Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/nis/nis_defaults.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
488 lines (439 sloc)
10.3 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Copyright (c) 1997, 1998, 2004 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, write to the Free | |
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
02111-1307 USA. */ | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <sys/types.h> | |
#include <rpc/rpc.h> | |
#include <rpcsvc/nis.h> | |
#define DEFAULT_TTL 43200 | |
/* | |
** Some functions for parsing the -D param and NIS_DEFAULTS Environ | |
*/ | |
static nis_name | |
searchgroup (char *str) | |
{ | |
char *cptr; | |
int i; | |
cptr = strstr (str, "group="); | |
if (cptr == NULL) | |
return NULL; | |
cptr += 6; /* points to the begin of the group string */ | |
i = 0; | |
while (cptr[i] != '\0' && cptr[i] != ':') | |
i++; | |
if (i == 0) /* only "group=" ? */ | |
return (nis_name) ""; | |
return strndup (cptr, i); | |
} | |
static nis_name | |
searchowner (char *str) | |
{ | |
char *cptr; | |
int i; | |
cptr = strstr (str, "owner="); | |
if (cptr == NULL) | |
return NULL; | |
cptr += 6; /* points to the begin of the owner string */ | |
i = 0; | |
while (cptr[i] != '\0' && cptr[i] != ':') | |
i++; | |
if (i == 0) /* only "owner=" ? */ | |
return strdup (""); | |
return strndup (cptr, i); | |
} | |
static uint32_t | |
searchttl (char *str) | |
{ | |
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; | |
} | |
static unsigned int | |
searchaccess (char *str, unsigned int access) | |
{ | |
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; | |
} | |
nis_name | |
__nis_default_owner (char *defaults) | |
{ | |
char default_owner[NIS_MAXNAMELEN + 1]; | |
char *cptr, *dptr; | |
strcpy (default_owner, nis_local_principal ()); | |
if (defaults != NULL) | |
{ | |
dptr = strstr (defaults, "owner="); | |
if (dptr != NULL) | |
{ | |
char *p = searchowner (defaults); | |
if (strlen (p) <= NIS_MAXNAMELEN) | |
strcpy (default_owner, p); | |
free (p); | |
} | |
} | |
else | |
{ | |
cptr = getenv ("NIS_DEFAULTS"); | |
if (cptr != NULL) | |
{ | |
dptr = strstr (cptr, "owner="); | |
if (dptr != NULL) | |
{ | |
char *p = searchowner (cptr); | |
if (strlen (p) <= NIS_MAXNAMELEN) | |
strcpy (default_owner, p); | |
free (p); | |
} | |
} | |
} | |
return strdup (default_owner); | |
} | |
libnsl_hidden_def (__nis_default_owner) | |
nis_name | |
__nis_default_group (char *defaults) | |
{ | |
char default_group[NIS_MAXNAMELEN + 1]; | |
char *cptr, *dptr; | |
strcpy (default_group, nis_local_group ()); | |
if (defaults != NULL) | |
{ | |
dptr = strstr (defaults, "group="); | |
if (dptr != NULL) | |
{ | |
char *p = searchgroup (defaults); | |
if (strlen (p) <= NIS_MAXNAMELEN) | |
strcpy (default_group, p); | |
free (p); | |
} | |
} | |
else | |
{ | |
cptr = getenv ("NIS_DEFAULTS"); | |
if (cptr != NULL) | |
{ | |
dptr = strstr (cptr, "group="); | |
if (dptr != NULL) | |
{ | |
char *p = searchgroup (cptr); | |
if (strlen (p) <= NIS_MAXNAMELEN) | |
strcpy (default_group, p); | |
free (p); | |
} | |
} | |
} | |
return strdup (default_group); | |
} | |
libnsl_hidden_def (__nis_default_group) | |
uint32_t | |
__nis_default_ttl (char *defaults) | |
{ | |
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); | |
} | |
/* Default access rights are ----rmcdr---r---, but we could change | |
this with the NIS_DEFAULTS variable. */ | |
unsigned int | |
__nis_default_access (char *param, unsigned int defaults) | |
{ | |
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 (getenv ("NIS_DEFAULTS"), result); | |
} | |
return result; | |
} | |
libnsl_hidden_def (__nis_default_access) |