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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 <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "sge_prog.h"
#include "sge.h"
#include "sgermon.h"
#include "sge_log.h"
#include "sge_signal.h"
#include "msg_common.h"
#include "sge_edit.h"
#include "sge_unistd.h"
int sge_edit(const char *fname, uid_t myuid, gid_t mygid)
{
SGE_STRUCT_STAT before, after;
pid_t pid;
int status;
int ws = 0;
DENTER(TOP_LAYER, "sge_edit");;
if (fname == NULL) {
ERROR((SGE_EVENT, MSG_NULLPOINTER));
return -1;
}
if (SGE_STAT(fname, &before)) {
ERROR((SGE_EVENT, MSG_FILE_EDITFILEXDOESNOTEXIST_S, fname));
DEXIT;
return -1;
}
chown(fname, myuid, mygid);
pid = fork();
if (pid) {
while (ws != pid) {
ws = waitpid(pid, &status, 0);
if (WIFEXITED(status)) {
if (WEXITSTATUS(status) != 0) {
ERROR((SGE_EVENT, MSG_QCONF_EDITOREXITEDWITHERROR_I,
(int) WEXITSTATUS(status)));
DEXIT;
return -1;
}
else {
if (SGE_STAT(fname, &after)) {
ERROR((SGE_EVENT, MSG_QCONF_EDITFILEXNOLONGEREXISTS_S, fname));
DEXIT;
return -1;
}
if ((before.st_mtime != after.st_mtime) ||
(before.st_size != after.st_size)) {
DEXIT;
return 0;
}
else {
/* file is unchanged; inform caller */
DEXIT;
return 1;
}
}
}
#ifndef WIN32 /* signals b18 */
if (WIFSIGNALED(status)) {
ERROR((SGE_EVENT, MSG_QCONF_EDITORWASTERMINATEDBYSIGX_I,
(int) WTERMSIG(status)));
DEXIT;
return -1;
}
#endif
}
} else {
const char *cp = NULL;
sge_set_def_sig_mask(NULL, NULL);
sge_unblock_all_signals();
setuid(getuid());
setgid(getgid());
cp = sge_getenv("EDITOR");
if (!cp || strlen(cp) == 0)
cp = DEFAULT_EDITOR;
execlp(cp, cp, fname, (char *) 0);
ERROR((SGE_EVENT, MSG_QCONF_CANTSTARTEDITORX_S, cp));
SGE_EXIT(NULL, 1);
}
DEXIT;
return (-1);
}
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