47c524ddd4
nologin(8), this causes a considerable (100K) increase in the binary size, so I've added a NO_LOGIN_LOG option which disables this. While I'm here, s/sizeof(MESSAGE)/sizeof(MESSAGE) - 1/, in order to avoid writing the string-terminating zero byte. No complaints from: -current Approved by: rwatson (mentor)
35 lines
713 B
C
35 lines
713 B
C
/*-
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* This program is in the public domain. I couldn't bring myself to
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* declare Copyright on a variant of Hello World.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <syslog.h>
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#include <unistd.h>
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#define MESSAGE "This account is currently not available.\n"
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int
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main(int argc, char *argv[])
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{
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#ifndef NO_NOLOGIN_LOG
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char *user, *tt;
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if ((tt = ttyname(0)) == NULL)
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tt = "UNKNOWN";
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if ((user = getlogin()) == NULL)
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user = "UNKNOWN";
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openlog("nologin", LOG_CONS, LOG_AUTH);
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syslog(LOG_CRIT, "Attempted login by %s on %s", user, tt);
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closelog();
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#endif /* NO_NOLOGIN_LOG */
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write(STDOUT_FILENO, MESSAGE, sizeof(MESSAGE) - 1);
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_exit(1);
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}
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