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/*
* Copyright (C) 2015 Red Hat, Inc.
* Copyright (C) 2016 Sjoerd Simons <sjoerd@luon.net>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* 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 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "ot-remote-cookie-util.h"
#include "otutil.h"
#include "ot-main.h"
#include "ot-remote-builtins.h"
#include "ostree-repo-private.h"
typedef struct OtCookieParser OtCookieParser;
struct OtCookieParser {
char *buf;
char *iter;
char *line;
char *domain;
char *flag;
char *path;
char *secure;
long long unsigned int expiration;
char *name;
char *value;
};
void ot_cookie_parser_free (OtCookieParser *parser);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(OtCookieParser, ot_cookie_parser_free)
gboolean
ot_parse_cookies_at (int dfd, const char *path,
OtCookieParser **out_parser,
GCancellable *cancellable,
GError **error);
gboolean
ot_parse_cookies_next (OtCookieParser *parser);
static void
ot_cookie_parser_clear (OtCookieParser *parser)
{
g_clear_pointer (&parser->domain, (GDestroyNotify)g_free);
g_clear_pointer (&parser->flag, (GDestroyNotify)g_free);
g_clear_pointer (&parser->path, (GDestroyNotify)g_free);
g_clear_pointer (&parser->secure, (GDestroyNotify)g_free);
g_clear_pointer (&parser->name, (GDestroyNotify)g_free);
g_clear_pointer (&parser->value, (GDestroyNotify)g_free);
}
void
ot_cookie_parser_free (OtCookieParser *parser)
{
ot_cookie_parser_clear (parser);
g_free (parser->buf);
g_free (parser);
}
gboolean
ot_parse_cookies_at (int dfd, const char *path,
OtCookieParser **out_parser,
GCancellable *cancellable,
GError **error)
{
OtCookieParser *parser;
g_autofree char *cookies_content = NULL;
glnx_autofd int infd = -1;
infd = openat (dfd, path, O_RDONLY | O_CLOEXEC);
if (infd < 0)
{
if (errno != ENOENT)
{
glnx_set_error_from_errno (error);
return FALSE;
}
}
else
{
cookies_content = glnx_fd_readall_utf8 (infd, NULL, cancellable, error);
if (!cookies_content)
return FALSE;
}
parser = *out_parser = g_new0 (OtCookieParser, 1);
parser->buf = g_steal_pointer (&cookies_content);
parser->iter = parser->buf;
return TRUE;
}
gboolean
ot_parse_cookies_next (OtCookieParser *parser)
{
while (parser->iter)
{
char *iter = parser->iter;
char *next = strchr (iter, '\n');
if (next)
{
*next = '\0';
parser->iter = next + 1;
}
else
parser->iter = NULL;
ot_cookie_parser_clear (parser);
if (sscanf (iter, "%ms\t%ms\t%ms\t%ms\t%llu\t%ms\t%ms",
&parser->domain,
&parser->flag,
&parser->path,
&parser->secure,
&parser->expiration,
&parser->name,
&parser->value) != 7)
continue;
parser->line = iter;
return TRUE;
}
return FALSE;
}
gboolean
ot_add_cookie_at (int dfd, const char *jar_path,
const char *domain, const char *path,
const char *name, const char *value,
GError **error)
{
glnx_autofd int fd = openat (dfd, jar_path, O_WRONLY | O_APPEND | O_CREAT, 0644);
if (fd < 0)
return glnx_throw_errno_prefix (error, "open(%s)", jar_path);
g_autoptr(GDateTime) now = g_date_time_new_now_utc ();
g_autoptr(GDateTime) expires = g_date_time_add_years (now, 25);
/* Adapted from soup-cookie-jar-text.c:write_cookie() */
g_autofree char *buf = g_strdup_printf ("%s\t%s\t%s\t%s\t%llu\t%s\t%s\n",
domain,
*domain == '.' ? "TRUE" : "FALSE",
path,
"FALSE",
(long long unsigned)g_date_time_to_unix (expires),
name,
value);
if (glnx_loop_write (fd, buf, strlen (buf)) < 0)
return glnx_throw_errno_prefix (error, "write");
return TRUE;
}
gboolean
ot_delete_cookie_at (int dfd, const char *jar_path,
const char *domain, const char *path,
const char *name,
GError **error)
{
gboolean found = FALSE;
g_auto(GLnxTmpfile) tmpf = { 0, };
g_autoptr(OtCookieParser) parser = NULL;
if (!ot_parse_cookies_at (dfd, jar_path, &parser, NULL, error))
return FALSE;
g_assert (!strchr (jar_path, '/'));
if (!glnx_open_tmpfile_linkable_at (dfd, ".", O_WRONLY | O_CLOEXEC,
&tmpf, error))
return FALSE;
while (ot_parse_cookies_next (parser))
{
if (strcmp (domain, parser->domain) == 0 &&
strcmp (path, parser->path) == 0 &&
strcmp (name, parser->name) == 0)
{
found = TRUE;
/* Match, skip writing this one */
continue;
}
if (glnx_loop_write (tmpf.fd, parser->line, strlen (parser->line)) < 0 ||
glnx_loop_write (tmpf.fd, "\n", 1) < 0)
return glnx_throw_errno_prefix (error, "write");
}
if (!glnx_link_tmpfile_at (&tmpf, GLNX_LINK_TMPFILE_REPLACE,
dfd, jar_path,
error))
return FALSE;
if (!found)
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Cookie not found in jar");
return TRUE;
}
gboolean
ot_list_cookies_at (int dfd, const char *jar_path, GError **error)
{
g_autoptr(OtCookieParser) parser = NULL;
if (!ot_parse_cookies_at (AT_FDCWD, jar_path, &parser, NULL, error))
return FALSE;
while (ot_parse_cookies_next (parser))
{
g_autoptr(GDateTime) expires = g_date_time_new_from_unix_utc (parser->expiration);
g_autofree char *expires_str = NULL;
if (expires != NULL)
expires_str = g_date_time_format (expires, "%Y-%m-%d %H:%M:%S +0000");
g_print ("--\n");
g_print ("Domain: %s\n", parser->domain);
g_print ("Path: %s\n", parser->path);
g_print ("Name: %s\n", parser->name);
g_print ("Secure: %s\n", parser->secure);
if (expires_str != NULL)
g_print ("Expires: %s\n", expires_str);
g_print ("Value: %s\n", parser->value);
}
return TRUE;
}
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