X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=cgisimple.c;h=585be2b6eca6dabd2f2d7c77691e8a36d2f43003;hp=f65a30514862734ca89fe8d58d61f17f1cf63c71;hb=cf89cd7ace9007341dc8835f4b9c818dfb831666;hpb=9ae4d58f7384861c6f77c9f9632bdb3df60589f0 diff --git a/cgisimple.c b/cgisimple.c index f65a3051..585be2b6 100644 --- a/cgisimple.c +++ b/cgisimple.c @@ -1,4 +1,4 @@ -const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.42 2006/11/21 15:43:12 fabiankeil Exp $"; +const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.91 2009/03/08 14:19:23 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $ @@ -9,7 +9,7 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.42 2006/11/21 15:43:12 fabian * Functions declared include: * * - * Copyright : Written by and Copyright (C) 2001 the SourceForge + * Copyright : Written by and Copyright (C) 2001-2008 the SourceForge * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -36,6 +36,204 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.42 2006/11/21 15:43:12 fabian * * Revisions : * $Log: cgisimple.c,v $ + * Revision 1.91 2009/03/08 14:19:23 fabiankeil + * Fix justified (but harmless) compiler warnings + * on platforms where sizeof(int) < sizeof(long). + * + * Revision 1.90 2009/03/01 18:43:09 fabiankeil + * Fix cparser warnings. + * + * Revision 1.89 2008/10/11 11:31:14 fabiankeil + * Add FEATURE_CONNECTION_KEEP_ALIVE to the list + * of conditional defines on the show-status page. + * + * Revision 1.88 2008/08/30 12:03:07 fabiankeil + * Remove FEATURE_COOKIE_JAR. + * + * Revision 1.87 2008/08/29 15:59:22 fabiankeil + * Fix two comments. + * + * Revision 1.86 2008/06/28 14:19:05 fabiankeil + * Protocol detection is done case-insensitive, fix assertion + * to do the same. Yay for Privoxy-Regression-Test and zzuf. + * + * Revision 1.85 2008/05/26 17:30:55 fabiankeil + * Provide an OpenSearch Description to access the + * show-url-info page through "search engine plugins". + * + * Revision 1.84 2008/05/26 16:16:55 fabiankeil + * Spell error correctly. + * + * Revision 1.83 2008/05/12 14:51:30 fabiankeil + * Don't complain about an invalid URL if show-url-info is requested + * without parameters. Regression introduced in 1.81 by yours truly. + * + * Revision 1.82 2008/05/10 20:01:47 fabiankeil + * Fix an assertion that could erroneously + * trigger in case of memory shortage. + * + * Revision 1.81 2008/05/05 09:54:39 fabiankeil + * In cgi_show_url_info(), make sure ftp URLs are + * declared invalid. Also simplify the code that adds + * "http://" if no protocol has been specified. + * + * Revision 1.80 2008/05/04 16:18:32 fabiankeil + * Provide parse_http_url() with a third parameter to specify + * whether or not URLs without protocol are acceptable. + * + * Revision 1.79 2008/05/04 13:30:56 fabiankeil + * Streamline parse_http_url()'s prototype. + * + * Revision 1.78 2008/05/03 16:50:11 fabiankeil + * Leverage content_filters_enabled() in cgi_show_url_info(). + * + * Revision 1.77 2008/05/02 09:47:48 fabiankeil + * In cgi_show_url_info, pass an initialized http structure + * to parse_http_url() as that will be required soonish and + * assert that https URLs are recognized correctly. + * + * Revision 1.76 2008/04/28 09:13:30 fabiankeil + * In load_file(), remember the error reason and fclose() + * and return later on instead of right away. + * + * Revision 1.75 2008/04/27 13:52:52 fabiankeil + * Move CGI file loading code into load_file() and + * add checks for unexpected errors. + * + * Revision 1.74 2008/04/26 15:50:56 fabiankeil + * Fix macro name in cgi_show_file() error path. + * + * Revision 1.73 2008/04/26 12:21:55 fabiankeil + * Forget about JB_ERR_PARSE. JB_ERR_CGI_PARAMS to the rescue. + * + * Revision 1.72 2008/04/26 10:34:15 fabiankeil + * If zlib support is unavailable and there are content filters active + * but the prevent-compression action is disabled, include a warning + * on the show-url-info page that compression might prevent filtering. + * + * Revision 1.71 2008/04/25 13:33:56 fabiankeil + * - Factor cgi_show_file() out of cgi_show_status(). + * - Adjust cgi_show_status()'s parameter description to match reality. + * + * Revision 1.70 2008/04/24 16:12:38 fabiankeil + * In cgi_show_status(), load the requested file at once. + * Using string_join() for every line really doesn't scale. + * + * Revision 1.69 2008/04/17 14:40:48 fabiankeil + * Provide get_http_time() with the buffer size so it doesn't + * have to blindly assume that the buffer is big enough. + * + * Revision 1.68 2008/03/27 18:27:21 fabiankeil + * Remove kill-popups action. + * + * Revision 1.67 2008/03/27 17:00:05 fabiankeil + * Turn the favicon blobs into locals. + * + * Revision 1.66 2008/02/23 16:57:12 fabiankeil + * Rename url_actions() to get_url_actions() and let it + * use the standard parameter ordering. + * + * Revision 1.65 2008/02/23 16:33:43 fabiankeil + * Let forward_url() use the standard parameter ordering + * and mark its second parameter immutable. + * + * Revision 1.64 2008/02/03 13:56:07 fabiankeil + * Add SOCKS5 support for show-url-info CGI page. + * + * Revision 1.63 2008/02/01 06:04:31 fabiankeil + * If edit buttons on the show-url-info CGI page are hidden, explain why. + * + * Revision 1.62 2008/02/01 05:52:40 fabiankeil + * Hide edit buttons on the show-url-info CGI page if enable-edit-action + * is disabled. Patch by Lee with additional white space adjustments. + * + * Revision 1.61 2008/01/26 11:13:25 fabiankeil + * If enable-edit-actions is disabled, hide the edit buttons and explain why. + * + * Revision 1.60 2007/10/27 13:12:13 fabiankeil + * Finish 1.49 and check write access before + * showing edit buttons on show-url-info page. + * + * Revision 1.59 2007/10/19 16:42:36 fabiankeil + * Plug memory leak I introduced five months ago. + * Yay Valgrind and Privoxy-Regression-Test. + * + * Revision 1.58 2007/07/21 12:19:50 fabiankeil + * If show-url-info is called with an URL that Privoxy + * would reject as invalid, don't show unresolved forwarding + * variables, "final matches" or claim the site's secure. + * + * Revision 1.57 2007/06/01 16:53:05 fabiankeil + * Adjust cgi_show_url_info() to show what forward-override{} + * would do with the requested URL (instead of showing how the + * request for the CGI page would be forwarded if it wasn't a + * CGI request). + * + * Revision 1.56 2007/05/21 10:50:35 fabiankeil + * - Use strlcpy() instead of strcpy(). + * - Stop treating actions files special. Expect a complete file name + * (with or without path) like it's done for the rest of the files. + * Closes FR#588084. + * - Don't rerun sed() in cgi_show_request(). + * + * Revision 1.55 2007/04/13 13:36:46 fabiankeil + * Reference action files in CGI URLs by id instead + * of using the first part of the file name. + * Fixes BR 1694250 and BR 1590556. + * + * Revision 1.54 2007/04/09 18:11:35 fabiankeil + * Don't mistake VC++'s _snprintf() for a snprintf() replacement. + * + * Revision 1.53 2007/04/08 13:21:04 fabiankeil + * Reference action files in CGI URLs by id instead + * of using the first part of the file name. + * Fixes BR 1694250 and BR 1590556. + * + * Revision 1.52 2007/02/13 15:10:26 fabiankeil + * Apparently fopen()ing in "binary" mode doesn't require + * #ifdefs, it's already done without them in cgiedit.c. + * + * Revision 1.51 2007/02/10 16:55:22 fabiankeil + * - Show forwarding settings on the show-url-info page + * - Fix some HTML syntax errors. + * + * Revision 1.50 2007/01/23 15:51:17 fabiankeil + * Add favicon delivery functions. + * + * Revision 1.49 2007/01/20 16:29:38 fabiankeil + * Suppress edit buttons for action files if Privoxy has + * no write access. Suggested by Roland in PR 1564026. + * + * Revision 1.48 2007/01/20 15:31:31 fabiankeil + * Display warning if show-url-info CGI page + * is used while Privoxy is toggled off. + * + * Revision 1.47 2007/01/12 15:07:10 fabiankeil + * Use zalloc in cgi_send_user_manual. + * + * Revision 1.46 2007/01/02 12:49:46 fabiankeil + * Add FEATURE_ZLIB to the list of conditional + * defines at the show-status page. + * + * Revision 1.45 2006/12/28 18:16:41 fabiankeil + * Fixed gcc43 compiler warnings, zero out cgi_send_user_manual's + * body memory before using it, replaced sprintf calls with snprintf. + * + * Revision 1.44 2006/12/22 14:19:27 fabiankeil + * Removed checks whether or not AF_FILES have + * data structures associated with them in cgi_show_status. + * It doesn't matter as we're only interested in the file names. + * + * For the action files the checks were always true, + * but they prevented empty filter files from being + * listed. Fixes parts of BR 1619208. + * + * Revision 1.43 2006/12/17 17:57:56 fabiankeil + * - Added FEATURE_GRACEFUL_TERMINATION to the + * "conditional #defines" section + * - Escaped ampersands in generated HTML. + * - Renamed re-filter-filename to re-filter-filenames + * * Revision 1.42 2006/11/21 15:43:12 fabiankeil * Add special treatment for WIN32 to make sure * cgi_send_user_manual opens the files in binary mode. @@ -255,9 +453,9 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.42 2006/11/21 15:43:12 fabian #include #include -#ifdef _WIN32 -#define snprintf _snprintf -#endif /* def _WIN32 */ +#ifdef HAVE_ACCESS +#include +#endif /* def HAVE_ACCESS */ #include "project.h" #include "cgi.h" @@ -275,10 +473,12 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.42 2006/11/21 15:43:12 fabian const char cgisimple_h_rcs[] = CGISIMPLE_H_VERSION; - static char *show_rcs(void); static jb_err show_defines(struct map *exports); - +static jb_err cgi_show_file(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters); +static jb_err load_file(const char *filename, char **buffer, size_t *length); /********************************************************************* * @@ -305,6 +505,8 @@ jb_err cgi_default(struct client_state *csp, { struct map *exports; + (void)parameters; + assert(csp); assert(rsp); @@ -456,8 +658,8 @@ jb_err cgi_show_request(struct client_state *csp, return JB_ERR_MEMORY; } - if (map(exports, "processed-request", 1, html_encode_and_free_original( - sed(client_patterns, add_client_headers, csp)), 0)) + if (map(exports, "processed-request", 1, + html_encode_and_free_original(list_to_text(csp->headers)), 0)) { free_map(exports); return JB_ERR_MEMORY; @@ -621,6 +823,9 @@ jb_err cgi_transparent_image(struct client_state *csp, struct http_response *rsp, const struct map *parameters) { + (void)csp; + (void)parameters; + rsp->body = bindup(image_blank_data, image_blank_length); rsp->content_length = image_blank_length; @@ -641,6 +846,128 @@ jb_err cgi_transparent_image(struct client_state *csp, } +/********************************************************************* + * + * Function : cgi_send_default_favicon + * + * Description : CGI function that sends the standard favicon. + * + * 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_send_default_favicon(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + static const char default_favicon_data[] = + "\000\000\001\000\001\000\020\020\002\000\000\000\000\000\260" + "\000\000\000\026\000\000\000\050\000\000\000\020\000\000\000" + "\040\000\000\000\001\000\001\000\000\000\000\000\100\000\000" + "\000\000\000\000\000\000\000\000\000\002\000\000\000\000\000" + "\000\000\377\377\377\000\377\000\052\000\017\360\000\000\077" + "\374\000\000\161\376\000\000\161\376\000\000\361\377\000\000" + "\361\377\000\000\360\017\000\000\360\007\000\000\361\307\000" + "\000\361\307\000\000\361\307\000\000\360\007\000\000\160\036" + "\000\000\177\376\000\000\077\374\000\000\017\360\000\000\360" + "\017\000\000\300\003\000\000\200\001\000\000\200\001\000\000" + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" + "\000\000\200\001\000\000\200\001\000\000\300\003\000\000\360" + "\017\000\000"; + static const size_t favicon_length = sizeof(default_favicon_data) - 1; + + (void)csp; + (void)parameters; + + rsp->body = bindup(default_favicon_data, favicon_length); + rsp->content_length = favicon_length; + + if (rsp->body == NULL) + { + return JB_ERR_MEMORY; + } + + if (enlist(rsp->headers, "Content-Type: image/x-icon")) + { + return JB_ERR_MEMORY; + } + + rsp->is_static = 1; + + return JB_ERR_OK; + +} + + +/********************************************************************* + * + * Function : cgi_send_error_favicon + * + * Description : CGI function that sends the favicon for error pages. + * + * 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_send_error_favicon(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + static const char error_favicon_data[] = + "\000\000\001\000\001\000\020\020\002\000\000\000\000\000\260" + "\000\000\000\026\000\000\000\050\000\000\000\020\000\000\000" + "\040\000\000\000\001\000\001\000\000\000\000\000\100\000\000" + "\000\000\000\000\000\000\000\000\000\002\000\000\000\000\000" + "\000\000\377\377\377\000\000\000\377\000\017\360\000\000\077" + "\374\000\000\161\376\000\000\161\376\000\000\361\377\000\000" + "\361\377\000\000\360\017\000\000\360\007\000\000\361\307\000" + "\000\361\307\000\000\361\307\000\000\360\007\000\000\160\036" + "\000\000\177\376\000\000\077\374\000\000\017\360\000\000\360" + "\017\000\000\300\003\000\000\200\001\000\000\200\001\000\000" + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" + "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" + "\000\000\200\001\000\000\200\001\000\000\300\003\000\000\360" + "\017\000\000"; + static const size_t favicon_length = sizeof(error_favicon_data) - 1; + + (void)csp; + (void)parameters; + + rsp->body = bindup(error_favicon_data, favicon_length); + rsp->content_length = favicon_length; + + if (rsp->body == NULL) + { + return JB_ERR_MEMORY; + } + + if (enlist(rsp->headers, "Content-Type: image/x-icon")) + { + return JB_ERR_MEMORY; + } + + rsp->is_static = 1; + + return JB_ERR_OK; + +} + + /********************************************************************* * * Function : cgi_send_stylesheet @@ -668,6 +995,8 @@ jb_err cgi_send_stylesheet(struct client_state *csp, assert(csp); assert(rsp); + (void)parameters; + err = template_load(csp, &rsp->body, "cgi-style.css", 0); if (err == JB_ERR_FILE) @@ -690,6 +1019,52 @@ jb_err cgi_send_stylesheet(struct client_state *csp, return JB_ERR_OK; } + + +/********************************************************************* + * + * Function : cgi_send_url_info_osd + * + * Description : CGI function that sends the OpenSearch Description + * template for the show-url-info page. It allows to + * access the page through "search engine plugins". + * + * 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_send_url_info_osd(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + jb_err err = JB_ERR_MEMORY; + struct map *exports = default_exports(csp, NULL); + + (void)csp; + (void)parameters; + + if (NULL != exports) + { + err = template_fill_for_cgi(csp, "url-info-osd.xml", exports, rsp); + if (JB_ERR_OK == err) + { + err = enlist(rsp->headers, + "Content-Type: application/opensearchdescription+xml"); + } + } + + return err; + +} + + /********************************************************************* * * Function : cgi_send_user_manual @@ -715,7 +1090,6 @@ jb_err cgi_send_user_manual(struct client_state *csp, { const char * filename; char *full_path; - FILE *fp; jb_err err = JB_ERR_OK; size_t length; @@ -746,49 +1120,18 @@ jb_err cgi_send_user_manual(struct client_state *csp, return JB_ERR_MEMORY; } - /* Open user-manual file */ -#ifdef WIN32 - /* - * XXX: Do we support other operating systems that - * require special treatment to fopen in binary mode? - */ - if (NULL == (fp = fopen(full_path, "rb"))) -#else - if (NULL == (fp = fopen(full_path, "r"))) -#endif /* def WIN32 */ + err = load_file(full_path, &rsp->body, &rsp->content_length); + if (JB_ERR_OK != err) { - log_error(LOG_LEVEL_ERROR, "Cannot open user-manual file %s: %E", full_path); - err = cgi_error_no_template(csp, rsp, full_path); - free(full_path); + assert((JB_ERR_FILE == err) || (JB_ERR_MEMORY == err)); + if (JB_ERR_FILE == err) + { + err = cgi_error_no_template(csp, rsp, full_path); + } + freez(full_path); return err; } - - /* Get file length */ - fseek(fp, 0, SEEK_END); - length = ftell(fp); - fseek(fp, 0, SEEK_SET); - - /* Allocate memory and load the file directly into the body */ - rsp->body = (char *)malloc(length+1); - if (!rsp->body) - { - fclose(fp); - free(full_path); - return JB_ERR_MEMORY; - } - if (!fread(rsp->body, length, 1, fp)) - { - /* - * This happens if we didn't fopen in binary mode. - * If it does, we just log it and serve what we got, - * most likely padded with garbage. - */ - log_error(LOG_LEVEL_ERROR, "Couldn't completely read user-manual file %s.", full_path); - } - fclose(fp); - free(full_path); - - rsp->content_length = (int)length; + freez(full_path); /* Guess correct Content-Type based on the filename's ending */ if (filename) @@ -858,12 +1201,12 @@ jb_err cgi_show_version(struct client_state *csp, return template_fill_for_cgi(csp, "show-version", exports, rsp); } - + /********************************************************************* * * Function : cgi_show_status * - * Description : CGI function that returns a a web page describing the + * Description : CGI function that returns a web page describing the * current status of Privoxy. * * Parameters : @@ -874,7 +1217,7 @@ jb_err cgi_show_version(struct client_state *csp, * CGI Parameters : * file : Which file to show. Only first letter is checked, * valid values are: - * - "p"ermissions (actions) file + * - "a"ction file * - "r"egex * - "t"rust * Default is to show menu and other information. @@ -891,17 +1234,12 @@ jb_err cgi_show_status(struct client_state *csp, unsigned i; int j; - FILE * fp; char buf[BUFFER_SIZE]; - const char * filename = NULL; - char * file_description = NULL; #ifdef FEATURE_STATISTICS float perc_rej; /* Percentage of http requests rejected */ int local_urls_read; int local_urls_rejected; #endif /* ndef FEATURE_STATISTICS */ - struct file_list * fl; - struct url_actions * b; jb_err err = JB_ERR_OK; struct map *exports; @@ -910,74 +1248,14 @@ jb_err cgi_show_status(struct client_state *csp, assert(rsp); assert(parameters); - if (NULL == (exports = default_exports(csp, "show-status"))) + if ('\0' != *(lookup(parameters, "file"))) { - return JB_ERR_MEMORY; + return cgi_show_file(csp, rsp, parameters); } - switch (*(lookup(parameters, "file"))) - { - case 'a': - if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->actions_list[i]) - { - filename = csp->actions_list[i]->filename; - file_description = "Actions File"; - } - break; - - case 'f': - if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->rlist[i]) - { - filename = csp->rlist[i]->filename; - file_description = "Filter File"; - } - break; - -#ifdef FEATURE_TRUST - case 't': - if (csp->tlist) - { - filename = csp->tlist->filename; - file_description = "Trust File"; - } - break; -#endif /* def FEATURE_TRUST */ - } - - if (NULL != filename) + if (NULL == (exports = default_exports(csp, "show-status"))) { - if ( map(exports, "file-description", 1, file_description, 1) - || map(exports, "filepath", 1, html_encode(filename), 0) ) - { - free_map(exports); - return JB_ERR_MEMORY; - } - - if ((fp = fopen(filename, "r")) == NULL) - { - if (map(exports, "content", 1, "

ERROR OPENING FILE!

", 1)) - { - free_map(exports); - return JB_ERR_MEMORY; - } - } - else - { - s = strdup(""); - while ((s != NULL) && fgets(buf, sizeof(buf), fp)) - { - string_join (&s, html_encode(buf)); - } - fclose(fp); - - if (map(exports, "contents", 1, s, 0)) - { - free_map(exports); - return JB_ERR_MEMORY; - } - } - - return template_fill_for_cgi(csp, "show-status-file", exports, rsp); + return JB_ERR_MEMORY; } s = strdup(""); @@ -1022,13 +1300,13 @@ jb_err cgi_show_status(struct client_state *csp, perc_rej = (float)local_urls_rejected * 100.0F / (float)local_urls_read; - sprintf(buf, "%d", local_urls_read); + snprintf(buf, sizeof(buf), "%d", local_urls_read); if (!err) err = map(exports, "requests-received", 1, buf, 1); - sprintf(buf, "%d", local_urls_rejected); + snprintf(buf, sizeof(buf), "%d", local_urls_rejected); if (!err) err = map(exports, "requests-blocked", 1, buf, 1); - sprintf(buf, "%6.2f", perc_rej); + snprintf(buf, sizeof(buf), "%6.2f", perc_rej); if (!err) err = map(exports, "percent-blocked", 1, buf, 1); } @@ -1045,18 +1323,32 @@ jb_err cgi_show_status(struct client_state *csp, s = strdup(""); for (i = 0; i < MAX_AF_FILES; i++) { - if (((fl = csp->actions_list[i]) != NULL) && ((b = fl->f) != NULL)) + if (csp->actions_list[i] != NULL) { if (!err) err = string_append(&s, ""); if (!err) err = string_join(&s, html_encode(csp->actions_list[i]->filename)); - snprintf(buf, 100, "View", i); + snprintf(buf, sizeof(buf), + "View", i); if (!err) err = string_append(&s, buf); #ifdef FEATURE_CGI_EDIT_ACTIONS - if (NULL == strstr(csp->actions_list[i]->filename, "standard.action") && NULL != csp->config->actions_file_short[i]) + if ((csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS) + && (NULL == strstr(csp->actions_list[i]->filename, "standard.action")) + && (NULL != csp->config->actions_file_short[i])) { - snprintf(buf, 100, "  Edit", csp->config->actions_file_short[i]); - if (!err) err = string_append(&s, buf); +#ifdef HAVE_ACCESS + if (access(csp->config->actions_file[i], W_OK) == 0) + { +#endif /* def HAVE_ACCESS */ + snprintf(buf, sizeof(buf), "  Edit", i); + if (!err) err = string_append(&s, buf); +#ifdef HAVE_ACCESS + } + else + { + if (!err) err = string_append(&s, "  No write access."); + } +#endif /* def HAVE_ACCESS */ } #endif @@ -1079,11 +1371,12 @@ jb_err cgi_show_status(struct client_state *csp, s = strdup(""); for (i = 0; i < MAX_AF_FILES; i++) { - if (((fl = csp->rlist[i]) != NULL) && ((b = fl->f) != NULL)) + if (csp->rlist[i] != NULL) { if (!err) err = string_append(&s, ""); if (!err) err = string_join(&s, html_encode(csp->rlist[i]->filename)); - snprintf(buf, 100, "View", i); + snprintf(buf, sizeof(buf), + "View", i); if (!err) err = string_append(&s, buf); if (!err) err = string_append(&s, "\n"); } @@ -1112,6 +1405,13 @@ jb_err cgi_show_status(struct client_state *csp, if (!err) err = map_block_killer(exports, "trust-support"); #endif /* ndef FEATURE_TRUST */ +#ifdef FEATURE_CGI_EDIT_ACTIONS + if (!err && (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS)) + { + err = map_block_killer(exports, "cgi-editor-is-disabled"); + } +#endif /* ndef CGI_EDIT_ACTIONS */ + if (err) { free_map(exports); @@ -1205,24 +1505,32 @@ jb_err cgi_show_url_info(struct client_state *csp, url_param[0] = '\0'; } } - else if (url_param[0] != '\0') + else if ((url_param[0] != '\0') && (NULL == strstr(url_param, "://"))) { - /* - * Unknown prefix - assume http:// - */ - char * url_param_prefixed = malloc(7 + 1 + strlen(url_param)); - if (NULL == url_param_prefixed) + /* No prefix - assume http:// */ + char *url_param_prefixed = strdup("http://"); + + if (JB_ERR_OK != string_join(&url_param_prefixed, url_param)) { - free(url_param); free_map(exports); return JB_ERR_MEMORY; } - strcpy(url_param_prefixed, "http://"); - strcpy(url_param_prefixed + 7, url_param); - free(url_param); url_param = url_param_prefixed; } + /* + * Hide "toggle off" warning if Privoxy is toggled on. + */ + if ( +#ifdef FEATURE_TOGGLE + (global_toggle_state == 1) && +#endif /* def FEATURE_TOGGLE */ + map_block_killer(exports, "privoxy-is-toggled-off") + ) + { + free_map(exports); + return JB_ERR_MEMORY; + } if (url_param[0] == '\0') { @@ -1265,7 +1573,9 @@ jb_err cgi_show_url_info(struct client_state *csp, return JB_ERR_MEMORY; } - err = parse_http_url(url_param, url_to_query, csp); + memset(url_to_query, '\0', sizeof(url_to_query)); + err = parse_http_url(url_param, url_to_query, REQUIRE_PROTOCOL); + assert((err != JB_ERR_OK) || (url_to_query->ssl == !strncmpic(url_param, "https://", 8))); free(url_param); @@ -1282,6 +1592,7 @@ jb_err cgi_show_url_info(struct client_state *csp, err = map(exports, "matches", 1, "[Invalid URL specified!]" , 1); if (!err) err = map(exports, "final", 1, lookup(exports, "default"), 1); + if (!err) err = map_block_killer(exports, "valid-url"); free_current_action(action); free_http_request(url_to_query); @@ -1296,7 +1607,7 @@ jb_err cgi_show_url_info(struct client_state *csp, } /* - * We have a warning about SSL paths. Hide it for insecure sites. + * We have a warning about SSL paths. Hide it for unencrypted sites. */ if (!url_to_query->ssl) { @@ -1309,12 +1620,12 @@ jb_err cgi_show_url_info(struct client_state *csp, } } - matches = strdup(""); + matches = strdup("
"); for (i = 0; i < MAX_AF_FILES; i++) { if (NULL == csp->config->actions_file_short[i] - || !strcmp(csp->config->actions_file_short[i], "standard")) continue; + || !strcmp(csp->config->actions_file_short[i], "standard.action")) continue; b = NULL; hits = 1; @@ -1325,14 +1636,30 @@ jb_err cgi_show_url_info(struct client_state *csp, /* FIXME: Hardcoded HTML! */ string_append(&matches, "\n"); hits = 0; @@ -1346,7 +1673,7 @@ jb_err cgi_show_url_info(struct client_state *csp, { string_append(&matches, "\n"); @@ -1369,16 +1696,118 @@ jb_err cgi_show_url_info(struct client_state *csp, } string_append(&matches, "
In file: "); string_join (&matches, html_encode(csp->config->actions_file_short[i])); - snprintf(buf, 150, ".action ", i); + snprintf(buf, sizeof(buf), " ", i); string_append(&matches, buf); string_append(&matches, "View"); #ifdef FEATURE_CGI_EDIT_ACTIONS - string_append(&matches, " config->actions_file_short[i])); - string_append(&matches, "\">Edit"); -#endif + if (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS) + { +#ifdef HAVE_ACCESS + if (access(csp->config->actions_file[i], W_OK) == 0) + { +#endif /* def HAVE_ACCESS */ + snprintf(buf, sizeof(buf), + " ", i); + string_append(&matches, buf); + string_append(&matches, "Edit"); +#ifdef HAVE_ACCESS + } + else + { + string_append(&matches, " No write access."); + } +#endif /* def HAVE_ACCESS */ + } +#endif /* FEATURE_CGI_EDIT_ACTIONS */ + string_append(&matches, "
{"); string_join (&matches, actions_to_html(csp, b->action)); - string_append(&matches, " }
\n"); + string_append(&matches, " }
\n"); string_join (&matches, html_encode(b->url->spec)); string_append(&matches, "
\n"); + /* + * XXX: Kludge to make sure the "Forward settings" section + * shows what forward-override{} would do with the requested URL. + * No one really cares how the CGI request would be forwarded + * if it wasn't intercepted as CGI request in the first place. + * + * From here on the action bitmask will no longer reflect + * the real url (http://config.privoxy.org/show-url-info?url=.*), + * but luckily it's no longer required later on anyway. + */ + free_current_action(csp->action); + get_url_actions(csp, url_to_query); + + /* + * Fill in forwarding settings. + * + * The possibilities are: + * - no forwarding + * - http forwarding only + * - socks4(a) forwarding only + * - socks4(a) and http forwarding. + * + * XXX: Parts of this code could be reused for the + * "forwarding-failed" template which currently doesn't + * display the proxy port and an eventual second forwarder. + */ + { + const struct forward_spec *fwd = forward_url(csp, url_to_query); + + if ((fwd->gateway_host == NULL) && (fwd->forward_host == NULL)) + { + if (!err) err = map_block_killer(exports, "socks-forwarder"); + if (!err) err = map_block_killer(exports, "http-forwarder"); + } + else + { + char port[10]; /* We save proxy ports as int but need a string here */ + + if (!err) err = map_block_killer(exports, "no-forwarder"); + + if (fwd->gateway_host != NULL) + { + char *socks_type = NULL; + + switch (fwd->type) + { + case SOCKS_4: + socks_type = "socks4"; + break; + case SOCKS_4A: + socks_type = "socks4a"; + break; + case SOCKS_5: + socks_type = "socks5"; + break; + default: + log_error(LOG_LEVEL_FATAL, "Unknown socks type: %d.", fwd->type); + } + + if (!err) err = map(exports, "socks-type", 1, socks_type, 1); + if (!err) err = map(exports, "gateway-host", 1, fwd->gateway_host, 1); + snprintf(port, sizeof(port), "%d", fwd->gateway_port); + if (!err) err = map(exports, "gateway-port", 1, port, 1); + } + else + { + if (!err) err = map_block_killer(exports, "socks-forwarder"); + } + + if (fwd->forward_host != NULL) + { + if (!err) err = map(exports, "forward-host", 1, fwd->forward_host, 1); + snprintf(port, sizeof(port), "%d", fwd->forward_port); + if (!err) err = map(exports, "forward-port", 1, port, 1); + } + else + { + if (!err) err = map_block_killer(exports, "http-forwarder"); + } + } + } + free_http_request(url_to_query); - if (matches == NULL) + if (err || matches == NULL) { free_current_action(action); free_map(exports); return JB_ERR_MEMORY; } - if (map(exports, "matches", 1, matches , 0)) +#ifdef FEATURE_CGI_EDIT_ACTIONS + if ((csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS)) + { + err = map_block_killer(exports, "cgi-editor-is-disabled"); + } +#endif /* FEATURE_CGI_EDIT_ACTIONS */ + + /* + * If zlib support is available, if no content filters + * are enabled or if the prevent-compression action is enabled, + * suppress the "compression could prevent filtering" warning. + */ +#ifndef FEATURE_ZLIB + if (!content_filters_enabled(action) || + (action->flags & ACTION_NO_COMPRESSION)) +#endif + { + if (!err) err = map_block_killer(exports, "filters-might-be-ineffective"); + } + + if (err || map(exports, "matches", 1, matches , 0)) { free_current_action(action); free_map(exports); @@ -1424,6 +1853,9 @@ jb_err cgi_robots_txt(struct client_state *csp, char buf[100]; jb_err err; + (void)csp; + (void)parameters; + rsp->body = strdup( "# This is the Privoxy control interface.\n" "# It isn't very useful to index it, and you're likely to break stuff.\n" @@ -1441,7 +1873,7 @@ jb_err cgi_robots_txt(struct client_state *csp, rsp->is_static = 1; - get_http_time(7 * 24 * 60 * 60, buf); /* 7 days into future */ + get_http_time(7 * 24 * 60 * 60, buf, sizeof(buf)); /* 7 days into future */ if (!err) err = enlist_unique_header(rsp->headers, "Expires", buf); return (err ? JB_ERR_MEMORY : JB_ERR_OK); @@ -1474,15 +1906,15 @@ static jb_err show_defines(struct map *exports) #ifdef FEATURE_CGI_EDIT_ACTIONS if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 1); -#else /* ifndef FEATURE_COOKIE_JAR */ +#else /* ifndef FEATURE_CGI_EDIT_ACTIONS */ if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 0); -#endif /* ndef FEATURE_COOKIE_JAR */ +#endif /* ndef FEATURE_CGI_EDIT_ACTIONS */ -#ifdef FEATURE_COOKIE_JAR - if (!err) err = map_conditional(exports, "FEATURE_COOKIE_JAR", 1); -#else /* ifndef FEATURE_COOKIE_JAR */ - if (!err) err = map_conditional(exports, "FEATURE_COOKIE_JAR", 0); -#endif /* ndef FEATURE_COOKIE_JAR */ +#ifdef FEATURE_CONNECTION_KEEP_ALIVE + if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 1); +#else /* ifndef FEATURE_CGI_EDIT_ACTIONS */ + if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 0); +#endif /* ndef FEATURE_CONNECTION_KEEP_ALIVE */ #ifdef FEATURE_FAST_REDIRECTS if (!err) err = map_conditional(exports, "FEATURE_FAST_REDIRECTS", 1); @@ -1516,11 +1948,11 @@ static jb_err show_defines(struct map *exports) if (!err) err = map_conditional(exports, "FEATURE_IMAGE_DETECT_MSIE", 0); #endif /* ndef FEATURE_IMAGE_DETECT_MSIE */ -#ifdef FEATURE_KILL_POPUPS - if (!err) err = map_conditional(exports, "FEATURE_KILL_POPUPS", 1); -#else /* ifndef FEATURE_KILL_POPUPS */ - if (!err) err = map_conditional(exports, "FEATURE_KILL_POPUPS", 0); -#endif /* ndef FEATURE_KILL_POPUPS */ +#ifdef HAVE_RFC2553 + if (!err) err = map_conditional(exports, "FEATURE_IPV6_SUPPORT", 1); +#else /* ifndef HAVE_RFC2553 */ + if (!err) err = map_conditional(exports, "FEATURE_IPV6_SUPPORT", 0); +#endif /* ndef HAVE_RFC2553 */ #ifdef FEATURE_NO_GIFS if (!err) err = map_conditional(exports, "FEATURE_NO_GIFS", 1); @@ -1552,6 +1984,12 @@ static jb_err show_defines(struct map *exports) if (!err) err = map_conditional(exports, "FEATURE_TRUST", 0); #endif /* ndef FEATURE_TRUST */ +#ifdef FEATURE_ZLIB + if (!err) err = map_conditional(exports, "FEATURE_ZLIB", 1); +#else /* ifndef FEATURE_ZLIB */ + if (!err) err = map_conditional(exports, "FEATURE_ZLIB", 0); +#endif /* ndef FEATURE_ZLIB */ + #ifdef STATIC_PCRE if (!err) err = map_conditional(exports, "STATIC_PCRE", 1); #else /* ifndef STATIC_PCRE */ @@ -1592,7 +2030,7 @@ static char *show_rcs(void) #define SHOW_RCS(__x) \ { \ extern const char __x[]; \ - sprintf(buf, "%s\n", __x); \ + snprintf(buf, sizeof(buf), " %s\n", __x); \ string_append(&result, buf); \ } @@ -1628,10 +2066,6 @@ static char *show_rcs(void) SHOW_RCS(jbsockets_rcs) SHOW_RCS(jcc_h_rcs) SHOW_RCS(jcc_rcs) -#ifdef FEATURE_KILL_POPUPS - SHOW_RCS(killpopup_h_rcs) - SHOW_RCS(killpopup_rcs) -#endif /* def FEATURE_KILL_POPUPS */ SHOW_RCS(list_h_rcs) SHOW_RCS(list_rcs) SHOW_RCS(loadcfg_h_rcs) @@ -1668,6 +2102,198 @@ static char *show_rcs(void) } +/********************************************************************* + * + * Function : cgi_show_file + * + * Description : CGI function that shows the content of a + * configuration file. + * + * 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, + * valid values are: + * - "a"ction file + * - "r"egex + * - "t"rust + * Default is to show menu and other information. + * + * Returns : JB_ERR_OK on success + * JB_ERR_MEMORY on out-of-memory error. + * + *********************************************************************/ +static jb_err cgi_show_file(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + unsigned i; + const char * filename = NULL; + char * file_description = NULL; + + assert(csp); + assert(rsp); + assert(parameters); + + switch (*(lookup(parameters, "file"))) + { + case 'a': + if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->actions_list[i]) + { + filename = csp->actions_list[i]->filename; + file_description = "Actions File"; + } + break; + + case 'f': + if (!get_number_param(csp, parameters, "index", &i) && i < MAX_AF_FILES && csp->rlist[i]) + { + filename = csp->rlist[i]->filename; + file_description = "Filter File"; + } + break; + +#ifdef FEATURE_TRUST + case 't': + if (csp->tlist) + { + filename = csp->tlist->filename; + file_description = "Trust File"; + } + break; +#endif /* def FEATURE_TRUST */ + } + + if (NULL != filename) + { + struct map *exports; + char *s; + jb_err err; + size_t length; + + exports = default_exports(csp, "show-status"); + if (NULL == exports) + { + return JB_ERR_MEMORY; + } + + if ( map(exports, "file-description", 1, file_description, 1) + || map(exports, "filepath", 1, html_encode(filename), 0) ) + { + free_map(exports); + return JB_ERR_MEMORY; + } + + err = load_file(filename, &s, &length); + if (JB_ERR_OK != err) + { + if (map(exports, "contents", 1, "

ERROR OPENING FILE!

", 1)) + { + free_map(exports); + return JB_ERR_MEMORY; + } + } + else + { + s = html_encode_and_free_original(s); + if (NULL == s) + { + return JB_ERR_MEMORY; + } + + if (map(exports, "contents", 1, s, 0)) + { + free_map(exports); + return JB_ERR_MEMORY; + } + } + + return template_fill_for_cgi(csp, "show-status-file", exports, rsp); + } + + return JB_ERR_CGI_PARAMS; +} + + +/********************************************************************* + * + * Function : load_file + * + * Description : Loads a file into a buffer. + * + * Parameters : + * 1 : filename = Name of the file to be loaded. + * 2 : buffer = Used to return the file's content. + * 3 : length = Used to return the size of the file. + * + * Returns : JB_ERR_OK in case of success, + * JB_ERR_FILE in case of ordinary file loading errors + * (fseek() and ftell() errors are fatal) + * JB_ERR_MEMORY in case of out-of-memory. + * + *********************************************************************/ +static jb_err load_file(const char *filename, char **buffer, size_t *length) +{ + FILE *fp; + long ret; + jb_err err = JB_ERR_OK; + + fp = fopen(filename, "rb"); + if (NULL == fp) + { + return JB_ERR_FILE; + } + + /* Get file length */ + if (fseek(fp, 0, SEEK_END)) + { + log_error(LOG_LEVEL_FATAL, + "Unexpected error while fseek()ing to the end of %s: %E", + filename); + } + ret = ftell(fp); + if (-1 == ret) + { + log_error(LOG_LEVEL_FATAL, + "Unexpected ftell() error while loading %s: %E", + filename); + } + *length = (size_t)ret; + + /* Go back to the beginning. */ + if (fseek(fp, 0, SEEK_SET)) + { + log_error(LOG_LEVEL_FATAL, + "Unexpected error while fseek()ing to the beginning of %s: %E", + filename); + } + + *buffer = (char *)zalloc(*length + 1); + if (NULL == *buffer) + { + err = JB_ERR_MEMORY; + } + else if (!fread(*buffer, *length, 1, fp)) + { + /* + * May happen if the file size changes between fseek() and + * fread(). If it does, we just log it and serve what we got. + */ + log_error(LOG_LEVEL_ERROR, + "Couldn't completely read file %s.", filename); + err = JB_ERR_FILE; + } + + fclose(fp); + + return err; + +} + + /* Local Variables: tab-width: 3