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[svn-upgrade] Integrating new upstream version, shadow (19990827)

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This commit is contained in:
nekral-guest
2007-10-07 11:44:08 +00:00
parent 45c6603cc8
commit 446e664caa
71 changed files with 12874 additions and 3576 deletions
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147
src/logoutd.c
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@@ -30,7 +30,7 @@
#include <config.h>
#include "rcsid.h"
RCSID(PKG_VER "$Id: logoutd.c,v 1.13 1999/06/07 16:40:45 marekm Exp $")
RCSID(PKG_VER "$Id: logoutd.c,v 1.14 1999/08/27 19:02:51 marekm Exp $")
#include <sys/types.h>
#include <sys/stat.h>
@@ -51,59 +51,18 @@ RCSID(PKG_VER "$Id: logoutd.c,v 1.13 1999/06/07 16:40:45 marekm Exp $")
static char *Prog;
static char *mesg_buf = "login time exceeded\r\n"; /* XXX warning: const */
static int mesg_len = 21;
static int mesg_size;
#ifndef DEFAULT_HUP_MESG
#define DEFAULT_HUP_MESG "login time exceeded\r\n"
#endif
#ifndef HUP_MESG_FILE
#define HUP_MESG_FILE "/etc/logoutd.mesg"
#endif
/* local function prototypes */
static RETSIGTYPE reload_mesg P_((int));
static int check_login P_((const struct utmp *));
int main P_((int, char **));
/*
* reload_mesg - reload the message that is output when killing a process
*/
static RETSIGTYPE
reload_mesg(int sig)
{
int fd;
struct stat sb;
signal (sig, reload_mesg);
if (stat (HUP_MESG_FILE, &sb))
return;
if ((sb.st_mode & S_IFMT) != S_IFREG)
return;
if ((fd = open (HUP_MESG_FILE, O_RDONLY)) != -1) {
if (sb.st_size + 1 > mesg_size) {
if (mesg_buf && mesg_size)
free (mesg_buf);
mesg_len = sb.st_size;
mesg_size = mesg_len + 1;
if (! (mesg_buf = (char *) malloc (mesg_len + 1)))
goto end;
} else
mesg_len = sb.st_size;
if (read (fd, mesg_buf, mesg_len) != mesg_len) {
mesg_len = 0;
goto end;
}
} else
return;
end:
close (fd);
}
/*
* check_login - check if user (struct utmp) allowed to stay logged in
@@ -140,6 +99,47 @@ check_login(const struct utmp *ut)
return 1;
}
static void
send_mesg_to_tty(int tty_fd)
{
TERMIO oldt, newt;
FILE *mesg_file, *tty_file;
int c, is_tty;
tty_file = fdopen(tty_fd, "w");
if (!tty_file)
return;
is_tty = (GTTY(tty_fd, &oldt) == 0);
if (is_tty) {
/* Suggested by Ivan Nejgebauar <ian@unsux.ns.ac.yu>:
set OPOST before writing the message. */
newt = oldt;
newt.c_oflag |= OPOST;
STTY(tty_fd, &newt);
}
mesg_file = fopen(HUP_MESG_FILE, "r");
if (mesg_file) {
while ((c = getc(mesg_file)) != EOF) {
if (c == '\n')
putc('\r', tty_file);
putc(c, tty_file);
}
fclose(mesg_file);
} else {
fputs(DEFAULT_HUP_MESG, tty_file);
}
fflush(tty_file);
fclose(tty_file);
if (is_tty) {
STTY(tty_fd, &oldt);
}
}
/*
* logoutd - logout daemon to enforce /etc/porttime file policy
*
@@ -154,6 +154,7 @@ main(int argc, char **argv)
{
int i;
int status;
pid_t pid;
struct utmp *ut;
char user[sizeof(ut->ut_user) + 1]; /* terminating NUL */
char tty_name[sizeof(ut->ut_line) + 6]; /* /dev/ + NUL */
@@ -177,14 +178,19 @@ main(int argc, char **argv)
setpgid(getpid(), getpid()); /* BSD || SUN || SUN4 */
#endif /* !HAVE_SETPGRP */
reload_mesg (SIGHUP);
/*
* Put this process in the background.
*/
if ((i = fork ()))
exit (i < 0 ? 1:0);
pid = fork();
if (pid > 0) {
/* parent */
exit(0);
} else if (pid < 0) {
/* error */
perror("fork");
exit(1);
}
#endif /* !DEBUG */
/*
@@ -201,9 +207,6 @@ main(int argc, char **argv)
*/
while (1) {
#ifndef DEBUG
sleep(60);
#endif
/*
* Attempt to re-open the utmp file. The file is only
@@ -233,8 +236,15 @@ main(int argc, char **argv)
* keeps the scan from waiting on other ports to die.
*/
if (fork() != 0)
pid = fork();
if (pid > 0) {
/* parent */
continue;
} else if (pid < 0) {
/* failed - give up until the next scan */
break;
}
/* child */
if (strncmp(ut->ut_line, "/dev/", 5) != 0)
strcpy(tty_name, "/dev/");
@@ -245,22 +255,10 @@ main(int argc, char **argv)
#ifndef O_NOCTTY
#define O_NOCTTY 0
#endif
if ((tty_fd = open (tty_name,
O_WRONLY|O_NDELAY|O_NOCTTY)) != -1) {
/* Suggested by Ivan Nejgebauar <ian@unsux.ns.ac.yu>: set OPOST
before writing the message. --marekm */
TERMIO oldt, newt;
GTTY(tty_fd, &oldt);
newt = oldt;
#ifdef OPOST
newt.c_oflag |= OPOST;
#else /* XXX - I'm too young to know bsd sgtty, sorry :). --marekm */
#endif
STTY(tty_fd, &newt);
write (tty_fd, mesg_buf, mesg_len);
STTY(tty_fd, &oldt);
close (tty_fd);
tty_fd = open(tty_name, O_WRONLY|O_NDELAY|O_NOCTTY);
if (tty_fd != -1) {
send_mesg_to_tty(tty_fd);
close(tty_fd);
sleep(10);
}
#ifdef USER_PROCESS /* USG_UTMP */
@@ -282,19 +280,11 @@ main(int argc, char **argv)
close (tty_fd);
#endif /* BSD || SUN || SUN4 */
#if 0
SYSLOG((LOG_NOTICE,
"logged off user `%.*s' on `%.*s'\n",
(int) sizeof(ut->ut_user), ut->ut_user,
(int) sizeof(ut->ut_line), ut->ut_line));
#else
/* avoid gcc warnings about %.*s in syslog() */
strncpy(user, ut->ut_line, sizeof(user) - 1);
user[sizeof(user) - 1] = '\0';
SYSLOG((LOG_NOTICE, "logged off user `%s' on `%s'\n",
user, tty_name));
#endif
/*
* This child has done all it can, drop dead.
@@ -305,6 +295,9 @@ main(int argc, char **argv)
endutent();
#ifndef DEBUG
sleep(60);
#endif
/*
* Reap any dead babies ...
*/