-const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.115 2012/03/09 17:55:49 fabiankeil Exp $";
+const char cgisimple_rcs[] = "$Id: cgisimple.c,v 1.140 2016/05/08 10:46:18 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/cgisimple.c,v $
* Purpose : Simple CGIs to get information about Privoxy's
* status.
*
- * Copyright : Written by and Copyright (C) 2001-2011 the
+ * Copyright : Written by and Copyright (C) 2001-2016 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
#include <string.h>
#include <assert.h>
-#ifdef HAVE_ACCESS
+#if defined (HAVE_ACCESS) && defined (HAVE_UNISTD_H)
#include <unistd.h>
-#endif /* def HAVE_ACCESS */
+#endif /* def HAVE_ACCESS && HAVE_UNISTD_H */
#include "project.h"
#include "cgi.h"
#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;
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);
}
* 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,
"<head>\n"
" <title>Privoxy shutdown request received</title>\n"
" <link rel=\"shortcut icon\" href=\"" CGI_PREFIX "error-favicon.ico\" type=\"image/x-icon\">\n"
- " <link rel=\"stylesheet\" type=\"text/css\" href=\"http://config.privoxy.org/send-stylesheet\">\n"
+ " <link rel=\"stylesheet\" type=\"text/css\" href=\"" CGI_PREFIX "send-stylesheet\">\n"
"</head>\n"
"<body>\n"
"<h1>Privoxy shutdown request received</h1>\n"
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;
}
/*
* Repair the damage done to the IOB by get_header()
*/
- for (p = csp->client_iob->buf; p < csp->client_iob->eod; p++)
+ for (p = csp->client_iob->buf; p < csp->client_iob->cur; p++)
{
if (*p == '\0') *p = '\n';
}
}
+#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,
+ "<form method=\"GET\" action=\"client-tags\" style=\"display: inline\">\n"
+ " <input type=\"hidden\" name=\"tag\" value=\"%s\">\n"
+ " <input type=\"hidden\" name=\"toggle-state\" value=\"%u\">\n"
+ " <input type=\"hidden\" name=\"expires\" value=\"%u\">\n"
+ " <input type=\"submit\" value=\"%s\">\n"
+ "</form>", 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;
+ const char *toggled_tag;
+ const char *toggle_state;
+ const char *tag_expires;
+ time_t time_to_live;
+ char *client_tag_status;
+ char buf[1000];
+
+ assert(csp);
+ assert(rsp);
+ assert(parameters);
+
+ if (NULL == (exports = default_exports(csp, "client-tags")))
+ {
+ return JB_ERR_MEMORY;
+ }
+
+ toggled_tag = lookup(parameters, "tag");
+ if (*toggled_tag != '\0')
+ {
+ 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);
+ }
+ }
+ this_tag = csp->config->client_tags;
+ if (this_tag->name == NULL)
+ {
+ client_tag_status = strdup_or_die("<p>No tags available.</p>\n");
+ }
+ else
+ {
+ client_tag_status = strdup_or_die("<table border=\"1\">\n"
+ "<tr><th>Tag name</th>\n"
+ "<th>Current state</th><th>Change state</th><th>Description</th></tr>\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->ip_addr_str, this_tag->name);
+ privoxy_mutex_unlock(&client_tags_mutex);
+ if (!err) err = string_append(&client_tag_status, "<tr><td>");
+ if (!err) err = string_append(&client_tag_status, this_tag->name);
+ if (!err) err = string_append(&client_tag_status, "</td><td>");
+ if (!err) err = string_append(&client_tag_status, tag_state == 1 ? "Enabled" : "Disabled");
+ if (!err) err = string_append(&client_tag_status, "</td><td>");
+ 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, "</td><td>");
+ if (!err) err = string_append(&client_tag_status, this_tag->description);
+ if (!err) err = string_append(&client_tag_status, "</td></tr>\n");
+ if (err)
+ {
+ free_map(exports);
+ return JB_ERR_MEMORY;
+ }
+ this_tag = this_tag->next;
+ }
+ if (!err) err = string_append(&client_tag_status, "</table>\n");
+ }
+
+ 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->ip_addr_str, 1))
+ {
+ free_map(exports);
+ return JB_ERR_MEMORY;
+ }
+
+ return template_fill_for_cgi(csp, "client-tags", exports, rsp);
+}
+#endif /* def FEATURE_CLIENT_TAGS */
+
+
/*********************************************************************
*
* Function : cgi_send_banner
*/
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]))
{
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[] =
{
}
#else /* ndef FEATURE_STATISTICS */
- err = err || map_block_killer(exports, "statistics");
+ if (!err) err = map_block_killer(exports, "statistics");
#endif /* ndef FEATURE_STATISTICS */
/*
#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
}
#endif /* ndef CGI_EDIT_ACTIONS */
+ if (!err) err = map(exports, "force-prefix", 1, FORCE_PREFIX, 1);
+
if (err)
{
free_map(exports);
/*
* 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);
/*
* 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))
{
map_block_killer(exports, "privoxy-is-toggled-off")
)
{
+ freez(url_param);
free_map(exports);
return JB_ERR_MEMORY;
}
}
}
- matches = strdup("<table summary=\"\" class=\"transparent\">");
+ matches = strdup_or_die("<table summary=\"\" class=\"transparent\">");
for (i = 0; i < MAX_AF_FILES; i++)
{
case SOCKS_5:
socks_type = "socks5";
break;
+ case SOCKS_5T:
+ socks_type = "socks5t";
+ break;
default:
log_error(LOG_LEVEL_FATAL, "Unknown socks type: %d.", fwd->type);
}
(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"
"User-agent: *\n"
"Disallow: /\n"
"\n");
- if (rsp->body == NULL)
- {
- return JB_ERR_MEMORY;
- }
err = enlist_unique(rsp->headers, "Content-Type: text/plain", 13);
static jb_err show_defines(struct map *exports)
{
jb_err err = JB_ERR_OK;
+ int i;
+ struct feature {
+ const char name[31];
+ const unsigned char is_available;
+ };
+ 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
- if (!err) err = map_conditional(exports, "FEATURE_ACCEPT_FILTER", 1);
-#else /* ifndef FEATURE_ACCEPT_FILTER */
- if (!err) err = map_conditional(exports, "FEATURE_ACCEPT_FILTER", 0);
-#endif /* ndef FEATURE_ACCEPT_FILTER */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_ACL",
#ifdef FEATURE_ACL
- if (!err) err = map_conditional(exports, "FEATURE_ACL", 1);
-#else /* ifndef FEATURE_ACL */
- if (!err) err = map_conditional(exports, "FEATURE_ACL", 0);
-#endif /* ndef FEATURE_ACL */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_CGI_EDIT_ACTIONS",
#ifdef FEATURE_CGI_EDIT_ACTIONS
- if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 1);
-#else /* ifndef FEATURE_CGI_EDIT_ACTIONS */
- if (!err) err = map_conditional(exports, "FEATURE_CGI_EDIT_ACTIONS", 0);
-#endif /* ndef FEATURE_CGI_EDIT_ACTIONS */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_CLIENT_TAGS",
+#ifdef FEATURE_CLIENT_TAGS
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_COMPRESSION",
#ifdef FEATURE_COMPRESSION
- if (!err) err = map_conditional(exports, "FEATURE_COMPRESSION", 1);
-#else /* ifndef FEATURE_COMPRESSION */
- if (!err) err = map_conditional(exports, "FEATURE_COMPRESSION", 0);
-#endif /* ndef FEATURE_COMPRESSION */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_CONNECTION_KEEP_ALIVE",
#ifdef FEATURE_CONNECTION_KEEP_ALIVE
- if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 1);
-#else /* ifndef FEATURE_CONNECTION_KEEP_ALIVE */
- if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_KEEP_ALIVE", 0);
-#endif /* ndef FEATURE_CONNECTION_KEEP_ALIVE */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_CONNECTION_SHARING",
#ifdef FEATURE_CONNECTION_SHARING
- if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_SHARING", 1);
-#else /* ifndef FEATURE_CONNECTION_SHARING */
- if (!err) err = map_conditional(exports, "FEATURE_CONNECTION_SHARING", 0);
-#endif /* ndef FEATURE_CONNECTION_SHARING */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_FAST_REDIRECTS",
#ifdef FEATURE_FAST_REDIRECTS
- if (!err) err = map_conditional(exports, "FEATURE_FAST_REDIRECTS", 1);
-#else /* ifndef FEATURE_FAST_REDIRECTS */
- if (!err) err = map_conditional(exports, "FEATURE_FAST_REDIRECTS", 0);
-#endif /* ndef FEATURE_FAST_REDIRECTS */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_FORCE_LOAD",
#ifdef FEATURE_FORCE_LOAD
- if (!err) err = map_conditional(exports, "FEATURE_FORCE_LOAD", 1);
- if (!err) err = map(exports, "FORCE_PREFIX", 1, FORCE_PREFIX, 1);
-#else /* ifndef FEATURE_FORCE_LOAD */
- if (!err) err = map_conditional(exports, "FEATURE_FORCE_LOAD", 0);
- if (!err) err = map(exports, "FORCE_PREFIX", 1, "(none - disabled)", 1);
-#endif /* ndef FEATURE_FORCE_LOAD */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_GRACEFUL_TERMINATION",
#ifdef FEATURE_GRACEFUL_TERMINATION
- if (!err) err = map_conditional(exports, "FEATURE_GRACEFUL_TERMINATION", 1);
-#else /* ifndef FEATURE_GRACEFUL_TERMINATION */
- if (!err) err = map_conditional(exports, "FEATURE_GRACEFUL_TERMINATION", 0);
-#endif /* ndef FEATURE_GRACEFUL_TERMINATION */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_IMAGE_BLOCKING",
#ifdef FEATURE_IMAGE_BLOCKING
- if (!err) err = map_conditional(exports, "FEATURE_IMAGE_BLOCKING", 1);
-#else /* ifndef FEATURE_IMAGE_BLOCKING */
- if (!err) err = map_conditional(exports, "FEATURE_IMAGE_BLOCKING", 0);
-#endif /* ndef FEATURE_IMAGE_BLOCKING */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_IMAGE_DETECT_MSIE",
#ifdef FEATURE_IMAGE_DETECT_MSIE
- if (!err) err = map_conditional(exports, "FEATURE_IMAGE_DETECT_MSIE", 1);
-#else /* ifndef FEATURE_IMAGE_DETECT_MSIE */
- if (!err) err = map_conditional(exports, "FEATURE_IMAGE_DETECT_MSIE", 0);
-#endif /* ndef FEATURE_IMAGE_DETECT_MSIE */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_IPV6_SUPPORT",
#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 */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_NO_GIFS",
#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 */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_PTHREAD",
#ifdef FEATURE_PTHREAD
- if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 1);
-#else /* ifndef FEATURE_PTHREAD */
- if (!err) err = map_conditional(exports, "FEATURE_PTHREAD", 0);
-#endif /* ndef FEATURE_PTHREAD */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_STATISTICS",
#ifdef FEATURE_STATISTICS
- if (!err) err = map_conditional(exports, "FEATURE_STATISTICS", 1);
-#else /* ifndef FEATURE_STATISTICS */
- if (!err) err = map_conditional(exports, "FEATURE_STATISTICS", 0);
-#endif /* ndef FEATURE_STATISTICS */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_STRPTIME_SANITY_CHECKS",
+#ifdef FEATURE_STRPTIME_SANITY_CHECKS
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_TOGGLE",
#ifdef FEATURE_TOGGLE
- if (!err) err = map_conditional(exports, "FEATURE_TOGGLE", 1);
-#else /* ifndef FEATURE_TOGGLE */
- if (!err) err = map_conditional(exports, "FEATURE_TOGGLE", 0);
-#endif /* ndef FEATURE_TOGGLE */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_TRUST",
#ifdef FEATURE_TRUST
- if (!err) err = map_conditional(exports, "FEATURE_TRUST", 1);
-#else /* ifndef FEATURE_TRUST */
- if (!err) err = map_conditional(exports, "FEATURE_TRUST", 0);
-#endif /* ndef FEATURE_TRUST */
-
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_ZLIB",
#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 */
- if (!err) err = map_conditional(exports, "STATIC_PCRE", 0);
-#endif /* ndef STATIC_PCRE */
-
-#ifdef STATIC_PCRS
- if (!err) err = map_conditional(exports, "STATIC_PCRS", 1);
-#else /* ifndef STATIC_PCRS */
- if (!err) err = map_conditional(exports, "STATIC_PCRS", 0);
-#endif /* ndef STATIC_PCRS */
+ 1,
+#else
+ 0,
+#endif
+ },
+ {
+ "FEATURE_DYNAMIC_PCRE",
+#ifdef FEATURE_DYNAMIC_PCRE
+ 1,
+#else
+ 0,
+#endif
+ }
+ };
+
+ for (i = 0; i < SZ(features); i++)
+ {
+ err = map_conditional(exports, features[i].name, features[i].is_available);
+ if (err)
+ {
+ break;
+ }
+ }
return err;
+
}
*********************************************************************/
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
s = html_encode_and_free_original(s);
if (NULL == s)
{
+ free_map(exports);
return JB_ERR_MEMORY;
}
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;
}