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If there is no record in utmpx that can be reused grow the file.

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Suggested by klas@nada.kth.se.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@912 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Björn Groenvall
1996-10-28 17:37:52 +00:00
parent 50d3e51784
commit 1dfbddf997
1 changed files with 30 additions and 14 deletions
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44
appl/login/utmpx_login.c
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@@ -6,6 +6,26 @@ RCSID("$Id$");
/* utmpx_login - update utmp and wtmp after login */ /* utmpx_login - update utmp and wtmp after login */
static
void
update(struct utmpx *ut, char *line, char *user, char *host)
{
strncpy(ut->ut_line, line, sizeof(ut->ut_line));
strncpy(ut->ut_user, user, sizeof(ut->ut_user));
strncpy(ut->ut_host, host, sizeof(ut->ut_host));
#ifdef HAVE_UT_SYSLEN
ut->ut_syslen = strlen(host) + 1;
if (ut->ut_syslen > sizeof(ut->ut_host))
ut->ut_syslen = sizeof(ut->ut_host);
#endif
ut->ut_type = USER_PROCESS;
gettimeofday(&(ut->ut_tv), 0);
pututxline(ut);
#ifdef WTMPX_FILE
updwtmpx(WTMPX_FILE, ut);
#endif
}
int int
utmpx_login(char *line, char *user, char *host) utmpx_login(char *line, char *user, char *host)
{ {
@@ -25,28 +45,24 @@ utmpx_login(char *line, char *user, char *host)
*/ */
while ((ut = getutxent())) { while ((ut = getutxent())) {
/* Try to find a reusable entry */
if (ut->ut_pid == mypid if (ut->ut_pid == mypid
&& ( ut->ut_type == INIT_PROCESS && ( ut->ut_type == INIT_PROCESS
|| ut->ut_type == LOGIN_PROCESS || ut->ut_type == LOGIN_PROCESS
|| ut->ut_type == USER_PROCESS)) { || ut->ut_type == USER_PROCESS)) {
strncpy(ut->ut_line, line, sizeof(ut->ut_line)); update(ut, line, user, host);
strncpy(ut->ut_user, user, sizeof(ut->ut_user));
strncpy(ut->ut_host, host, sizeof(ut->ut_host));
#ifdef HAVE_UT_SYSLEN
ut->ut_syslen = strlen(host) + 1;
if (ut->ut_syslen > sizeof(ut->ut_host))
ut->ut_syslen = sizeof(ut->ut_host);
#endif
ut->ut_type = USER_PROCESS;
gettimeofday(&(ut->ut_tv), 0);
pututxline(ut);
#ifdef WTMPX_FILE
updwtmpx(WTMPX_FILE, ut);
#endif
ret = 0; ret = 0;
break; break;
} }
} }
if (ret == -1) {
/* Grow utmpx file by one record. */
struct utmpx newut;
memset(&newut, 0, sizeof(newut));
newut.ut_pid = mypid;
update(&newut, line, user, host);
ret = 0;
}
endutxent(); endutxent();
return (ret); return (ret);
#endif /* HAVE_UTMPX */ #endif /* HAVE_UTMPX */