diff options
Diffstat (limited to 'dcc.c')
| -rw-r--r-- | dcc.c | 72 |
1 files changed, 19 insertions, 53 deletions
@@ -503,69 +503,37 @@ void dcc_finish( file_transfer_t *file ) * IP can be an unsigned int (IPV4) or something else (IPV6) * */ -file_transfer_t *dcc_request( struct im_connection *ic, char *line ) +file_transfer_t *dcc_request( struct im_connection *ic, char* const* ctcp ) { irc_t *irc = (irc_t *) ic->bee->ui_data; - char *pattern = "SEND" - " (([^\"][^ ]*)|\"(([^\"]|\\\")*)\")" - " (([0-9]*)|([^ ]*))" - " ([0-9]*)" - " ([0-9]*)\001"; - regmatch_t pmatch[10]; - regex_t re; file_transfer_t *ft; dcc_file_transfer_t *df; - char errbuf[256]; - int regerrcode, gret; - - if( ( regerrcode = regcomp( &re, pattern, REG_EXTENDED ) ) || - ( regerrcode = regexec( &re, line, 10, pmatch, 0 ) ) ) { - regerror( regerrcode,&re,errbuf,sizeof( errbuf ) ); - imcb_log( ic, - "DCC: error parsing 'DCC SEND': %s, line: %s", - errbuf, line ); - return NULL; - } - - if( ( pmatch[1].rm_so > 0 ) && - ( pmatch[5].rm_so > 0 ) && - ( pmatch[8].rm_so > 0 ) && - ( pmatch[9].rm_so > 0 ) ) + int gret; + size_t filesize; + + if( ctcp[5] != NULL && + sscanf( ctcp[4], "%zd", &filesize ) == 1 && /* Just int. validation. */ + sscanf( ctcp[5], "%zd", &filesize ) == 1 ) { - char *input = g_strdup( line ); char *filename, *host, *port; - size_t filesize; struct addrinfo hints, *rp; - - /* "filename" or filename */ - if ( pmatch[2].rm_so > 0 ) - { - input[pmatch[2].rm_eo] = '\0'; - filename = input + pmatch[2].rm_so; - } else - { - input[pmatch[3].rm_eo] = '\0'; - filename = input + pmatch[3].rm_so; - } - - input[pmatch[5].rm_eo] = '\0'; - - /* number means ipv4, something else means ipv6 */ - if ( pmatch[6].rm_so > 0 ) + + filename = ctcp[2]; + + host = ctcp[3]; + while( *host && isdigit( *host ) ) host++; /* Just digits? */ + if( *host == '\0' ) { - struct in_addr ipaddr = { .s_addr = htonl( strtoul( input + pmatch[5].rm_so, NULL, 10 ) ) }; + struct in_addr ipaddr = { .s_addr = htonl( atoll( ctcp[3] ) ) }; host = inet_ntoa( ipaddr ); } else { /* Contains non-numbers, hopefully an IPV6 address */ - host = input + pmatch[7].rm_so; + host = ctcp[3]; } - input[pmatch[8].rm_eo] = '\0'; - input[pmatch[9].rm_eo] = '\0'; - - port = input + pmatch[8].rm_so; - filesize = atoll( input + pmatch[9].rm_so ); + port = ctcp[4]; + filesize = atoll( ctcp[5] ); memset( &hints, 0, sizeof ( struct addrinfo ) ); hints.ai_socktype = SOCK_STREAM; @@ -573,7 +541,6 @@ file_transfer_t *dcc_request( struct im_connection *ic, char *line ) if ( ( gret = getaddrinfo( host, port, &hints, &rp ) ) ) { - g_free( input ); imcb_log( ic, "DCC: getaddrinfo() failed with %s " "when parsing incoming 'DCC SEND': " "host %s, port %s", @@ -587,14 +554,13 @@ file_transfer_t *dcc_request( struct im_connection *ic, char *line ) memcpy( &df->saddr, rp->ai_addr, rp->ai_addrlen ); freeaddrinfo( rp ); - g_free( input ); irc->file_transfers = g_slist_prepend( irc->file_transfers, ft ); return ft; } - - imcb_log( ic, "DCC: couldnt parse 'DCC SEND' line: %s", line ); + else + imcb_log( ic, "DCC: couldnt parse `DCC SEND' line" ); return NULL; } |