, 1 ); + + tf->ini_jid = g_strdup( ini_jid ); + tf->tgt_jid = g_strdup( tgt_jid ); + tf->iq_id = g_strdup( iq_id ); + tf->sid = g_strdup( sid ); + tf->ic = ic; + tf->ft = ft; + tf->fd = -1; + tf->ft->data = tf; + tf->ft->accept = jabber_si_answer_request; + tf->ft->free = jabber_si_free_transfer; + tf->ft->canceled = jabber_si_canceled; + + jd->filetransfers = g_slist_prepend( jd->filetransfers, tf ); + + return XT_HANDLED; +} + +/* + * imc called the accept callback which probably means that the user accepted this file transfer. + * We send our response to the initiator. + * In the next step, the initiator will send us a request for the given stream type. + * (currently that can only be a SOCKS5 bytestream) + */ +void jabber_si_answer_request( file_transfer_t *ft ) { + struct jabber_transfer *tf = ft->data; + struct xt_node *node, *sinode, *reply; + + /* generate response, start with the SI tag */ + sinode = xt_new_node( "si", NULL, NULL ); + xt_add_attr( sinode, "xmlns", XMLNS_SI ); + xt_add_attr( sinode, "profile", XMLNS_FILETRANSFER ); + xt_add_attr( sinode, "id", tf->sid ); + + /* now the file tag */ + node = xt_new_node( "file", NULL, NULL ); + xt_add_attr( node, "xmlns", XMLNS_FILETRANSFER ); + + xt_add_child( sinode, node ); + + /* and finally the feature tag */ + node = xt_new_node( "field", NULL, NULL ); + xt_add_attr( node, "var", "stream-method" ); + xt_add_attr( node, "type", "list-single" ); + + /* Currently all we can do. One could also implement in-band (IBB) */ + xt_add_child( node, xt_new_node( "value", XMLNS_BYTESTREAMS, NULL ) ); + + node = xt_new_node( "x", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_XDATA ); + xt_add_attr( node, "type", "submit" ); + + node = xt_new_node( "feature", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_FEATURE ); + + xt_add_child( sinode, node ); + + reply = jabber_make_packet( "iq", "result", tf->ini_jid, sinode ); + xt_add_attr( reply, "id", tf->iq_id ); + + if( !jabber_write_packet( tf->ic, reply ) ) + imcb_log( tf->ic, "WARNING: Error generating reply to file transfer request" ); + else + tf->accepted = TRUE; + xt_free_node( reply ); +} + +static xt_status jabber_si_handle_response(struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) +{ + struct xt_node *c, *d; + char *ini_jid, *tgt_jid, *iq_id, *cmp; + GSList *tflist; + struct jabber_transfer *tf=NULL; + struct jabber_data *jd = ic->proto_data; + + if( !( tgt_jid = xt_find_attr( node, "from" ) ) || + !( ini_jid = xt_find_attr( node, "to" ) ) ) + { + imcb_log( ic, "Invalid SI response from=%s to=%s", tgt_jid, ini_jid ); + return XT_HANDLED; + } + + /* All this means we expect something like this: ( I think ) + * <iq from=... to=... id=...> + * <si xmlns=si> + * [ <file xmlns=ft/> ] <-- not neccessary + * <feature xmlns=feature> + * <x xmlns=xdata type=submit> + * <field var=stream-method> + * <value> + */ + if( !( tgt_jid = xt_find_attr( node, "from" ) ) || + !( ini_jid = xt_find_attr( node, "to" ) ) || + !( iq_id = xt_find_attr( node, "id" ) ) || + !( c = xt_find_node( node->children, "si" ) ) || + !( cmp = xt_find_attr( c, "xmlns" ) ) || + !( strcmp( cmp, XMLNS_SI ) == 0 ) || + !( d = xt_find_node( c->children, "feature" ) ) || + !( cmp = xt_find_attr( d, "xmlns" ) ) || + !( strcmp( cmp, XMLNS_FEATURE ) == 0 ) || + !( d = xt_find_node( d->children, "x" ) ) || + !( cmp = xt_find_attr( d, "xmlns" ) ) || + !( strcmp( cmp, XMLNS_XDATA ) == 0 ) || + !( cmp = xt_find_attr( d, "type" ) ) || + !( strcmp( cmp, "submit" ) == 0 ) || + !( d = xt_find_node( d->children, "field" ) ) || + !( cmp = xt_find_attr( d, "var" ) ) || + !( strcmp( cmp, "stream-method" ) == 0 ) || + !( d = xt_find_node( d->children, "value" ) ) ) + { + imcb_log( ic, "WARNING: Received incomplete Stream Initiation response" ); + return XT_HANDLED; + } + + if( !( strcmp( d->text, XMLNS_BYTESTREAMS ) == 0 ) ) { + /* since we should only have advertised what we can do and the peer should + * only have chosen what we offered, this should never happen */ + imcb_log( ic, "WARNING: Received invalid Stream Initiation response, method %s", d->text ); + + return XT_HANDLED; + } + + /* Let's see if we can find out what this bytestream should be for... */ + + for( tflist = jd->filetransfers ; tflist; tflist = g_slist_next(tflist) ) + { + struct jabber_transfer *tft = tflist->data; + if( ( strcmp( tft->iq_id, iq_id ) == 0 ) ) + { + tf = tft; + break; + } + } + + if (!tf) + { + imcb_log( ic, "WARNING: Received bytestream request from %s that doesn't match an SI request", ini_jid ); + return XT_HANDLED; + } + + tf->ini_jid = g_strdup( ini_jid ); + tf->tgt_jid = g_strdup( tgt_jid ); + + imcb_log( ic, "File %s: %s accepted the transfer!", tf->ft->file_name, tgt_jid ); + + jabber_bs_send_start( tf ); + + return XT_HANDLED; +} + +int jabber_si_send_request(struct im_connection *ic, char *who, struct jabber_transfer *tf ) +{ + struct xt_node *node, *sinode; + struct jabber_buddy *bud; + + /* who knows how many bits the future holds :) */ + char filesizestr[ 1 + ( int ) ( 0.301029995663981198f * sizeof( size_t ) * 8 ) ]; + + const char *methods[] = + { + XMLNS_BYTESTREAMS, + //XMLNS_IBB, + NULL + }; + const char **m; + char *s; + + /* Maybe we should hash this? */ + tf->sid = g_strdup_printf( "BitlBeeJabberSID%d", tf->ft->local_id ); + + if( ( s = strchr( who, '=' ) ) && jabber_chat_by_jid( ic, s + 1 ) ) + bud = jabber_buddy_by_ext_jid( ic, who, 0 ); + else + bud = jabber_buddy_by_jid( ic, who, 0 ); + + /* start with the SI tag */ + sinode = xt_new_node( "si", NULL, NULL ); + xt_add_attr( sinode, "xmlns", XMLNS_SI ); + xt_add_attr( sinode, "profile", XMLNS_FILETRANSFER ); + xt_add_attr( sinode, "id", tf->sid ); + +/* if( mimetype ) + xt_add_attr( node, "mime-type", mimetype ); */ + + /* now the file tag */ +/* if( desc ) + node = xt_new_node( "desc", descr, NULL ); */ + node = xt_new_node( "range", NULL, NULL ); + + sprintf( filesizestr, "%zd", tf->ft->file_size ); + node = xt_new_node( "file", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_FILETRANSFER ); + xt_add_attr( node, "name", tf->ft->file_name ); + xt_add_attr( node, "size", filesizestr ); +/* if (hash) + xt_add_attr( node, "hash", hash ); + if (date) + xt_add_attr( node, "date", date ); */ + + xt_add_child( sinode, node ); + + /* and finally the feature tag */ + node = xt_new_node( "field", NULL, NULL ); + xt_add_attr( node, "var", "stream-method" ); + xt_add_attr( node, "type", "list-single" ); + + for ( m = methods ; *m ; m ++ ) + xt_add_child( node, xt_new_node( "option", NULL, xt_new_node( "value", (char *)*m, NULL ) ) ); + + node = xt_new_node( "x", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_XDATA ); + xt_add_attr( node, "type", "form" ); + + node = xt_new_node( "feature", NULL, node ); + xt_add_attr( node, "xmlns", XMLNS_FEATURE ); + + xt_add_child( sinode, node ); + + /* and we are there... */ + node = jabber_make_packet( "iq", "set", bud ? bud->full_jid : who, sinode ); + jabber_cache_add( ic, node, jabber_si_handle_response ); + tf->iq_id = g_strdup( xt_find_attr( node, "id" ) ); + + return jabber_write_packet( ic, node ); +} diff --git a/protocols/msn/invitation.c b/protocols/msn/invitation.c new file mode 100644 index 00000000..d2b2a5c8 --- /dev/null +++ b/protocols/msn/invitation.c @@ -0,0 +1,622 @@ +/********************************************************************\ +* BitlBee -- An IRC to other IM-networks gateway * +* * +* Copyright 2008 Uli Meis * +* Copyright 2006 Marijn Kruisselbrink and others * +\********************************************************************/ + +/* MSN module - File transfer support */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA + */ + +#include "bitlbee.h" +#include "invitation.h" +#include "msn.h" +#include "lib/ftutil.h" + +#ifdef debug +#undef debug +#endif +#define debug(msg...) log_message( LOGLVL_INFO, msg ) + +static void msn_ftp_free( file_transfer_t *file ); +static void msn_ftpr_accept( file_transfer_t *file ); +static void msn_ftp_finished( file_transfer_t *file ); +static void msn_ftp_canceled( file_transfer_t *file, char *reason ); +static gboolean msn_ftpr_write_request( file_transfer_t *file ); + +static gboolean msn_ftp_connected( gpointer data, gint fd, b_input_condition cond ); +static gboolean msn_ftp_read( gpointer data, gint fd, b_input_condition cond ); +gboolean msn_ftps_write( file_transfer_t *file, char *buffer, unsigned int len ); + +/* + * Vararg wrapper for imcb_file_canceled(). + */ +gboolean msn_ftp_abort( file_transfer_t *file, char *format, ... ) +{ + va_list params; + va_start( params, format ); + char error[128]; + + if( vsnprintf( error, 128, format, params ) < 0 ) + sprintf( error, "internal error parsing error string (BUG)" ); + va_end( params ); + imcb_file_canceled( file, error ); + return FALSE; +} + +/* very useful */ +#define ASSERTSOCKOP(op, msg) \ + if( (op) == -1 ) \ + return msn_ftp_abort( file , msg ": %s", strerror( errno ) ); + +void msn_ftp_invitation_cmd( struct im_connection *ic, char *who, int cookie, char *icmd, + char *trailer ) +{ + struct msn_message *m = g_new0( struct msn_message, 1 ); + + m->text = g_strdup_printf( "%s" + "Invitation-Command: %s\r\n" + "Invitation-Cookie: %u\r\n" + "%s", + MSN_INVITE_HEADERS, + icmd, + cookie, + trailer); + + m->who = g_strdup( who ); + + msn_sb_write_msg( ic, m ); +} + +void msn_ftp_cancel_invite( struct im_connection *ic, char *who, int cookie, char *code ) +{ + char buf[64]; + + g_snprintf( buf, sizeof( buf ), "Cancel-Code: %s\r\n", code ); + msn_ftp_invitation_cmd( ic, who, cookie, "CANCEL", buf ); +} + +void msn_ftp_transfer_request( struct im_connection *ic, file_transfer_t *file, char *who ) +{ + unsigned int cookie = time( NULL ); /* TODO: randomize */ + char buf[2048]; + + msn_filetransfer_t *msn_file = g_new0( msn_filetransfer_t, 1 ); + file->data = msn_file; + file->free = msn_ftp_free; + file->canceled = msn_ftp_canceled; + file->write = msn_ftps_write; + msn_file->md = ic->proto_data; + msn_file->invite_cookie = cookie; + msn_file->handle = g_strdup( who ); + msn_file->dcc = file; + msn_file->md->filetransfers = g_slist_prepend( msn_file->md->filetransfers, msn_file->dcc ); + msn_file->fd = -1; + msn_file->sbufpos = 3; + + g_snprintf( buf, sizeof( buf ), + "Application-Name: File Transfer\r\n" + "Application-GUID: {5D3E02AB-6190-11d3-BBBB-00C04F795683}\r\n" + "Application-File: %s\r\n" + "Application-FileSize: %zd\r\n", + file->file_name, + file->file_size); + + msn_ftp_invitation_cmd( msn_file->md->ic, msn_file->handle, cookie, "INVITE", buf ); + + imcb_file_recv_start( file ); +} + +void msn_invitation_invite( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ) +{ + char *itype = msn_findheader( body, "Application-GUID:", blen ); + char *name, *size, *invitecookie, *reject = NULL; + user_t *u; + size_t isize; + file_transfer_t *file; + + if( !itype || strcmp( itype, "{5D3E02AB-6190-11d3-BBBB-00C04F795683}" ) != 0 ) { + /* Don't know what that is - don't care */ + char *iname = msn_findheader( body, "Application-Name:", blen ); + imcb_log( sb->ic, "Received unknown MSN invitation %s (%s) from %s", + itype ? : "with no GUID", iname ? iname : "no application name", handle ); + g_free( iname ); + reject = "REJECT_NOT_INSTALLED"; + } else if ( + !( name = msn_findheader( body, "Application-File:", blen )) || + !( size = msn_findheader( body, "Application-FileSize:", blen )) || + !( invitecookie = msn_findheader( body, "Invitation-Cookie:", blen)) || + !( isize = atoll( size ) ) ) { + imcb_log( sb->ic, "Received corrupted transfer request from %s" + "(name=%s, size=%s, invitecookie=%s)", + handle, name, size, invitecookie ); + reject = "REJECT"; + } else if ( !( u = user_findhandle( sb->ic, handle ) ) ) { + imcb_log( sb->ic, "Error in parsing transfer request, User '%s'" + "is not in contact list", handle ); + reject = "REJECT"; + } else if ( !( file = imcb_file_send_start( sb->ic, handle, name, isize ) ) ) { + imcb_log( sb->ic, "Error initiating transfer for request from %s for %s", + handle, name ); + reject = "REJECT"; + } else { + msn_filetransfer_t *msn_file = g_new0( msn_filetransfer_t, 1 ); + file->data = msn_file; + file->accept = msn_ftpr_accept; + file->free = msn_ftp_free; + file->finished = msn_ftp_finished; + file->canceled = msn_ftp_canceled; + file->write_request = msn_ftpr_write_request; + msn_file->md = sb->ic->proto_data; + msn_file->invite_cookie = cookie; + msn_file->handle = g_strdup( handle ); + msn_file->dcc = file; + msn_file->md->filetransfers = g_slist_prepend( msn_file->md->filetransfers, msn_file->dcc ); + msn_file->fd = -1; + } + + if( reject ) + msn_ftp_cancel_invite( sb->ic, sb->who, cookie, reject ); + + g_free( name ); + g_free( size ); + g_free( invitecookie ); + g_free( itype ); +} + +msn_filetransfer_t* msn_find_filetransfer( struct msn_data *md, unsigned int cookie, char *handle ) +{ + GSList *l; + + for( l = md->filetransfers; l; l = l->next ) { + msn_filetransfer_t *file = ( (file_transfer_t*) l->data )->data; + if( file->invite_cookie == cookie && strcmp( handle, file->handle ) == 0 ) { + return file; + } + } + return NULL; +} + +gboolean msn_ftps_connected( gpointer data, gint fd, b_input_condition cond ) +{ + file_transfer_t *file = data; + msn_filetransfer_t *msn_file = file->data; + struct sockaddr_storage clt_addr; + socklen_t ssize = sizeof( clt_addr ); + + debug( "Connected to MSNFTP client" ); + + ASSERTSOCKOP( msn_file->fd = accept( fd, (struct sockaddr *) &clt_addr, &ssize ), "Accepting connection" ); + + closesocket( fd ); + fd = msn_file->fd; + sock_make_nonblocking( fd ); + + msn_file->r_event_id = b_input_add( fd, GAIM_INPUT_READ, msn_ftp_read, file ); + + return FALSE; +} + +void msn_invitations_accept( msn_filetransfer_t *msn_file, struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ) +{ + file_transfer_t *file = msn_file->dcc; + char buf[1024]; + unsigned int acookie = time ( NULL ); + char host[HOST_NAME_MAX+1]; + char port[6]; + char *errmsg; + + msn_file->auth_cookie = acookie; + + if( ( msn_file->fd = ft_listen( NULL, host, port, FALSE, &errmsg ) ) == -1 ) { + msn_ftp_abort( file, "Failed to listen locally, check your ft_listen setting in bitlbee.conf: %s", errmsg ); + return; + } + + msn_file->r_event_id = b_input_add( msn_file->fd, GAIM_INPUT_READ, msn_ftps_connected, file ); + + g_snprintf( buf, sizeof( buf ), + "IP-Address: %s\r\n" + "Port: %s\r\n" + "AuthCookie: %d\r\n" + "Launch-Application: FALSE\r\n" + "Request-Data: IP-Address:\r\n\r\n", + host, + port, + msn_file->auth_cookie ); + + msn_ftp_invitation_cmd( msn_file->md->ic, handle, msn_file->invite_cookie, "ACCEPT", buf ); +} + +void msn_invitationr_accept( msn_filetransfer_t *msn_file, struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ) { + file_transfer_t *file = msn_file->dcc; + char *authcookie, *ip, *port; + + if( !( authcookie = msn_findheader( body, "AuthCookie:", blen ) ) || + !( ip = msn_findheader( body, "IP-Address:", blen ) ) || + !( port = msn_findheader( body, "Port:", blen ) ) ) { + msn_ftp_abort( file, "Received invalid accept reply" ); + } else if( + ( msn_file->fd = proxy_connect( ip, atoi( port ), msn_ftp_connected, file ) ) + < 0 ) { + msn_ftp_abort( file, "Error connecting to MSN client" ); + } else + msn_file->auth_cookie = strtoul( authcookie, NULL, 10 ); + + g_free( authcookie ); + g_free( ip ); + g_free( port ); +} + +void msn_invitation_accept( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ) +{ + msn_filetransfer_t *msn_file = msn_find_filetransfer( sb->ic->proto_data, cookie, handle ); + file_transfer_t *file = msn_file ? msn_file->dcc : NULL; + + if( !msn_file ) + imcb_log( sb->ic, "Received invitation ACCEPT message for unknown invitation (already aborted?)" ); + else if( file->sending ) + msn_invitations_accept( msn_file, sb, handle, cookie, body, blen ); + else + msn_invitationr_accept( msn_file, sb, handle, cookie, body, blen ); +} + +void msn_invitation_cancel( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ) +{ + msn_filetransfer_t *msn_file = msn_find_filetransfer( sb->ic->proto_data, cookie, handle ); + + if( !msn_file ) + imcb_log( sb->ic, "Received invitation CANCEL message for unknown invitation (already aborted?)" ); + else + msn_ftp_abort( msn_file->dcc, msn_findheader( body, "Cancel-Code:", blen ) ); +} + +int msn_ftp_write( file_transfer_t *file, char *format, ... ) +{ + msn_filetransfer_t *msn_file = file->data; + va_list params; + int st; + char *s; + + va_start( params, format ); + s = g_strdup_vprintf( format, params ); + va_end( params ); + + st = write( msn_file->fd, s, strlen( s ) ); + if( st != strlen( s ) ) + return msn_ftp_abort( file, "Error sending data over MSNFTP connection: %s", + strerror( errno ) ); + + g_free( s ); + return 1; +} + +gboolean msn_ftp_connected( gpointer data, gint fd, b_input_condition cond ) +{ + file_transfer_t *file = data; + msn_filetransfer_t *msn_file = file->data; + + debug( "Connected to MSNFTP server, starting authentication" ); + if( !msn_ftp_write( file, "VER MSNFTP\r\n" ) ) + return FALSE; + + sock_make_nonblocking( msn_file->fd ); + msn_file->r_event_id = b_input_add( msn_file->fd, GAIM_INPUT_READ, msn_ftp_read, file ); + + return FALSE; +} + +gboolean msn_ftp_handle_command( file_transfer_t *file, char* line ) +{ + msn_filetransfer_t *msn_file = file->data; + char **cmd = msn_linesplit( line ); + int count = 0; + if( cmd[0] ) while( cmd[++count] ); + + if( count < 1 ) + return msn_ftp_abort( file, "Missing command in MSNFTP communication" ); + + if( strcmp( cmd[0], "VER" ) == 0 ) { + if( strcmp( cmd[1], "MSNFTP" ) != 0 ) + return msn_ftp_abort( file, "Unsupported filetransfer protocol: %s", cmd[1] ); + if( file->sending ) + msn_ftp_write( file, "VER MSNFTP\r\n" ); + else + msn_ftp_write( file, "USR %s %u\r\n", msn_file->md->ic->acc->user, msn_file->auth_cookie ); + } else if( strcmp( cmd[0], "FIL" ) == 0 ) { + if( strtoul( cmd[1], NULL, 10 ) != file->file_size ) + return msn_ftp_abort( file, "FIL reply contains a different file size than the size in the invitation" ); + msn_ftp_write( file, "TFR\r\n" ); + msn_file->status |= MSN_TRANSFER_RECEIVING; + } else if( strcmp( cmd[0], "USR" ) == 0 ) { + if( ( strcmp( cmd[1], msn_file->handle ) != 0 ) || + ( strtoul( cmd[2], NULL, 10 ) != msn_file->auth_cookie ) ) + msn_ftp_abort( file, "Authentication failed. " + "Expected handle: %s (got %s), cookie: %u (got %s)", + msn_file->handle, cmd[1], + msn_file->auth_cookie, cmd[2] ); + msn_ftp_write( file, "FIL %zu\r\n", file->file_size); + } else if( strcmp( cmd[0], "TFR" ) == 0 ) { + file->write_request( file ); + } else if( strcmp( cmd[0], "BYE" ) == 0 ) { + unsigned int retcode = count > 1 ? atoi(cmd[1]) : 1; + + if( ( retcode==16777989 ) || ( retcode==16777987 ) ) + imcb_file_finished( file ); + else if( retcode==2147942405 ) + imcb_file_canceled( file, "Failure: receiver is out of disk space" ); + else if( retcode==2164261682 ) + imcb_file_canceled( file, "Failure: receiver cancelled the transfer" ); + else if( retcode==2164261683 ) + imcb_file_canceled( file, "Failure: sender has cancelled the transfer" ); + else if( retcode==2164261694 ) + imcb_file_canceled( file, "Failure: connection is blocked" ); + else { + char buf[128]; + + sprintf( buf, "Failure: unknown BYE code: %d", retcode); + imcb_file_canceled( file, buf ); + } + } else if( strcmp( cmd[0], "CCL" ) == 0 ) { + imcb_file_canceled( file, "Failure: receiver cancelled the transfer" ); + } else { + msn_ftp_abort( file, "Received invalid command %s from msn client", cmd[0] ); + } + return TRUE; +} + +gboolean msn_ftp_send( gpointer data, gint fd, b_input_condition cond ) +{ + file_transfer_t *file = data; + msn_filetransfer_t *msn_file = file->data; + + msn_file->w_event_id = 0; + + file->write_request( file ); + + return FALSE; +} + +/* + * This should only be called if we can write, so just do it. + * Add a write watch so we can write more during the next cycle (if possible). + * This got a bit complicated because (at least) amsn expects packets of size 2045. + */ +gboolean msn_ftps_write( file_transfer_t *file, char *buffer, unsigned int len ) +{ + msn_filetransfer_t *msn_file = file->data; + int ret, overflow; + + /* what we can't send now */ + overflow = msn_file->sbufpos + len - MSNFTP_PSIZE; + + /* append what we can do the send buffer */ + memcpy( msn_file->sbuf + msn_file->sbufpos, buffer, MIN( len, MSNFTP_PSIZE - msn_file->sbufpos ) ); + msn_file->sbufpos += MIN( len, MSNFTP_PSIZE - msn_file->sbufpos ); + + /* if we don't have enough for a full packet and there's more wait for it */ + if( ( msn_file->sbufpos < MSNFTP_PSIZE ) && + ( msn_file->data_sent + msn_file->sbufpos - 3 < file->file_size ) ) { + if( !msn_file->w_event_id ) + msn_file->w_event_id = b_input_add( msn_file->fd, GAIM_INPUT_WRITE, msn_ftp_send, file ); + return TRUE; + } + + /* Accumulated enough data, lets send something out */ + + msn_file->sbuf[0] = 0; + msn_file->sbuf[1] = ( msn_file->sbufpos - 3 ) & 0xff; + msn_file->sbuf[2] = ( ( msn_file->sbufpos - 3 ) >> 8 ) & 0xff; + + ASSERTSOCKOP( ret = send( msn_file->fd, msn_file->sbuf, msn_file->sbufpos, 0 ), "Sending" ); + + msn_file->data_sent += ret - 3; + + /* TODO: this should really not be fatal */ + if( ret < msn_file->sbufpos ) + return msn_ftp_abort( file, "send() sent %d instead of %d (send buffer full!)", ret, msn_file->sbufpos ); + + msn_file->sbufpos = 3; + + if( overflow > 0 ) { + while( overflow > ( MSNFTP_PSIZE - 3 ) ) { + if( !msn_ftps_write( file, buffer + len - overflow, MSNFTP_PSIZE - 3 ) ) + return FALSE; + overflow -= MSNFTP_PSIZE - 3; + } + return msn_ftps_write( file, buffer + len - overflow, overflow ); + } + + if( msn_file->data_sent == file->file_size ) { + if( msn_file->w_event_id ) { + b_event_remove( msn_file->w_event_id ); + msn_file->w_event_id = 0; + } + } else { + /* we might already be listening if this is data from an overflow */ + if( !msn_file->w_event_id ) + msn_file->w_event_id = b_input_add( msn_file->fd, GAIM_INPUT_WRITE, msn_ftp_send, file ); + } + + return TRUE; +} + +/* Binary part of the file transfer protocol */ +gboolean msn_ftpr_read( file_transfer_t *file ) +{ + msn_filetransfer_t *msn_file = file->data; + int st; + unsigned char buf[3]; + + if( msn_file->data_remaining ) { + msn_file->r_event_id = 0; + + ASSERTSOCKOP( st = read( msn_file->fd, file->buffer, MIN( sizeof( file->buffer ), msn_file->data_remaining ) ), "Receiving" ); + + if( st == 0 ) + return msn_ftp_abort( file, "Remote end closed connection"); + + msn_file->data_sent += st; + + msn_file->data_remaining -= st; + + file->write( file, file->buffer, st ); + + if( msn_file->data_sent >= file->file_size ) + imcb_file_finished( file ); + + return FALSE; + } else { + ASSERTSOCKOP( st = read( msn_file->fd, buf, 1 ), "Receiving" ); + if( st == 0 ) { + return msn_ftp_abort( file, "read returned EOF while reading data header from msn client" ); + } else if( buf[0] == '\r' || buf[0] == '\n' ) { + debug( "Discarding extraneous newline" ); + } else if( buf[0] != 0 ) { + msn_ftp_abort( file, "Remote end canceled the transfer"); + /* don't really care about these last 2 (should be 0,0) */ + read( msn_file->fd, buf, 2 ); + return FALSE; + } else { + unsigned int size; + ASSERTSOCKOP( st = read( msn_file->fd, buf, 2 ), "Receiving" ); + if( st < 2 ) + return msn_ftp_abort( file, "read returned EOF while reading data header from msn client" ); + + size = buf[0] + ((unsigned int) buf[1] << 8); + msn_file->data_remaining = size; + } + } + return TRUE; +} + +/* Text mode part of the file transfer protocol */ +gboolean msn_ftp_txtproto( file_transfer_t *file ) +{ + msn_filetransfer_t *msn_file = file->data; + int i = msn_file->tbufpos, st; + char *tbuf = msn_file->tbuf; + + ASSERTSOCKOP( st = read( msn_file->fd, + tbuf + msn_file->tbufpos, + sizeof( msn_file->tbuf ) - msn_file->tbufpos ), + "Receiving" ); + + if( st == 0 ) + return msn_ftp_abort( file, "read returned EOF while reading text from msn client" ); + + msn_file->tbufpos += st; + + do { + for( ;i < msn_file->tbufpos; i++ ) { + if( tbuf[i] == '\n' || tbuf[i] == '\r' ) { + tbuf[i] = '\0'; + if( i > 0 ) + msn_ftp_handle_command( file, tbuf ); + else + while( tbuf[i] == '\n' || tbuf[i] == '\r' ) i++; + memmove( tbuf, tbuf + i + 1, msn_file->tbufpos - i - 1 ); + msn_file->tbufpos -= i + 1; + i = 0; + break; + } + } + } while ( i < msn_file->tbufpos ); + + if( msn_file->tbufpos == sizeof( msn_file->tbuf ) ) + return msn_ftp_abort( file, + "Line exceeded %d bytes in text protocol", + sizeof( msn_file->tbuf ) ); + return TRUE; +} + +gboolean msn_ftp_read( gpointer data, gint fd, b_input_condition cond ) +{ + file_transfer_t *file = data; + msn_filetransfer_t *msn_file = file->data; + + if( msn_file->status & MSN_TRANSFER_RECEIVING ) + return msn_ftpr_read( file ); + else + return msn_ftp_txtproto( file ); +} + +void msn_ftp_free( file_transfer_t *file ) +{ + msn_filetransfer_t *msn_file = file->data; + + if( msn_file->r_event_id ) + b_event_remove( msn_file->r_event_id ); + + if( msn_file->w_event_id ) + b_event_remove( msn_file->w_event_id ); + + if( msn_file->fd != -1 ) + closesocket( msn_file->fd ); + + msn_file->md->filetransfers = g_slist_remove( msn_file->md->filetransfers, msn_file->dcc ); + + g_free( msn_file->handle ); + + g_free( msn_file ); +} + +void msn_ftpr_accept( file_transfer_t *file ) +{ + msn_filetransfer_t *msn_file = file->data; + + msn_ftp_invitation_cmd( msn_file->md->ic, msn_file->handle, msn_file->invite_cookie, "ACCEPT", + "Launch-Application: FALSE\r\n" + "Request-Data: IP-Address:\r\n"); +} + +void msn_ftp_finished( file_transfer_t *file ) +{ + msn_ftp_write( file, "BYE 16777989\r\n" ); +} + +void msn_ftp_canceled( file_transfer_t *file, char *reason ) +{ + msn_filetransfer_t *msn_file = file->data; + + msn_ftp_cancel_invite( msn_file->md->ic, msn_file->handle, + msn_file->invite_cookie, + file->status & FT_STATUS_TRANSFERRING ? + "FTTIMEOUT" : + "FAIL" ); + + imcb_log( msn_file->md->ic, "File transfer aborted: %s", reason ); +} + +gboolean msn_ftpr_write_request( file_transfer_t *file ) +{ + msn_filetransfer_t *msn_file = file->data; + if( msn_file->r_event_id != 0 ) { + msn_ftp_abort( file, + "BUG in MSN file transfer:" + "write_request called when" + "already watching for input" ); + return FALSE; + } + + msn_file->r_event_id = + b_input_add( msn_file->fd, GAIM_INPUT_READ, msn_ftp_read, file ); + + return TRUE; +} diff --git a/protocols/msn/invitation.h b/protocols/msn/invitation.h new file mode 100644 index 00000000..289efd7b --- /dev/null +++ b/protocols/msn/invitation.h @@ -0,0 +1,82 @@ +/********************************************************************\ +* BitlBee -- An IRC to other IM-networks gateway * +* * +* Copyright 2006 Marijn Kruisselbrink and others * +\********************************************************************/ + +/* MSN module - File transfer support */ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MSN_INVITATION_H +#define _MSN_INVITATION_H + +#include "msn.h" + +#define MSN_INVITE_HEADERS "MIME-Version: 1.0\r\n" \ + "Content-Type: text/x-msmsgsinvite; charset=UTF-8\r\n" \ + "\r\n" + +#define MSNFTP_PSIZE 2048 + +typedef enum { + MSN_TRANSFER_RECEIVING = 1, + MSN_TRANSFER_SENDING = 2 +} msn_filetransfer_status_t; + +typedef struct msn_filetransfer +{ +/* Generic invitation data */ + /* msn_data instance this invitation was received with. */ + struct msn_data *md; + /* Cookie specifying this invitation. */ + unsigned int invite_cookie; + /* Handle of user that started this invitation. */ + char *handle; + +/* File transfer specific data */ + /* Current status of the file transfer. */ + msn_filetransfer_status_t status; + /* Pointer to the dcc structure for this transfer. */ + file_transfer_t *dcc; + /* Socket the transfer is taking place over. */ + int fd; + /* Cookie received in the original invitation, this must be sent as soon as + a connection has been established. */ + unsigned int auth_cookie; + /* Data remaining to be received in the current packet. */ + unsigned int data_remaining; + /* Buffer containing received, but unprocessed text. */ + char tbuf[256]; + unsigned int tbufpos; + + unsigned int data_sent; + + gint r_event_id; + gint w_event_id; + + unsigned char sbuf[2048]; + int sbufpos; + +} msn_filetransfer_t; + +void msn_invitation_invite( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ); +void msn_invitation_accept( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ); +void msn_invitation_cancel( struct msn_switchboard *sb, char *handle, unsigned int cookie, char *body, int blen ); + +#endif diff --git a/protocols/msn/msn.c b/protocols/msn/msn.c index 37f6e1be..c7f56b7f 100644 --- a/protocols/msn/msn.c +++ b/protocols/msn/msn.c @@ -77,6 +77,12 @@ static void msn_logout( struct im_connection *ic ) if( md ) { + /** Disabling MSN ft support for now. + while( md->filetransfers ) { + imcb_file_canceled( md->filetransfers->data, "Closing connection" ); + } + */ + if( md->fd >= 0 ) closesocket( md->fd ); @@ -326,6 +332,7 @@ void msn_initmodule() ret->rem_deny = msn_rem_deny; ret->send_typing = msn_send_typing; ret->handle_cmp = g_strcasecmp; + //ret->transfer_request = msn_ftp_transfer_request; register_protocol(ret); } diff --git a/protocols/msn/msn.h b/protocols/msn/msn.h index 02d180b6..077203c9 100644 --- a/protocols/msn/msn.h +++ b/protocols/msn/msn.h @@ -68,6 +68,7 @@ struct msn_data GSList *switchboards; int sb_failures; time_t first_sb_failure; + GSList *filetransfers; const struct msn_away_state *away_state; int buddycount; @@ -180,4 +181,7 @@ void msn_sb_destroy( struct msn_switchboard *sb ); gboolean msn_sb_connected( gpointer data, gint source, b_input_condition cond ); int msn_sb_write_msg( struct im_connection *ic, struct msn_message *m ); +/* invitation.c */ +void msn_ftp_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *who ); + #endif //_MSN_H diff --git a/protocols/msn/msn_util.c b/protocols/msn/msn_util.c index 9c9d2720..a8d24b30 100644 --- a/protocols/msn/msn_util.c +++ b/protocols/msn/msn_util.c @@ -95,8 +95,7 @@ static void msn_buddy_ask_yes( void *data ) msn_buddy_list_add( bla->ic, "AL", bla->handle, bla->realname ); - if( imcb_find_buddy( bla->ic, bla->handle ) == NULL ) - imcb_ask_add( bla->ic, bla->handle, NULL ); + imcb_ask_add( bla->ic, bla->handle, NULL ); g_free( bla->handle ); g_free( bla->realname ); diff --git a/protocols/msn/sb.c b/protocols/msn/sb.c index e9526234..a935ce97 100644 --- a/protocols/msn/sb.c +++ b/protocols/msn/sb.c @@ -28,6 +28,7 @@ #include "msn.h" #include "passport.h" #include "md5.h" +#include "invitation.h" static gboolean msn_sb_callback( gpointer data, gint source, b_input_condition cond ); static int msn_sb_command( gpointer data, char **cmd, int num_parts ); @@ -167,7 +168,18 @@ int msn_sb_sendmessage( struct msn_switchboard *sb, char *text ) int i, j; /* Build the message. Convert LF to CR-LF for normal messages. */ - if( strcmp( text, TYPING_NOTIFICATION_MESSAGE ) != 0 ) + if( strcmp( text, TYPING_NOTIFICATION_MESSAGE ) == 0 ) + { + i = strlen( MSN_TYPING_HEADERS ) + strlen( sb->ic->acc->user ); + buf = g_new0( char, i ); + i = g_snprintf( buf, i, MSN_TYPING_HEADERS, sb->ic->acc->user ); + } + else if( strncmp( text, MSN_INVITE_HEADERS, sizeof( MSN_INVITE_HEADERS ) - 1 ) == 0 ) + { + buf = g_strdup( text ); + i = strlen( buf ); + } + else { buf = g_new0( char, sizeof( MSN_MESSAGE_HEADERS ) + strlen( text ) * 2 + 1 ); i = strlen( MSN_MESSAGE_HEADERS ); @@ -181,12 +193,6 @@ int msn_sb_sendmessage( struct msn_switchboard *sb, char *text ) buf[i++] = text[j]; } } - else - { - i = strlen( MSN_TYPING_HEADERS ) + strlen( sb->ic->acc->user ); - buf = g_new0( char, i ); - i = g_snprintf( buf, i, MSN_TYPING_HEADERS, sb->ic->acc->user ); - } /* Build the final packet (MSG command + the message). */ packet = g_strdup_printf( "MSG %d N %d\r\n%s", ++sb->trId, i, buf ); @@ -684,64 +690,46 @@ static int msn_sb_message( gpointer data, char *msg, int msglen, char **cmd, int /* PANIC! */ } } +#if 0 + // Disable MSN ft support for now. else if( g_strncasecmp( ct, "text/x-msmsgsinvite", 19 ) == 0 ) { - char *itype = msn_findheader( body, "Application-GUID:", blen ); - char buf[1024]; + char *command = msn_findheader( body, "Invitation-Command:", blen ); + char *cookie = msn_findheader( body, "Invitation-Cookie:", blen ); + unsigned int icookie; g_free( ct ); - *buf = 0; - - if( !itype ) - return( 1 ); - - /* File transfer. */ - if( strcmp( itype, "{5D3E02AB-6190-11d3-BBBB-00C04F795683}" ) == 0 ) - { - char *name = msn_findheader( body, "Application-File:", blen ); - char *size = msn_findheader( body, "Application-FileSize:", blen ); - - if( name && size ) - { - g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Filetransfer: `%s', %s bytes >>\n" - "Filetransfers are not supported by BitlBee for now...", name, size ); - } - else - { - strcpy( buf, "<< \x02""BitlBee\x02"" - Corrupted MSN filetransfer invitation message >>" ); - } - - if( name ) g_free( name ); - if( size ) g_free( size ); + /* Every invite should have both a Command and Cookie header */ + if( !command || !cookie ) { + g_free( command ); + g_free( cookie ); + imcb_log( ic, "Warning: No command or cookie from %s", sb->who ); + return 1; } - else - { - char *iname = msn_findheader( body, "Application-Name:", blen ); - - g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Unknown MSN invitation - %s (%s) >>", - itype, iname ? iname : "no name" ); - - if( iname ) g_free( iname ); - } - - g_free( itype ); - if( !*buf ) - return( 1 ); + icookie = strtoul( cookie, NULL, 10 ); + g_free( cookie ); - if( sb->who ) - { - imcb_buddy_msg( ic, cmd[1], buf, 0, 0 ); - } - else if( sb->chat ) - { - imcb_chat_msg( sb->chat, cmd[1], buf, 0, 0 ); - } - else - { - /* PANIC! */ + if( g_strncasecmp( command, "INVITE", 6 ) == 0 ) { + msn_invitation_invite( sb, cmd[1], icookie, body, blen ); + } else if( g_strncasecmp( command, "ACCEPT", 6 ) == 0 ) { + msn_invitation_accept( sb, cmd[1], icookie, body, blen ); + } else if( g_strncasecmp( command, "CANCEL", 6 ) == 0 ) { + msn_invitation_cancel( sb, cmd[1], icookie, body, blen ); + } else { + imcb_log( ic, "Warning: Received invalid invitation with " + "command %s from %s", command, sb->who ); } + + g_free( command ); + } +#endif + else if( g_strncasecmp( ct, "application/x-msnmsgrp2p", 24 ) == 0 ) + { + imcb_error( sb->ic, "Cannot receive file from %s: BitlBee does not " + "support msnmsgrp2p yet.", sb->who ); + g_free( ct ); } else if( g_strncasecmp( ct, "text/x-msmsgscontrol", 20 ) == 0 ) { diff --git a/protocols/nogaim.c b/protocols/nogaim.c index fca8b302..74ec0642 100644 --- a/protocols/nogaim.c +++ b/protocols/nogaim.c @@ -37,9 +37,6 @@ #include "nogaim.h" #include "chat.h" -static int remove_chat_buddy_silent( struct groupchat *b, const char *handle ); -static char *format_timestamp( irc_t *irc, time_t msg_ts ); - GSList *connections; #ifdef WITH_PLUGINS @@ -92,8 +89,6 @@ void load_plugins(void) } #endif -/* nogaim.c */ - GList *protocols = NULL; void register_protocol (struct prpl *p) @@ -125,7 +120,6 @@ struct prpl *find_protocol(const char *name) return NULL; } -/* nogaim.c */ void nogaim_init() { extern void msn_initmodule(); @@ -161,15 +155,13 @@ void nogaim_init() GSList *get_connections() { return connections; } -/* multi.c */ - struct im_connection *imcb_new( account_t *acc ) { struct im_connection *ic; ic = g_new0( struct im_connection, 1 ); - ic->irc = acc->irc; + ic->bee = acc->bee; ic->acc = acc; acc->ic = ic; @@ -183,7 +175,7 @@ void imc_free( struct im_connection *ic ) account_t *a; /* Destroy the pointer to this connection from the account list */ - for( a = ic->irc->accounts; a; a = a->next ) + for( a = ic->bee->accounts; a; a = a->next ) if( a->ic == ic ) { a->ic = NULL; @@ -204,20 +196,21 @@ static void serv_got_crap( struct im_connection *ic, char *format, ... ) text = g_strdup_vprintf( format, params ); va_end( params ); - if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) || - ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) ) + if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) || + ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) ) strip_html( text ); /* Try to find a different connection on the same protocol. */ - for( a = ic->irc->accounts; a; a = a->next ) + for( a = ic->bee->accounts; a; a = a->next ) if( a->prpl == ic->acc->prpl && a->ic != ic ) break; /* If we found one, include the screenname in the message. */ if( a ) - irc_usermsg( ic->irc, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text ); + /* FIXME(wilmer): ui_log callback or so */ + irc_usermsg( ic->bee->ui_data, "%s(%s) - %s", ic->acc->prpl->name, ic->acc->user, text ); else - irc_usermsg( ic->irc, "%s - %s", ic->acc->prpl->name, text ); + irc_usermsg( ic->bee->ui_data, "%s - %s", ic->acc->prpl->name, text ); g_free( text ); } @@ -268,18 +261,12 @@ static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond ) void imcb_connected( struct im_connection *ic ) { - irc_t *irc = ic->irc; - struct chat *c; - user_t *u; - /* MSN servers sometimes redirect you to a different server and do the whole login sequence again, so these "late" calls to this function should be handled correctly. (IOW, ignored) */ if( ic->flags & OPT_LOGGED_IN ) return; - u = user_find( ic->irc, ic->irc->nick ); - imcb_log( ic, "Logged in" ); ic->keepalive = b_timeout_add( 60000, send_keepalive, ic ); @@ -292,6 +279,7 @@ void imcb_connected( struct im_connection *ic ) exponential backoff timer. */ ic->acc->auto_reconnect_delay = 0; + /* for( c = irc->chatrooms; c; c = c->next ) { if( c->acc != ic->acc ) @@ -300,6 +288,7 @@ void imcb_connected( struct im_connection *ic ) if( set_getbool( &c->set, "auto_join" ) ) chat_join( irc, c, NULL ); } + */ } gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond ) @@ -307,7 +296,7 @@ gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond ) account_t *a = data; a->reconnect = 0; - account_on( a->irc, a ); + account_on( a->bee, a ); return( FALSE ); /* Only have to run the timeout once */ } @@ -320,9 +309,9 @@ void cancel_auto_reconnect( account_t *a ) void imc_logout( struct im_connection *ic, int allow_reconnect ) { - irc_t *irc = ic->irc; - user_t *t, *u; + bee_t *bee = ic->bee; account_t *a; + GSList *l; int delay; /* Nested calls might happen sometimes, this is probably the best @@ -342,22 +331,20 @@ void imc_logout( struct im_connection *ic, int allow_reconnect ) g_free( ic->away ); ic->away = NULL; - u = irc->users; - while( u ) + for( l = bee->users; l; ) { - if( u->ic == ic ) - { - t = u->next; - user_del( irc, u->nick ); - u = t; - } - else - u = u->next; + bee_user_t *bu = l->data; + GSList *next = l->next; + + if( bu->ic == ic ) + bee_user_free( bee, bu ); + + l = next; } - query_del_by_conn( ic->irc, ic ); + //query_del_by_conn( ic->irc, ic ); - for( a = irc->accounts; a; a = a->next ) + for( a = bee->accounts; a; a = a->next ) if( a->ic == ic ) break; @@ -365,7 +352,7 @@ void imc_logout( struct im_connection *ic, int allow_reconnect ) { /* Uhm... This is very sick. */ } - else if( allow_reconnect && set_getbool( &irc->set, "auto_reconnect" ) && + else if( allow_reconnect && set_getbool( &bee->set, "auto_reconnect" ) && set_getbool( &a->set, "auto_reconnect" ) && ( delay = account_reconnect_delay( a ) ) > 0 ) { @@ -376,27 +363,20 @@ void imc_logout( struct im_connection *ic, int allow_reconnect ) imc_free( ic ); } - -/* dialogs.c */ - void imcb_ask( struct im_connection *ic, char *msg, void *data, query_callback doit, query_callback dont ) { - query_add( ic->irc, ic, msg, doit, dont, data ); + query_add( (irc_t *) ic->bee->ui_data, ic, msg, doit, dont, data ); } - -/* list.c */ - void imcb_add_buddy( struct im_connection *ic, const char *handle, const char *group ) { - user_t *u; - char nick[MAX_NICK_LENGTH+1], *s; - irc_t *irc = ic->irc; + bee_user_t *bu; + bee_t *bee = ic->bee; - if( user_findhandle( ic, handle ) ) + if( bee_user_by_handle( bee, ic, handle ) ) { - if( set_getbool( &irc->set, "debug" ) ) + if( set_getbool( &bee->set, "debug" ) ) imcb_log( ic, "User already exists, ignoring add request: %s", handle ); return; @@ -407,108 +387,37 @@ void imcb_add_buddy( struct im_connection *ic, const char *handle, const char *g even support groups so let's silently ignore this for now. */ } - memset( nick, 0, MAX_NICK_LENGTH + 1 ); - strcpy( nick, nick_get( ic->acc, handle ) ); - - u = user_add( ic->irc, nick ); - -// if( !realname || !*realname ) realname = nick; -// u->realname = g_strdup( realname ); - - if( ( s = strchr( handle, '@' ) ) ) - { - u->host = g_strdup( s + 1 ); - u->user = g_strndup( handle, s - handle ); - } - else if( ic->acc->server ) - { - u->host = g_strdup( ic->acc->server ); - u->user = g_strdup( handle ); - - /* s/ /_/ ... important for AOL screennames */ - for( s = u->user; *s; s ++ ) - if( *s == ' ' ) - *s = '_'; - } - else - { - u->host = g_strdup( ic->acc->prpl->name ); - u->user = g_strdup( handle ); - } - - u->ic = ic; - u->handle = g_strdup( handle ); - if( group ) u->group = g_strdup( group ); - u->send_handler = buddy_send_handler; - u->last_typing_notice = 0; -} - -struct buddy *imcb_find_buddy( struct im_connection *ic, char *handle ) -{ - static struct buddy b[1]; - user_t *u; - - u = user_findhandle( ic, handle ); - - if( !u ) - return( NULL ); - - memset( b, 0, sizeof( b ) ); - strncpy( b->name, handle, 80 ); - strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN ); - b->present = u->online; - b->ic = u->ic; - - return( b ); + bu = bee_user_new( bee, ic, handle ); + bu->group = g_strdup( group ); } -void imcb_rename_buddy( struct im_connection *ic, const char *handle, const char *realname ) +void imcb_rename_buddy( struct im_connection *ic, const char *handle, const char *fullname ) { - user_t *u = user_findhandle( ic, handle ); - char *set; + bee_t *bee = ic->bee; + bee_user_t *bu = bee_user_by_handle( bee, ic, handle ); - if( !u || !realname ) return; + if( !bu || !fullname ) return; - if( g_strcasecmp( u->realname, realname ) != 0 ) + if( !bu->fullname || strcmp( bu->fullname, fullname ) != 0 ) { - if( u->realname != u->nick ) g_free( u->realname ); - - u->realname = g_strdup( realname ); + g_free( bu->fullname ); + bu->fullname = g_strdup( fullname ); - if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) ) - imcb_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname ); - } - - set = set_getstr( &ic->acc->set, "nick_source" ); - if( strcmp( set, "handle" ) != 0 ) - { - char *name = g_strdup( realname ); - - if( strcmp( set, "first_name" ) == 0 ) - { - int i; - for( i = 0; name[i] && !isspace( name[i] ); i ++ ) {} - name[i] = '\0'; - } - - imcb_buddy_nick_hint( ic, handle, name ); - - g_free( name ); + if( bee->ui->user_fullname ) + bee->ui->user_fullname( bee, bu ); } } void imcb_remove_buddy( struct im_connection *ic, const char *handle, char *group ) { - user_t *u; - - if( ( u = user_findhandle( ic, handle ) ) ) - user_del( ic->irc, u->nick ); + bee_user_free( ic->bee, bee_user_by_handle( ic->bee, ic, handle ) ); } /* Mainly meant for ICQ (and now also for Jabber conferences) to allow IM modules to suggest a nickname for a handle. */ void imcb_buddy_nick_hint( struct im_connection *ic, const char *handle, const char *nick ) { +#if 0 user_t *u = user_findhandle( ic, handle ); char newnick[MAX_NICK_LENGTH+1], *orig_nick; @@ -523,7 +432,7 @@ void imcb_buddy_nick_hint( struct im_connection *ic, const char *handle, const c /* Some processing to make sure this string is a valid IRC nickname. */ nick_strip( newnick ); - if( set_getbool( &ic->irc->set, "lcnicks" ) ) + if( set_getbool( &ic->bee->set, "lcnicks" ) ) nick_lc( newnick ); if( strcmp( u->nick, newnick ) != 0 ) @@ -540,6 +449,7 @@ void imcb_buddy_nick_hint( struct im_connection *ic, const char *handle, const c g_free( orig_nick ); } } +#endif } @@ -584,7 +494,8 @@ void imcb_ask_auth( struct im_connection *ic, const char *handle, const char *re data->ic = ic; data->handle = g_strdup( handle ); - query_add( ic->irc, ic, s, imcb_ask_auth_cb_yes, imcb_ask_auth_cb_no, data ); + query_add( (irc_t *) ic->bee->ui_data, ic, s, + imcb_ask_auth_cb_yes, imcb_ask_auth_cb_no, data ); } @@ -609,195 +520,25 @@ void imcb_ask_add( struct im_connection *ic, const char *handle, const char *rea char *s; /* TODO: Make a setting for this! */ - if( user_findhandle( ic, handle ) != NULL ) + if( bee_user_by_handle( ic->bee, ic, handle ) != NULL ) return; s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle ); data->ic = ic; data->handle = g_strdup( handle ); - query_add( ic->irc, ic, s, imcb_ask_add_cb_yes, imcb_ask_add_cb_no, data ); -} - - -/* server.c */ - -void imcb_buddy_status( struct im_connection *ic, const char *handle, int flags, const char *state, const char *message ) -{ - user_t *u; - int oa, oo; - - u = user_findhandle( ic, (char*) handle ); - - if( !u ) - { - if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 ) - { - imcb_add_buddy( ic, (char*) handle, NULL ); - u = user_findhandle( ic, (char*) handle ); - } - else - { - if( set_getbool( &ic->irc->set, "debug" ) || g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 ) - { - imcb_log( ic, "imcb_buddy_status() for unknown handle %s:", handle ); - imcb_log( ic, "flags = %d, state = %s, message = %s", flags, - state ? state : "NULL", message ? message : "NULL" ); - } - - return; - } - } - - oa = u->away != NULL; - oo = u->online; - - g_free( u->away ); - g_free( u->status_msg ); - u->away = u->status_msg = NULL; - - if( ( flags & OPT_LOGGED_IN ) && !u->online ) - { - irc_spawn( ic->irc, u ); - u->online = 1; - } - else if( !( flags & OPT_LOGGED_IN ) && u->online ) - { - struct groupchat *c; - - irc_kill( ic->irc, u ); - u->online = 0; - - /* Remove him/her from the groupchats to prevent PART messages after he/she QUIT already */ - for( c = ic->groupchats; c; c = c->next ) - remove_chat_buddy_silent( c, handle ); - } - - if( flags & OPT_AWAY ) - { - if( state && message ) - { - u->away = g_strdup_printf( "%s (%s)", state, message ); - } - else if( state ) - { - u->away = g_strdup( state ); - } - else if( message ) - { - u->away = g_strdup( message ); - } - else - { - u->away = g_strdup( "Away" ); - } - } - else - { - u->status_msg = g_strdup( message ); - } - - /* LISPy... */ - if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) && /* Don't do a thing when user doesn't want it */ - ( u->online ) && /* Don't touch offline people */ - ( ( ( u->online != oo ) && !u->away ) || /* Voice joining people */ - ( ( u->online == oo ) && ( oa == !u->away ) ) ) ) /* (De)voice people changing state */ - { - char *from; - - if( set_getbool( &ic->irc->set, "simulate_netsplit" ) ) - { - from = g_strdup( ic->irc->myhost ); - } - else - { - from = g_strdup_printf( "%s!%s@%s", ic->irc->mynick, ic->irc->mynick, - ic->irc->myhost ); - } - irc_write( ic->irc, ":%s MODE %s %cv %s", from, ic->irc->channel, - u->away?'-':'+', u->nick ); - g_free( from ); - } -} - -void imcb_buddy_msg( struct im_connection *ic, const char *handle, char *msg, uint32_t flags, time_t sent_at ) -{ - irc_t *irc = ic->irc; - char *wrapped, *ts = NULL; - user_t *u; - - u = user_findhandle( ic, handle ); - - if( !u ) - { - char *h = set_getstr( &irc->set, "handle_unknown" ); - - if( g_strcasecmp( h, "ignore" ) == 0 ) - { - if( set_getbool( &irc->set, "debug" ) ) - imcb_log( ic, "Ignoring message from unknown handle %s", handle ); - - return; - } - else if( g_strncasecmp( h, "add", 3 ) == 0 ) - { - int private = set_getbool( &irc->set, "private" ); - - if( h[3] ) - { - if( g_strcasecmp( h + 3, "_private" ) == 0 ) - private = 1; - else if( g_strcasecmp( h + 3, "_channel" ) == 0 ) - private = 0; - } - - imcb_add_buddy( ic, handle, NULL ); - u = user_findhandle( ic, handle ); - u->is_private = private; - } - else - { - imcb_log( ic, "Message from unknown handle %s:", handle ); - u = user_find( irc, irc->mynick ); - } - } - - if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) || - ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) ) - strip_html( msg ); - - if( set_getbool( &ic->irc->set, "display_timestamps" ) && - ( ts = format_timestamp( irc, sent_at ) ) ) - { - char *new = g_strconcat( ts, msg, NULL ); - g_free( ts ); - ts = msg = new; - } - - wrapped = word_wrap( msg, 425 ); - irc_msgfrom( irc, u->nick, wrapped ); - g_free( wrapped ); - g_free( ts ); + query_add( (irc_t *) ic->bee->ui_data, ic, s, + imcb_ask_add_cb_yes, imcb_ask_add_cb_no, data ); } -void imcb_buddy_typing( struct im_connection *ic, char *handle, uint32_t flags ) +struct bee_user *imcb_buddy_by_handle( struct im_connection *ic, const char *handle ) { - user_t *u; - - if( !set_getbool( &ic->irc->set, "typing_notice" ) ) - return; - - if( ( u = user_findhandle( ic, handle ) ) ) - { - char buf[256]; - - g_snprintf( buf, 256, "\1TYPING %d\1", ( flags >> 8 ) & 3 ); - irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf ); - } + return bee_user_by_handle( ic->bee, ic, handle ); } struct groupchat *imcb_chat_new( struct im_connection *ic, const char *handle ) { +#if 0 struct groupchat *c; /* This one just creates the conversation structure, user won't see anything yet */ @@ -815,14 +556,17 @@ struct groupchat *imcb_chat_new( struct im_connection *ic, const char *handle ) c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ ); c->topic = g_strdup_printf( "BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", c->title ); - if( set_getbool( &ic->irc->set, "debug" ) ) + if( set_getbool( &ic->bee->set, "debug" ) ) imcb_log( ic, "Creating new conversation: (id=%p,handle=%s)", c, handle ); return c; +#endif + return NULL; } void imcb_chat_name_hint( struct groupchat *c, const char *name ) { +#if 0 if( !c->joined ) { struct im_connection *ic = c->ic; @@ -848,15 +592,17 @@ void imcb_chat_name_hint( struct groupchat *c, const char *name ) g_free( full_name ); } } +#endif } void imcb_chat_free( struct groupchat *c ) { +#if 0 struct im_connection *ic = c->ic; struct groupchat *l; GList *ir; - if( set_getbool( &ic->irc->set, "debug" ) ) + if( set_getbool( &ic->bee->set, "debug" ) ) imcb_log( ic, "You were removed from conversation %p", c ); if( c ) @@ -889,10 +635,12 @@ void imcb_chat_free( struct groupchat *c ) g_free( c->topic ); g_free( c ); } +#endif } void imcb_chat_msg( struct groupchat *c, const char *who, char *msg, uint32_t flags, time_t sent_at ) { +#if 0 struct im_connection *ic = c->ic; char *wrapped; user_t *u; @@ -903,8 +651,8 @@ void imcb_chat_msg( struct groupchat *c, const char *who, char *msg, uint32_t fl u = user_findhandle( ic, who ); - if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) || - ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) ) + if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) || + ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) ) strip_html( msg ); wrapped = word_wrap( msg, 425 ); @@ -921,10 +669,12 @@ void imcb_chat_msg( struct groupchat *c, const char *who, char *msg, uint32_t fl imcb_log( ic, "Message from/to conversation %s@%p (unknown conv/user): %s", who, c, wrapped ); } g_free( wrapped ); +#endif } void imcb_chat_log( struct groupchat *c, char *format, ... ) { +#if 0 irc_t *irc = c->ic->irc; va_list params; char *text; @@ -939,10 +689,12 @@ void imcb_chat_log( struct groupchat *c, char *format, ... ) irc_privmsg( irc, u, "PRIVMSG", c->channel, "System message: ", text ); g_free( text ); +#endif } void imcb_chat_topic( struct groupchat *c, char *who, char *topic, time_t set_at ) { +#if 0 struct im_connection *ic = c->ic; user_t *u = NULL; @@ -953,8 +705,8 @@ void imcb_chat_topic( struct groupchat *c, char *who, char *topic, time_t set_at else u = user_findhandle( ic, who ); - if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) || - ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) ) + if( ( g_strcasecmp( set_getstr( &ic->bee->set, "strip_html" ), "always" ) == 0 ) || + ( ( ic->flags & OPT_DOES_HTML ) && set_getbool( &ic->bee->set, "strip_html" ) ) ) strip_html( topic ); g_free( c->topic ); @@ -962,17 +714,16 @@ void imcb_chat_topic( struct groupchat *c, char *who, char *topic, time_t set_at if( c->joined && u ) irc_write( ic->irc, ":%s!%s@%s TOPIC %s :%s", u->nick, u->user, u->host, c->channel, topic ); +#endif } - -/* buddy_chat.c */ - void imcb_chat_add_buddy( struct groupchat *b, const char *handle ) { +#if 0 user_t *u = user_findhandle( b->ic, handle ); int me = 0; - if( set_getbool( &b->ic->irc->set, "debug" ) ) + if( set_getbool( &b->ic->bee->set, "debug" ) ) imcb_log( b->ic, "User %s added to conversation %p", handle, b ); /* It might be yourself! */ @@ -999,15 +750,17 @@ void imcb_chat_add_buddy( struct groupchat *b, const char *handle ) irc_join( b->ic->irc, u, b->channel ); b->in_room = g_list_append( b->in_room, g_strdup( handle ) ); } +#endif } /* This function is one BIG hack... :-( EREWRITE */ void imcb_chat_remove_buddy( struct groupchat *b, const char *handle, const char *reason ) { +#if 0 user_t *u; int me = 0; - if( set_getbool( &b->ic->irc->set, "debug" ) ) + if( set_getbool( &b->ic->bee->set, "debug" ) ) imcb_log( b->ic, "User %s removed from conversation %p (%s)", handle, b, reason ? reason : "" ); /* It might be yourself! */ @@ -1027,8 +780,10 @@ void imcb_chat_remove_buddy( struct groupchat *b, const char *handle, const char if( me || ( remove_chat_buddy_silent( b, handle ) && b->joined && u ) ) irc_part( b->ic->irc, u, b->channel ); +#endif } +#if 0 static int remove_chat_buddy_silent( struct groupchat *b, const char *handle ) { GList *i; @@ -1047,12 +802,13 @@ static int remove_chat_buddy_silent( struct groupchat *b, const char *handle ) i = i->next; } - return( 0 ); + return 0; } +#endif /* Misc. BitlBee stuff which shouldn't really be here */ - +#if 0 char *set_eval_away_devoice( set_t *set, char *value ) { irc_t *irc = set->data; @@ -1065,7 +821,7 @@ char *set_eval_away_devoice( set_t *set, char *value ) /* Horror.... */ - if( st != set_getbool( &irc->set, "away_devoice" ) ) + if( st != set_getbool( &irc->b->set, "away_devoice" ) ) { char list[80] = ""; user_t *u = irc->users; @@ -1107,116 +863,11 @@ char *set_eval_away_devoice( set_t *set, char *value ) return value; } - -char *set_eval_timezone( set_t *set, char *value ) -{ - char *s; - - if( strcmp( value, "local" ) == 0 || - strcmp( value, "gmt" ) == 0 || strcmp( value, "utc" ) == 0 ) - return value; - - /* Otherwise: +/- at the beginning optional, then one or more numbers, - possibly followed by a colon and more numbers. Don't bother bound- - checking them since users are free to shoot themselves in the foot. */ - s = value; - if( *s == '+' || *s == '-' ) - s ++; - - /* \d+ */ - if( !isdigit( *s ) ) - return SET_INVALID; - while( *s && isdigit( *s ) ) s ++; - - /* EOS? */ - if( *s == '\0' ) - return value; - - /* Otherwise, colon */ - if( *s != ':' ) - return SET_INVALID; - s ++; - - /* \d+ */ - if( !isdigit( *s ) ) - return SET_INVALID; - while( *s && isdigit( *s ) ) s ++; - - /* EOS */ - return *s == '\0' ? value : SET_INVALID; -} - -static char *format_timestamp( irc_t *irc, time_t msg_ts ) -{ - time_t now_ts = time( NULL ); - struct tm now, msg; - char *set; - - /* If the timestamp is <= 0 or less than a minute ago, discard it as - it doesn't seem to add to much useful info and/or might be noise. */ - if( msg_ts <= 0 || msg_ts > now_ts - 60 ) - return NULL; - - set = set_getstr( &irc->set, "timezone" ); - if( strcmp( set, "local" ) == 0 ) - { - localtime_r( &now_ts, &now ); - localtime_r( &msg_ts, &msg ); - } - else - { - int hr, min = 0, sign = 60; - - if( set[0] == '-' ) - { - sign *= -1; - set ++; - } - else if( set[0] == '+' ) - { - set ++; - } - - if( sscanf( set, "%d:%d", &hr, &min ) >= 1 ) - { - msg_ts += sign * ( hr * 60 + min ); - now_ts += sign * ( hr * 60 + min ); - } - - gmtime_r( &now_ts, &now ); - gmtime_r( &msg_ts, &msg ); - } - - if( msg.tm_year == now.tm_year && msg.tm_yday == now.tm_yday ) - return g_strdup_printf( "\x02[\x02\x02\x02%02d:%02d:%02d\x02]\x02 ", - msg.tm_hour, msg.tm_min, msg.tm_sec ); - else - return g_strdup_printf( "\x02[\x02\x02\x02%04d-%02d-%02d " - "%02d:%02d:%02d\x02]\x02 ", - msg.tm_year + 1900, msg.tm_mon, msg.tm_mday, - msg.tm_hour, msg.tm_min, msg.tm_sec ); -} +#endif /* The plan is to not allow straight calls to prpl functions anymore, but do them all from some wrappers. We'll start to define some down here: */ -int imc_buddy_msg( struct im_connection *ic, char *handle, char *msg, int flags ) -{ - char *buf = NULL; - int st; - - if( ( ic->flags & OPT_DOES_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) ) - { - buf = escape_html( msg ); - msg = buf; - } - - st = ic->acc->prpl->buddy_msg( ic, handle, msg, flags ); - g_free( buf ); - - return st; -} - int imc_chat_msg( struct groupchat *c, char *msg, int flags ) { char *buf = NULL; @@ -1244,7 +895,7 @@ int imc_away_send_update( struct im_connection *ic ) return 0; away = set_getstr( &ic->acc->set, "away" ) ? - : set_getstr( &ic->irc->set, "away" ); + : set_getstr( &ic->bee->set, "away" ); if( away && *away ) { GList *m = ic->acc->prpl->away_states( ic ); @@ -1255,7 +906,7 @@ int imc_away_send_update( struct im_connection *ic ) { away = NULL; msg = set_getstr( &ic->acc->set, "status" ) ? - : set_getstr( &ic->irc->set, "status" ); + : set_getstr( &ic->bee->set, "status" ); } ic->acc->prpl->set_away( ic, away, msg ); diff --git a/protocols/nogaim.h b/protocols/nogaim.h index 48a80413..6632827c 100644 --- a/protocols/nogaim.h +++ b/protocols/nogaim.h @@ -1,7 +1,7 @@ /********************************************************************\ * BitlBee -- An IRC to other IM-networks gateway * * * - * Copyright 2002-2004 Wilmer van der Gaast and others * + * Copyright 2002-2010 Wilmer van der Gaast and others * \********************************************************************/ /* @@ -44,6 +44,8 @@ #include "account.h" #include "proxy.h" #include "query.h" +#include "md5.h" +#include "ft.h" #define BUDDY_ALIAS_MAXLEN 388 /* because MSN names can be 387 characters */ @@ -84,7 +86,7 @@ struct im_connection int evil; /* BitlBee */ - irc_t *irc; + bee_t *bee; struct groupchat *groupchats; }; @@ -227,6 +229,9 @@ struct prpl { /* Implement these callbacks if you want to use imcb_ask_auth() */ void (* auth_allow) (struct im_connection *, const char *who); void (* auth_deny) (struct im_connection *, const char *who); + + /* Incoming transfer request */ + void (* transfer_request) (struct im_connection *, file_transfer_t *ft, char *handle ); }; /* im_api core stuff. */ @@ -280,16 +285,8 @@ G_MODULE_EXPORT struct buddy *imcb_find_buddy( struct im_connection *ic, char *h G_MODULE_EXPORT void imcb_rename_buddy( struct im_connection *ic, const char *handle, const char *realname ); G_MODULE_EXPORT void imcb_buddy_nick_hint( struct im_connection *ic, const char *handle, const char *nick ); -/* Buddy activity */ -/* To manipulate the status of a handle. - * - flags can be |='d with OPT_* constants. You will need at least: - * OPT_LOGGED_IN and OPT_AWAY. - * - 'state' and 'message' can be NULL */ -G_MODULE_EXPORT void imcb_buddy_status( struct im_connection *ic, const char *handle, int flags, const char *state, const char *message ); -/* Not implemented yet! */ G_MODULE_EXPORT void imcb_buddy_times( struct im_connection *ic, const char *handle, time_t login, time_t idle ); -/* Call when a handle says something. 'flags' and 'sent_at may be just 0. */ -G_MODULE_EXPORT void imcb_buddy_msg( struct im_connection *ic, const char *handle, char *msg, uint32_t flags, time_t sent_at ); G_MODULE_EXPORT void imcb_buddy_typing( struct im_connection *ic, char *handle, uint32_t flags ); +G_MODULE_EXPORT struct bee_user *imcb_buddy_by_handle( struct im_connection *ic, const char *handle ); G_MODULE_EXPORT void imcb_clean_handle( struct im_connection *ic, char *handle ); /* Groupchats */ @@ -315,7 +312,6 @@ G_MODULE_EXPORT void imcb_chat_free( struct groupchat *c ); /* Actions, or whatever. */ int imc_away_send_update( struct im_connection *ic ); -int imc_buddy_msg( struct im_connection *ic, char *handle, char *msg, int flags ); int imc_chat_msg( struct groupchat *c, char *msg, int flags ); void imc_add_allow( struct im_connection *ic, char *handle ); @@ -324,7 +320,6 @@ void imc_add_block( struct im_connection *ic, char *handle ); void imc_rem_block( struct im_connection *ic, char *handle ); /* Misc. stuff */ -char *set_eval_timezone( set_t *set, char *value ); char *set_eval_away_devoice( set_t *set, char *value ); gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond ); void cancel_auto_reconnect( struct account *a ); diff --git a/protocols/oscar/oscar.c b/protocols/oscar/oscar.c index e0c32257..a5ca1ac8 100644 --- a/protocols/oscar/oscar.c +++ b/protocols/oscar/oscar.c @@ -1189,8 +1189,7 @@ static void gaim_icq_authgrant(void *data_) { message = 0; aim_ssi_auth_reply(od->sess, od->conn, uin, 1, ""); // aim_send_im_ch4(od->sess, uin, AIM_ICQMSG_AUTHGRANTED, &message); - if(imcb_find_buddy(data->ic, uin) == NULL) - imcb_ask_add(data->ic, uin, NULL); + imcb_ask_add(data->ic, uin, NULL); g_free(uin); g_free(data); @@ -1951,11 +1950,13 @@ static void oscar_get_info(struct im_connection *g, char *name) { static void oscar_get_away(struct im_connection *g, char *who) { struct oscar_data *odata = (struct oscar_data *)g->proto_data; if (odata->icq) { + /** FIXME(wilmer): Hmm, lost the ability to get away msgs here, do we care to get that back? struct buddy *budlight = imcb_find_buddy(g, who); if (budlight) if ((budlight->uc & 0xff80) >> 7) if (budlight->caps & AIM_CAPS_ICQSERVERRELAY) aim_send_im_ch2_geticqmessage(odata->sess, who, (budlight->uc & 0xff80) >> 7); + */ } else aim_getinfo(odata->sess, odata->conn, who, AIM_GETINFO_AWAYMESSAGE); } @@ -2093,7 +2094,7 @@ static int gaim_ssi_parselist(aim_session_t *sess, aim_frame_t *fr, ...) { switch (curitem->type) { case 0x0000: /* Buddy */ - if ((curitem->name) && (!imcb_find_buddy(ic, nrm))) { + if ((curitem->name) && (!imcb_buddy_by_handle(ic, nrm))) { char *realname = NULL; if (curitem->data && aim_gettlv(curitem->data, 0x0131, 1)) diff --git a/protocols/twitter/twitter_lib.c b/protocols/twitter/twitter_lib.c index 081612ac..b6863c02 100644 --- a/protocols/twitter/twitter_lib.c +++ b/protocols/twitter/twitter_lib.c @@ -102,7 +102,7 @@ static void twitter_add_buddy(struct im_connection *ic, char *name, const char * struct twitter_data *td = ic->proto_data; // Check if the buddy is allready in the buddy list. - if (!imcb_find_buddy( ic, name )) + if (!bee_user_by_handle( ic->bee, ic, name )) { // The buddy is not in the list, add the buddy and set the status to logged in. imcb_add_buddy( ic, name, NULL ); |