diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/msgctl.c | 41 | ||||
| -rw-r--r-- | sysvipc/test-sysvipc.h | 25 | ||||
| -rw-r--r-- | sysvipc/test-sysvmsg.c | 5 |
3 files changed, 61 insertions, 10 deletions
diff --git a/sysdeps/unix/sysv/linux/msgctl.c b/sysdeps/unix/sysv/linux/msgctl.c index a1f24ab242..f4493de573 100644 --- a/sysdeps/unix/sysv/linux/msgctl.c +++ b/sysdeps/unix/sysv/linux/msgctl.c @@ -88,25 +88,46 @@ __msgctl64 (int msqid, int cmd, struct __msqid64_ds *buf) { #if __IPC_TIME64 struct kernel_msqid64_ds ksemid, *arg = NULL; - if (buf != NULL) +#else + msgctl_arg_t *arg; +#endif + + switch (cmd) { - /* This is a Linux extension where kernel returns a 'struct msginfo' - instead. */ - if (cmd == IPC_INFO || cmd == MSG_INFO) - arg = (struct kernel_msqid64_ds *) buf; - else + case IPC_RMID: + arg = NULL; + break; + + case IPC_SET: + case IPC_STAT: + case MSG_STAT: + case MSG_STAT_ANY: +#if __IPC_TIME64 + if (buf != NULL) { msqid64_to_kmsqid64 (buf, &ksemid); arg = &ksemid; } - } # ifdef __ASSUME_SYSVIPC_BROKEN_MODE_T - if (cmd == IPC_SET) - arg->msg_perm.mode *= 0x10000U; + if (cmd == IPC_SET) + arg->msg_perm.mode *= 0x10000U; # endif #else - msgctl_arg_t *arg = buf; + arg = buf; #endif + break; + + case IPC_INFO: + case MSG_INFO: + /* This is a Linux extension where kernel returns a 'struct msginfo' + instead. */ + arg = (__typeof__ (arg)) buf; + break; + + default: + __set_errno (EINVAL); + return -1; + } int ret = msgctl_syscall (msqid, cmd, arg); if (ret < 0) diff --git a/sysvipc/test-sysvipc.h b/sysvipc/test-sysvipc.h index d7ed496511..21ef6c6565 100644 --- a/sysvipc/test-sysvipc.h +++ b/sysvipc/test-sysvipc.h @@ -82,4 +82,29 @@ first_sem_invalid_cmd (void) return invalid; } +/* Return the first invalid command SysV IPC command for message queue. */ +static inline int +first_msg_invalid_cmd (void) +{ + const int msg_cmds[] = { + MSG_STAT, + MSG_INFO, +#ifdef MSG_STAT_ANY + MSG_STAT_ANY, +#endif + }; + + int invalid = first_common_invalid_cmd (); + for (int i = 0; i < array_length (msg_cmds); i++) + { + if (invalid == msg_cmds[i]) + { + invalid++; + i = 0; + } + } + + return invalid; +} + #endif /* _TEST_SYSV_H */ diff --git a/sysvipc/test-sysvmsg.c b/sysvipc/test-sysvmsg.c index 84efdade5e..ada2881065 100644 --- a/sysvipc/test-sysvmsg.c +++ b/sysvipc/test-sysvmsg.c @@ -24,6 +24,8 @@ #include <sys/ipc.h> #include <sys/msg.h> +#include <test-sysvipc.h> + #include <support/support.h> #include <support/check.h> #include <support/temp_file.h> @@ -86,6 +88,9 @@ do_test (void) FAIL_EXIT1 ("msgget failed (errno=%d)", errno); } + TEST_COMPARE (msgctl (msqid, first_msg_invalid_cmd (), NULL), -1); + TEST_COMPARE (errno, EINVAL); + /* Get message queue kernel information and do some sanity checks. */ struct msqid_ds msginfo; if (msgctl (msqid, IPC_STAT, &msginfo) == -1) |