1 /*
2  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 
7 
8 #include "k5-int.h"
9 #include <sys/file.h>
10 #include <fcntl.h>
11 
12 #ifndef O_BINARY
13 #define O_BINARY 0
14 #endif
15 
16 krb5_error_code
krb5_create_secure_file(krb5_context context,const char * pathname)17 krb5_create_secure_file(krb5_context context, const char *pathname)
18 {
19 	int 	fd;
20 	int 	open_flag;
21 
22 	open_flag = O_CREAT|O_EXCL|O_TRUNC|O_RDWR;
23 
24 	/*
25 	 * Make sure file name is reserved.
26 	 * The O_BINARY flag is not a supported flag in the Solaris
27 	 * open(2) system call, but it is included here to be consistent
28 	 * with other open calls in the Kerberos library code.
29 	 */
30 
31 	fd = open(pathname, open_flag | O_BINARY, 0600);
32 	if (fd == -1) {
33 		return (errno);
34 	} else {
35 		close(fd);
36 		return (0);
37 	}
38 }
39 
40 krb5_error_code
krb5_sync_disk_file(krb5_context context,FILE * fp)41 krb5_sync_disk_file(krb5_context context, FILE *fp)
42 {
43 	if (fp == NULL) {
44 		(void) fclose(fp);
45 		return (errno);
46 	}
47 	if ((fflush(fp) == EOF) || ferror(fp) || (fsync(fileno(fp)) == -1)) {
48 		return (errno);
49 	}
50 	return (0);
51 }
52