*/
#define _LGPL_SOURCE
-#include <assert.h>
#include <fcntl.h>
#include <grp.h>
#include <limits.h>
{
int ret;
char *buf = NULL;
- size_t buf_size;
+ long raw_get_pw_buf_size;
+ size_t get_pw_buf_size;
struct passwd pwd;
struct passwd *result = NULL;
/* Fetch the max size for the temporary buffer. */
errno = 0;
- buf_size = sysconf(_SC_GETPW_R_SIZE_MAX);
- if (buf_size < 0) {
+ raw_get_pw_buf_size = sysconf(_SC_GETPW_R_SIZE_MAX);
+ if (raw_get_pw_buf_size < 0) {
if (errno != 0) {
PERROR("Failed to query _SC_GETPW_R_SIZE_MAX");
goto error;
/* Limit is indeterminate. */
WARN("Failed to query _SC_GETPW_R_SIZE_MAX as it is "
"indeterminate; falling back to default buffer size");
- buf_size = GETPW_BUFFER_FALLBACK_SIZE;
+ raw_get_pw_buf_size = GETPW_BUFFER_FALLBACK_SIZE;
}
- buf = zmalloc(buf_size);
+ get_pw_buf_size = (size_t) raw_get_pw_buf_size;
+
+ buf = zmalloc(get_pw_buf_size);
if (buf == NULL) {
PERROR("Failed to allocate buffer to get password file entries");
goto error;
}
- ret = getpwuid_r(uid, &pwd, buf, buf_size, &result);
+ ret = getpwuid_r(uid, &pwd, buf, get_pw_buf_size, &result);
if (ret < 0) {
PERROR("Failed to get user information for user: uid = %d",
(int) uid);
struct run_as_ret recvret;
struct run_as_worker *worker;
- assert(!global_worker);
+ LTTNG_ASSERT(!global_worker);
if (!use_clone()) {
/*
* Don't initialize a worker, all run_as tasks will be performed
if (use_clone()) {
DBG("Using run_as worker");
- assert(global_worker);
+ LTTNG_ASSERT(global_worker);
ret = run_as_cmd(global_worker, cmd, data, ret_value, uid, gid);
saved_errno = ret_value->_errno;
return ret;
}
-LTTNG_HIDDEN
int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid)
{
return run_as_mkdirat_recursive(AT_FDCWD, path, mode, uid, gid);
}
-LTTNG_HIDDEN
int run_as_mkdirat_recursive(int dirfd, const char *path, mode_t mode,
uid_t uid, gid_t gid)
{
return ret;
}
-LTTNG_HIDDEN
int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid)
{
return run_as_mkdirat(AT_FDCWD, path, mode, uid, gid);
}
-LTTNG_HIDDEN
int run_as_mkdirat(int dirfd, const char *path, mode_t mode,
uid_t uid, gid_t gid)
{
return ret;
}
-LTTNG_HIDDEN
int run_as_open(const char *path, int flags, mode_t mode, uid_t uid,
gid_t gid)
{
return run_as_openat(AT_FDCWD, path, flags, mode, uid, gid);
}
-LTTNG_HIDDEN
int run_as_openat(int dirfd, const char *path, int flags, mode_t mode,
uid_t uid, gid_t gid)
{
return ret;
}
-LTTNG_HIDDEN
int run_as_unlink(const char *path, uid_t uid, gid_t gid)
{
return run_as_unlinkat(AT_FDCWD, path, uid, gid);
}
-LTTNG_HIDDEN
int run_as_unlinkat(int dirfd, const char *path, uid_t uid, gid_t gid)
{
int ret;
return ret;
}
-LTTNG_HIDDEN
int run_as_rmdir(const char *path, uid_t uid, gid_t gid)
{
return run_as_rmdirat(AT_FDCWD, path, uid, gid);
}
-LTTNG_HIDDEN
int run_as_rmdirat(int dirfd, const char *path, uid_t uid, gid_t gid)
{
int ret;
return ret;
}
-LTTNG_HIDDEN
int run_as_rmdir_recursive(const char *path, uid_t uid, gid_t gid, int flags)
{
return run_as_rmdirat_recursive(AT_FDCWD, path, uid, gid, flags);
}
-LTTNG_HIDDEN
int run_as_rmdirat_recursive(int dirfd, const char *path, uid_t uid, gid_t gid, int flags)
{
int ret;
return ret;
}
-LTTNG_HIDDEN
int run_as_rename(const char *old, const char *new, uid_t uid, gid_t gid)
{
return run_as_renameat(AT_FDCWD, old, AT_FDCWD, new, uid, gid);
}
-LTTNG_HIDDEN
int run_as_renameat(int old_dirfd, const char *old_name,
int new_dirfd, const char *new_name, uid_t uid, gid_t gid)
{
return ret;
}
-LTTNG_HIDDEN
int run_as_extract_elf_symbol_offset(int fd, const char* function,
uid_t uid, gid_t gid, uint64_t *offset)
{
return ret;
}
-LTTNG_HIDDEN
int run_as_extract_sdt_probe_offsets(int fd, const char* provider_name,
const char* probe_name, uid_t uid, gid_t gid,
uint64_t **offsets, uint32_t *num_offset)
return ret;
}
-LTTNG_HIDDEN
int run_as_generate_filter_bytecode(const char *filter_expression,
const struct lttng_credentials *creds,
struct lttng_bytecode **bytecode)
return ret;
}
-LTTNG_HIDDEN
int run_as_create_worker(const char *procname,
post_fork_cleanup_cb clean_up_func,
void *clean_up_user_data)
return ret;
}
-LTTNG_HIDDEN
void run_as_destroy_worker(void)
{
pthread_mutex_lock(&worker_lock);