Back to index

glibc  2.9
Defines | Functions
nis_defaults.c File Reference
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpcsvc/nis.h>

Go to the source code of this file.

Defines

#define DEFAULT_TTL   43200

Functions

static nis_name searchXYX (char *str, const char *what)
static nis_name searchgroup (char *str)
static nis_name searchowner (char *str)
static uint32_t searchttl (char *str)
static unsigned int searchaccess (char *str, unsigned int access)
nis_name __nis_default_owner (char *defaults)
 libnsl_hidden_def (__nis_default_owner)
 libnsl_hidden_def (__nis_default_group)
unsigned int __nis_default_access (char *param, unsigned int defaults)

Define Documentation

#define DEFAULT_TTL   43200

Definition at line 28 of file nis_defaults.c.


Function Documentation

unsigned int __nis_default_access ( char *  param,
unsigned int  defaults 
)

Definition at line 434 of file nis_defaults.c.

{
  unsigned int result;
  char *cptr;

  if (defaults == 0)
    result = 0 | OWNER_DEFAULT | GROUP_DEFAULT | WORLD_DEFAULT;
  else
    result = defaults;

  if (param != NULL && strstr (param, "access=") != NULL)
    result = searchaccess (param, result);
  else
    {
      cptr = getenv ("NIS_DEFAULTS");
      if (cptr != NULL && strstr (cptr, "access=") != NULL)
       result = searchaccess (cptr, result);
    }

  return result;
}

Here is the call graph for this function:

Here is the caller graph for this function:

nis_name __nis_default_owner ( char *  defaults)

Definition at line 355 of file nis_defaults.c.

{
  char *default_owner = NULL;

  char *cptr = defaults;
  if (cptr == NULL)
    cptr = getenv ("NIS_DEFAULTS");

  if (cptr != NULL)
    {
      char *dptr = strstr (cptr, "owner=");
      if (dptr != NULL)
       {
         char *p = searchowner (dptr);
         if (p == NULL)
           return NULL;
         default_owner = strdupa (p);
         free (p);
       }
    }

  return strdup (default_owner ?: nis_local_principal ());
}

Here is the call graph for this function:

Here is the caller graph for this function:

Definition at line 378 of file nis_defaults.c.

{
  char *default_group = NULL;

  char *cptr = defaults;
  if (cptr == NULL)
    cptr = getenv ("NIS_DEFAULTS");

  if (cptr != NULL)
    {
      char *dptr = strstr (cptr, "group=");
      if (dptr != NULL)
       {
         char *p = searchgroup (dptr);
         if (p == NULL)
           return NULL;
         default_group = strdupa (p);
         free (p);
       }
    }

  return strdup (default_group ?: nis_local_group ());
}

Here is the call graph for this function:

Definition at line 405 of file nis_defaults.c.

{
  char *cptr, *dptr;

  if (defaults != NULL)
    {
      dptr = strstr (defaults, "ttl=");
      if (dptr != NULL)
       return searchttl (defaults);
    }

  cptr = getenv ("NIS_DEFAULTS");
  if (cptr == NULL)
    return DEFAULT_TTL;

  dptr = strstr (cptr, "ttl=");
  if (dptr == NULL)
    return DEFAULT_TTL;

  return searchttl (cptr);
}

Here is the call graph for this function:

static unsigned int searchaccess ( char *  str,
unsigned int  access 
) [static]

Definition at line 125 of file nis_defaults.c.

{
  char buf[strlen (str) + 1];
  char *cptr;
  unsigned int result = access;
  int i;
  int n, o, g, w;

  cptr = strstr (str, "access=");
  if (cptr == NULL)
    return 0;

  cptr += 7;                /* points to the begin of the access string */
  i = 0;
  while (cptr[i] != '\0' && cptr[i] != ':')
    i++;
  if (i == 0)               /* only "access=" ? */
    return 0;

  strncpy (buf, cptr, i);
  buf[i] = '\0';

  n = o = g = w = 0;
  cptr = buf;
  if (*cptr == ',') /* Fix for stupid Solaris scripts */
    ++cptr;
  while (*cptr != '\0')
    {
      switch (*cptr)
       {
       case 'n':
         n = 1;
         break;
       case 'o':
         o = 1;
         break;
       case 'g':
         g = 1;
         break;
       case 'w':
         w = 1;
         break;
       case 'a':
         o = g = w = 1;
         break;
       case '-':
         cptr++;            /* Remove "-" from beginning */
         while (*cptr != '\0' && *cptr != ',')
           {
             switch (*cptr)
              {
              case 'r':
                if (n)
                  result = result & ~(NIS_READ_ACC << 24);
                if (o)
                  result = result & ~(NIS_READ_ACC << 16);
                if (g)
                  result = result & ~(NIS_READ_ACC << 8);
                if (w)
                  result = result & ~(NIS_READ_ACC);
                break;
              case 'm':
                if (n)
                  result = result & ~(NIS_MODIFY_ACC << 24);
                if (o)
                  result = result & ~(NIS_MODIFY_ACC << 16);
                if (g)
                  result = result & ~(NIS_MODIFY_ACC << 8);
                if (w)
                  result = result & ~(NIS_MODIFY_ACC);
                break;
              case 'c':
                if (n)
                  result = result & ~(NIS_CREATE_ACC << 24);
                if (o)
                  result = result & ~(NIS_CREATE_ACC << 16);
                if (g)
                  result = result & ~(NIS_CREATE_ACC << 8);
                if (w)
                  result = result & ~(NIS_CREATE_ACC);
                break;
              case 'd':
                if (n)
                  result = result & ~(NIS_DESTROY_ACC << 24);
                if (o)
                  result = result & ~(NIS_DESTROY_ACC << 16);
                if (g)
                  result = result & ~(NIS_DESTROY_ACC << 8);
                if (w)
                  result = result & ~(NIS_DESTROY_ACC);
                break;
              default:
                return (~0U);
              }
             cptr++;
           }
         n = o = g = w = 0;
         break;
       case '+':
         cptr++;            /* Remove "+" from beginning */
         while (*cptr != '\0' && *cptr != ',')
           {
             switch (*cptr)
              {
              case 'r':
                if (n)
                  result = result | (NIS_READ_ACC << 24);
                if (o)
                  result = result | (NIS_READ_ACC << 16);
                if (g)
                  result = result | (NIS_READ_ACC << 8);
                if (w)
                  result = result | (NIS_READ_ACC);
                break;
              case 'm':
                if (n)
                  result = result | (NIS_MODIFY_ACC << 24);
                if (o)
                  result = result | (NIS_MODIFY_ACC << 16);
                if (g)
                  result = result | (NIS_MODIFY_ACC << 8);
                if (w)
                  result = result | (NIS_MODIFY_ACC);
                break;
              case 'c':
                if (n)
                  result = result | (NIS_CREATE_ACC << 24);
                if (o)
                  result = result | (NIS_CREATE_ACC << 16);
                if (g)
                  result = result | (NIS_CREATE_ACC << 8);
                if (w)
                  result = result | (NIS_CREATE_ACC);
                break;
              case 'd':
                if (n)
                  result = result | (NIS_DESTROY_ACC << 24);
                if (o)
                  result = result | (NIS_DESTROY_ACC << 16);
                if (g)
                  result = result | (NIS_DESTROY_ACC << 8);
                if (w)
                  result = result | (NIS_DESTROY_ACC);
                break;
              default:
                return (~0U);
              }
             cptr++;
           }
         n = o = g = w = 0;
         break;
       case '=':
         cptr++;            /* Remove "=" from beginning */
         /* Clear */
         if (n)
           result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
                             NIS_CREATE_ACC + NIS_DESTROY_ACC) << 24);

         if (o)
           result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
                             NIS_CREATE_ACC + NIS_DESTROY_ACC) << 16);
         if (g)
           result = result & ~((NIS_READ_ACC + NIS_MODIFY_ACC +
                             NIS_CREATE_ACC + NIS_DESTROY_ACC) << 8);
         if (w)
           result = result & ~(NIS_READ_ACC + NIS_MODIFY_ACC +
                            NIS_CREATE_ACC + NIS_DESTROY_ACC);
         while (*cptr != '\0' && *cptr != ',')
           {
             switch (*cptr)
              {
              case 'r':
                if (n)
                  result = result | (NIS_READ_ACC << 24);
                if (o)
                  result = result | (NIS_READ_ACC << 16);
                if (g)
                  result = result | (NIS_READ_ACC << 8);
                if (w)
                  result = result | (NIS_READ_ACC);
                break;
              case 'm':
                if (n)
                  result = result | (NIS_MODIFY_ACC << 24);
                if (o)
                  result = result | (NIS_MODIFY_ACC << 16);
                if (g)
                  result = result | (NIS_MODIFY_ACC << 8);
                if (w)
                  result = result | (NIS_MODIFY_ACC);
                break;
              case 'c':
                if (n)
                  result = result | (NIS_CREATE_ACC << 24);
                if (o)
                  result = result | (NIS_CREATE_ACC << 16);
                if (g)
                  result = result | (NIS_CREATE_ACC << 8);
                if (w)
                  result = result | (NIS_CREATE_ACC);
                break;
              case 'd':
                if (n)
                  result = result | (NIS_DESTROY_ACC << 24);
                if (o)
                  result = result | (NIS_DESTROY_ACC << 16);
                if (g)
                  result = result | (NIS_DESTROY_ACC << 8);
                if (w)
                  result = result | (NIS_DESTROY_ACC);
                break;
              default:
                return result = (~0U);
              }
             cptr++;
           }
         n = o = g = w = 0;
         break;
       default:
         return result = (~0U);
       }
      if (*cptr != '\0')
       cptr++;
    }

  return result;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static nis_name searchgroup ( char *  str) [static]

Definition at line 51 of file nis_defaults.c.

{
  return searchXYX (str, "group=");
}

Here is the call graph for this function:

Here is the caller graph for this function:

static nis_name searchowner ( char *  str) [static]

Definition at line 58 of file nis_defaults.c.

{
  return searchXYX (str, "owner=");
}

Here is the call graph for this function:

Here is the caller graph for this function:

static uint32_t searchttl ( char *  str) [static]

Definition at line 65 of file nis_defaults.c.

{
  char buf[strlen (str) + 1];
  char *cptr, *dptr;
  uint32_t time;
  int i;

  dptr = strstr (str, "ttl=");
  if (dptr == NULL)         /* should (could) not happen */
    return DEFAULT_TTL;;

  dptr += 4;                /* points to the begin of the new ttl */
  i = 0;
  while (dptr[i] != '\0' && dptr[i] != ':')
    i++;
  if (i == 0)               /* only "ttl=" ? */
    return DEFAULT_TTL;

  strncpy (buf, dptr, i);
  buf[i] = '\0';
  time = 0;

  dptr = buf;
  cptr = strchr (dptr, 'd');
  if (cptr != NULL)
    {
      *cptr = '\0';
      cptr++;
      time += atoi (dptr) * 60 * 60 * 24;
      dptr = cptr;
    }

  cptr = strchr (dptr, 'h');
  if (cptr != NULL)
    {
      *cptr = '\0';
      cptr++;
      time += atoi (dptr) * 60 * 60;
      dptr = cptr;
    }

  cptr = strchr (dptr, 'm');
  if (cptr != NULL)
    {
      *cptr = '\0';
      cptr++;
      time += atoi (dptr) * 60;
      dptr = cptr;
    }

  cptr = strchr (dptr, 's');
  if (cptr != NULL)
    *cptr = '\0';

  time += atoi (dptr);

  return time;
}

Here is the call graph for this function:

Here is the caller graph for this function:

static nis_name searchXYX ( char *  str,
const char *  what 
) [static]

Definition at line 34 of file nis_defaults.c.

{
  assert (strlen (what) == 6);
  assert (strncmp (str, what, 6) == 0);
  str += 6;                 /* Points to the begin of the parameters.  */

  int i = 0;
  while (str[i] != '\0' && str[i] != ':')
    ++i;
  if (i == 0)               /* only "<WHAT>=" ? */
    return strdup ("");

  return strndup (str, i);
}

Here is the call graph for this function:

Here is the caller graph for this function: