+ free_map(url_exports);
+ freez(s);
+
+ if (err)
+ {
+ freez(urls);
+ free(sections);
+ free(section_template);
+ free(url_template);
+ edit_free_file(file);
+ free_map(exports);
+ free_map(section_exports);
+ return err;
+ }
+
+ url_1_2 = 3 - url_1_2;
+
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ err = map(section_exports, "urls", 1, urls, 0);
+
+ /* Could also do section-specific exports here, but it wouldn't be as fast */
+
+ if ( (cur_line != NULL)
+ && (cur_line->type == FILE_LINE_ACTION))
+ {
+ /* Not last section */
+ snprintf(buf, 150, "%d", line_number);
+ if (!err) err = map(section_exports, "s-next", 1, buf, 1);
+ if (!err) err = map_block_keep(section_exports, "s-next-exists");
+ }
+ else
+ {
+ /* Last section */
+ if (!err) err = map_block_killer(section_exports, "s-next-exists");
+ }
+
+ if (err)
+ {
+ free(sections);
+ free(section_template);
+ free(url_template);
+ edit_free_file(file);
+ free_map(exports);
+ free_map(section_exports);
+ return err;
+ }
+
+ if (NULL == (s = strdup(section_template)))
+ {
+ free(sections);
+ free(section_template);
+ free(url_template);
+ edit_free_file(file);
+ free_map(exports);
+ free_map(section_exports);
+ return JB_ERR_MEMORY;
+ }
+
+ err = template_fill(&s, section_exports);
+ if (!err) err = string_append(§ions, s);
+
+ freez(s);
+ free_map(section_exports);
+
+ if (err)
+ {
+ freez(sections);
+ free(section_template);
+ free(url_template);
+ edit_free_file(file);
+ free_map(exports);
+ return err;
+ }
+ }
+
+ edit_free_file(file);
+ free(section_template);
+ free(url_template);
+
+ err = map(exports, "sections", 1, sections, 0);
+ if (err)
+ {
+ free_map(exports);
+ return err;
+ }
+
+ /* Could also do global exports here, but it wouldn't be as fast */
+
+ return template_fill_for_cgi(csp, "edit-actions-list", exports, rsp);
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_for_url
+ *
+ * Description : CGI function that edits the Actions list.
+ *
+ * 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
+ * JB_ERR_CGI_PARAMS if the CGI parameters are not
+ * specified or not valid.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_for_url(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ struct map * exports;
+ unsigned sectionid;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ unsigned line_number;
+ jb_err err;
+ struct file_list *filter_file;
+ struct re_filterfile_spec *filter_group;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s", §ionid);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ cur_line = file->lines;
+
+ for (line_number = 1; (cur_line != NULL) && (line_number < sectionid); line_number++)
+ {
+ cur_line = cur_line->next;
+ }
+
+ if ( (cur_line == NULL)
+ || (line_number != sectionid)
+ || (sectionid < 1)
+ || (cur_line->type != FILE_LINE_ACTION))
+ {
+ /* Invalid "sectionid" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ if (NULL == (exports = default_exports(csp, NULL)))
+ {
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+
+ err = map(exports, "f", 1, file->identifier, 1);
+ if (!err) err = map(exports, "v", 1, file->version_str, 1);
+ if (!err) err = map(exports, "s", 1, url_encode(lookup(parameters, "s")), 0);
+
+ if (!err) err = actions_to_radio(exports, cur_line->data.action);
+
+ filter_file = csp->rlist;
+ filter_group = ((filter_file != NULL) ? filter_file->f : NULL);
+
+ if (!err) err = map_conditional(exports, "any-filters-defined", (filter_group != NULL));
+
+ if (err)
+ {
+ edit_free_file(file);
+ free_map(exports);
+ return err;
+ }
+
+ if (filter_group == NULL)
+ {
+ err = map(exports, "filter-params", 1, "", 1);
+ }
+ else
+ {
+ /* We have some entries in the filter list */
+ char * result;
+ int index = 0;
+ char * filter_template;
+
+ err = template_load(csp, &filter_template, "edit-actions-for-url-filter", 0);
+ if (err)
+ {
+ edit_free_file(file);
+ free_map(exports);
+ if (err == JB_ERR_FILE)
+ {
+ return cgi_error_no_template(csp, rsp, "edit-actions-for-url-filter");
+ }
+ return err;
+ }
+
+ result = strdup("");
+
+ for (;(!err) && (filter_group != NULL); filter_group = filter_group->next)
+ {
+ char current_mode = 'x';
+ struct list_entry *filter_name;
+ char * this_line;
+ struct map *line_exports;
+ char number[20];
+
+ filter_name = cur_line->data.action->multi_add[ACTION_MULTI_FILTER]->first;
+ while ((filter_name != NULL)
+ && (0 != strcmp(filter_group->name, filter_name->str)))
+ {
+ filter_name = filter_name->next;
+ }
+
+ if (filter_name != NULL)
+ {
+ current_mode = 'y';
+ }
+ else
+ {
+ filter_name = cur_line->data.action->multi_remove[ACTION_MULTI_FILTER]->first;
+ while ((filter_name != NULL)
+ && (0 != strcmp(filter_group->name, filter_name->str)))
+ {
+ filter_name = filter_name->next;
+ }
+ if (filter_name != NULL)
+ {
+ current_mode = 'n';
+ }
+ }
+
+ /* Generate a unique serial number */
+ snprintf(number, sizeof(number), "%x", index++);
+ number[sizeof(number) - 1] = '\0';
+
+ line_exports = new_map();
+ if (line_exports == NULL)
+ {
+ err = JB_ERR_MEMORY;
+ freez(result);
+ }
+ else
+ {
+ if (!err) err = map(line_exports, "index", 1, number, 1);
+ 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);
+
+ this_line = NULL;
+ if (!err)
+ {
+ this_line = strdup(filter_template);
+ if (this_line == NULL) err = JB_ERR_MEMORY;
+ }
+ if (!err) err = template_fill(&this_line, line_exports);
+ string_join(&result, this_line);
+
+ free_map(line_exports);
+ }
+ }
+ if (!err)
+ {
+ err = map(exports, "filter-params", 1, result, 0);
+ }
+ else
+ {
+ freez(result);
+ }
+ }
+
+ if (!err) err = map_radio(exports, "filter-all", "nx",
+ (cur_line->data.action->multi_remove_all[ACTION_MULTI_FILTER] ? 'n' : 'x'));
+
+ edit_free_file(file);
+
+ if (err)
+ {
+ free_map(exports);
+ return err;
+ }
+
+ return template_fill_for_cgi(csp, "edit-actions-for-url", exports, rsp);
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_submit
+ *
+ * Description : CGI function that actually edits the Actions list.
+ *
+ * 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
+ * JB_ERR_CGI_PARAMS if the CGI parameters are not
+ * specified or not valid.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_submit(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned sectionid;
+ char * actiontext;
+ char * newtext;
+ size_t len;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+ int index;
+ const char * action_set_name;
+ char ch;
+ struct file_list * fl;
+ struct url_actions * b;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s", §ionid);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ cur_line = file->lines;
+
+ for (line_number = 1; (cur_line != NULL) && (line_number < sectionid); line_number++)
+ {
+ cur_line = cur_line->next;
+ }
+
+ if ( (cur_line == NULL)
+ || (line_number != sectionid)
+ || (sectionid < 1)
+ || (cur_line->type != FILE_LINE_ACTION))
+ {
+ /* Invalid "sectionid" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ get_string_param(parameters, "p", &action_set_name);
+ if (action_set_name != NULL)
+ {
+ for (index = 0; index < MAX_ACTION_FILES; index++)
+ {
+ if (((fl = csp->actions_list[index]) != NULL) && ((b = fl->f) != NULL))
+ {
+ for (b = b->next; NULL != b; b = b->next)
+ {
+ if (!strncmp(b->url->spec, "standard.", 9) && !strcmp(b->url->spec + 9, action_set_name))
+ {
+ copy_action(cur_line->data.action, b->action);
+ goto found;
+ }
+ }
+ }
+ }
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+
+ found: ;
+ }
+ else
+ {
+ err = actions_from_radio(parameters, cur_line->data.action);
+ }
+
+ if(err)
+ {
+ /* Out of memory */
+ edit_free_file(file);
+ return err;
+ }
+
+ ch = get_char_param(parameters, "filter_all");
+ if (ch == 'N')
+ {
+ list_remove_all(cur_line->data.action->multi_add[ACTION_MULTI_FILTER]);
+ list_remove_all(cur_line->data.action->multi_remove[ACTION_MULTI_FILTER]);
+ cur_line->data.action->multi_remove_all[ACTION_MULTI_FILTER] = 1;
+ }
+ else if (ch == 'X')
+ {
+ cur_line->data.action->multi_remove_all[ACTION_MULTI_FILTER] = 0;
+ }
+
+ for (index = 0; !err; index++)
+ {
+ char key_value[30];
+ char key_name[30];
+ const char *name;
+ char value;
+
+ /* Generate the keys */
+ snprintf(key_value, sizeof(key_value), "filter_r%x", index);
+ key_value[sizeof(key_value) - 1] = '\0';
+ snprintf(key_name, sizeof(key_name), "filter_n%x", index);
+ key_name[sizeof(key_name) - 1] = '\0';
+
+ err = get_string_param(parameters, key_name, &name);
+ if (err) break;
+
+ if (name == NULL)
+ {
+ /* End of list */
+ break;
+ }
+
+ value = get_char_param(parameters, key_value);
+ if (value == 'Y')
+ {
+ list_remove_item(cur_line->data.action->multi_add[ACTION_MULTI_FILTER], name);
+ if (!err) err = enlist(cur_line->data.action->multi_add[ACTION_MULTI_FILTER], name);
+ list_remove_item(cur_line->data.action->multi_remove[ACTION_MULTI_FILTER], name);
+ }
+ else if (value == 'N')
+ {
+ list_remove_item(cur_line->data.action->multi_add[ACTION_MULTI_FILTER], name);
+ if (!cur_line->data.action->multi_remove_all[ACTION_MULTI_FILTER])
+ {
+ list_remove_item(cur_line->data.action->multi_remove[ACTION_MULTI_FILTER], name);
+ if (!err) err = enlist(cur_line->data.action->multi_remove[ACTION_MULTI_FILTER], name);
+ }
+ }
+ else if (value == 'X')
+ {
+ list_remove_item(cur_line->data.action->multi_add[ACTION_MULTI_FILTER], name);
+ list_remove_item(cur_line->data.action->multi_remove[ACTION_MULTI_FILTER], name);
+ }
+ }
+
+ if(err)
+ {
+ /* Out of memory */
+ edit_free_file(file);
+ return err;
+ }
+
+ if (NULL == (actiontext = actions_to_text(cur_line->data.action)))
+ {
+ /* Out of memory */
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+
+ len = strlen(actiontext);
+ if (len == 0)
+ {
+ /*
+ * Empty action - must special-case this.
+ * Simply setting len to 1 is sufficient...
+ */
+ len = 1;
+ }
+
+ if (NULL == (newtext = malloc(len + 2)))
+ {
+ /* Out of memory */
+ free(actiontext);
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+ strcpy(newtext, actiontext);
+ free(actiontext);
+ newtext[0] = '{';
+ newtext[len] = '}';
+ newtext[len + 1] = '\0';
+
+ freez(cur_line->raw);
+ freez(cur_line->unprocessed);
+ cur_line->unprocessed = newtext;
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_url
+ *
+ * Description : CGI function that actually edits a URL pattern in
+ * an actions 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 :
+ * filename : Identifies the file to edit
+ * ver : File's last-modified time
+ * section : Line number of section to edit
+ * pattern : Line number of pattern to edit
+ * newval : New value for pattern
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_url(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned patternid;
+ char * new_pattern;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "p", &patternid);
+ if (err)
+ {
+ return err;
+ }
+ if (patternid < 1U)
+ {
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ err = get_url_spec_param(csp, parameters, "u", &new_pattern);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ free(new_pattern);
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ line_number = 1;
+ cur_line = file->lines;
+
+ while ((cur_line != NULL) && (line_number < patternid))
+ {
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_URL))
+ {
+ /* Invalid "patternid" parameter */
+ free(new_pattern);
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* At this point, the line to edit is in cur_line */
+
+ freez(cur_line->raw);
+ freez(cur_line->unprocessed);
+ cur_line->unprocessed = new_pattern;
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_add_url
+ *
+ * Description : CGI function that actually adds a URL pattern to
+ * an actions 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 :
+ * filename : Identifies the file to edit
+ * ver : File's last-modified time
+ * section : Line number of section to edit
+ * newval : New pattern
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_add_url(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned sectionid;
+ char * new_pattern;
+ struct file_line * new_line;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s", §ionid);
+ if (err)
+ {
+ return err;
+ }
+ if (sectionid < 1U)
+ {
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ err = get_url_spec_param(csp, parameters, "u", &new_pattern);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ free(new_pattern);
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ line_number = 1;
+ cur_line = file->lines;
+
+ while ((cur_line != NULL) && (line_number < sectionid))
+ {
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_ACTION))
+ {
+ /* Invalid "sectionid" parameter */
+ free(new_pattern);
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* At this point, the section header is in cur_line - add after this. */
+
+ /* Allocate the new line */
+ new_line = (struct file_line *)zalloc(sizeof(*new_line));
+ if (new_line == NULL)
+ {
+ free(new_pattern);
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+
+ /* Fill in the data members of the new line */
+ new_line->raw = NULL;
+ new_line->prefix = NULL;
+ new_line->unprocessed = new_pattern;
+ new_line->type = FILE_LINE_URL;
+
+ /* Link new_line into the list, after cur_line */
+ new_line->next = cur_line->next;
+ cur_line->next = new_line;
+
+ /* Done making changes, now commit */
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_remove_url
+ *
+ * Description : CGI function that actually removes a URL pattern from
+ * the actions 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 :
+ * f : (filename) Identifies the file to edit
+ * v : (version) File's last-modified time
+ * p : (pattern) Line number of pattern to remove
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_remove_url(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned patternid;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ struct file_line * prev_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "p", &patternid);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ line_number = 1;
+ prev_line = NULL;
+ cur_line = file->lines;
+
+ while ((cur_line != NULL) && (line_number < patternid))
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (prev_line == NULL)
+ || (cur_line->type != FILE_LINE_URL))
+ {
+ /* Invalid "patternid" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* At this point, the line to remove is in cur_line, and the previous
+ * one is in prev_line
+ */
+
+ /* Unlink cur_line */
+ prev_line->next = cur_line->next;
+ cur_line->next = NULL;
+
+ /* Free cur_line */
+ edit_free_file_lines(cur_line);
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_section_remove
+ *
+ * Description : CGI function that actually removes a whole section from
+ * the actions file. The section must be empty first
+ * (else JB_ERR_CGI_PARAMS).
+ *
+ * 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 :
+ * f : (filename) Identifies the file to edit
+ * v : (version) File's last-modified time
+ * s : (section) Line number of section to edit
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_section_remove(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned sectionid;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ struct file_line * prev_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s", §ionid);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ line_number = 1;
+ cur_line = file->lines;
+
+ prev_line = NULL;
+ while ((cur_line != NULL) && (line_number < sectionid))
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_ACTION) )
+ {
+ /* Invalid "sectionid" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ if ( (cur_line->next != NULL)
+ && (cur_line->next->type == FILE_LINE_URL) )
+ {
+ /* Section not empty. */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* At this point, the line to remove is in cur_line, and the previous
+ * one is in prev_line
+ */
+
+ /* Unlink cur_line */
+ if (prev_line == NULL)
+ {
+ /* Removing the first line from the file */
+ file->lines = cur_line->next;
+ }
+ else
+ {
+ prev_line->next = cur_line->next;
+ }
+ cur_line->next = NULL;
+
+ /* Free cur_line */
+ edit_free_file_lines(cur_line);
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_section_add
+ *
+ * Description : CGI function that adds a new empty section to
+ * an actions 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 :
+ * f : (filename) Identifies the file to edit
+ * v : (version) File's last-modified time
+ * s : (section) Line number of section to add after, 0 for
+ * start of file.
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_section_add(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned sectionid;
+ struct file_line * new_line;
+ char * new_text;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s", §ionid);
+ if (err)
+ {
+ return err;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ line_number = 1;
+ cur_line = file->lines;
+
+ if (sectionid < 1U)
+ {
+ /* Add to start of file */
+ if (cur_line != NULL)
+ {
+ /* There's something in the file, find the line before the first
+ * action.
+ */
+ while ( (cur_line->next != NULL)
+ && (cur_line->next->type != FILE_LINE_ACTION) )
+ {
+ cur_line = cur_line->next;
+ line_number++;
+ }
+ }
+ }
+ else
+ {
+ /* Add after stated section. */
+ while ((cur_line != NULL) && (line_number < sectionid))
+ {
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_ACTION))
+ {
+ /* Invalid "sectionid" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* Skip through the section to find the last line in it. */
+ while ( (cur_line->next != NULL)
+ && (cur_line->next->type != FILE_LINE_ACTION) )
+ {
+ cur_line = cur_line->next;
+ line_number++;
+ }
+ }
+
+ /* At this point, the last line in the previous section is in cur_line
+ * - add after this. (Or if we need to add as the first line, cur_line
+ * will be NULL).
+ */
+
+ new_text = strdup("{}");
+ if (NULL == new_text)
+ {
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+
+ /* Allocate the new line */
+ new_line = (struct file_line *)zalloc(sizeof(*new_line));
+ if (new_line == NULL)
+ {
+ free(new_text);
+ edit_free_file(file);
+ return JB_ERR_MEMORY;
+ }
+
+ /* Fill in the data members of the new line */
+ new_line->raw = NULL;
+ new_line->prefix = NULL;
+ new_line->unprocessed = new_text;
+ new_line->type = FILE_LINE_ACTION;
+
+ if (cur_line != NULL)
+ {
+ /* Link new_line into the list, after cur_line */
+ new_line->next = cur_line->next;
+ cur_line->next = new_line;
+ }
+ else
+ {
+ /* Link new_line into the list, as first line */
+ new_line->next = file->lines;
+ file->lines = new_line;
+ }
+
+ /* Done making changes, now commit */
+
+ err = edit_write_file(file);
+ if (err)
+ {
+ /* Error writing file */
+ edit_free_file(file);
+ return err;
+ }
+
+ target = strdup(CGI_PREFIX "edit-actions-list?f=");
+ string_append(&target, file->identifier);
+
+ edit_free_file(file);
+
+ if (target == NULL)
+ {
+ /* Out of memory */
+ return JB_ERR_MEMORY;
+ }
+
+ rsp->status = strdup("302 Local Redirect from Privoxy");
+ if (rsp->status == NULL)
+ {
+ free(target);
+ return JB_ERR_MEMORY;
+ }
+ err = enlist_unique_header(rsp->headers, "Location", target);
+ free(target);
+
+ return err;
+}
+
+
+/*********************************************************************
+ *
+ * Function : cgi_edit_actions_section_swap
+ *
+ * Description : CGI function that swaps the order of two sections
+ * in the actions file. Note that this CGI can actually
+ * swap any two arbitrary sections, but the GUI interface
+ * currently only allows consecutive sections to be
+ * specified.
+ *
+ * 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 :
+ * f : (filename) Identifies the file to edit
+ * v : (version) File's last-modified time
+ * s1 : (section1) Line number of first section to swap
+ * s2 : (section2) Line number of second section to swap
+ *
+ * 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.
+ *
+ *********************************************************************/
+jb_err cgi_edit_actions_section_swap(struct client_state *csp,
+ struct http_response *rsp,
+ const struct map *parameters)
+{
+ unsigned section1;
+ unsigned section2;
+ struct editable_file * file;
+ struct file_line * cur_line;
+ struct file_line * prev_line;
+ struct file_line * line_before_section1;
+ struct file_line * line_start_section1;
+ struct file_line * line_end_section1;
+ struct file_line * line_after_section1;
+ struct file_line * line_before_section2;
+ struct file_line * line_start_section2;
+ struct file_line * line_end_section2;
+ struct file_line * line_after_section2;
+ unsigned line_number;
+ char * target;
+ jb_err err;
+
+ if (0 == (csp->config->feature_flags & RUNTIME_FEATURE_CGI_EDIT_ACTIONS))
+ {
+ return cgi_error_disabled(csp, rsp);
+ }
+
+ err = get_number_param(csp, parameters, "s1", §ion1);
+ if (!err) err = get_number_param(csp, parameters, "s2", §ion2);
+ if (err)
+ {
+ return err;
+ }
+
+ if (section1 > section2)
+ {
+ unsigned temp = section2;
+ section2 = section1;
+ section1 = temp;
+ }
+
+ err = edit_read_actions_file(csp, rsp, parameters, 1, &file);
+ if (err)
+ {
+ /* No filename specified, can't read file, modified, or out of memory. */
+ return (err == JB_ERR_FILE ? JB_ERR_OK : err);
+ }
+
+ /* Start at the beginning... */
+ line_number = 1;
+ cur_line = file->lines;
+ prev_line = NULL;
+
+ /* ... find section1 ... */
+ while ((cur_line != NULL) && (line_number < section1))
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_ACTION) )
+ {
+ /* Invalid "section1" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* If no-op, we've validated params and can skip the rest. */
+ if (section1 != section2)
+ {
+ /* ... find the end of section1 ... */
+ line_before_section1 = prev_line;
+ line_start_section1 = cur_line;
+ do
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+ while ((cur_line != NULL) && (cur_line->type == FILE_LINE_URL));
+ line_end_section1 = prev_line;
+ line_after_section1 = cur_line;
+
+ /* ... find section2 ... */
+ while ((cur_line != NULL) && (line_number < section2))
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+
+ if ( (cur_line == NULL)
+ || (cur_line->type != FILE_LINE_ACTION) )
+ {
+ /* Invalid "section2" parameter */
+ edit_free_file(file);
+ return JB_ERR_CGI_PARAMS;
+ }
+
+ /* ... find the end of section2 ... */
+ line_before_section2 = prev_line;
+ line_start_section2 = cur_line;
+ do
+ {
+ prev_line = cur_line;
+ cur_line = cur_line->next;
+ line_number++;
+ }
+ while ((cur_line != NULL) && (cur_line->type == FILE_LINE_URL));
+ line_end_section2 = prev_line;
+ line_after_section2 = cur_line;
+
+ /* Now have all the pointers we need. Do the swap. */
+
+ /* Change the pointer to section1 to point to section2 instead */
+ if (line_before_section1 == NULL)
+ {
+ file->lines = line_start_section2;
+ }
+ else
+ {
+ line_before_section1->next = line_start_section2;
+ }
+
+ if (line_before_section2 == line_end_section1)
+ {
+ /* Consecutive sections */
+ line_end_section2->next = line_start_section1;
+ }
+ else
+ {
+ line_end_section2->next = line_after_section1;
+ line_before_section2->next = line_start_section1;