usr/src/lib/gss_mechs/mech_krb5/krb5/os/krbfileio.c

   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
  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
  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 }