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glibc  2.9
Defines | Functions
hesiod-pwd.c File Reference
#include <errno.h>
#include <hesiod.h>
#include <pwd.h>
#include <nss.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "nss_hesiod.h"
#include <nss/nss_files/files-parse.c>

Go to the source code of this file.

Defines

#define ENTNAME   pwent
#define STRUCTURE   passwd
#define EXTERN_PARSER

Functions

enum nss_status _nss_hesiod_setpwent (int stayopen)
enum nss_status _nss_hesiod_endpwent (void)
static enum nss_status lookup (const char *name, const char *type, struct passwd *pwd, char *buffer, size_t buflen, int *errnop)
enum nss_status _nss_hesiod_getpwnam_r (const char *name, struct passwd *pwd, char *buffer, size_t buflen, int *errnop)
enum nss_status _nss_hesiod_getpwuid_r (uid_t uid, struct passwd *pwd, char *buffer, size_t buflen, int *errnop)

Define Documentation

#define ENTNAME   pwent

Definition at line 31 of file hesiod-pwd.c.

#define EXTERN_PARSER

Definition at line 33 of file hesiod-pwd.c.

#define STRUCTURE   passwd

Definition at line 32 of file hesiod-pwd.c.


Function Documentation

Definition at line 43 of file hesiod-pwd.c.

{
  return NSS_STATUS_SUCCESS;
}
enum nss_status _nss_hesiod_getpwnam_r ( const char *  name,
struct passwd pwd,
char *  buffer,
size_t  buflen,
int errnop 
)

Definition at line 98 of file hesiod-pwd.c.

{
  return lookup (name, "passwd", pwd, buffer, buflen, errnop);
}

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enum nss_status _nss_hesiod_getpwuid_r ( uid_t  uid,
struct passwd pwd,
char *  buffer,
size_t  buflen,
int errnop 
)

Definition at line 105 of file hesiod-pwd.c.

{
  char uidstr[21];   /* We will probably never have a gid_t with more
                        than 64 bits.  */

  snprintf (uidstr, sizeof uidstr, "%d", uid);

  return lookup (uidstr, "uid", pwd, buffer, buflen, errnop);
}

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enum nss_status _nss_hesiod_setpwent ( int  stayopen)

Definition at line 37 of file hesiod-pwd.c.

{
  return NSS_STATUS_SUCCESS;
}
static enum nss_status lookup ( const char *  name,
const char *  type,
struct passwd pwd,
char *  buffer,
size_t  buflen,
int errnop 
) [static]

Definition at line 49 of file hesiod-pwd.c.

{
  struct parser_data *data = (void *) buffer;
  size_t linebuflen;
  void *context;
  char **list;
  int parse_res;
  size_t len;
  int olderr = errno;

  context = _nss_hesiod_init ();
  if (context == NULL)
    return NSS_STATUS_UNAVAIL;

  list = hesiod_resolve (context, name, type);
  if (list == NULL)
    {
      int err = errno;
      hesiod_end (context);
      __set_errno (olderr);
      return err == ENOENT ? NSS_STATUS_NOTFOUND : NSS_STATUS_UNAVAIL;
    }

  linebuflen = buffer + buflen - data->linebuffer;
  len = strlen (*list) + 1;
  if (linebuflen < len)
    {
      hesiod_free_list (context, list);
      hesiod_end (context);
      *errnop = ERANGE;
      return NSS_STATUS_TRYAGAIN;
    }

  memcpy (data->linebuffer, *list, len);
  hesiod_free_list (context, list);
  hesiod_end (context);

  parse_res = _nss_files_parse_pwent (buffer, pwd, data, buflen, errnop);
  if (parse_res < 1)
    {
      __set_errno (olderr);
      return parse_res == -1 ? NSS_STATUS_TRYAGAIN : NSS_STATUS_NOTFOUND;
    }

  return NSS_STATUS_SUCCESS;
}

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