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Shift return value of system(3) by 8 to get real exit value and if it is not 1 or 0 print the retval along with the error message.

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Todd C. Miller
1999-04-02 21:02:57 +00:00
parent 1116756bff
commit a234aee2c6
1 changed files with 5 additions and 4 deletions
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9
visudo.c
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@@ -231,9 +231,9 @@ int main(argc, argv)
else
(void) sprintf(buf, "%s %s", Editor, stmp);
/* do the edit -- some SYSV editors return 256 instead of 0 */
/* do the edit -- some SYSV editors exit with 1 instead of 0 */
n = system(buf);
if (n == 0 || n == 256) {
if (n != -1 && ((n >> 8) == 0 || (n >> 8) == 1)) {
struct stat statbuf; /* for sanity checking */
/* make sure stmp exists */
@@ -279,8 +279,9 @@ int main(argc, argv)
parse_error = TRUE;
}
} else {
(void) fprintf(stderr, "%s: Editor (%s) failed, %s unchanged.\n",
Argv[0], Editor, sudoers);
(void) fprintf(stderr,
"%s: Editor (%s) failed with exit status %d, %s unchanged.\n",
Argv[0], Editor, n, sudoers);
Exit(-1);
}