src/util/secsave.h

   1 /* Secure file saving handling */
   2
   3 #ifndef EL__UTIL_SECSAVE_H
   4 #define EL__UTIL_SECSAVE_H
   5
   6 #include <stdio.h>
   7 #include <sys/types.h> /* mode_t */
   8
   9 enum secsave_errno {
  10         SS_ERR_NONE = 0,
  11         SS_ERR_DISABLED, /* secsave is disabled. */
  12         SS_ERR_OUT_OF_MEM, /* memory allocation failure */
  13
  14         /* see err field in struct secure_save_info */
  15         SS_ERR_OPEN_READ,
  16         SS_ERR_OPEN_WRITE,
  17         SS_ERR_STAT,
  18         SS_ERR_ACCESS,
  19         SS_ERR_MKSTEMP,
  20         SS_ERR_RENAME,
  21         SS_ERR_OTHER,
  22 };
  23
  24 extern enum secsave_errno secsave_errno; /* internal secsave error number */
  25
  26 struct secure_save_info {
  27         FILE *fp; /* file stream pointer */
  28         unsigned char *file_name; /* final file name */
  29         unsigned char *tmp_file_name; /* temporary file name */
  30         int err; /* set to non-zero value in case of error */
  31         int secure_save; /* use secure save for this file */
  32 };
  33
  34 struct secure_save_info *secure_open(unsigned char *);
  35
  36 int secure_close(struct secure_save_info *);
  37
  38 int secure_fputs(struct secure_save_info *, const char *);
  39 int secure_fputc(struct secure_save_info *, int);
  40
  41 int secure_fprintf(struct secure_save_info *, const char *, ...);
  42
  43 #endif