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glibc  2.9
Functions
nisplus-spwd.c File Reference
#include <nss.h>
#include <errno.h>
#include <shadow.h>
#include <string.h>
#include <bits/libc-lock.h>
#include <rpcsvc/nis.h>
#include "nss-nisplus.h"
#include "nisplus-parser.h"

Go to the source code of this file.

Functions

 __libc_lock_define_initialized (static, lock)
enum nss_status _nss_nisplus_endspent (void)
static enum nss_status internal_nisplus_getspent_r (struct spwd *sp, char *buffer, size_t buflen, int *errnop)
enum nss_status _nss_nisplus_getspent_r (struct spwd *result, char *buffer, size_t buflen, int *errnop)
enum nss_status _nss_nisplus_getspnam_r (const char *name, struct spwd *sp, char *buffer, size_t buflen, int *errnop)

Function Documentation

__libc_lock_define_initialized ( static  ,
lock   
)

Definition at line 31 of file nisplus-spwd.c.

{
  enum nss_status status = NSS_STATUS_SUCCESS;
  int err;

  __libc_lock_lock (lock);

  if (result != NULL)
    {
      nis_freeresult (result);
      result = NULL;
    }

  if (pwd_tablename_val == NULL)
    status = _nss_pwd_create_tablename (&err);

  __libc_lock_unlock (lock);

  return NSS_STATUS_SUCCESS;
}

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Definition at line 64 of file nisplus-spwd.c.

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enum nss_status _nss_nisplus_getspent_r ( struct spwd result,
char *  buffer,
size_t  buflen,
int errnop 
)

Definition at line 146 of file nisplus-spwd.c.

{
  int status;

  __libc_lock_lock (lock);

  status = internal_nisplus_getspent_r (result, buffer, buflen, errnop);

  __libc_lock_unlock (lock);

  return status;
}

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enum nss_status _nss_nisplus_getspnam_r ( const char *  name,
struct spwd sp,
char *  buffer,
size_t  buflen,
int errnop 
)

Definition at line 161 of file nisplus-spwd.c.

{
  int parse_res;

  if (pwd_tablename_val == NULL)
    {
      enum nss_status status = _nss_pwd_create_tablename (errnop);

      if (status != NSS_STATUS_SUCCESS)
       return status;
    }

  if (name == NULL)
    {
      *errnop = EINVAL;
      return NSS_STATUS_NOTFOUND;
    }

  nis_result *result;
  char buf[strlen (name) + 9 + pwd_tablename_len];
  int olderr = errno;

  snprintf (buf, sizeof (buf), "[name=%s],%s", name, pwd_tablename_val);

  result = nis_list (buf, FOLLOW_PATH | FOLLOW_LINKS | USE_DGRAM, NULL, NULL);

  if (result == NULL)
    {
      *errnop = ENOMEM;
      return NSS_STATUS_TRYAGAIN;
    }

  if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
    {
      enum nss_status status = niserr2nss (result->status);

      __set_errno (olderr);

      nis_freeresult (result);
      return status;
    }

  parse_res = _nss_nisplus_parse_spent (result, sp, buffer, buflen, errnop);
  nis_freeresult (result);

  if (__builtin_expect (parse_res < 1, 0))
    {
      if (parse_res == -1)
       {
         *errnop = ERANGE;
         return NSS_STATUS_TRYAGAIN;
       }
      else
       {
         __set_errno (olderr);
         return NSS_STATUS_NOTFOUND;
       }
    }

  return NSS_STATUS_SUCCESS;
}

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static enum nss_status internal_nisplus_getspent_r ( struct spwd sp,
char *  buffer,
size_t  buflen,
int errnop 
) [static]

Definition at line 80 of file nisplus-spwd.c.

{
  int parse_res;

  /* Get the next entry until we found a correct one. */
  do
    {
      nis_result *saved_res;

      if (result == NULL)
       {
         saved_res = NULL;

          if (pwd_tablename_val == NULL)
           {
             enum nss_status status = _nss_pwd_create_tablename (errnop);

             if (status != NSS_STATUS_SUCCESS)
              return status;
           }

         result = nis_first_entry (pwd_tablename_val);
         if (result == NULL)
           {
             *errnop = errno;
             return NSS_STATUS_TRYAGAIN;
           }
         if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
           return niserr2nss (result->status);
       }
      else
       {
         saved_res = result;
         result = nis_next_entry (pwd_tablename_val, &result->cookie);
         if (result == NULL)
           {
             *errnop = errno;
             return NSS_STATUS_TRYAGAIN;
           }
         if (niserr2nss (result->status) != NSS_STATUS_SUCCESS)
           {
             nis_freeresult (saved_res);
             return niserr2nss (result->status);
           }
       }

      parse_res = _nss_nisplus_parse_spent (result, sp, buffer,
                                       buflen, errnop);
      if (__builtin_expect (parse_res == -1, 0))
       {
         nis_freeresult (result);
         result = saved_res;
         *errnop = ERANGE;
         return NSS_STATUS_TRYAGAIN;
       }

      if (saved_res != NULL)
       nis_freeresult (saved_res);
    }
  while (!parse_res);

  return NSS_STATUS_SUCCESS;
}

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