X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=cgisimple.c;h=76eef051b95f6046db6f0a6e7f8663c26bc1b2cb;hb=41eacd73b8d878f542afd6cdaab7abfeda89b017;hp=f9ddbe2ecc2aefab1741b11bc9117eda9c4d4076;hpb=4119f0492859fae054d2bb62b933a996004b245a;p=privoxy.git diff --git a/cgisimple.c b/cgisimple.c index f9ddbe2e..76eef051 100644 --- a/cgisimple.c +++ b/cgisimple.c @@ -1,4 +1,4 @@ -const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.44 2006/12/22 14:19:27 fabiankeil Exp $"; +const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.51 2007/02/10 16:55:22 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $ @@ -9,7 +9,7 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.44 2006/12/22 14:19:27 fabian * Functions declared include: * * - * Copyright : Written by and Copyright (C) 2001 the SourceForge + * Copyright : Written by and Copyright (C) 2001-2007 the SourceForge * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -36,6 +36,32 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.44 2006/12/22 14:19:27 fabian * * Revisions : * $Log: cgisimple.c,v $ + * 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. @@ -270,6 +296,10 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.44 2006/12/22 14:19:27 fabian #include #include +#ifdef HAVE_ACCESS +#include +#endif /* def HAVE_ACCESS */ + #ifdef _WIN32 #define snprintf _snprintf #endif /* def _WIN32 */ @@ -294,6 +324,41 @@ const char cgisimple_h_rcs[] = CGISIMPLE_H_VERSION; static char *show_rcs(void); static jb_err show_defines(struct map *exports); +/* + * 16x16 ico blobs for favicon delivery functions. + */ +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"; +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"; +const size_t default_favicon_length = sizeof(default_favicon_data) - 1; +const size_t error_favicon_length = sizeof(error_favicon_data) - 1; /********************************************************************* * @@ -656,6 +721,88 @@ 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) +{ + rsp->body = bindup(default_favicon_data, default_favicon_length); + rsp->content_length = default_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) +{ + rsp->body = bindup(error_favicon_data, error_favicon_length); + rsp->content_length = error_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 @@ -762,15 +909,7 @@ jb_err cgi_send_user_manual(struct client_state *csp, } /* 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 */ { log_error(LOG_LEVEL_ERROR, "Cannot open user-manual file %s: %E", full_path); err = cgi_error_no_template(csp, rsp, full_path); @@ -784,18 +923,17 @@ jb_err cgi_send_user_manual(struct client_state *csp, fseek(fp, 0, SEEK_SET); /* Allocate memory and load the file directly into the body */ - rsp->body = (char *)malloc(length+1); + rsp->body = (char *)zalloc(length+1); if (!rsp->body) { fclose(fp); free(full_path); return JB_ERR_MEMORY; } - memset(rsp->body, '\0', length+1); if (!fread(rsp->body, length, 1, fp)) { /* - * This happens if we didn't fopen in binary mode. + * 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 user-manual file %s.", full_path); @@ -1068,8 +1206,20 @@ jb_err cgi_show_status(struct client_state *csp, #ifdef FEATURE_CGI_EDIT_ACTIONS if (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, 100, "  Edit", + csp->config->actions_file_short[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 @@ -1237,6 +1387,19 @@ jb_err cgi_show_url_info(struct client_state *csp, 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') { @@ -1323,7 +1486,7 @@ jb_err cgi_show_url_info(struct client_state *csp, } } - matches = strdup(""); + matches = strdup("
"); for (i = 0; i < MAX_AF_FILES; i++) { @@ -1360,7 +1523,7 @@ jb_err cgi_show_url_info(struct client_state *csp, { string_append(&matches, "\n"); @@ -1383,9 +1546,62 @@ jb_err cgi_show_url_info(struct client_state *csp, } 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"); + /* + * 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 eventuell second forwarder. + */ + { + const struct forward_spec * fwd = forward_url(url_to_query, csp); + + 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) + { + if (!err) err = map(exports, "socks-type", 1, (fwd->type == SOCKS_4) ? + "socks4" : "socks4a", 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); @@ -1566,6 +1782,12 @@ 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 */