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To avoid overwriting existing command status, check for CMD_INVALID

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instead of CMD_ERRNO or CMD_WSTATUS.
This commit is contained in:
Todd C. Miller
2017-05-18 13:53:15 -06:00
parent 47df575f68
commit ad8c1ae07a
3 changed files with 4 additions and 4 deletions
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4
src/exec_pty.c
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@@ -734,7 +734,7 @@ backchannel_cb(int fd, int what, void *v)
/* Nothing ready. */
break;
default:
if (ec->cstat->val != CMD_WSTATUS) {
if (ec->cstat->val == CMD_INVALID) {
ec->cstat->type = CMD_ERRNO;
ec->cstat->val = errno;
sudo_debug_printf(SUDO_DEBUG_ERROR,
@@ -795,7 +795,7 @@ backchannel_cb(int fd, int what, void *v)
break;
default:
/* Short read, should not happen. */
if (ec->cstat->val != CMD_WSTATUS) {
if (ec->cstat->val == CMD_INVALID) {
ec->cstat->type = CMD_ERRNO;
ec->cstat->val = EIO;
sudo_debug_printf(SUDO_DEBUG_ERROR,