*
* Stick to the short names in this file for consistency.
*
- * Copyright : Written by and Copyright (C) 2001-2014 the
+ * Copyright : Written by and Copyright (C) 2001-2023 the
* Privoxy team. https://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* Information about the filter types.
* Used for macro replacement in cgi_edit_actions_for_url.
*/
-struct filter_type_info
+struct action_type_info
{
const int multi_action_index; /**< The multi action index as defined in project.h */
const char *macro_name; /**< Name of the macro that has to be replaced
};
/* Accessed by index, keep the order in the way the FT_ macros are defined. */
-static const struct filter_type_info filter_type_info[] =
+static const struct action_type_info action_type_info[] =
{
{
ACTION_MULTI_FILTER,
"server-header-tagger-all", "server_header_tagger_all",
"E", "SERVER-HEADER-TAGGER"
},
+ {
+ ACTION_MULTI_SUPPRESS_TAG,
+ "suppress-tag-params", "suppress-tag",
+ "suppress-tag-all", "suppress_tag_all",
+ "U", "SUPPRESS-TAG"
+ },
+ {
+ ACTION_MULTI_CLIENT_BODY_FILTER,
+ "client-body-filter-params", "client-body-filter",
+ "client-body-filter-all", "client_body_filter_all",
+ "P", "CLIENT-BODY-FILTER"
+ },
+ {
+ ACTION_MULTI_CLIENT_BODY_TAGGER,
+ "client-body-tagger-params", "client-body-tagger",
+ "client-body-tagger-all", "client_body_tagger_all",
+ "Q", "CLIENT-BODY-TAGGER"
+ },
+ {
+ ACTION_MULTI_ADD_HEADER,
+ "add-header-params", "add-header",
+ "add-header-all", "add_header_all",
+ "H", "ADD-HEADER"
+ },
#ifdef FEATURE_EXTERNAL_FILTERS
{
ACTION_MULTI_EXTERNAL_FILTER,
"E", "EXTERNAL-CONTENT-FILTER"
},
#endif
+};
+
+/**
+ * Information about the string filter actions.
+ * Used for macro replacement in action_render_string_actions_template
+ */
+struct string_action_type_info
+{
+ const enum filter_type action_type; /**< Action type */
+ const char *description; /**< Action description */
+ const char *input_description; /**< Input field description */
+};
+
+/* String action types: special CGI handling */
+static const struct string_action_type_info string_action_type_info[] =
+{
{
- ACTION_MULTI_SUPPRESS_TAG,
- "suppress-tag-params", "suppress-tag",
- "suppress-tag-all", "suppress_tag_all",
- "U", "SUPPRESS-TAG"
+ FT_SUPPRESS_TAG,
+ "Suppress tag", "Tag to suppress"
+ },
+ {
+ FT_ADD_HEADER,
+ "Add HTTP client header", "HTTP client header to add"
},
};
const struct action_spec *action);
static jb_err actions_from_radio(const struct map * parameters,
struct action_spec *action);
-static jb_err action_render_string_filters_template(struct map * exports,
- const struct action_spec *action,
- const char* flter_template,
- const struct filter_type_info *type);
+static jb_err action_render_string_actions_template(struct map * exports,
+ const struct action_spec *action,
+ const char* action_template,
+ const struct string_action_type_info *string_action_type);
static jb_err map_copy_parameter_html(struct map *out,
const char *param_name,
const char **pfilename);
-/* Internal convenience functions */
-static char *section_target(const unsigned sectionid);
-
-/*********************************************************************
- *
- * Function : section_target
- *
- * Description : Given an unsigned (section id) n, produce a dynamically
- * allocated string of the form #l<n>, for use in link
- * targets.
- *
- * XXX: The hash should be moved into the templates
- * to make this function more generic and render
- * stringify() obsolete.
- *
- * Parameters :
- * 1 : sectionid = start line number of section
- *
- * Returns : String with link target, or NULL if out of
- * memory
- *
- *********************************************************************/
-static char *section_target(const unsigned sectionid)
-{
- char buf[30];
-
- snprintf(buf, sizeof(buf), "#l%u", sectionid);
- return(strdup(buf));
-
-}
-
-
/*********************************************************************
*
* Function : stringify
if (!err) err = map(exports, "v", 1, file->version_str, 1);
if (!err) err = map(exports, "p", 1, url_encode(lookup(parameters, "p")), 0);
if (!err) err = map(exports, "u", 1, html_encode(cur_line->unprocessed), 0);
- if (!err) err = map(exports, "jumptarget", 1, section_target(section_start_line_number), 0);
+ if (!err) err = map(exports, "jumptarget", 1, stringify(section_start_line_number), 0);
edit_free_file(file);
if (!err) err = map(exports, "v", 1, file->version_str, 1);
if (!err) err = map(exports, "p", 1, url_encode(lookup(parameters, "p")), 0);
if (!err) err = map(exports, "u", 1, html_encode(cur_line->unprocessed), 0);
- if (!err) err = map(exports, "jumptarget", 1, section_target(section_start_line_number), 0);
+ if (!err) err = map(exports, "jumptarget", 1, stringify(section_start_line_number), 0);
if (!err) err = map(exports, "actions-file", 1, html_encode(file->filename), 0);
edit_free_file(file);
}
err = create_pattern_spec(compiled, s);
free(s);
+ free_pattern_spec(compiled);
if (err)
{
free(param);
return (err == JB_ERR_MEMORY) ? JB_ERR_MEMORY : JB_ERR_CGI_PARAMS;
}
- free_pattern_spec(compiled);
if (param[strlen(param) - 1] == '\\')
{
}
err = create_pattern_spec(compiled, s);
free(s);
+ free_pattern_spec(compiled);
if (err)
{
free(param);
return (err == JB_ERR_MEMORY) ? JB_ERR_MEMORY : JB_ERR_CGI_PARAMS;
}
- free_pattern_spec(compiled);
}
*pvalue = param;
return JB_ERR_MEMORY;
}
- err = template_load(csp, &filter_template, "edit-actions-for-url-string-filter", 0);
+ err = template_load(csp, &filter_template, "edit-actions-for-url-string-action", 0);
if (err)
{
edit_free_file(file);
free_map(exports);
- return cgi_error_no_template(csp, rsp, "edit-actions-for-url-string-filter");
+ return cgi_error_no_template(csp, rsp, "edit-actions-for-url-string-action");
}
err = map(exports, "f", 1, stringify(file->identifier), 0);
if (!err) err = actions_to_radio(exports, cur_line->data.action);
- if (!err) err = action_render_string_filters_template(exports, cur_line->data.action, filter_template,
- &filter_type_info[FT_SUPPRESS_TAG]);
+ for (i = 0; !err && i < SZ(string_action_type_info); i++)
+ {
+ err = action_render_string_actions_template(exports,
+ cur_line->data.action, filter_template, &string_action_type_info[i]);
+ }
freez(filter_template);
/*
if ((csp->rlist[i] != NULL) && (csp->rlist[i]->f != NULL))
{
filter_group = csp->rlist[i]->f;
- for (;(!err) && (filter_group != NULL); filter_group = filter_group->next)
+ for (; (!err) && (filter_group != NULL); filter_group = filter_group->next)
{
char current_mode = 'x';
char number[20];
struct list_entry *filter_name;
struct map *line_exports;
const enum filter_type type = filter_group->type;
- const int multi_action_index = filter_type_info[type].multi_action_index;
+ const int multi_action_index = action_type_info[type].multi_action_index;
assert(type < MAX_FILTER_TYPES);
+ assert(multi_action_index < ACTION_MULTI_COUNT);
filter_name = cur_line->data.action->multi_add[multi_action_index]->first;
while ((filter_name != NULL)
if (!err) err = map(line_exports, "name", 1, filter_group->name, 1);
if (!err) err = map(line_exports, "description", 1, filter_group->description, 1);
if (!err) err = map_radio(line_exports, "this-filter", "ynx", current_mode);
- if (!err) err = map(line_exports, "filter-type", 1, filter_type_info[type].type, 1);
- if (!err) err = map(line_exports, "abbr-filter-type", 1, filter_type_info[type].abbr_type, 1);
- if (!err) err = map(line_exports, "anchor", 1, filter_type_info[type].anchor, 1);
+ if (!err) err = map(line_exports, "filter-type", 1, action_type_info[type].type, 1);
+ if (!err) err = map(line_exports, "abbr-action-type", 1, action_type_info[type].abbr_type, 1);
+ if (!err) err = map(line_exports, "anchor", 1, action_type_info[type].anchor, 1);
if (!err)
{
for (i = 0; i < MAX_FILTER_TYPES; i++)
{
if (err) break;
- err = map(exports, filter_type_info[i].macro_name, 1, prepared_templates[i], 0);
+ err = map(exports, action_type_info[i].macro_name, 1, prepared_templates[i], 0);
}
if (err)
/* Check or uncheck the "disable all of this type" radio buttons. */
for (i = 0; i < MAX_FILTER_TYPES; i++)
{
- const int a = filter_type_info[i].multi_action_index;
+ const int a = action_type_info[i].multi_action_index;
const int disable_all = cur_line->data.action->multi_remove_all[a];
if (err) break;
- err = map_radio(exports, filter_type_info[i].disable_all_option, "nx", (disable_all ? 'n' : 'x'));
+ err = map_radio(exports, action_type_info[i].disable_all_option, "nx", (disable_all ? 'n' : 'x'));
}
edit_free_file(file);
}
+/*********************************************************************
+ *
+ * Function : cgi_edit_process_string_action
+ *
+ * Description : Helper CGI function that actually edits the Actions list for
+ * the action string parameters.
+ *
+ * Parameters :
+ * 1 : csp = Current client state (buffers, headers, etc...)
+ * 2 : rsp = http_response data structure for output
+ * 3 : parameters = map of cgi parameters
+ * 4 : cur_line = current config file line
+ * 5 : action_type = string filter type to process
+ *
+ * Returns : JB_ERR_OK on success
+ * JB_ERR_MEMORY on out-of-memory
+ * JB_ERR_CGI_PARAMS if the CGI parameters are not
+ * specified or not valid.
+ *
+ *********************************************************************/
+static jb_err cgi_edit_process_string_action(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters,
+ struct file_line *cur_line,
+ enum filter_type action_type)
+{
+ jb_err err = JB_ERR_OK;
+ const char *abbr_type = action_type_info[action_type].abbr_type;
+ int action_identifier = 0;
+
+ /* process existing string filter actions */
+ for (action_identifier = 0; !err; action_identifier++)
+ {
+ char key_value[30];
+ char key_name[30];
+ char old_name[30];
+ char key_type[30];
+ const char *name, *new_name;
+ char value; /*
+ * Action state. Valid states are: 'Y' (active),
+ * 'N' (inactive) and 'X' (no change).
+ * XXX: bad name.
+ */
+ char type; /*
+ * Abbreviated filter type. Valid types are: 'U' (suppress tag), 'H' (add header)
+ */
+ int multi_action_index = 0;
+
+ /* Generate the keys */
+ snprintf(key_value, sizeof(key_value), "string_action_%s_r%x", abbr_type, action_identifier);
+ snprintf(key_name, sizeof(key_name), "string_action_%s_n%x", abbr_type, action_identifier);
+ snprintf(old_name, sizeof(old_name), "string_action_%s_o%x", abbr_type, action_identifier);
+ snprintf(key_type, sizeof(key_type), "string_action_%s_t%x", abbr_type, action_identifier);
+
+ err = get_string_param(parameters, old_name, &name);
+ if (err) break;
+
+ if (name == NULL)
+ {
+ /* The action identifier isn't present: we're done! */
+ break;
+ }
+
+ err = get_string_param(parameters, key_name, &new_name);
+ if (err) break;
+ if (new_name == NULL) new_name = name;
+
+ type = get_char_param(parameters, key_type);
+ switch (type)
+ {
+ case 'U':
+ multi_action_index = ACTION_MULTI_SUPPRESS_TAG;
+ break;
+ case 'H':
+ multi_action_index = ACTION_MULTI_ADD_HEADER;
+ break;
+ default:
+ log_error(LOG_LEVEL_ERROR,
+ "Unknown action type: %c for action %s. Action ignored.", type, name);
+ continue;
+ }
+
+ value = get_char_param(parameters, key_value);
+ if (value == 'X' || value == 'Y' || value == 'N')
+ {
+ list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
+ list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
+ }
+
+ if (value == 'Y')
+ {
+ err = enlist(cur_line->data.action->multi_add[multi_action_index], new_name);
+ }
+ else if (value == 'N')
+ {
+ err = enlist(cur_line->data.action->multi_remove[multi_action_index], new_name);
+ }
+ }
+
+ /* process new string filter actions */
+ for (action_identifier = 0; !err; action_identifier++)
+ {
+ char key_value[30];
+ char key_name[30];
+ char key_type[30];
+ const char *name;
+ char value; /*
+ * Action state. Valid states are: 'Y' (active),
+ * 'N' (inactive) and 'X' (no change).
+ * XXX: bad name.
+ */
+ char type; /*
+ * Abbreviated filter type. Valid types are: 'U' (suppress tag), 'H' (add header)
+ */
+ int multi_action_index = 0;
+
+ /* Generate the keys */
+ snprintf(key_value, sizeof(key_value), "new_string_action_%s_r%x", abbr_type, action_identifier);
+ snprintf(key_name, sizeof(key_name), "new_string_action_%s_n%x", abbr_type, action_identifier);
+ snprintf(key_type, sizeof(key_type), "new_string_action_%s_t%x", abbr_type, action_identifier);
+
+ err = get_string_param(parameters, key_name, &name);
+ if (err) break;
+
+ if (name == NULL)
+ {
+ /* The action identifier isn't present: we've done! */
+ break;
+ }
+
+ type = get_char_param(parameters, key_type);
+ switch (type)
+ {
+ case 'U':
+ multi_action_index = ACTION_MULTI_SUPPRESS_TAG;
+ break;
+ case 'H':
+ multi_action_index = ACTION_MULTI_ADD_HEADER;
+ break;
+ default:
+ log_error(LOG_LEVEL_ERROR,
+ "Unknown filter type: %c for filter %s. Filter ignored.", type, name);
+ continue;
+ }
+
+ value = get_char_param(parameters, key_value);
+ if (value == 'Y')
+ {
+ list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
+ if (!err) err = enlist(cur_line->data.action->multi_add[multi_action_index], name);
+ list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
+ }
+ else if (value == 'N')
+ {
+ list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
+ list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
+ if (!err) err = enlist(cur_line->data.action->multi_remove[multi_action_index], name);
+ }
+ /* nothing to do if the value is 'X' */
+ }
+ return err;
+}
+
+
/*********************************************************************
*
* Function : cgi_edit_actions_submit
/* Check the "disable all of this type" parameters. */
for (i = 0; i < MAX_FILTER_TYPES; i++)
{
- const int multi_action_index = filter_type_info[i].multi_action_index;
- const char ch = get_char_param(parameters, filter_type_info[i].disable_all_param);
+ const int multi_action_index = action_type_info[i].multi_action_index;
+ const char ch = get_char_param(parameters, action_type_info[i].disable_all_param);
if (ch == 'N')
{
case 'E':
multi_action_index = ACTION_MULTI_SERVER_HEADER_TAGGER;
break;
+ case 'P':
+ multi_action_index = ACTION_MULTI_CLIENT_BODY_FILTER;
+ break;
default:
log_error(LOG_LEVEL_ERROR,
"Unknown filter type: %c for filter %s. Filter ignored.", type, name);
}
}
- /* process existing suppress tag */
- for (filter_identifier = 0; !err; filter_identifier++)
- {
- char key_value[30];
- char key_name[30];
- char old_name[30];
- char key_type[30];
- const char *name, *new_name;
- char value; /*
- * Filter state. Valid states are: 'Y' (active),
- * 'N' (inactive) and 'X' (no change).
- * XXX: bad name.
- */
- char type; /*
- * Abbreviated filter type. Valid types are: 'U' (suppress tag).
- */
- int multi_action_index = 0;
-
- /* Generate the keys */
- snprintf(key_value, sizeof(key_value), "string_filter_r%x", filter_identifier);
- snprintf(key_name, sizeof(key_name), "string_filter_n%x", filter_identifier);
- snprintf(old_name, sizeof(old_name), "string_filter_o%x", filter_identifier);
- snprintf(key_type, sizeof(key_type), "string_filter_t%x", filter_identifier);
-
- err = get_string_param(parameters, old_name, &name);
- if (err) break;
-
- if (name == NULL)
- {
- /* The filter identifier isn't present: we're done! */
- break;
- }
-
- err = get_string_param(parameters, key_name, &new_name);
- if (err) break;
- if (new_name == NULL) new_name = name;
-
- type = get_char_param(parameters, key_type);
- switch (type)
- {
- case 'U':
- multi_action_index = ACTION_MULTI_SUPPRESS_TAG;
- break;
- default:
- log_error(LOG_LEVEL_ERROR,
- "Unknown filter type: %c for filter %s. Filter ignored.", type, name);
- continue;
- }
- assert(multi_action_index);
-
- value = get_char_param(parameters, key_value);
- if (value == 'X' || value == 'Y' || value == 'N')
- {
- list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
- list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
- }
-
- if (value == 'Y')
- {
- err = enlist(cur_line->data.action->multi_add[multi_action_index], new_name);
- }
- else if (value == 'N')
- {
- err = enlist(cur_line->data.action->multi_remove[multi_action_index], new_name);
- }
- }
-
/* process new string filters */
- for (filter_identifier = 0; !err; filter_identifier++)
+ for (i = 0; !err && i < SZ(string_action_type_info); i++)
{
- char key_value[30];
- char key_name[30];
- char key_type[30];
- const char *name;
- char value; /*
- * Filter state. Valid states are: 'Y' (active),
- * 'N' (inactive) and 'X' (no change).
- * XXX: bad name.
- */
- char type; /*
- * Abbreviated filter type. Valid types are: 'U' (suppress tag).
- */
- int multi_action_index = 0;
-
- /* Generate the keys */
- snprintf(key_value, sizeof(key_value), "new_string_filter_r%x", filter_identifier);
- snprintf(key_name, sizeof(key_name), "new_string_filter_n%x", filter_identifier);
- snprintf(key_type, sizeof(key_type), "new_string_filter_t%x", filter_identifier);
-
- err = get_string_param(parameters, key_name, &name);
- if (err) break;
-
- if (name == NULL)
- {
- /* The filter identifier isn't present: we've done! */
- break;
- }
-
- type = get_char_param(parameters, key_type);
- switch (type)
- {
- case 'U':
- multi_action_index = ACTION_MULTI_SUPPRESS_TAG;
- break;
- default:
- log_error(LOG_LEVEL_ERROR,
- "Unknown filter type: %c for filter %s. Filter ignored.", type, name);
- continue;
- }
- assert(multi_action_index);
-
- value = get_char_param(parameters, key_value);
- if (value == 'Y')
- {
- list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
- if (!err) err = enlist(cur_line->data.action->multi_add[multi_action_index], name);
- list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
- }
- else if (value == 'N')
- {
- list_remove_item(cur_line->data.action->multi_add[multi_action_index], name);
- list_remove_item(cur_line->data.action->multi_remove[multi_action_index], name);
- if (!err) err = enlist(cur_line->data.action->multi_remove[multi_action_index], name);
- }
- /* nothing to do if the value is 'X' */
+ err = cgi_edit_process_string_action(csp, rsp, parameters, cur_line,
+ string_action_type_info[i].action_type);
}
if (err)
/*********************************************************************
*
- * Function : action_render_string_filters_template
+ * Function : action_render_string_actions_template
*
- * Description : Converts a actionsfile entry into HTML template for actions with string
- * filters (currently SUPPRESS-TAG actions only)
+ * Description : Converts an actionsfile entry into HTML template for
+ * actions with string filters (currently SUPPRESS-TAG
+ * actions only)
*
* Parameters :
* 1 : exports = List of substitutions to add to.
* 2 : action = Action to read
- * 3 : filter_template = template to fill
+ * 3 : action_template = template to fill
* 4 : type = filter type info for rendered values/macro name
*
* Returns : JB_ERR_OK on success
* JB_ERR_MEMORY on out-of-memory
*
*********************************************************************/
-static jb_err action_render_string_filters_template(struct map * exports,
+static jb_err action_render_string_actions_template(struct map *exports,
const struct action_spec *action,
- const char* filter_template,
- const struct filter_type_info *type)
+ const char *action_template,
+ const struct string_action_type_info *string_action_type)
{
jb_err err = JB_ERR_OK;
int filter_identifier = 0;
+ int i;
char *prepared_template = strdup("");
+ const struct action_type_info *type = &action_type_info[string_action_type->action_type];
struct action_multi {
char radio;
struct list_entry *list;
};
+ assert(type->multi_action_index < ACTION_MULTI_COUNT);
+
struct action_multi desc[] = {
{ 'y', action->multi_add[type->multi_action_index][0].first },
{ 'n', action->multi_remove[type->multi_action_index][0].first }
};
- for (int i=0; i < SZ(desc); ++i)
+ for (i = 0; i < SZ(desc); ++i)
{
const char radio = desc[i].radio;
struct list_entry *entry = desc[i].list;
}
else
{
- char *filter_line;
+ char *action_line;
if (!err) err = map(line_exports, "index", 1, number, 1);
if (!err) err = map(line_exports, "name", 1, entry->str, 1);
if (!err) err = map_radio(line_exports, "this-filter", "ynx", radio);
if (!err) err = map(line_exports, "filter-type", 1, type->type, 1);
- if (!err) err = map(line_exports, "abbr-filter-type", 1, type->abbr_type, 1);
+ if (!err) err = map(line_exports, "abbr-action-type", 1, type->abbr_type, 1);
if (!err) err = map(line_exports, "anchor", 1, type->anchor, 1);
+ if (!err) err = map(line_exports, "desc", 1, string_action_type->description, 1);
+ if (!err) err = map(line_exports, "input_desc", 1, string_action_type->input_description, 1);
if (!err)
{
- filter_line = strdup(filter_template);
- if (filter_line == NULL) err = JB_ERR_MEMORY;
+ action_line = strdup(action_template);
+ if (action_line == NULL) err = JB_ERR_MEMORY;
}
- if (!err) err = template_fill(&filter_line, line_exports);
- if (!err) err = string_join(&prepared_template, filter_line);
+ if (!err) err = template_fill(&action_line, line_exports);
+ if (!err) err = string_join(&prepared_template, action_line);
free_map(line_exports);
}