diff options
Diffstat (limited to 'exec/exec.c')
| -rw-r--r-- | exec/exec.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/exec/exec.c b/exec/exec.c index 8004c650..0d123ce7 100644 --- a/exec/exec.c +++ b/exec/exec.c @@ -1643,21 +1643,33 @@ S_exec_exec (struct trivfs_protid *protid, #if 0 if (!(flags & EXEC_SECURE)) { - char *env_server_list = envz_get (envp, envplen, "EXECSERVERS"); + char *list = envz_get (envp, envplen, "EXECSERVERS"); - if (env_server_list) + if (list) { int tried = 0; - size_t len = strlen (p) + 1; - char *list = alloca (len); - - memcpy (list, env_server_list, len); + list = strdupa (list); while ((p = strsep (&list, ":"))) { + /* Open the named file using the appropriate directory ports for + the user. */ + error_t user_port (int which, error_t (*operate) (mach_port_t)) + { + return (*operate) (nports > which + ? portarray[which] : MACH_PORT_NULL); + } + file_t user_fd (int fd) + { + if (fd < 0 || fd >= dtablesize || + dtable[fd] == MACH_PORT_NULL) + { + errno = EBADF; + return MACH_PORT_NULL; + } + return dtable[fd]; + } file_t server; - if (!hurd_file_name_lookup (portarray[INIT_PORT_CRDIR], - portarray[INIT_PORT_CWDIR], - p, 0, 0, &server)) + if (!hurd_file_name_lookup (user_port, user_fd, p, 0,0, &server)) { error_t err; struct trivfs_protid *protid |