diff options
Diffstat (limited to 'nick.c')
| -rw-r--r-- | nick.c | 456 |
1 files changed, 210 insertions, 246 deletions
@@ -1,4 +1,4 @@ - /********************************************************************\ +/********************************************************************\ * BitlBee -- An IRC to other IM-networks gateway * * * * Copyright 2002-2012 Wilmer van der Gaast and others * @@ -33,243 +33,218 @@ static char *nick_lc_chars = "0123456789abcdefghijklmnopqrstuvwxyz{}^`-_|"; static char *nick_uc_chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ[]~`-_\\"; /* Store handles in lower case and strip spaces, because AIM is braindead. */ -static char *clean_handle( const char *orig ) +static char *clean_handle(const char *orig) { - char *new = g_malloc( strlen( orig ) + 1 ); + char *new = g_malloc(strlen(orig) + 1); int i = 0; - + do { - if (*orig != ' ') - new[i++] = g_ascii_tolower( *orig ); - } - while (*(orig++)); - + if (*orig != ' ') { + new[i++] = g_ascii_tolower(*orig); + } + } while (*(orig++)); + return new; } -void nick_set_raw( account_t *acc, const char *handle, const char *nick ) +void nick_set_raw(account_t *acc, const char *handle, const char *nick) { - char *store_handle, *store_nick = g_malloc( MAX_NICK_LENGTH + 1 ); + char *store_handle, *store_nick = g_malloc(MAX_NICK_LENGTH + 1); irc_t *irc = (irc_t *) acc->bee->ui_data; - - store_handle = clean_handle( handle ); + + store_handle = clean_handle(handle); store_nick[MAX_NICK_LENGTH] = '\0'; - strncpy( store_nick, nick, MAX_NICK_LENGTH ); - nick_strip( irc, store_nick ); - - g_hash_table_replace( acc->nicks, store_handle, store_nick ); + strncpy(store_nick, nick, MAX_NICK_LENGTH); + nick_strip(irc, store_nick); + + g_hash_table_replace(acc->nicks, store_handle, store_nick); } -void nick_set( bee_user_t *bu, const char *nick ) +void nick_set(bee_user_t *bu, const char *nick) { - nick_set_raw( bu->ic->acc, bu->handle, nick ); + nick_set_raw(bu->ic->acc, bu->handle, nick); } -char *nick_get( bee_user_t *bu ) +char *nick_get(bee_user_t *bu) { - static char nick[MAX_NICK_LENGTH+1]; + static char nick[MAX_NICK_LENGTH + 1]; char *store_handle, *found_nick; irc_t *irc = (irc_t *) bu->bee->ui_data; - - memset( nick, 0, MAX_NICK_LENGTH + 1 ); - - store_handle = clean_handle( bu->handle ); + + memset(nick, 0, MAX_NICK_LENGTH + 1); + + store_handle = clean_handle(bu->handle); /* Find out if we stored a nick for this person already. If not, try to generate a sane nick automatically. */ - if( ( found_nick = g_hash_table_lookup( bu->ic->acc->nicks, store_handle ) ) ) - { - strncpy( nick, found_nick, MAX_NICK_LENGTH ); - } - else if( ( found_nick = nick_gen( bu ) ) ) - { - strncpy( nick, found_nick, MAX_NICK_LENGTH ); - g_free( found_nick ); - } - else - { + if ((found_nick = g_hash_table_lookup(bu->ic->acc->nicks, store_handle))) { + strncpy(nick, found_nick, MAX_NICK_LENGTH); + } else if ((found_nick = nick_gen(bu))) { + strncpy(nick, found_nick, MAX_NICK_LENGTH); + g_free(found_nick); + } else { /* Keep this fallback since nick_gen() can return NULL in some cases. */ char *s; - - g_snprintf( nick, MAX_NICK_LENGTH, "%s", bu->handle ); - if( ( s = strchr( nick, '@' ) ) ) - while( *s ) + + g_snprintf(nick, MAX_NICK_LENGTH, "%s", bu->handle); + if ((s = strchr(nick, '@'))) { + while (*s) { *(s++) = 0; - - nick_strip( irc, nick ); - if( set_getbool( &bu->bee->set, "lcnicks" ) ) - nick_lc( irc, nick ); + } + } + + nick_strip(irc, nick); + if (set_getbool(&bu->bee->set, "lcnicks")) { + nick_lc(irc, nick); + } } - g_free( store_handle ); - + g_free(store_handle); + /* Make sure the nick doesn't collide with an existing one by adding underscores and that kind of stuff, if necessary. */ - nick_dedupe( bu, nick ); - + nick_dedupe(bu, nick); + return nick; } -char *nick_gen( bee_user_t *bu ) +char *nick_gen(bee_user_t *bu) { gboolean ok = FALSE; /* Set to true once the nick contains something unique. */ - GString *ret = g_string_sized_new( MAX_NICK_LENGTH + 1 ); + GString *ret = g_string_sized_new(MAX_NICK_LENGTH + 1); char *rets; irc_t *irc = (irc_t *) bu->bee->ui_data; - char *fmt = set_getstr( &bu->ic->acc->set, "nick_format" ) ? : - set_getstr( &bu->bee->set, "nick_format" ); - - while( fmt && *fmt && ret->len < MAX_NICK_LENGTH ) - { + char *fmt = set_getstr(&bu->ic->acc->set, "nick_format") ? : + set_getstr(&bu->bee->set, "nick_format"); + + while (fmt && *fmt && ret->len < MAX_NICK_LENGTH) { char *part = NULL, chop = '\0', *asc = NULL, *s; int len = INT_MAX; - - if( *fmt != '%' ) - { - g_string_append_c( ret, *fmt ); - fmt ++; + + if (*fmt != '%') { + g_string_append_c(ret, *fmt); + fmt++; continue; } - - fmt ++; - while( *fmt ) - { + + fmt++; + while (*fmt) { /* -char means chop off everything from char */ - if( *fmt == '-' ) - { + if (*fmt == '-') { chop = fmt[1]; - if( chop == '\0' ) - { - g_string_free( ret, TRUE ); + if (chop == '\0') { + g_string_free(ret, TRUE); return NULL; } fmt += 2; - } - else if( g_ascii_isdigit( *fmt ) ) - { + } else if (g_ascii_isdigit(*fmt)) { len = 0; /* Grab a number. */ - while( g_ascii_isdigit( *fmt ) ) - len = len * 10 + ( *(fmt++) - '0' ); - } - else if( g_strncasecmp( fmt, "nick", 4 ) == 0 ) - { + while (g_ascii_isdigit(*fmt)) { + len = len * 10 + (*(fmt++) - '0'); + } + } else if (g_strncasecmp(fmt, "nick", 4) == 0) { part = bu->nick ? : bu->handle; fmt += 4; ok |= TRUE; break; - } - else if( g_strncasecmp( fmt, "handle", 6 ) == 0 ) - { + } else if (g_strncasecmp(fmt, "handle", 6) == 0) { part = bu->handle; fmt += 6; ok |= TRUE; break; - } - else if( g_strncasecmp( fmt, "full_name", 9 ) == 0 ) - { + } else if (g_strncasecmp(fmt, "full_name", 9) == 0) { part = bu->fullname; fmt += 9; ok |= part && *part; break; - } - else if( g_strncasecmp( fmt, "first_name", 10 ) == 0 ) - { + } else if (g_strncasecmp(fmt, "first_name", 10) == 0) { part = bu->fullname; fmt += 10; ok |= part && *part; chop = ' '; break; - } - else if( g_strncasecmp( fmt, "group", 5 ) == 0 ) - { + } else if (g_strncasecmp(fmt, "group", 5) == 0) { part = bu->group ? bu->group->name : NULL; fmt += 5; break; - } - else if( g_strncasecmp( fmt, "account", 7 ) == 0 ) - { + } else if (g_strncasecmp(fmt, "account", 7) == 0) { part = bu->ic->acc->tag; fmt += 7; break; - } - else - { - g_string_free( ret, TRUE ); + } else { + g_string_free(ret, TRUE); return NULL; } } - - if( !part ) + + if (!part) { continue; - + } + /* Credits to Josay_ in #bitlbee for this idea. //TRANSLIT should do lossy/approximate conversions, so letters with accents don't just get stripped. Note that it depends on LC_CTYPE being set to something other than C/POSIX. */ - if( !( irc && irc->status & IRC_UTF8_NICKS ) ) - part = asc = g_convert_with_fallback( part, -1, "ASCII//TRANSLIT", - "UTF-8", "", NULL, NULL, NULL ); - - if( part && chop && ( s = strchr( part, chop ) ) ) - len = MIN( len, s - part ); - - if( part ) - { - if( len < INT_MAX ) - g_string_append_len( ret, part, len ); - else - g_string_append( ret, part ); + if (!(irc && irc->status & IRC_UTF8_NICKS)) { + part = asc = g_convert_with_fallback(part, -1, "ASCII//TRANSLIT", + "UTF-8", "", NULL, NULL, NULL); + } + + if (part && chop && (s = strchr(part, chop))) { + len = MIN(len, s - part); + } + + if (part) { + if (len < INT_MAX) { + g_string_append_len(ret, part, len); + } else { + g_string_append(ret, part); + } } - g_free( asc ); + g_free(asc); } - - rets = g_string_free( ret, FALSE ); - if( ok && rets && *rets ) - { - nick_strip( irc, rets ); - truncate_utf8( rets, MAX_NICK_LENGTH ); + + rets = g_string_free(ret, FALSE); + if (ok && rets && *rets) { + nick_strip(irc, rets); + truncate_utf8(rets, MAX_NICK_LENGTH); return rets; } - g_free( rets ); + g_free(rets); return NULL; } -void nick_dedupe( bee_user_t *bu, char nick[MAX_NICK_LENGTH+1] ) +void nick_dedupe(bee_user_t *bu, char nick[MAX_NICK_LENGTH + 1]) { - irc_t *irc = (irc_t*) bu->bee->ui_data; + irc_t *irc = (irc_t *) bu->bee->ui_data; int inf_protection = 256; irc_user_t *iu; - + /* Now, find out if the nick is already in use at the moment, and make subtle changes to make it unique. */ - while( !nick_ok( irc, nick ) || - ( ( iu = irc_user_by_name( irc, nick ) ) && iu->bu != bu ) ) - { - if( strlen( nick ) < ( MAX_NICK_LENGTH - 1 ) ) - { - nick[strlen(nick)+1] = 0; + while (!nick_ok(irc, nick) || + ((iu = irc_user_by_name(irc, nick)) && iu->bu != bu)) { + if (strlen(nick) < (MAX_NICK_LENGTH - 1)) { + nick[strlen(nick) + 1] = 0; nick[strlen(nick)] = '_'; - } - else - { + } else { /* We've got no more space for underscores, so truncate it and replace the last three chars with a random "_XX" suffix */ - int len = truncate_utf8( nick, MAX_NICK_LENGTH - 3 ); + int len = truncate_utf8(nick, MAX_NICK_LENGTH - 3); nick[len] = '_'; - g_snprintf(nick + len + 1, 3, "%2x", rand() ); + g_snprintf(nick + len + 1, 3, "%2x", rand()); } - - if( inf_protection-- == 0 ) - { - g_snprintf( nick, MAX_NICK_LENGTH + 1, "xx%x", rand() ); - - irc_rootmsg( irc, "Warning: Something went wrong while trying " - "to generate a nickname for contact %s on %s.", - bu->handle, bu->ic->acc->tag ); - irc_rootmsg( irc, "This might be a bug in BitlBee, or the result " - "of a faulty nick_format setting. Will use %s " - "instead.", nick ); - + + if (inf_protection-- == 0) { + g_snprintf(nick, MAX_NICK_LENGTH + 1, "xx%x", rand()); + + irc_rootmsg(irc, "Warning: Something went wrong while trying " + "to generate a nickname for contact %s on %s.", + bu->handle, bu->ic->acc->tag); + irc_rootmsg(irc, "This might be a bug in BitlBee, or the result " + "of a faulty nick_format setting. Will use %s " + "instead.", nick); + break; } } @@ -277,158 +252,147 @@ void nick_dedupe( bee_user_t *bu, char nick[MAX_NICK_LENGTH+1] ) /* Just check if there is a nickname set for this buddy or if we'd have to generate one. */ -int nick_saved( bee_user_t *bu ) +int nick_saved(bee_user_t *bu) { char *store_handle, *found; - - store_handle = clean_handle( bu->handle ); - found = g_hash_table_lookup( bu->ic->acc->nicks, store_handle ); - g_free( store_handle ); - + + store_handle = clean_handle(bu->handle); + found = g_hash_table_lookup(bu->ic->acc->nicks, store_handle); + g_free(store_handle); + return found != NULL; } -void nick_del( bee_user_t *bu ) +void nick_del(bee_user_t *bu) { - g_hash_table_remove( bu->ic->acc->nicks, bu->handle ); + g_hash_table_remove(bu->ic->acc->nicks, bu->handle); } -void nick_strip( irc_t *irc, char *nick ) +void nick_strip(irc_t *irc, char *nick) { int len = 0; - - if( irc && ( irc->status & IRC_UTF8_NICKS ) ) - { + + if (irc && (irc->status & IRC_UTF8_NICKS)) { gunichar c; - char *p = nick, *n, tmp[strlen(nick)+1]; - - while( p && *p ) - { - c = g_utf8_get_char_validated( p, -1 ); - n = g_utf8_find_next_char( p, NULL ); - - if( ( c < 0x7f && !( strchr( nick_lc_chars, c ) || - strchr( nick_uc_chars, c ) ) ) || - !g_unichar_isgraph( c ) ) - { - strcpy( tmp, n ); - strcpy( p, tmp ); - } - else + char *p = nick, *n, tmp[strlen(nick) + 1]; + + while (p && *p) { + c = g_utf8_get_char_validated(p, -1); + n = g_utf8_find_next_char(p, NULL); + + if ((c < 0x7f && !(strchr(nick_lc_chars, c) || + strchr(nick_uc_chars, c))) || + !g_unichar_isgraph(c)) { + strcpy(tmp, n); + strcpy(p, tmp); + } else { p = n; + } } - if( p ) + if (p) { len = p - nick; - } - else - { + } + } else { int i; - - for( i = len = 0; nick[i] && len < MAX_NICK_LENGTH; i++ ) - { - if( strchr( nick_lc_chars, nick[i] ) || - strchr( nick_uc_chars, nick[i] ) ) - { + + for (i = len = 0; nick[i] && len < MAX_NICK_LENGTH; i++) { + if (strchr(nick_lc_chars, nick[i]) || + strchr(nick_uc_chars, nick[i])) { nick[len] = nick[i]; len++; } } } - if( g_ascii_isdigit( nick[0] ) ) - { + if (g_ascii_isdigit(nick[0])) { char *orig; - + /* First character of a nick can't be a digit, so insert an underscore if necessary. */ - orig = g_strdup( nick ); - g_snprintf( nick, MAX_NICK_LENGTH, "_%s", orig ); - g_free( orig ); - len ++; + orig = g_strdup(nick); + g_snprintf(nick, MAX_NICK_LENGTH, "_%s", orig); + g_free(orig); + len++; } - while( len <= MAX_NICK_LENGTH ) + while (len <= MAX_NICK_LENGTH) { nick[len++] = '\0'; + } } -gboolean nick_ok( irc_t *irc, const char *nick ) +gboolean nick_ok(irc_t *irc, const char *nick) { const char *s; - + /* Empty/long nicks are not allowed, nor numbers at [0] */ - if( !*nick || g_ascii_isdigit( nick[0] ) || strlen( nick ) > MAX_NICK_LENGTH ) + if (!*nick || g_ascii_isdigit(nick[0]) || strlen(nick) > MAX_NICK_LENGTH) { return 0; - - if( irc && ( irc->status & IRC_UTF8_NICKS ) ) - { + } + + if (irc && (irc->status & IRC_UTF8_NICKS)) { gunichar c; const char *p = nick, *n; - - while( p && *p ) - { - c = g_utf8_get_char_validated( p, -1 ); - n = g_utf8_find_next_char( p, NULL ); - - if( ( c < 0x7f && !( strchr( nick_lc_chars, c ) || - strchr( nick_uc_chars, c ) ) ) || - !g_unichar_isgraph( c ) ) - { + + while (p && *p) { + c = g_utf8_get_char_validated(p, -1); + n = g_utf8_find_next_char(p, NULL); + + if ((c < 0x7f && !(strchr(nick_lc_chars, c) || + strchr(nick_uc_chars, c))) || + !g_unichar_isgraph(c)) { return FALSE; } p = n; } - } - else - { - for( s = nick; *s; s ++ ) - if( !strchr( nick_lc_chars, *s ) && !strchr( nick_uc_chars, *s ) ) + } else { + for (s = nick; *s; s++) { + if (!strchr(nick_lc_chars, *s) && !strchr(nick_uc_chars, *s)) { return FALSE; + } + } } - + return TRUE; } -int nick_lc( irc_t *irc, char *nick ) +int nick_lc(irc_t *irc, char *nick) { static char tab[128] = { 0 }; int i; - - if( tab['A'] == 0 ) - for( i = 0; nick_lc_chars[i]; i ++ ) - { - tab[(int)nick_uc_chars[i]] = nick_lc_chars[i]; - tab[(int)nick_lc_chars[i]] = nick_lc_chars[i]; + + if (tab['A'] == 0) { + for (i = 0; nick_lc_chars[i]; i++) { + tab[(int) nick_uc_chars[i]] = nick_lc_chars[i]; + tab[(int) nick_lc_chars[i]] = nick_lc_chars[i]; } - - if( irc && ( irc->status & IRC_UTF8_NICKS ) ) - { - gchar *down = g_utf8_strdown( nick, -1 ); - if( strlen( down ) > strlen( nick ) ) - { - truncate_utf8( down, strlen( nick ) ); + } + + if (irc && (irc->status & IRC_UTF8_NICKS)) { + gchar *down = g_utf8_strdown(nick, -1); + if (strlen(down) > strlen(nick)) { + truncate_utf8(down, strlen(nick)); } - strcpy( nick, down ); - g_free( down ); + strcpy(nick, down); + g_free(down); } - - for( i = 0; nick[i]; i ++ ) - if( ((guchar)nick[i]) < 0x7f ) - nick[i] = tab[(guchar)nick[i]]; - - return nick_ok( irc, nick ); + + for (i = 0; nick[i]; i++) { + if (((guchar) nick[i]) < 0x7f) { + nick[i] = tab[(guchar) nick[i]]; + } + } + + return nick_ok(irc, nick); } -int nick_cmp( irc_t *irc, const char *a, const char *b ) +int nick_cmp(irc_t *irc, const char *a, const char *b) { char aa[1024] = "", bb[1024] = ""; - - strncpy( aa, a, sizeof( aa ) - 1 ); - strncpy( bb, b, sizeof( bb ) - 1 ); - if( nick_lc( irc, aa ) && nick_lc( irc, bb ) ) - { - return( strcmp( aa, bb ) ); - } - else - { - return( -1 ); /* Hmm... Not a clear answer.. :-/ */ + + strncpy(aa, a, sizeof(aa) - 1); + strncpy(bb, b, sizeof(bb) - 1); + if (nick_lc(irc, aa) && nick_lc(irc, bb)) { + return(strcmp(aa, bb)); + } else { + return(-1); /* Hmm... Not a clear answer.. :-/ */ } } |