mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 19:53:32 +08:00
89e435f355
POSIX requires that we make a copy, so we allocate a new string and free it in posix_spawn_file_actions_destroy. Reported by David Reid, Alex Gaynor, and Glyph Lefkowitz. This bug may have security implications.
42 lines
788 B
C
42 lines
788 B
C
/* Data structure to contain the action information. */
|
|
struct __spawn_action
|
|
{
|
|
enum
|
|
{
|
|
spawn_do_close,
|
|
spawn_do_dup2,
|
|
spawn_do_open
|
|
} tag;
|
|
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
int fd;
|
|
} close_action;
|
|
struct
|
|
{
|
|
int fd;
|
|
int newfd;
|
|
} dup2_action;
|
|
struct
|
|
{
|
|
int fd;
|
|
char *path;
|
|
int oflag;
|
|
mode_t mode;
|
|
} open_action;
|
|
} action;
|
|
};
|
|
|
|
#define SPAWN_XFLAGS_USE_PATH 0x1
|
|
#define SPAWN_XFLAGS_TRY_SHELL 0x2
|
|
|
|
extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
|
|
file_actions);
|
|
|
|
extern int __spawni (pid_t *pid, const char *path,
|
|
const posix_spawn_file_actions_t *file_actions,
|
|
const posix_spawnattr_t *attrp, char *const argv[],
|
|
char *const envp[], int xflags);
|