+++ /dev/null
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio 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.
-
- polypaudio 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 polypaudio; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <assert.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <stdlib.h>
-#include <time.h>
-#include <limits.h>
-#include <sys/stat.h>
-
-#include "authkey.h"
-#include "util.h"
-#include "log.h"
-#include "random.h"
-
-/* Generate a new authorization key, store it in file fd and return it in *data */
-static int generate(int fd, void *ret_data, size_t length) {
- ssize_t r;
- assert(fd >= 0 && ret_data && length);
-
- pa_random(ret_data, length);
-
- lseek(fd, 0, SEEK_SET);
- ftruncate(fd, 0);
-
- if ((r = pa_loop_write(fd, ret_data, length)) < 0 || (size_t) r != length) {
- pa_log(__FILE__": failed to write cookie file: %s\n", strerror(errno));
- return -1;
- }
-
- return 0;
-}
-
-/* Load an euthorization cookie from file fn and store it in data. If
- * the cookie file doesn't exist, create it */
-static int load(const char *fn, void *data, size_t length) {
- int fd = -1;
- int writable = 1;
- int unlock = 0, ret = -1;
- ssize_t r;
- assert(fn && data && length);
-
- if ((fd = open(fn, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR)) < 0) {
- if (errno != EACCES || (fd = open(fn, O_RDONLY)) < 0) {
- pa_log(__FILE__": failed to open cookie file '%s': %s\n", fn, strerror(errno));
- goto finish;
- } else
- writable = 0;
- }
-
- unlock = pa_lock_fd(fd, 1) >= 0;
-
- if ((r = pa_loop_read(fd, data, length)) < 0) {
- pa_log(__FILE__": failed to read cookie file '%s': %s\n", fn, strerror(errno));
- goto finish;
- }
-
- if ((size_t) r != length) {
-
- if (!writable) {
- pa_log(__FILE__": unable to write cookie to read only file\n");
- goto finish;
- }
-
- if (generate(fd, data, length) < 0)
- goto finish;
- }
-
- ret = 0;
-
-finish:
-
- if (fd >= 0) {
-
- if (unlock)
- pa_lock_fd(fd, 0);
-
- close(fd);
- }
-
- return ret;
-}
-
-/* Load a cookie from a cookie file. If the file doesn't exist, create it. */
-int pa_authkey_load(const char *path, void *data, size_t length) {
- int ret;
-
- assert(path && data && length);
-
- ret = load(path, data, length);
-
- if (ret < 0)
- pa_log(__FILE__": Failed to load authorization key '%s': %s\n", path,
- (ret == -1) ? strerror(errno) : "file corrupt");
-
- return ret;
-}
-
-/* If the specified file path starts with / return it, otherwise
- * return path prepended with home directory */
-static const char *normalize_path(const char *fn, char *s, size_t l) {
- assert(fn && s && l > 0);
-
-#ifndef OS_IS_WIN32
- if (fn[0] != '/') {
-#else
- if (strlen(fn) < 3 || !isalpha(fn[0]) || fn[1] != ':' || fn[2] != '\\') {
-#endif
- char homedir[PATH_MAX];
- if (!pa_get_home_dir(homedir, sizeof(homedir)))
- return NULL;
-
-#ifndef OS_IS_WIN32
- snprintf(s, l, "%s/%s", homedir, fn);
-#else
- snprintf(s, l, "%s\\%s", homedir, fn);
-#endif
- return s;
- }
-
- return fn;
-}
-
-/* Load a cookie from a file in the home directory. If the specified
- * path starts with /, use it as absolute path instead. */
-int pa_authkey_load_auto(const char *fn, void *data, size_t length) {
- char path[PATH_MAX];
- const char *p;
- assert(fn && data && length);
-
- if (!(p = normalize_path(fn, path, sizeof(path))))
- return -2;
-
- return pa_authkey_load(p, data, length);
-}
-
-/* Store the specified cookie in the speicified cookie file */
-int pa_authkey_save(const char *fn, const void *data, size_t length) {
- int fd = -1;
- int unlock = 0, ret = -1;
- ssize_t r;
- char path[PATH_MAX];
- const char *p;
- assert(fn && data && length);
-
- if (!(p = normalize_path(fn, path, sizeof(path))))
- return -2;
-
- if ((fd = open(p, O_RDWR|O_CREAT, S_IRUSR|S_IWUSR)) < 0) {
- pa_log(__FILE__": failed to open cookie file '%s': %s\n", fn, strerror(errno));
- goto finish;
- }
-
- unlock = pa_lock_fd(fd, 1) >= 0;
-
- if ((r = pa_loop_write(fd, data, length)) < 0 || (size_t) r != length) {
- pa_log(__FILE__": failed to read cookie file '%s': %s\n", fn, strerror(errno));
- goto finish;
- }
-
- ret = 0;
-
-finish:
-
- if (fd >= 0) {
-
- if (unlock)
- pa_lock_fd(fd, 0);
-
- close(fd);
- }
-
- return ret;
-}