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with the -t option (writing to /tmp) open files with O_CREAT|O_EXCL to overcome race conditions

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This commit is contained in:
Ben Collins 2000-04-24 16:41:36 +00:00
parent 4ecf780e48
commit 97493c3404
1 changed files with 15 additions and 1 deletions
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16
clients/tools/ldapsearch.c
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@ -14,7 +14,15 @@
#include <ac/signal.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include <ac/errno.h>
#include <sys/stat.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
@ -794,6 +802,7 @@ print_entry(
if ( vals2tmp > 1 || ( vals2tmp
&& ldif_is_not_printable( bvals[i]->bv_val, bvals[i]->bv_len ) ))
{
int tmpfd;
/* write value to file */
sprintf( tmpfname, "%s" LDAP_DIRSEP "ldapsearch-%s-XXXXXX",
tmpdir, a );
@ -804,7 +813,12 @@ print_entry(
continue;
}
if (( tmpfp = fopen( tmpfname, "w")) == NULL ) {
if (( tmpfd = open( tmpfname, O_WRONLY|O_CREAT|O_EXCL, 0600 )) == -1 ) {
perror( tmpfname );
continue;
}
if (( tmpfp = fdopen( tmpfd, "w")) == NULL ) {
perror( tmpfname );
continue;
}