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login: add big fat comment about SIGINT - prevent

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adding/deleting that code again and again
This commit is contained in:
Denis Vlasenko 2006-10-31 18:30:56 +00:00
parent 6ae8079e2d
commit 8c76487f06
1 changed files with 8 additions and 1 deletions
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9
loginutils/login.c
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@ -386,7 +386,14 @@ auth_failed:
// /* TIOCSCTTY: steal tty from other process group */
// if (ioctl(0, TIOCSCTTY, 1)) error_msg...
signal(SIGALRM, SIG_DFL); /* set signals to defaults */
/* set signals to defaults */
signal(SIGALRM, SIG_DFL);
/* Is this correct? This way user can ctrl-c out of /etc/profile,
* potentially creating security breach (tested with bash 3.0).
* But without this, bash 3.0 will not enable ctrl-c either.
* Maybe bash is buggy?
* Need to find out what standards say about /bin/login -
* should it leave SIGINT etc enabled or disabled? */
signal(SIGINT, SIG_DFL);
run_shell(tmp, 1, 0, 0); /* exec the shell finally */