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 struct terminal;
  10
  11 enum secsave_errno {
  12         SS_ERR_NONE = 0,
  13         SS_ERR_DISABLED, /* secsave is disabled. */
  14         SS_ERR_OUT_OF_MEM, /* memory allocation failure */
  15
  16         /* see err field in struct secure_save_info */
  17         SS_ERR_OPEN_READ,
  18         SS_ERR_OPEN_WRITE,
  19         SS_ERR_STAT,
  20         SS_ERR_ACCESS,
  21         SS_ERR_MKSTEMP,
  22         SS_ERR_RENAME,
  23         SS_ERR_OTHER,
  24 };
  25
  26 extern enum secsave_errno secsave_errno; /* internal secsave error number */
  27
  28 struct secure_save_info {
  29         FILE *fp; /* file stream pointer */
  30         unsigned char *file_name; /* final file name */
  31         unsigned char *tmp_file_name; /* temporary file name */
  32         int err; /* set to non-zero value in case of error */
  33         int secure_save; /* use secure save for this file */
  34 };
  35
  36 struct secure_save_info *secure_open(unsigned char *);
  37
  38 int secure_close(struct secure_save_info *);
  39
  40 int secure_fputs(struct secure_save_info *, const char *);
  41 int secure_fputc(struct secure_save_info *, int);
  42
  43 int secure_fprintf(struct secure_save_info *, const char *, ...);
  44
  45 unsigned char *secsave_strerror(enum secsave_errno, struct terminal *);
  46
  47 #endif