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Diffstat (limited to 'libproxy/modules/config_kde.cpp')
| -rw-r--r-- | libproxy/modules/config_kde.cpp | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/libproxy/modules/config_kde.cpp b/libproxy/modules/config_kde.cpp deleted file mode 100644 index 895dcde..0000000 --- a/libproxy/modules/config_kde.cpp +++ /dev/null @@ -1,266 +0,0 @@ -/******************************************************************************* - * libproxy - A library for proxy configuration - * Copyright (C) 2006 Nathaniel McCallum <nathaniel@natemccallum.com> - * Copyright (C) 2021 Fabian Vogt <fvogt@suse.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - ******************************************************************************/ - -#include <sys/stat.h> -#include <pwd.h> - -#include <algorithm> -#include <cstdlib> -#include <cstdio> -#include <sstream> - -#ifdef WIN32 -#define popen _popen -#define pclose _pclose -#else -#include <unistd.h> -#endif - -#include "../extension_config.hpp" -using namespace libproxy; - -class kde_config_extension : public config_extension { -public: - kde_config_extension() - : cache_time(0) - { - try { - // Try the KF5 one first - command = "kreadconfig5"; - command_output("kreadconfig5 --key nonexistant"); - - try { - use_xdg_config_dirs(); - } - catch(...) {} - - return; // Worked - } - catch(...) {} - - try { - // The KDE4 one next - command = "kreadconfig"; - command_output(command); - - try { - parse_dir_list(command_output("kde4-config --path config")); - } - catch(...) {} - - return; // Worked - } - catch(...) {} - - // Neither worked, so throw in get_config - command = ""; - } - - vector<url> get_config(const url &dst) { - // See constructor - if(command.empty()) - throw runtime_error("Unable to read configuration"); - - vector<url> response; - - string tmp, proxyType = kde_config_val("ProxyType", "-1"); - - // Just switch on the first byte, either a digit, '-' ("-1") or '\0' - switch(proxyType.c_str()[0]) - { - case '1': - tmp = kde_config_val(dst.get_scheme() + "Proxy", ""); - if(tmp.empty()) { - tmp = kde_config_val("httpProxy", ""); - if(tmp.empty()) { - tmp = kde_config_val("socksProxy", ""); - if(tmp.empty()) - tmp = "direct://"; - } - } - - // KDE uses "http://127.0.0.1 8080" instead of "http://127.0.0.1:8080" - replace(tmp.begin(), tmp.end(), ' ', ':'); - - response.push_back(url(tmp)); - break; - - case '2': - tmp = "pac+" + kde_config_val("Proxy Config Script", ""); - if (url::is_valid(tmp)) - { - response.push_back(url(tmp)); - break; - } - // else fallthrough - - case '3': - response.push_back(url(string("wpad://"))); - break; - - case '4': - throw runtime_error("User config_envvar"); // We'll bypass this config plugin and let the envvar plugin wor - - case '0': - default: // Not set or unknown/illegal - response.push_back(url("direct://")); - break; - } - - return response; - } - - string get_ignore(const url&) { - // See constructor - if(command.empty()) - return ""; - - string proxyType = kde_config_val("ProxyType", "-1"); - if(proxyType.c_str()[0] != '1') - return ""; // Not manual config - - string prefix = kde_config_val("ReversedException", "false") != "false" ? "-" : ""; - return prefix + kde_config_val("NoProxyFor", ""); // Already in the right format - } - -private: - string command_output(const string &cmdline) { - // Capture stderr as well - const string command = "(" + cmdline + ")2>&1"; - FILE *pipe = popen(command.c_str(), "r"); - if (!pipe) - throw runtime_error("Unable to run command"); - - char buffer[128]; - string result = ""; - while (!feof(pipe)) { - if (fgets(buffer, 128, pipe) != NULL) - result += buffer; // TODO: If this throws bad_alloc, pipe is leaked - } - - if(pclose(pipe) != 0) - throw runtime_error("Command failed"); - - // Trim newlines and whitespace at end - result.erase(result.begin() + (result.find_last_not_of(" \n\t")+1), result.end()); - - return result; - } - - // Neither key nor def must contain ' - const string &kde_config_val(const string &key, const string &def) { - if (cache_needs_refresh()) - cache.clear(); - else { - // Already in cache? - map<string, string>::iterator it = cache.find(key); - if(it != cache.end()) - return it->second; - } - - // Although all values are specified internally and/or validated, - // checking is better than trusting. - if(key.find('\'') != string::npos || def.find('\'') != string::npos) - return def; - - // Add result to cache and return it - return cache[key] = command_output( - command + " --file kioslaverc --group 'Proxy Settings' --key '" + key + "' --default '" + def + "'"); - } - - // Used for cache invalidation - struct configfile { - string path; - time_t mtime; // 0 means either not refreshed or doesn't exist - }; - - // Parses colon-delimited lists of paths to fill config_locs - void parse_dir_list(const string &dirs) { - string config_path; - stringstream config_paths_stream(dirs); - - // Try each of the listed folders, seperated by ':' - while (getline(config_paths_stream, config_path, ':')) { - configfile config_loc; - config_loc.path = config_path + "/kioslaverc"; - config_loc.mtime = 0; - config_locs.push_back(config_loc); - } - } - - // Add XDG configuration locations to the configuration paths - void use_xdg_config_dirs() { - // Return environment value as std::string if set, otherwise def - auto getenv_default = [](const char *name, const std::string &def) { - const char *ret = getenv(name); - return std::string(ret ? ret : def); - }; - - std::string homedir = getenv_default("HOME", ""); - if (homedir.empty()) { - size_t bufsize = sysconf(_SC_GETPW_R_SIZE_MAX); - if (bufsize == -1) - bufsize = 16384; - - std::vector<char> buf(bufsize); - struct passwd pwd, *result; - getpwuid_r(getuid(), &pwd, buf.data(), buf.size(), &result); - if (result) - homedir = pwd.pw_dir; - } - - if (homedir.empty()) - throw std::runtime_error("Failed to get home directory"); - - parse_dir_list(getenv_default("XDG_CONFIG_HOME", homedir + "/.config")); - parse_dir_list(getenv_default("XDG_CONFIG_DIRS", "/etc/xdg")); - } - - // If any of the locations in config_locs changed (different mtime), - // update config_locs and return true. - bool cache_needs_refresh() { - // Play safe here, if we can't determine the location, - // don't cache at all. - bool needs_refresh = config_locs.empty(); - struct stat config_info; - - for (unsigned int i = 0; i < config_locs.size(); ++i) { - configfile &config = config_locs[i]; - time_t current_mtime = stat(config.path.c_str(), &config_info) == 0 ? config_info.st_mtime : 0; - if (config.mtime != current_mtime) { - config.mtime = current_mtime; - needs_refresh = true; - } - } - - return needs_refresh; - } - - // Whether to use kreadconfig or kreadconfig5 - string command; - // When the cache was flushed last - time_t cache_time; - // Cache for config values - map<string, string> cache; - // State of the config files at the time of the last cache flush - vector<configfile> config_locs; -}; - -MM_MODULE_INIT_EZ(kde_config_extension, getenv("KDE_FULL_SESSION"), NULL, NULL); |