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* libmisc/failure.h, libmisc/failure.c, src/login.c: Added

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username as first parameter of failtmp to avoid issues with
	non-null terminated ut_user, unavailability of ut_user, incomplete
	username (that should not happen currently).
This commit is contained in:
nekral-guest
2009-04-20 11:37:41 +00:00
parent f3bea401e9
commit a87e747049
3 changed files with 7 additions and 15 deletions
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14
libmisc/failure.c
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@ -288,7 +288,7 @@ void failprint (const struct faillog *fail)
* maintains a record of all login failures.
*/
void failtmp (
void failtmp (const char *username,
#ifdef HAVE_UTMPX_H
const struct utmpx *failent
#else
@ -320,13 +320,9 @@ void failtmp (
fd = open (ftmp, O_WRONLY | O_APPEND);
if (-1 == fd) {
char ut_user[sizeof failent->ut_user];
(void) strncpy (&ut_user[0], failent->ut_user, sizeof ut_user);
ut_user[sizeof ut_user - 1] = '\0';
SYSLOG ((LOG_WARN,
"Can't append failure of user %s to %s.",
ut_user, ftmp));
username, ftmp));
return;
}
@ -336,13 +332,9 @@ void failtmp (
if ( (write (fd, (const void *) failent, sizeof *failent) != (ssize_t) sizeof *failent)
|| (close (fd) != 0)) {
char ut_user[sizeof failent->ut_user];
(void) strncpy (&ut_user[0], failent->ut_user, sizeof ut_user);
ut_user[sizeof ut_user - 1] = '\0';
SYSLOG ((LOG_WARN,
"Can't append failure of user %s to %s.",
ut_user, ftmp));
username, ftmp));
(void) close (fd);
}
}