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/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <stdlib.h>
#include "uti/sge_rmon.h"
#include "uti/sge_log.h"
#include "uti/sge_unistd.h"
#include "uti/sge_prog.h"
#include "uti/sge_os.h"
#include "uti/sge_stdio.h"
#include "uti/config_file.h"
#include "uti/sge_uidgid.h"
#include "sgeobj/sge_conf.h"
#include "sgeobj/sge_job.h"
#include "sgeobj/sge_mailrec.h"
#include "mail.h"
#include "sig_handlers.h"
#include "msg_common.h"
#include "msg_daemons_common.h"
#if defined(SOLARIS)
# include "sge_smf.h"
#endif
static void sge_send_mail(u_long32 progid,
const char *mailer, int mailer_has_subj_line,
const char *user, const char *host, const char *subj,
const char *buf);
/*
** NAME
** cull_mail
** PARAMETER
** user_list - mail recipients list (MR_Type)
** subj - subject line
** buf - message contents
** RETURN
** none
** EXTERNAL
** sge_send_mail
** DESCRIPTION
** sends a mail to each of the recipients in the list
*/
void cull_mail(u_long32 progid, lList *user_list, const char *subj, const char *buf, const char *mail_type) {
char *mailer;
int mailer_has_subj_line;
lListElem *ep;
const char *user, *host;
DENTER(TOP_LAYER, "cull_mail");
mailer = mconf_get_mailer();
mailer_has_subj_line = 1;
if (!buf) {
buf = subj;
}
if (user_list) {
for_each(ep, user_list) {
user = lGetString(ep, MR_user);
host = lGetHost(ep, MR_host);
if (!user && !host) {
ERROR((SGE_EVENT, SFNMAX, MSG_MAIL_EMPTYUSERHOST));
sge_free(&mailer);
DRETURN_VOID;
} else if (!host) {
INFO((SGE_EVENT, MSG_MAIL_MAILUSER_SSSS,
mail_type, user, mailer, subj ? subj : MSG_MAIL_NOSUBJ));
} else {
INFO((SGE_EVENT, MSG_MAIL_MAILUSERHOST_SSSSS,
mail_type, user, host, mailer,
subj ? subj : MSG_MAIL_NOSUBJ));
}
sge_send_mail(progid, mailer, mailer_has_subj_line, user, host, subj, buf);
}
}
sge_free(&mailer);
DRETURN_VOID;
}
/************************************************************/
static void sge_send_mail(u_long32 progid, const char *mailer_in,
int mailer_has_subj_line, const char *user,
const char *host, const char *subj, const char *buf)
{
int pid;
int pid2;
int i;
int exit_status;
int pipefds[2];
FILE *fp;
stringT user_str;
bool done;
char *mailer;
#if !defined(INTERIX)
struct rusage rusage;
#endif
int status;
DENTER(TOP_LAYER, "sge_send_mail");
if (!user) {
DEXIT;
return;
}
alarm(0);
#if defined(SOLARIS)
char err_str[256];
i = sge_smf_contract_fork(err_str, 256);
/*
* -2 and lower is SMF contract failure,
* -1 is fork() failure and will be handled later
*/
if (i < -1){
ERROR((SGE_EVENT, MSG_SMF_MAIL_FORK_FAILED_S, err_str));
}
#else
i = fork();
#endif
if (i>0) {
DPRINTF(("PARENT RETURNS\n"));
DEXIT;
return;
}
/* log fork() failure */
else if (i == -1) { /* still in parent */
ERROR((SGE_EVENT, MSG_MAIL_NOFORK_S, strerror(errno)));
DEXIT;
return;
} /* else in child */
DPRINTF(("CHILD CONTINUES\n"));
SETPGRP;
sge_close_all_fds(NULL, 0);
/*
may never call SGE_EXIT() here because
leave_commd() gets called by a the mailer child
and leave_commd() unregisters the commproc
*/
if (pipe(pipefds) < 0) {
ERROR((SGE_EVENT, MSG_MAIL_NOPIPE_S, strerror(errno)));
exit(1);
}
/* Don't need to start in new contract on Solaris - already in new one */
if ((pid = fork()) < 0) {
ERROR((SGE_EVENT, MSG_MAIL_NOFORK_S, strerror(errno)));
exit(1);
}
if (!pid) {
if (host)
snprintf(user_str, sizeof(user_str), "%s@%s", user, host);
else
snprintf(user_str, sizeof(user_str), "%s", user);
if (dup2(pipefds[0], 0) < 0) {
CRITICAL((SGE_EVENT, MSG_MAIL_NODUP_S, strerror(errno)));
exit(1);
}
close(pipefds[1]);
mailer = strdup(mailer_in);
/* switch user */
{
char *user = parse_script_params(&mailer);
if (user != NULL) {
char err_str[256];
if (sge_set_uid_gid_addgrp(user, NULL, 0, 0, 0, err_str,
sizeof(err_str), 0, 0, false)) {
ERROR((SGE_EVENT, MSG_SYSTEM_SWITCHTOUSERFAILED_SS, user,
strerror(errno)));
sge_free(&mailer);
DEXIT;
return;
}
}
}
if (mailer_has_subj_line) {
DPRINTF(("%s mail -s %s %s", mailer, subj, user_str));
execl(mailer, "mail", "-s", subj, user_str, (char *) NULL);
}
else {
DPRINTF(("%s mail %s", mailer, user_str));
execl(mailer, "mail", user_str, (char *) NULL);
}
CRITICAL((SGE_EVENT, MSG_MAIL_NOEXEC_SS, mailer, strerror(errno)));
exit(1);
}
close(pipefds[0]);
fp = fdopen(pipefds[1], "w");
fprintf(fp, "%s\n", buf);
FCLOSE(fp);
sge_setup_sig_handlers(progid);
done = false;
while (!done) {
alarm(60); /* max time to allow for mail */
sigprocmask(SIG_SETMASK, &io_mask, &omask);
sigaction(SIGALRM, &sigalrm_vec, &sigalrm_ovec);
#if defined(INTERIX)
pid2 = waitpid(pid, &status, 0);
#else
pid2 = wait3(&status, 0, &rusage);
#endif
alarm(0);
if (pid2 == 0) { /* how could this happen? */
kill(pid, SIGKILL);
ERROR((SGE_EVENT, SFNMAX, MSG_MAIL_NOMAIL1));
exit(1);
}
if (pid2 == -1) { /* alarm must have went off */
kill(pid, SIGKILL);
ERROR((SGE_EVENT, SFNMAX, MSG_MAIL_NOMAIL2));
exit(1);
}
if (WIFSTOPPED(status)) { /* how could this happen? */
kill(pid, SIGKILL);
ERROR((SGE_EVENT, MSG_MAIL_NOMAIL3_I, WSTOPSIG(status)));
exit(1);
}
exit_status = status;
DPRINTF(("mailer exited with exit status %d\n", exit_status));
exit(exit_status);
}
FCLOSE_ERROR:
CRITICAL((SGE_EVENT, MSG_FILE_NOCLOSE_SS, "<pipefds>", strerror(errno)));
exit(1);
}
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