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/*
* Copyright (C) 2002 Brad House <brad@mainstreetsoftworks.com>
* Distributed under the terms of the GNU General Public License, v2 or later
* Author: Brad House <brad@mainstreetsoftworks.com>
* Author: Martin Schlemmer <azarah@gentoo.org>
*
* $Header$
*
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <libgen.h>
#include "config.h"
#include "localdecls.h"
#include "sandbox.h"
void get_sandbox_lib(char *path)
{
#ifdef SB_HAVE_MULTILIB
snprintf(path, SB_PATH_MAX, "%s", LIB_NAME);
#else
snprintf(path, SB_PATH_MAX, "%s/%s", LIBSANDBOX_PATH, LIB_NAME);
if (0 >= exists(path)) {
snprintf(path, SB_PATH_MAX, "%s", LIB_NAME);
}
#endif
}
#ifdef OUTSIDE_LIBSANDBOX
void get_sandbox_rc(char *path)
{
snprintf(path, SB_PATH_MAX, "%s/%s", SANDBOX_BASHRC_PATH, BASHRC_NAME);
}
void get_sandbox_log(char *path)
{
char *sandbox_log_env = NULL;
sandbox_log_env = getenv(ENV_SANDBOX_LOG);
/* THIS CHUNK BREAK THINGS BY DOING THIS:
* SANDBOX_LOG=/tmp/sandbox-app-admin/superadduser-1.0.7-11063.log
*/
if ((NULL != sandbox_log_env) &&
(NULL != strchr(sandbox_log_env, '/')))
sandbox_log_env = NULL;
snprintf(path, SB_PATH_MAX, "%s%s%s%s%d%s",
SANDBOX_LOG_LOCATION, LOG_FILE_PREFIX,
(sandbox_log_env == NULL ? "" : sandbox_log_env),
(sandbox_log_env == NULL ? "" : "-"),
getpid(), LOG_FILE_EXT);
}
void get_sandbox_debug_log(char *path)
{
char *sandbox_debug_log_env = NULL;
sandbox_debug_log_env = getenv(ENV_SANDBOX_DEBUG_LOG);
/* THIS CHUNK BREAK THINGS BY DOING THIS:
* SANDBOX_DEBUG_LOG=/tmp/sandbox-app-admin/superadduser-1.0.7-11063.log
*/
if ((NULL != sandbox_debug_log_env) &&
(NULL != strchr(sandbox_debug_log_env, '/')))
sandbox_debug_log_env = NULL;
snprintf(path, SB_PATH_MAX, "%s%s%s%s%d%s",
SANDBOX_LOG_LOCATION, DEBUG_LOG_FILE_PREFIX,
(sandbox_debug_log_env == NULL ? "" : sandbox_debug_log_env),
(sandbox_debug_log_env == NULL ? "" : "-"),
getpid(), LOG_FILE_EXT);
}
int get_tmp_dir(char *path)
{
if (NULL == realpath(getenv(ENV_TMPDIR) ? getenv(ENV_TMPDIR)
: TMPDIR,
path)) {
if (NULL == realpath(TMPDIR, path))
return -1;
}
return 0;
}
#endif /* OUTSIDE_LIBSANDBOX */
int exists(const char *pathname)
{
struct stat buf;
int retval;
if ((NULL == pathname) || (0 == strlen(pathname)))
return 0;
retval = lstat(pathname, &buf);
if (-1 != retval)
return 1;
/* Some or other error occurred */
if (ENOENT != errno)
return -1;
return 0;
}
#ifdef OUTSIDE_LIBSANDBOX
int is_file(const char *pathname)
{
struct stat buf;
int retval;
if ((NULL == pathname) || (0 == strlen(pathname)))
return 0;
retval = lstat(pathname, &buf);
if ((-1 != retval) && (S_ISREG(buf.st_mode)))
return 1;
/* Some or other error occurred */
if ((-1 == retval) && (ENOENT != errno))
return -1;
return 0;
}
int is_dir(const char *pathname, int follow_link)
{
struct stat buf;
int retval;
if ((NULL == pathname) || (0 == strlen(pathname)))
return 0;
retval = follow_link ? stat(pathname, &buf) : lstat(pathname, &buf);
if ((-1 != retval) && (S_ISDIR(buf.st_mode)))
return 1;
/* Some or other error occurred */
if ((-1 == retval) && (ENOENT != errno))
return -1;
return 0;
}
long file_length(int fd)
{
struct stat st;
int retval;
retval = fstat(fd, &st);
if (-1 == retval)
return 0;
return (st.st_size);
}
#endif /* OUTSIDE_LIBSANDBOX */
char * gstrndup (const char *str, size_t size)
{
char *new_str = NULL;
size_t len;
if (NULL == str)
return NULL;
/* Check lenght of str without breaching the size limit */
for (len = 0; (len < size) && ('\0' != str[len]); len++);
new_str = malloc (len + 1);
if (NULL == new_str)
return NULL;
/* Make sure our string is NULL terminated */
new_str[len] = '\0';
return (char *) memcpy (new_str, str, len);
}
char *
gbasename (const char *path)
{
char *new_path = NULL;
if (NULL == path)
return NULL;
/* Copied from glibc */
new_path = strrchr (path, '/');
return new_path ? new_path + 1 : (char *) path;
}
// vim:noexpandtab noai:cindent ai
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