diff options
author | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2004-07-17 14:12:30 +0000 |
commit | 41f6aea8fdbc744c13bc461056a2d694a5c4d06f (patch) | |
tree | 1e23911c1f61c66df3fba272af53475508a7a7ce /src/authkey.c | |
parent | 563201e128d600ec1ae4a33ca81d03b776501f82 (diff) |
rename src to polyp
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/authkey.c')
-rw-r--r-- | src/authkey.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/src/authkey.c b/src/authkey.c deleted file mode 100644 index 3180b8fd..00000000 --- a/src/authkey.c +++ /dev/null @@ -1,151 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 2 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 - General Public License for more details. - - You should have received a copy of the GNU 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 "authkey.h" -#include "util.h" - -#define RANDOM_DEVICE "/dev/urandom" - -static int load(const char *fn, void *data, size_t length) { - int fd = -1, ret = -1; - ssize_t r; - - assert(fn && data && length); - - if ((fd = open(fn, O_RDONLY)) < 0) - goto finish; - - if ((r = pa_loop_read(fd, data, length)) < 0 || (size_t) r != length) { - ret = -2; - goto finish; - } - - ret = 0; - -finish: - if (fd >= 0) - close(fd); - - return ret; -} - -static int generate(const char *fn, void *data, size_t length) { - int fd = -1, random_fd = -1, ret = -1; - ssize_t r; - assert(fn && data && length); - - if ((fd = open(fn, O_WRONLY|O_EXCL|O_CREAT, S_IRUSR | S_IWUSR)) < 0) - goto finish; - - if ((random_fd = open(RANDOM_DEVICE, O_RDONLY)) >= 0) { - - if ((r = pa_loop_read(random_fd, data, length)) < 0 || (size_t) r != length) { - ret = -2; - goto finish; - } - - } else { - uint8_t *p; - size_t l; - fprintf(stderr, "WARNING: Failed to open entropy device '"RANDOM_DEVICE"': %s, falling back to unsecure pseudo RNG.\n", strerror(errno)); - - srandom(time(NULL)); - - for (p = data, l = length; l > 0; p++, l--) - *p = (uint8_t) random(); - } - - if ((r = pa_loop_write(fd, data, length)) < 0 || (size_t) r != length) { - ret = -2; - goto finish; - } - - ret = 0; - -finish: - if (fd >= 0) { - if (ret != 0) - unlink(fn); - close(fd); - } - if (random_fd >= 0) - close(random_fd); - - return ret; -} - -int pa_authkey_load(const char *path, void *data, size_t length) { - int ret, i; - - assert(path && data && length); - - for (i = 0; i < 10; i++) { - if ((ret = load(path, data, length)) < 0) - if (ret == -1 && errno == ENOENT) - if ((ret = generate(path, data, length)) < 0) - if (ret == -1 && errno == EEXIST) - continue; - break; - } - - if (ret < 0) - fprintf(stderr, "Failed to load authorization key '%s': %s\n", path, (ret == -1) ? strerror(errno) : "file corrupt"); - - return ret; -} - -int pa_authkey_load_from_home(const char *fn, void *data, size_t length) { - char *home; - char path[PATH_MAX]; - - assert(fn && data && length); - - if (!(home = getenv("HOME"))) - return -2; - - snprintf(path, sizeof(path), "%s/%s", home, fn); - - return pa_authkey_load(path, data, length); -} - -int pa_authkey_load_auto(const char *fn, void *data, size_t length) { - assert(fn && data && length); - - if (*fn == '/') - return pa_authkey_load(fn, data, length); - else - return pa_authkey_load_from_home(fn, data, length); -} |