diff options
Diffstat (limited to 'protocols/msn/msn_util.c')
-rw-r--r-- | protocols/msn/msn_util.c | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/protocols/msn/msn_util.c b/protocols/msn/msn_util.c new file mode 100644 index 00000000..7fa68915 --- /dev/null +++ b/protocols/msn/msn_util.c @@ -0,0 +1,590 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* MSN module - Miscellaneous utilities */ + +/* + 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 "nogaim.h" +#include "msn.h" +#include "md5.h" +#include "soap.h" +#include <ctype.h> + +int msn_logged_in( struct im_connection *ic ) +{ + imcb_connected( ic ); + + return( 0 ); +} + +static char *adlrml_entry( const char *handle_, msn_buddy_flags_t list ) +{ + char *domain, handle[strlen(handle_)+1]; + + strcpy( handle, handle_ ); + if( ( domain = strchr( handle, '@' ) ) ) + *(domain++) = '\0'; + else + return NULL; + + return g_markup_printf_escaped( "<ml><d n=\"%s\"><c n=\"%s\" l=\"%d\" t=\"1\"/></d></ml>", + domain, handle, list ); +} + +int msn_buddy_list_add( struct im_connection *ic, msn_buddy_flags_t list, const char *who, const char *realname, const char *group ) +{ + struct msn_data *md = ic->proto_data; + char groupid[8]; + bee_user_t *bu; + struct msn_buddy_data *bd; + char *adl; + + *groupid = '\0'; +#if 0 + if( group ) + { + int i; + for( i = 0; i < md->groupcount; i ++ ) + if( g_strcasecmp( md->grouplist[i], group ) == 0 ) + { + g_snprintf( groupid, sizeof( groupid ), " %d", i ); + break; + } + + if( *groupid == '\0' ) + { + /* Have to create this group, it doesn't exist yet. */ + struct msn_groupadd *ga; + GSList *l; + + for( l = md->grpq; l; l = l->next ) + { + ga = l->data; + if( g_strcasecmp( ga->group, group ) == 0 ) + break; + } + + ga = g_new0( struct msn_groupadd, 1 ); + ga->who = g_strdup( who ); + ga->group = g_strdup( group ); + md->grpq = g_slist_prepend( md->grpq, ga ); + + if( l == NULL ) + { + char groupname[strlen(group)+1]; + strcpy( groupname, group ); + http_encode( groupname ); + g_snprintf( buf, sizeof( buf ), "ADG %d %s %d\r\n", ++md->trId, groupname, 0 ); + return msn_write( ic, buf, strlen( buf ) ); + } + else + { + /* This can happen if the user's doing lots of adds to a + new group at once; we're still waiting for the server + to confirm group creation. */ + return 1; + } + } + } +#endif + + if( !( ( bu = bee_user_by_handle( ic->bee, ic, who ) ) || + ( bu = bee_user_new( ic->bee, ic, who, 0 ) ) ) || + !( bd = bu->data ) || bd->flags & list ) + return 1; + + bd->flags |= list; + + if( list == MSN_BUDDY_FL ) + msn_soap_ab_contact_add( ic, bu ); + else + msn_soap_memlist_edit( ic, who, TRUE, list ); + + if( ( adl = adlrml_entry( who, list ) ) ) + { + int st = msn_ns_write( ic, -1, "ADL %d %zd\r\n%s", + ++md->trId, strlen( adl ), adl ); + g_free( adl ); + + return st; + } + + return 1; +} + +int msn_buddy_list_remove( struct im_connection *ic, msn_buddy_flags_t list, const char *who, const char *group ) +{ + struct msn_data *md = ic->proto_data; + char groupid[8]; + bee_user_t *bu; + struct msn_buddy_data *bd; + char *adl; + + *groupid = '\0'; +#if 0 + if( group ) + { + int i; + for( i = 0; i < md->groupcount; i ++ ) + if( g_strcasecmp( md->grouplist[i], group ) == 0 ) + { + g_snprintf( groupid, sizeof( groupid ), " %d", i ); + break; + } + } +#endif + + if( !( bu = bee_user_by_handle( ic->bee, ic, who ) ) || + !( bd = bu->data ) || !( bd->flags & list ) ) + return 1; + + bd->flags &= ~list; + + if( list == MSN_BUDDY_FL ) + msn_soap_ab_contact_del( ic, bu ); + else + msn_soap_memlist_edit( ic, who, FALSE, list ); + + if( ( adl = adlrml_entry( who, list ) ) ) + { + int st = msn_ns_write( ic, -1, "RML %d %zd\r\n%s", + ++md->trId, strlen( adl ), adl ); + g_free( adl ); + + return st; + } + + return 1; +} + +struct msn_buddy_ask_data +{ + struct im_connection *ic; + char *handle; + char *realname; +}; + +static void msn_buddy_ask_yes( void *data ) +{ + struct msn_buddy_ask_data *bla = data; + + msn_buddy_list_add( bla->ic, MSN_BUDDY_AL, bla->handle, bla->realname, NULL ); + + imcb_ask_add( bla->ic, bla->handle, NULL ); + + g_free( bla->handle ); + g_free( bla->realname ); + g_free( bla ); +} + +static void msn_buddy_ask_no( void *data ) +{ + struct msn_buddy_ask_data *bla = data; + + msn_buddy_list_add( bla->ic, MSN_BUDDY_BL, bla->handle, bla->realname, NULL ); + + g_free( bla->handle ); + g_free( bla->realname ); + g_free( bla ); +} + +void msn_buddy_ask( bee_user_t *bu ) +{ + struct msn_buddy_ask_data *bla; + struct msn_buddy_data *bd = bu->data; + char buf[1024]; + + if( ( bd->flags & 30 ) != 8 && ( bd->flags & 30 ) != 16 ) + return; + + bla = g_new0( struct msn_buddy_ask_data, 1 ); + bla->ic = bu->ic; + bla->handle = g_strdup( bu->handle ); + bla->realname = g_strdup( bu->fullname ); + + g_snprintf( buf, sizeof( buf ), + "The user %s (%s) wants to add you to his/her buddy list.", + bu->handle, bu->fullname ); + imcb_ask( bu->ic, buf, bla, msn_buddy_ask_yes, msn_buddy_ask_no ); +} + +char *msn_findheader( char *text, char *header, int len ) +{ + int hlen = strlen( header ), i; + char *ret; + + if( len == 0 ) + len = strlen( text ); + + i = 0; + while( ( i + hlen ) < len ) + { + /* Maybe this is a bit over-commented, but I just hate this part... */ + if( g_strncasecmp( text + i, header, hlen ) == 0 ) + { + /* Skip to the (probable) end of the header */ + i += hlen; + + /* Find the first non-[: \t] character */ + while( i < len && ( text[i] == ':' || text[i] == ' ' || text[i] == '\t' ) ) i ++; + + /* Make sure we're still inside the string */ + if( i >= len ) return( NULL ); + + /* Save the position */ + ret = text + i; + + /* Search for the end of this line */ + while( i < len && text[i] != '\r' && text[i] != '\n' ) i ++; + + /* Make sure we're still inside the string */ + if( i >= len ) return( NULL ); + + /* Copy the found data */ + return( g_strndup( ret, text + i - ret ) ); + } + + /* This wasn't the header we were looking for, skip to the next line. */ + while( i < len && ( text[i] != '\r' && text[i] != '\n' ) ) i ++; + while( i < len && ( text[i] == '\r' || text[i] == '\n' ) ) i ++; + + /* End of headers? */ + if( ( i >= 4 && strncmp( text + i - 4, "\r\n\r\n", 4 ) == 0 ) || + ( i >= 2 && ( strncmp( text + i - 2, "\n\n", 2 ) == 0 || + strncmp( text + i - 2, "\r\r", 2 ) == 0 ) ) ) + { + break; + } + } + + return( NULL ); +} + +/* *NOT* thread-safe, but that's not a problem for now... */ +char **msn_linesplit( char *line ) +{ + static char **ret = NULL; + static int size = 3; + int i, n = 0; + + if( ret == NULL ) + ret = g_new0( char*, size ); + + for( i = 0; line[i] && line[i] == ' '; i ++ ); + if( line[i] ) + { + ret[n++] = line + i; + for( i ++; line[i]; i ++ ) + { + if( line[i] == ' ' ) + line[i] = 0; + else if( line[i] != ' ' && !line[i-1] ) + ret[n++] = line + i; + + if( n >= size ) + ret = g_renew( char*, ret, size += 2 ); + } + } + ret[n] = NULL; + + return( ret ); +} + +/* This one handles input from a MSN Messenger server. Both the NS and SB servers usually give + commands, but sometimes they give additional data (payload). This function tries to handle + this all in a nice way and send all data to the right places. */ + +/* Return values: -1: Read error, abort connection. + 0: Command reported error; Abort *immediately*. (The connection does not exist anymore) + 1: OK */ + +int msn_handler( struct msn_handler_data *h ) +{ + int st; + + h->rxq = g_renew( char, h->rxq, h->rxlen + 1024 ); + st = read( h->fd, h->rxq + h->rxlen, 1024 ); + h->rxlen += st; + + if( st <= 0 ) + return( -1 ); + + if( getenv( "BITLBEE_DEBUG" ) ) + { + write( 2, "->C:", 4 ); + write( 2, h->rxq + h->rxlen - st, st ); + } + + while( st ) + { + int i; + + if( h->msglen == 0 ) + { + for( i = 0; i < h->rxlen; i ++ ) + { + if( h->rxq[i] == '\r' || h->rxq[i] == '\n' ) + { + char *cmd_text, **cmd; + int count; + + cmd_text = g_strndup( h->rxq, i ); + cmd = msn_linesplit( cmd_text ); + for( count = 0; cmd[count]; count ++ ); + st = h->exec_command( h, cmd, count ); + g_free( cmd_text ); + + /* If the connection broke, don't continue. We don't even exist anymore. */ + if( !st ) + return( 0 ); + + if( h->msglen ) + h->cmd_text = g_strndup( h->rxq, i ); + + /* Skip to the next non-emptyline */ + while( i < h->rxlen && ( h->rxq[i] == '\r' || h->rxq[i] == '\n' ) ) i ++; + + break; + } + } + + /* If we reached the end of the buffer, there's still an incomplete command there. + Return and wait for more data. */ + if( i == h->rxlen && h->rxq[i-1] != '\r' && h->rxq[i-1] != '\n' ) + break; + } + else + { + char *msg, **cmd; + int count; + + /* Do we have the complete message already? */ + if( h->msglen > h->rxlen ) + break; + + msg = g_strndup( h->rxq, h->msglen ); + cmd = msn_linesplit( h->cmd_text ); + for( count = 0; cmd[count]; count ++ ); + + st = h->exec_message( h, msg, h->msglen, cmd, count ); + g_free( msg ); + g_free( h->cmd_text ); + h->cmd_text = NULL; + + if( !st ) + return( 0 ); + + i = h->msglen; + h->msglen = 0; + } + + /* More data after this block? */ + if( i < h->rxlen ) + { + char *tmp; + + tmp = g_memdup( h->rxq + i, h->rxlen - i ); + g_free( h->rxq ); + h->rxq = tmp; + h->rxlen -= i; + i = 0; + } + else + /* If not, reset the rx queue and get lost. */ + { + g_free( h->rxq ); + h->rxq = g_new0( char, 1 ); + h->rxlen = 0; + return( 1 ); + } + } + + return( 1 ); +} + +void msn_msgq_purge( struct im_connection *ic, GSList **list ) +{ + struct msn_message *m; + GString *ret; + GSList *l; + int n = 0; + + l = *list; + if( l == NULL ) + return; + + m = l->data; + ret = g_string_sized_new( 1024 ); + g_string_printf( ret, "Warning: Cleaning up MSN (switchboard) connection with unsent " + "messages to %s:", m->who ? m->who : "unknown recipient" ); + + while( l ) + { + m = l->data; + + if( strncmp( m->text, "\r\r\r", 3 ) != 0 ) + { + g_string_append_printf( ret, "\n%s", m->text ); + n ++; + } + + g_free( m->who ); + g_free( m->text ); + g_free( m ); + + l = l->next; + } + g_slist_free( *list ); + *list = NULL; + + if( n > 0 ) + imcb_log( ic, "%s", ret->str ); + g_string_free( ret, TRUE ); +} + +/* Copied and heavily modified from http://tmsnc.sourceforge.net/chl.c */ +char *msn_p11_challenge( char *challenge ) +{ + char *output, buf[256]; + md5_state_t md5c; + unsigned char md5Hash[16], *newHash; + unsigned int *md5Parts, *chlStringParts, newHashParts[5]; + long long nHigh = 0, nLow = 0; + int i, n; + + /* Create the MD5 hash */ + md5_init(&md5c); + md5_append(&md5c, (unsigned char*) challenge, strlen(challenge)); + md5_append(&md5c, (unsigned char*) MSNP11_PROD_KEY, strlen(MSNP11_PROD_KEY)); + md5_finish(&md5c, md5Hash); + + /* Split it into four integers */ + md5Parts = (unsigned int *)md5Hash; + for (i = 0; i < 4; i ++) + { + md5Parts[i] = GUINT32_TO_LE(md5Parts[i]); + + /* & each integer with 0x7FFFFFFF */ + /* and save one unmodified array for later */ + newHashParts[i] = md5Parts[i]; + md5Parts[i] &= 0x7FFFFFFF; + } + + /* make a new string and pad with '0' */ + n = g_snprintf(buf, sizeof(buf)-5, "%s%s00000000", challenge, MSNP11_PROD_ID); + /* truncate at an 8-byte boundary */ + buf[n&=~7] = '\0'; + + /* split into integers */ + chlStringParts = (unsigned int *)buf; + + /* this is magic */ + for (i = 0; i < (n / 4) - 1; i += 2) + { + long long temp; + + chlStringParts[i] = GUINT32_TO_LE(chlStringParts[i]); + chlStringParts[i+1] = GUINT32_TO_LE(chlStringParts[i+1]); + + temp = (md5Parts[0] * (((0x0E79A9C1 * (long long)chlStringParts[i]) % 0x7FFFFFFF)+nHigh) + md5Parts[1])%0x7FFFFFFF; + nHigh = (md5Parts[2] * (((long long)chlStringParts[i+1]+temp) % 0x7FFFFFFF) + md5Parts[3]) % 0x7FFFFFFF; + nLow = nLow + nHigh + temp; + } + nHigh = (nHigh+md5Parts[1]) % 0x7FFFFFFF; + nLow = (nLow+md5Parts[3]) % 0x7FFFFFFF; + + newHashParts[0] ^= nHigh; + newHashParts[1] ^= nLow; + newHashParts[2] ^= nHigh; + newHashParts[3] ^= nLow; + + /* swap more bytes if big endian */ + for (i = 0; i < 4; i ++) + newHashParts[i] = GUINT32_TO_LE(newHashParts[i]); + + /* make a string of the parts */ + newHash = (unsigned char *)newHashParts; + + /* convert to hexadecimal */ + output = g_new(char, 33); + for (i = 0; i < 16; i ++) + sprintf(output + i * 2, "%02x", newHash[i]); + + return output; +} + +gint msn_domaintree_cmp( gconstpointer a_, gconstpointer b_ ) +{ + const char *a = a_, *b = b_; + gint ret; + + if( !( a = strchr( a, '@' ) ) || !( b = strchr( b, '@' ) ) || + ( ret = strcmp( a, b ) ) == 0 ) + ret = strcmp( a_, b_ ); + + return ret; +} + +struct msn_group *msn_group_by_name( struct im_connection *ic, const char *name ) +{ + struct msn_data *md = ic->proto_data; + GSList *l; + + for( l = md->groups; l; l = l->next ) + { + struct msn_group *mg = l->data; + + if( g_strcasecmp( mg->name, name ) == 0 ) + return mg; + } + + return NULL; +} + +struct msn_group *msn_group_by_id( struct im_connection *ic, const char *id ) +{ + struct msn_data *md = ic->proto_data; + GSList *l; + + for( l = md->groups; l; l = l->next ) + { + struct msn_group *mg = l->data; + + if( g_strcasecmp( mg->id, id ) == 0 ) + return mg; + } + + return NULL; +} + +int msn_ns_set_display_name( struct im_connection *ic, const char *value ) +{ + struct msn_data *md = ic->proto_data; + char fn[strlen(value)*3+1]; + + strcpy( fn, value ); + http_encode( fn ); + + /* Note: We don't actually know if the server accepted the new name, + and won't give proper feedback yet if it doesn't. */ + return msn_ns_write( ic, -1, "PRP %d MFN %s\r\n", ++md->trId, fn ); +} |