X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=cgisimple.c;h=d210b7aff29d9644377eef26e73fba1345cc8a26;hp=b100094183f31fb42e25be25f92cd62257d91a5f;hb=2fd9e77391df631c1c0d3cf52466cd3e94df83d5;hpb=a25b9a702795c0c1e77ef3fe934915003eb685de diff --git a/cgisimple.c b/cgisimple.c index b1000941..d210b7af 100644 --- a/cgisimple.c +++ b/cgisimple.c @@ -1,16 +1,16 @@ -const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.11 2002/01/23 00:01:04 jongfoster Exp $"; +const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.21 2002/03/24 15:23:33 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $ * - * Purpose : Simple CGIs to get information about JunkBuster's + * Purpose : Simple CGIs to get information about Privoxy's * status. * * Functions declared include: * * * Copyright : Written by and Copyright (C) 2001 the SourceForge - * IJBSWA team. http://ijbswa.sourceforge.net + * Privoxy team. http://ijbswa.sourceforge.net * * Based on the Internet Junkbuster originally written * by and Copyright (C) 1997 Anonymous Coders and @@ -36,6 +36,43 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.11 2002/01/23 00:01:04 jongfo * * Revisions : * $Log: cgisimple.c,v $ + * Revision 1.21 2002/03/24 15:23:33 jongfoster + * Name changes + * + * Revision 1.20 2002/03/24 13:25:43 swa + * name change related issues + * + * Revision 1.19 2002/03/16 23:54:06 jongfoster + * Adding graceful termination feature, to help look for memory leaks. + * If you enable this (which, by design, has to be done by hand + * editing config.h) and then go to http://i.j.b/die, then the program + * will exit cleanly after the *next* request. It should free all the + * memory that was used. + * + * Revision 1.18 2002/03/12 01:44:49 oes + * Changed default for "blocked" image from jb logo to checkboard pattern + * + * Revision 1.17 2002/03/08 16:43:18 oes + * Added choice beween GIF and PNG built-in images + * + * Revision 1.16 2002/03/07 03:48:38 oes + * - 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 1.15 2002/03/06 22:54:35 jongfoster + * Automated function-comment nitpicking. + * + * Revision 1.14 2002/03/02 04:14:50 david__schmidt + * Clean up a little CRLF unpleasantness that suddenly appeared + * + * Revision 1.13 2002/02/21 00:10:37 jongfoster + * Adding send-banner?type=auto option + * + * Revision 1.12 2002/01/23 01:03:32 jongfoster + * Fixing gcc [CygWin] compiler warnings + * * Revision 1.11 2002/01/23 00:01:04 jongfoster * Adding cgi_transparent_gif() for http://i.j.b/t * Adding missing html_encode() to many CGI functions. @@ -129,9 +166,9 @@ static jb_err show_defines(struct map *exports); * Lists menu of available unhidden CGIs. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : none * @@ -196,9 +233,9 @@ jb_err cgi_default(struct client_state *csp, * given. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : none * @@ -221,7 +258,7 @@ jb_err cgi_error_404(struct client_state *csp, return JB_ERR_MEMORY; } - rsp->status = strdup("404 JunkBuster configuration page not found"); + rsp->status = strdup("404 Privoxy configuration page not found"); if (rsp->status == NULL) { free_map(exports); @@ -232,6 +269,48 @@ jb_err cgi_error_404(struct client_state *csp, } +#ifdef FEATURE_GRACEFUL_TERMINATION +/********************************************************************* + * + * Function : cgi_die + * + * Description : CGI function to shut down Privoxy. + * NOTE: Turning this on in a production build + * would be a BAD idea. An EXTREMELY BAD idea. + * In short, don't do it. + * + * Parameters : + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters + * + * CGI Parameters : none + * + * Returns : JB_ERR_OK on success + * JB_ERR_MEMORY on out-of-memory error. + * + *********************************************************************/ +jb_err cgi_die (struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + assert(csp); + assert(rsp); + assert(parameters); + + /* quit */ + g_terminate = 1; + + /* + * I don't really care what gets sent back to the browser. + * Take the easy option - "out of memory" page. + */ + + return JB_ERR_MEMORY; +} +#endif /* def FEATURE_GRACEFUL_TERMINATION */ + + /********************************************************************* * * Function : cgi_show_request @@ -240,9 +319,9 @@ jb_err cgi_error_404(struct client_state *csp, * made of it. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : none * @@ -303,13 +382,15 @@ jb_err cgi_show_request(struct client_state *csp, * Description : CGI function that returns a banner. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : - * type : Selects the type of banner between "trans" and "jb". - * Defaults to "jb" if absent or != "trans". + * type : Selects the type of banner between "trans", "logo", + * and "auto". Defaults to "logo" if absent or invalid. + * "auto" means to select as if we were image-blocking. + * (Only the first character really counts). * * Returns : JB_ERR_OK on success * JB_ERR_MEMORY on out-of-memory error. @@ -319,15 +400,41 @@ jb_err cgi_send_banner(struct client_state *csp, struct http_response *rsp, const struct map *parameters) { - if (strcmp(lookup(parameters, "type"), "trans")) + char imagetype = lookup(parameters, "type")[0]; + + if (imagetype == 'a') /* auto */ + { + /* Default to pattern */ + imagetype = 'p'; +#ifdef FEATURE_IMAGE_BLOCKING + if ((csp->action->flags & ACTION_IMAGE_BLOCKER) != 0) + { + /* determine HOW images should be blocked */ + const char * p = csp->action->string[ACTION_STRING_IMAGE_BLOCKER]; + + /* and handle accordingly: */ + if ((p != NULL) && (0 == strcmpic(p, "blank"))) + { + imagetype = 'b'; + } + else if ((p != NULL) && (0 == strcmpic(p, "pattern"))) + { + imagetype = 'p'; + } + } +#endif /* def FEATURE_IMAGE_BLOCKING */ + } + + if ((imagetype == 'b') || (imagetype == 't')) /* blank / transparent */ { - rsp->body = bindup(image_junkbuster_gif_data, image_junkbuster_gif_length); - rsp->content_length = image_junkbuster_gif_length; + rsp->body = bindup(image_blank_data, image_blank_length); + rsp->content_length = image_blank_length; + } - else + else /* pattern */ { - rsp->body = bindup(image_blank_gif_data, image_blank_gif_length); - rsp->content_length = image_blank_gif_length; + rsp->body = bindup(image_pattern_data, image_pattern_length); + rsp->content_length = image_pattern_length; } if (rsp->body == NULL) @@ -335,7 +442,7 @@ jb_err cgi_send_banner(struct client_state *csp, return JB_ERR_MEMORY; } - if (enlist(rsp->headers, "Content-Type: image/gif")) + if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE)) { return JB_ERR_MEMORY; } @@ -349,14 +456,14 @@ jb_err cgi_send_banner(struct client_state *csp, /********************************************************************* * - * Function : cgi_transparent_gif + * Function : cgi_transparent_image * - * Description : CGI function that sends a 1x1 transparent GIF. + * Description : CGI function that sends a 1x1 transparent image. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : None * @@ -364,19 +471,19 @@ jb_err cgi_send_banner(struct client_state *csp, * JB_ERR_MEMORY on out-of-memory error. * *********************************************************************/ -jb_err cgi_transparent_gif(struct client_state *csp, +jb_err cgi_transparent_image(struct client_state *csp, struct http_response *rsp, const struct map *parameters) { - rsp->body = bindup(image_blank_gif_data, image_blank_gif_length); - rsp->content_length = image_blank_gif_length; + rsp->body = bindup(image_blank_data, image_blank_length); + rsp->content_length = image_blank_length; if (rsp->body == NULL) { return JB_ERR_MEMORY; } - if (enlist(rsp->headers, "Content-Type: image/gif")) + if (enlist(rsp->headers, "Content-Type: " BUILTIN_IMAGE_MIMETYPE)) { return JB_ERR_MEMORY; } @@ -393,12 +500,12 @@ jb_err cgi_transparent_gif(struct client_state *csp, * Function : cgi_show_version * * Description : CGI function that returns a a web page describing the - * file versions of IJB. + * file versions of Privoxy. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : none * @@ -436,12 +543,12 @@ jb_err cgi_show_version(struct client_state *csp, * Function : cgi_show_status * * Description : CGI function that returns a a web page describing the - * current status of IJB. + * current status of Privoxy. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : * file : Which file to show. Only first letter is checked, @@ -656,13 +763,13 @@ jb_err cgi_show_status(struct client_state *csp, * Function : cgi_show_url_info * * Description : CGI function that determines and shows which actions - * junkbuster will perform for a given url, and which + * Privoxy will perform for a given url, and which * matches starting from the defaults have lead to that. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : * url : The url whose actions are to be determined. @@ -919,9 +1026,9 @@ jb_err cgi_show_url_info(struct client_state *csp, * Description : CGI function to return "/robots.txt". * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * 2 : rsp = http_response data structure for output - * 3 : parameters = map of cgi parameters + * 1 : csp = Current client state (buffers, headers, etc...) + * 2 : rsp = http_response data structure for output + * 3 : parameters = map of cgi parameters * * CGI Parameters : None * @@ -937,7 +1044,7 @@ jb_err cgi_robots_txt(struct client_state *csp, jb_err err; rsp->body = strdup( - "# This is the Internet Junkbuster control interface.\n" + "# This is the Privoxy control interface.\n" "# It isn't very useful to index it, and you're likely to break stuff.\n" "# So go away!\n" "\n" @@ -968,7 +1075,7 @@ jb_err cgi_robots_txt(struct client_state *csp, * used when building * * Parameters : - * 1 : exports = map to extend + * 1 : exports = map to extend * * Returns : JB_ERR_OK on success * JB_ERR_MEMORY on out-of-memory error. @@ -1026,6 +1133,12 @@ static jb_err show_defines(struct map *exports) if (!err) err = map_conditional(exports, "FEATURE_KILL_POPUPS", 0); #endif /* ndef FEATURE_KILL_POPUPS */ +#ifdef FEATURE_NO_GIFS + if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 1); +#else /* ifndef FEATURE_NO_GIFS */ + if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 0); +#endif /* ndef FEATURE_NO_GIFS */ + #ifdef FEATURE_PTHREAD if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 1); #else /* ifndef FEATURE_PTHREAD */