X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=filters.c;h=6f16d847e0f1cab37a56e8ac761f5d9f046e8de6;hb=6797f2f3f6ea03b034e28e9f1326aa0925d75e47;hp=7e37c9b4d90dd4f3baa257fc3d7a31b1671310b6;hpb=c885b7ff0ffe914e0e26934c6bd62774315ce40f;p=privoxy.git diff --git a/filters.c b/filters.c index 7e37c9b4..6f16d847 100644 --- a/filters.c +++ b/filters.c @@ -1,4 +1,4 @@ -const char filters_rcs[] = "$Id: filters.c,v 1.43 2002/01/22 23:51:59 jongfoster Exp $"; +const char filters_rcs[] = "$Id: filters.c,v 1.52 2002/03/24 16:35:57 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/filters.c,v $ @@ -12,7 +12,7 @@ const char filters_rcs[] = "$Id: filters.c,v 1.43 2002/01/22 23:51:59 jongfoster * 'ijb_send_banner', and `trust_url' * * Copyright : Written by and Copyright (C) 2001 the SourceForge - * IJBSWA team. http://ijbswa.sourceforge.net + * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written * by and Copyright (C) 1997 Anonymous Coders and @@ -38,6 +38,39 @@ const char filters_rcs[] = "$Id: filters.c,v 1.43 2002/01/22 23:51:59 jongfoster * * Revisions : * $Log: filters.c,v $ + * Revision 1.52 2002/03/24 16:35:57 jongfoster + * Removing logo + * + * Revision 1.51 2002/03/24 15:23:33 jongfoster + * Name changes + * + * Revision 1.50 2002/03/24 13:25:43 swa + * name change related issues + * + * Revision 1.49 2002/03/16 20:29:14 oes + * Cosmetics + * + * Revision 1.48 2002/03/13 20:25:34 oes + * Better logging for content filters + * + * Revision 1.47 2002/03/13 00:30:52 jongfoster + * Killing warnings + * Added option of always sending redirect for imageblock, + * currently disabled with #if 0. + * + * Revision 1.46 2002/03/12 01:42:49 oes + * Introduced modular filters + * + * Revision 1.45 2002/03/08 16:47:50 oes + * Added choice beween GIF and PNG built-in images + * + * Revision 1.44 2002/03/07 03:49:31 oes + * - Fixed compiler warnings etc + * - Changed built-in images from GIF to PNG + * (with regard to Unisys patent issue) + * - Added a 4x4 pattern PNG which is less intrusive + * than the logo but also clearly marks the deleted banners + * * Revision 1.43 2002/01/22 23:51:59 jongfoster * Replacing strsav() with the safer string_append(). * @@ -480,7 +513,7 @@ int acl_addr(char *aspec, struct access_control_addr *aca) masklength = 32; port = 0; - if ((p = strchr(aspec, '/'))) + if ((p = strchr(aspec, '/')) != NULL) { *p++ = '\0'; @@ -496,7 +529,7 @@ int acl_addr(char *aspec, struct access_control_addr *aca) return(-1); } - if ((p = strchr(aspec, ':'))) + if ((p = strchr(aspec, ':')) != NULL) { *p++ = '\0'; @@ -660,18 +693,20 @@ struct http_response *block_url(struct client_state *csp) /* determine HOW images should be blocked */ p = csp->action->string[ACTION_STRING_IMAGE_BLOCKER]; +#if 1 /* Two alternative strategies, use this one for now: */ + /* and handle accordingly: */ - if ((p == NULL) || (0 == strcmpic(p, "logo"))) + if ((p == NULL) || (0 == strcmpic(p, "pattern"))) { - rsp->body = bindup(image_logo_data, image_logo_length); + rsp->body = bindup(image_pattern_data, image_pattern_length); if (rsp->body == NULL) { free_http_response(rsp); return cgi_error_memory(); } - rsp->content_length = image_logo_length; + rsp->content_length = image_pattern_length; - if (enlist_unique_header(rsp->headers, "Content-Type", "image/png")) + if (enlist_unique_header(rsp->headers, "Content-Type", BUILTIN_IMAGE_MIMETYPE)) { free_http_response(rsp); return cgi_error_memory(); @@ -688,45 +723,53 @@ struct http_response *block_url(struct client_state *csp) } rsp->content_length = image_blank_length; - if (enlist_unique_header(rsp->headers, "Content-Type", "image/png")) + if (enlist_unique_header(rsp->headers, "Content-Type", BUILTIN_IMAGE_MIMETYPE)) { free_http_response(rsp); return cgi_error_memory(); } } - else if (0 == strcmpic(p, "pattern")) + else { - rsp->body = bindup(image_pattern_data, image_pattern_length); - if (rsp->body == NULL) + rsp->status = strdup("302 Local Redirect from Privoxy"); + if (rsp->status == NULL) { free_http_response(rsp); return cgi_error_memory(); } - rsp->content_length = image_pattern_length; - if (enlist_unique_header(rsp->headers, "Content-Type", "image/png")) + if (enlist_unique_header(rsp->headers, "Location", p)) { free_http_response(rsp); return cgi_error_memory(); } } - else +#else /* Following code is disabled for now */ + + /* and handle accordingly: */ + if ((p == NULL) || (0 == strcmpic(p, "pattern"))) { - rsp->status = strdup("302 Local Redirect from Junkbuster"); - if (rsp->status == NULL) - { - free_http_response(rsp); - return cgi_error_memory(); - } + p = CGI_PREFIX "send-banner?type=pattern"; + } + else if (0 == strcmpic(p, "blank")) + { + p = CGI_PREFIX "send-banner?type=blank"; + } + rsp->status = strdup("302 Local Redirect from Privoxy"); + if (rsp->status == NULL) + { + free_http_response(rsp); + return cgi_error_memory(); + } - if (enlist_unique_header(rsp->headers, "Location", p)) - { - free_http_response(rsp); - return cgi_error_memory(); - } + if (enlist_unique_header(rsp->headers, "Location", p)) + { + free_http_response(rsp); + return cgi_error_memory(); } +#endif /* Preceeding code is disabled for now */ } else #endif /* def FEATURE_IMAGE_BLOCKING */ @@ -872,7 +915,7 @@ struct http_response *trust_url(struct client_state *csp) * Export the trust list */ p = strdup(""); - for (tl = csp->config->trust_list; (t = *tl) ; tl++) + for (tl = csp->config->trust_list; (t = *tl) != NULL ; tl++) { sprintf(buf, "