X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=cgisimple.c;h=562eeb63bb91e8ab4bdb0f5c083811f26582afb6;hp=aaa3cd7320e7a977758509f7f6f616e87e0df357;hb=d5518845fc94b0a0c65d8d5b662c672290463f0e;hpb=9587e49bd27e17cf3684d853f50714442494b2c3 diff --git a/cgisimple.c b/cgisimple.c index aaa3cd73..562eeb63 100644 --- a/cgisimple.c +++ b/cgisimple.c @@ -1,4 +1,4 @@ -const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.122 2014/05/20 11:54:24 fabiankeil Exp $"; +const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.149 2017/05/04 14:33:17 fabiankeil Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $ @@ -6,7 +6,7 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.122 2014/05/20 11:54:24 fabia * Purpose : Simple CGIs to get information about Privoxy's * status. * - * Copyright : Written by and Copyright (C) 2001-2013 the + * Copyright : Written by and Copyright (C) 2001-2017 the * Privoxy team. http://www.privoxy.org/ * * Based on the Internet Junkbuster originally written @@ -60,6 +60,9 @@ const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.122 2014/05/20 11:54:24 fabia #include "parsers.h" #include "urlmatch.h" #include "errlog.h" +#ifdef FEATURE_CLIENT_TAGS +#include "client-tags.h" +#endif const char cgisimple_h_rcs[] = CGISIMPLE_H_VERSION; @@ -142,12 +145,7 @@ jb_err cgi_error_404(struct client_state *csp, return JB_ERR_MEMORY; } - rsp->status = strdup("404 Privoxy configuration page not found"); - if (rsp->status == NULL) - { - free_map(exports); - return JB_ERR_MEMORY; - } + rsp->status = strdup_or_die("404 Privoxy configuration page not found"); return template_fill_for_cgi(csp, "cgi-error-404", exports, rsp); } @@ -171,7 +169,6 @@ jb_err cgi_error_404(struct client_state *csp, * 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, @@ -184,7 +181,7 @@ jb_err cgi_die (struct client_state *csp, "\n" " Privoxy shutdown request received\n" " \n" - " \n" + " \n" "\n" "\n" "

Privoxy shutdown request received

\n" @@ -205,13 +202,8 @@ jb_err cgi_die (struct client_state *csp, rsp->head_length = 0; rsp->is_static = 0; - rsp->body = strdup(body); - rsp->status = strdup(status); - - if ((rsp->body == NULL) || (rsp->status == NULL)) - { - return JB_ERR_MEMORY; - } + rsp->body = strdup_or_die(body); + rsp->status = strdup_or_die(status); return JB_ERR_OK; } @@ -282,6 +274,242 @@ jb_err cgi_show_request(struct client_state *csp, } +#ifdef FEATURE_CLIENT_TAGS +/********************************************************************* + * + * Function : cgi_create_client_tag_form + * + * Description : Creates a HTML form to enable or disable a given + * client tag. + * XXX: Could use a template. + * + * Parameters : + * 1 : form = Buffer to fill with the generated form + * 2 : size = Size of the form buffer + * 3 : tag = Name of the tag this form should affect + * 4 : toggle_state = Desired state after the button pressed 0 + * 5 : expires = Whether or not the tag should be enabled. + * Only checked if toggle_state is 1. + * + * Returns : void + * + *********************************************************************/ +static void cgi_create_client_tag_form(char *form, size_t size, + const char *tag, int toggle_state, int expires) +{ + char *button_name; + + if (toggle_state == 1) + { + button_name = (expires == 1) ? "Enable" : "Enable temporarily"; + } + else + { + assert(toggle_state == 0); + button_name = "Disable"; + } + + snprintf(form, size, + "
\n" + " \n" + " \n" + " \n" + " \n" + "
", tag, toggle_state, !expires, button_name); +} + +/********************************************************************* + * + * Function : cgi_show_client_tags + * + * Description : Shows the tags that can be set based on the client + * address (opt-in). + * + * 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_show_client_tags(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + struct map *exports; + struct client_tag_spec *this_tag; + jb_err err = JB_ERR_OK; + char *client_tag_status; + char buf[1000]; + time_t refresh_delay; + + assert(csp); + assert(rsp); + assert(parameters); + + if (NULL == (exports = default_exports(csp, "client-tags"))) + { + return JB_ERR_MEMORY; + } + assert(csp->client_address != NULL); + + this_tag = csp->config->client_tags; + if (this_tag->name == NULL) + { + client_tag_status = strdup_or_die("

No tags available.

\n"); + } + else + { + client_tag_status = strdup_or_die("\n" + "\n" + "\n"); + while ((this_tag != NULL) && (this_tag->name != NULL)) + { + int tag_state; + + privoxy_mutex_lock(&client_tags_mutex); + tag_state = client_has_requested_tag(csp->client_address, this_tag->name); + privoxy_mutex_unlock(&client_tags_mutex); + if (!err) err = string_append(&client_tag_status, "\n"); + if (err) + { + break; + } + this_tag = this_tag->next; + } + if (!err) err = string_append(&client_tag_status, "
Tag nameCurrent stateChange stateDescription
"); + if (!err) err = string_append(&client_tag_status, this_tag->name); + if (!err) err = string_append(&client_tag_status, ""); + if (!err) err = string_append(&client_tag_status, tag_state == 1 ? "Enabled" : "Disabled"); + if (!err) err = string_append(&client_tag_status, ""); + cgi_create_client_tag_form(buf, sizeof(buf), this_tag->name, !tag_state, 1); + if (!err) err = string_append(&client_tag_status, buf); + if (tag_state == 0) + { + cgi_create_client_tag_form(buf, sizeof(buf), this_tag->name, !tag_state, 0); + if (!err) err = string_append(&client_tag_status, buf); + } + if (!err) err = string_append(&client_tag_status, ""); + if (!err) err = string_append(&client_tag_status, this_tag->description); + if (!err) err = string_append(&client_tag_status, "
\n"); + if (err) + { + free_map(exports); + return JB_ERR_MEMORY; + } + } + refresh_delay = get_next_tag_timeout_for_client(csp->client_address); + if (refresh_delay != 0) + { + snprintf(buf, sizeof(buf), "%d", csp->config->client_tag_lifetime); + if (map(exports, "refresh-delay", 1, buf, 1)) + { + free_map(exports); + return JB_ERR_MEMORY; + } + } + else + { + err = map_block_killer(exports, "tags-expire"); + if (err != JB_ERR_OK) + { + return err; + } + } + + if (map(exports, "client-tags", 1, client_tag_status, 0)) + { + free_map(exports); + return JB_ERR_MEMORY; + } + + if (map(exports, "client-ip-addr", 1, csp->client_address, 1)) + { + free_map(exports); + return JB_ERR_MEMORY; + } + + return template_fill_for_cgi(csp, "client-tags", exports, rsp); +} + + +/********************************************************************* + * + * Function : cgi_toggle_client_tag + * + * Description : Toggles a client tag and redirects to the show-tags + * page + * + * 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 + * 1 : tag = Name of the tag to enable or disable + * 2 : toggle-state = How to toggle the tag (0/1) + * 3 : expires = Set to 1 if the tag should be enabled + * temporarily, otherwise set to 0 + * + * Returns : JB_ERR_OK on success + * JB_ERR_MEMORY on out-of-memory error. + * + *********************************************************************/ +jb_err cgi_toggle_client_tag(struct client_state *csp, + struct http_response *rsp, + const struct map *parameters) +{ + const char *toggled_tag; + const char *toggle_state; + const char *tag_expires; + time_t time_to_live; + + assert(csp); + assert(rsp); + assert(parameters); + + toggled_tag = lookup(parameters, "tag"); + if (*toggled_tag == '\0') + { + log_error(LOG_LEVEL_ERROR, "Received tag toggle request without tag"); + } + else + { + tag_expires = lookup(parameters, "expires"); + if (*tag_expires == '0') + { + time_to_live = 0; + } + else + { + time_to_live = csp->config->client_tag_lifetime; + } + toggle_state = lookup(parameters, "toggle-state"); + if (*toggle_state == '1') + { + enable_client_specific_tag(csp, toggled_tag, time_to_live); + } + else + { + disable_client_specific_tag(csp, toggled_tag); + } + } + rsp->status = strdup_or_die("302 Done dealing with toggle request"); + if (enlist_unique_header(rsp->headers, + "Location", CGI_PREFIX "client-tags")) + { + return JB_ERR_MEMORY; + } + return JB_ERR_OK; + +} +#endif /* def FEATURE_CLIENT_TAGS */ + + /********************************************************************* * * Function : cgi_send_banner @@ -374,11 +602,7 @@ jb_err cgi_send_banner(struct client_state *csp, */ if (imagetype == 'r') { - rsp->status = strdup("302 Local Redirect from Privoxy"); - if (rsp->status == NULL) - { - return JB_ERR_MEMORY; - } + rsp->status = strdup_or_die("302 Local Redirect from Privoxy"); if (enlist_unique_header(rsp->headers, "Location", csp->action->string[ACTION_STRING_IMAGE_BLOCKER])) { @@ -697,8 +921,8 @@ static const char *get_content_type(const char *filename) int i; struct content_type { - const char *extension; - const char *content_type; + const char extension[6]; + const char content_type[11]; }; static const struct content_type content_types[] = { @@ -963,7 +1187,7 @@ jb_err cgi_show_status(struct client_state *csp, } #else /* ndef FEATURE_STATISTICS */ - err = err || map_block_killer(exports, "statistics"); + if (!err) err = map_block_killer(exports, "statistics"); #endif /* ndef FEATURE_STATISTICS */ /* @@ -985,7 +1209,6 @@ jb_err cgi_show_status(struct client_state *csp, #ifdef FEATURE_CGI_EDIT_ACTIONS 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])) { #ifdef HAVE_ACCESS @@ -1064,6 +1287,8 @@ jb_err cgi_show_status(struct client_state *csp, } #endif /* ndef CGI_EDIT_ACTIONS */ + if (!err) err = map(exports, "force-prefix", 1, FORCE_PREFIX, 1); + if (err) { free_map(exports); @@ -1117,12 +1342,7 @@ jb_err cgi_show_url_info(struct client_state *csp, /* * Get the url= parameter (if present) and remove any leading/trailing spaces. */ - url_param = strdup(lookup(parameters, "url")); - if (url_param == NULL) - { - free_map(exports); - return JB_ERR_MEMORY; - } + url_param = strdup_or_die(lookup(parameters, "url")); chomp(url_param); /* @@ -1165,7 +1385,7 @@ jb_err cgi_show_url_info(struct client_state *csp, * No prefix or at least no prefix before * the first slash - assume http:// */ - char *url_param_prefixed = strdup("http://"); + char *url_param_prefixed = strdup_or_die("http://"); if (JB_ERR_OK != string_join(&url_param_prefixed, url_param)) { @@ -1185,6 +1405,7 @@ jb_err cgi_show_url_info(struct client_state *csp, map_block_killer(exports, "privoxy-is-toggled-off") ) { + freez(url_param); free_map(exports); return JB_ERR_MEMORY; } @@ -1277,7 +1498,7 @@ jb_err cgi_show_url_info(struct client_state *csp, } } - matches = strdup(""); + matches = strdup_or_die("
"); for (i = 0; i < MAX_AF_FILES; i++) { @@ -1516,7 +1737,7 @@ jb_err cgi_robots_txt(struct client_state *csp, (void)csp; (void)parameters; - rsp->body = strdup( + rsp->body = strdup_or_die( "# 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" @@ -1524,10 +1745,6 @@ jb_err cgi_robots_txt(struct client_state *csp, "User-agent: *\n" "Disallow: /\n" "\n"); - if (rsp->body == NULL) - { - return JB_ERR_MEMORY; - } err = enlist_unique(rsp->headers, "Content-Type: text/plain", 13); @@ -1564,6 +1781,14 @@ static jb_err show_defines(struct map *exports) }; static const struct feature features[] = { + { + "FEATURE_64_BIT_TIME_T", +#if (SIZEOF_TIME_T == 8) + 1, +#else + 0, +#endif + }, { "FEATURE_ACCEPT_FILTER", #ifdef FEATURE_ACCEPT_FILTER @@ -1586,6 +1811,14 @@ static jb_err show_defines(struct map *exports) 1, #else 0, +#endif + }, + { + "FEATURE_CLIENT_TAGS", +#ifdef FEATURE_CLIENT_TAGS + 1, +#else + 0, #endif }, { @@ -1610,6 +1843,14 @@ static jb_err show_defines(struct map *exports) 1, #else 0, +#endif + }, + { + "FEATURE_EXTERNAL_FILTERS", +#ifdef FEATURE_EXTERNAL_FILTERS + 1, +#else + 0, #endif }, { @@ -1642,14 +1883,6 @@ static jb_err show_defines(struct map *exports) 1, #else 0, -#endif - }, - { - "FEATURE_IMAGE_DETECT_MSIE", -#ifdef FEATURE_IMAGE_DETECT_MSIE - 1, -#else - 0, #endif }, { @@ -1753,7 +1986,7 @@ static jb_err show_defines(struct map *exports) *********************************************************************/ static char *show_rcs(void) { - char *result = strdup(""); + char *result = strdup_or_die(""); char buf[BUFFER_SIZE]; /* Instead of including *all* dot h's in the project (thus creating a @@ -1783,9 +2016,6 @@ static char *show_rcs(void) #endif /* def FEATURE_CGI_EDIT_ACTIONS */ SHOW_RCS(cgisimple_h_rcs) SHOW_RCS(cgisimple_rcs) -#ifdef __MINGW32__ - SHOW_RCS(cygwin_h_rcs) -#endif SHOW_RCS(deanimate_h_rcs) SHOW_RCS(deanimate_rcs) SHOW_RCS(encode_h_rcs) @@ -1935,6 +2165,7 @@ static jb_err cgi_show_file(struct client_state *csp, s = html_encode_and_free_original(s); if (NULL == s) { + free_map(exports); return JB_ERR_MEMORY; } @@ -2006,19 +2237,18 @@ static jb_err load_file(const char *filename, char **buffer, size_t *length) filename); } - *buffer = (char *)zalloc(*length + 1); - if (NULL == *buffer) - { - err = JB_ERR_MEMORY; - } - else if (!fread(*buffer, *length, 1, fp)) + *buffer = zalloc_or_die(*length + 1); + + if (1 != 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. + * May theoretically happen if the file size changes between + * fseek() and fread() because it's edited in-place. Privoxy + * and common text editors don't do that, thus we just fail. */ log_error(LOG_LEVEL_ERROR, "Couldn't completely read file %s.", filename); + freez(*buffer); err = JB_ERR_FILE; }