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#include "cron.h"
#ifdef USE_PAM
#include <security/pam_appl.h>
static pam_handle_t *pamh = NULL;
static const struct pam_conv cron_conv;
int
cron_pam_start (const char *username)
{
int retval;
if (pamh)
return 0;
retval = pam_start ("cron", username, &cron_conv, &pamh);
log_close ();
if (retval != PAM_SUCCESS)
{
pamh = NULL;
log_it ("CRON", getpid (), "pam_start failed",
pam_strerror (pamh, retval));
return 0;
}
retval = pam_authenticate (pamh, PAM_SILENT);
log_close ();
if (retval != PAM_SUCCESS)
{
log_it ("CRON", getpid (), "pam_authenticate failed",
pam_strerror (pamh, retval));
pam_end (pamh, retval);
pamh = NULL;
return 0;
}
retval = pam_acct_mgmt (pamh, PAM_SILENT);
log_close ();
if (retval != PAM_SUCCESS)
{
log_it ("CRON", getpid (), "pam_acct_mgmt failed",
pam_strerror (pamh, retval));
pam_end (pamh, retval);
pamh = NULL;
return 0;
}
retval = pam_open_session (pamh, PAM_SILENT);
log_close ();
if (retval != PAM_SUCCESS)
{
log_it ("CRON", getpid (), "pam_open_session failed",
pam_strerror (pamh, retval));
pam_end (pamh, retval);
pamh = NULL;
return 0;
}
return 1;
}
int
cron_pam_setcred (void)
{
int retval;
if (!pamh)
return 0;
retval = pam_setcred (pamh, PAM_ESTABLISH_CRED | PAM_SILENT);
log_close ();
if (retval != PAM_SUCCESS)
{
log_it ("CRON", getpid (), "pam_setcred failed",
pam_strerror (pamh, retval));
pam_end (pamh, retval);
pamh = NULL;
log_close ();
return 0;
}
return 1;
}
void
cron_pam_finish (void)
{
if (!pamh)
return;
pam_close_session (pamh, 0);
pam_end (pamh, 0);
pamh = NULL;
log_close ();
}
#ifndef PAM_DATA_SILENT
#define PAM_DATA_SILENT 0
#endif
void
cron_pam_child_close (void)
{
pam_end (pamh, PAM_DATA_SILENT);
pamh = NULL;
log_close ();
}
char **
cron_pam_getenvlist (char **envp)
{
if (!pamh || !envp)
return 0;
for (; *envp; ++envp)
if (pam_putenv (pamh, *envp) != PAM_SUCCESS)
return 0;
return pam_getenvlist (pamh);
}
#endif /* USE_PAM */
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