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glibc/nis/ypclnt.c
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/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Library General Public License as | |
published by the Free Software Foundation; either version 2 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 | |
Library General Public License for more details. | |
You should have received a copy of the GNU Library General Public | |
License along with the GNU C Library; see the file COPYING.LIB. If not, | |
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
Boston, MA 02111-1307, USA. */ | |
#include <fcntl.h> | |
#include <string.h> | |
#include <unistd.h> | |
#include <rpc/rpc.h> | |
#include <rpcsvc/nis.h> | |
#include <rpcsvc/yp.h> | |
#include <rpcsvc/ypclnt.h> | |
#include <rpcsvc/ypupd.h> | |
#include <sys/uio.h> | |
#include <bits/libc-lock.h> | |
/* This should only be defined on systems with a BSD compatible ypbind */ | |
#ifndef BINDINGDIR | |
# define BINDINGDIR "/var/yp/binding" | |
#endif | |
struct dom_binding | |
{ | |
struct dom_binding *dom_pnext; | |
char dom_domain[YPMAXDOMAIN + 1]; | |
struct sockaddr_in dom_server_addr; | |
int dom_socket; | |
CLIENT *dom_client; | |
long int dom_vers; | |
}; | |
typedef struct dom_binding dom_binding; | |
static struct timeval RPCTIMEOUT = {25, 0}; | |
static struct timeval UDPTIMEOUT = {5, 0}; | |
static int const MAXTRIES = 5; | |
static char __ypdomainname[NIS_MAXNAMELEN + 1] = "\0"; | |
__libc_lock_define_initialized (static, ypbindlist_lock) | |
static dom_binding *__ypbindlist = NULL; | |
static int | |
__yp_bind (const char *domain, dom_binding **ypdb) | |
{ | |
struct sockaddr_in clnt_saddr; | |
struct ypbind_resp ypbr; | |
dom_binding *ysd = NULL; | |
int clnt_sock; | |
CLIENT *client; | |
int is_new = 0; | |
int try; | |
if ((domain == NULL) || (strlen (domain) == 0)) | |
return YPERR_BADARGS; | |
if (ypdb != NULL) | |
{ | |
ysd = *ypdb; | |
while (ysd != NULL) | |
{ | |
if (strcmp (domain, ysd->dom_domain) == 0) | |
break; | |
ysd = ysd->dom_pnext; | |
} | |
} | |
if (ysd == NULL) | |
{ | |
is_new = 1; | |
ysd = (dom_binding *) calloc (1, sizeof *ysd); | |
ysd->dom_socket = -1; | |
ysd->dom_vers = -1; | |
} | |
try = 0; | |
do | |
{ | |
try++; | |
if (try > MAXTRIES) | |
{ | |
if (is_new) | |
free (ysd); | |
return YPERR_YPBIND; | |
} | |
#if USE_BINDINGDIR | |
if (ysd->dom_vers < 1) | |
{ | |
char path[sizeof (BINDINGDIR) - 1 + strlen (domain) + 10]; | |
struct iovec vec[2]; | |
u_short port; | |
int fd; | |
sprintf (path, "%s/%s.%ld", BINDINGDIR, domain, YPBINDVERS); | |
fd = open (path, O_RDONLY); | |
if (fd >= 0) | |
{ | |
/* We have a binding file and could save a RPC call */ | |
vec[0].iov_base = &port; | |
vec[0].iov_len = sizeof (port); | |
vec[1].iov_base = &ypbr; | |
vec[1].iov_len = sizeof (ypbr); | |
if (readv (fd, vec, 2) == vec[0].iov_len + vec[1].iov_len) | |
{ | |
memset (&ysd->dom_server_addr, '\0', | |
sizeof ysd->dom_server_addr); | |
ysd->dom_server_addr.sin_family = AF_INET; | |
memcpy (&ysd->dom_server_addr.sin_port, | |
ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, | |
sizeof (ysd->dom_server_addr.sin_port)); | |
memcpy (&ysd->dom_server_addr.sin_addr.s_addr, | |
ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, | |
sizeof (ysd->dom_server_addr.sin_addr.s_addr)); | |
ysd->dom_vers = YPVERS; | |
strncpy (ysd->dom_domain, domain, YPMAXDOMAIN); | |
ysd->dom_domain[YPMAXDOMAIN] = '\0'; | |
} | |
close (fd); | |
} | |
} | |
#endif /* USE_BINDINGDIR */ | |
if (ysd->dom_vers == -1) | |
{ | |
if(ysd->dom_client) | |
{ | |
clnt_destroy(ysd->dom_client); | |
ysd->dom_client = NULL; | |
ysd->dom_socket = -1; | |
} | |
memset (&clnt_saddr, '\0', sizeof clnt_saddr); | |
clnt_saddr.sin_family = AF_INET; | |
clnt_saddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK); | |
clnt_sock = RPC_ANYSOCK; | |
client = clnttcp_create (&clnt_saddr, YPBINDPROG, YPBINDVERS, | |
&clnt_sock, 0, 0); | |
if (client == NULL) | |
{ | |
if (is_new) | |
free (ysd); | |
return YPERR_YPBIND; | |
} | |
/* | |
** Check the port number -- should be < IPPORT_RESERVED. | |
** If not, it's possible someone has registered a bogus | |
** ypbind with the portmapper and is trying to trick us. | |
*/ | |
if (ntohs (clnt_saddr.sin_port) >= IPPORT_RESERVED) | |
{ | |
clnt_destroy (client); | |
if (is_new) | |
free (ysd); | |
return YPERR_YPBIND; | |
} | |
if (clnt_call (client, YPBINDPROC_DOMAIN, | |
(xdrproc_t) xdr_domainname, (caddr_t) &domain, | |
(xdrproc_t) xdr_ypbind_resp, | |
(caddr_t) &ypbr, RPCTIMEOUT) != RPC_SUCCESS) | |
{ | |
clnt_destroy (client); | |
close (clnt_sock); | |
if (is_new) | |
free (ysd); | |
return YPERR_YPBIND; | |
} | |
clnt_destroy (client); | |
close (clnt_sock); | |
if (ypbr.ypbind_status != YPBIND_SUCC_VAL) | |
{ | |
fprintf (stderr, _("YPBINDPROC_DOMAIN: %s\n"), | |
ypbinderr_string (ypbr.ypbind_resp_u.ypbind_error)); | |
if (is_new) | |
free (ysd); | |
return YPERR_DOMAIN; | |
} | |
memset (&ysd->dom_server_addr, '\0', sizeof ysd->dom_server_addr); | |
ysd->dom_server_addr.sin_family = AF_INET; | |
memcpy (&ysd->dom_server_addr.sin_port, | |
ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_port, | |
sizeof (ysd->dom_server_addr.sin_port)); | |
memcpy (&ysd->dom_server_addr.sin_addr.s_addr, | |
ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, | |
sizeof (ysd->dom_server_addr.sin_addr.s_addr)); | |
ysd->dom_vers = YPVERS; | |
strncpy (ysd->dom_domain, domain, YPMAXDOMAIN); | |
ysd->dom_domain[YPMAXDOMAIN] = '\0'; | |
} | |
if (ysd->dom_client) | |
{ | |
clnt_destroy (ysd->dom_client); | |
close (ysd->dom_socket); | |
} | |
ysd->dom_socket = RPC_ANYSOCK; | |
ysd->dom_client = clntudp_create (&ysd->dom_server_addr, YPPROG, YPVERS, | |
UDPTIMEOUT, &ysd->dom_socket); | |
if (ysd->dom_client == NULL) | |
ysd->dom_vers = -1; | |
} | |
while (ysd->dom_client == NULL); | |
/* If the program exists, close the socket */ | |
if (fcntl (ysd->dom_socket, F_SETFD, 1) == -1) | |
perror (_("fcntl: F_SETFD")); | |
if (is_new && ypdb != NULL) | |
{ | |
ysd->dom_pnext = *ypdb; | |
*ypdb = ysd; | |
} | |
return YPERR_SUCCESS; | |
} | |
static void | |
__yp_unbind (dom_binding *ydb) | |
{ | |
clnt_destroy (ydb->dom_client); | |
ydb->dom_client = NULL; | |
ydb->dom_socket = -1; | |
} | |
static int | |
do_ypcall (const char *domain, u_long prog, xdrproc_t xargs, | |
caddr_t req, xdrproc_t xres, caddr_t resp) | |
{ | |
dom_binding *ydb = NULL; | |
bool_t use_ypbindlist = FALSE; | |
int try, result; | |
try = 0; | |
result = YPERR_YPERR; | |
__libc_lock_lock (ypbindlist_lock); | |
if (__ypbindlist != NULL) | |
{ | |
ydb = __ypbindlist; | |
while (ydb != NULL) | |
{ | |
if (strcmp (domain, ydb->dom_domain) == 0) | |
break; | |
ydb = ydb->dom_pnext; | |
} | |
if (ydb != NULL) | |
use_ypbindlist = TRUE; | |
else | |
__libc_lock_unlock (ypbindlist_lock); | |
} | |
else | |
__libc_lock_unlock (ypbindlist_lock); | |
while (try < MAXTRIES && result != RPC_SUCCESS) | |
{ | |
if (__yp_bind (domain, &ydb) != 0) | |
{ | |
if (use_ypbindlist) | |
__libc_lock_unlock (ypbindlist_lock); | |
return YPERR_DOMAIN; | |
} | |
result = clnt_call (ydb->dom_client, prog, | |
xargs, req, xres, resp, RPCTIMEOUT); | |
if (result != RPC_SUCCESS) | |
{ | |
clnt_perror (ydb->dom_client, "do_ypcall: clnt_call"); | |
ydb->dom_vers = -1; | |
if (!use_ypbindlist) | |
{ | |
__yp_unbind (ydb); | |
free (ydb); | |
ydb = NULL; | |
} | |
result = YPERR_RPC; | |
} | |
try++; | |
} | |
if (use_ypbindlist) | |
{ | |
__libc_lock_unlock (ypbindlist_lock); | |
use_ypbindlist = FALSE; | |
} | |
else | |
if (ydb != NULL) | |
{ | |
__yp_unbind (ydb); | |
free (ydb); | |
ydb = NULL; | |
} | |
return result; | |
} | |
int | |
yp_bind (const char *indomain) | |
{ | |
int status; | |
__libc_lock_lock (ypbindlist_lock); | |
status = __yp_bind (indomain, &__ypbindlist); | |
__libc_lock_unlock (ypbindlist_lock); | |
return status; | |
} | |
void | |
yp_unbind (const char *indomain) | |
{ | |
dom_binding *ydbptr, *ydbptr2; | |
__libc_lock_lock (ypbindlist_lock); | |
ydbptr2 = NULL; | |
ydbptr = __ypbindlist; | |
while (ydbptr != NULL) | |
{ | |
if (strcmp (ydbptr->dom_domain, indomain) == 0) | |
{ | |
dom_binding *work; | |
work = ydbptr; | |
if (ydbptr2 == NULL) | |
__ypbindlist = __ypbindlist->dom_pnext; | |
else | |
ydbptr2 = ydbptr->dom_pnext; | |
__yp_unbind (work); | |
free (work); | |
break; | |
} | |
ydbptr2 = ydbptr; | |
ydbptr = ydbptr->dom_pnext; | |
} | |
__libc_lock_unlock (ypbindlist_lock); | |
return; | |
} | |
__libc_lock_define_initialized (static, domainname_lock) | |
int | |
yp_get_default_domain (char **outdomain) | |
{ | |
int result = YPERR_SUCCESS;; | |
*outdomain = NULL; | |
__libc_lock_lock (domainname_lock); | |
if (__ypdomainname[0] == '\0') | |
{ | |
if (getdomainname (__ypdomainname, NIS_MAXNAMELEN)) | |
result = YPERR_NODOM; | |
else | |
*outdomain = __ypdomainname; | |
} | |
else | |
*outdomain = __ypdomainname; | |
__libc_lock_unlock (domainname_lock); | |
return result; | |
} | |
int | |
__yp_check (char **domain) | |
{ | |
char *unused; | |
if (__ypdomainname[0] == '\0') | |
if (yp_get_default_domain (&unused)) | |
return 0; | |
else if (strcmp (__ypdomainname, "(none)") == 0) | |
return 0; | |
if (domain) | |
*domain = __ypdomainname; | |
if (yp_bind (__ypdomainname) == 0) | |
return 1; | |
return 0; | |
} | |
int | |
yp_match (const char *indomain, const char *inmap, const char *inkey, | |
const int inkeylen, char **outval, int *outvallen) | |
{ | |
ypreq_key req; | |
ypresp_val resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap[0] == '\0' || | |
inkey == NULL || inkey[0] == '\0' || inkeylen <= 0) | |
return YPERR_BADARGS; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
req.key.keydat_val = (char *) inkey; | |
req.key.keydat_len = inkeylen; | |
*outval = NULL; | |
*outvallen = 0; | |
memset (&resp, '\0', sizeof (resp)); | |
result = do_ypcall (indomain, YPPROC_MATCH, (xdrproc_t) xdr_ypreq_key, | |
(caddr_t) & req, (xdrproc_t) xdr_ypresp_val, | |
(caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outvallen = resp.val.valdat_len; | |
*outval = malloc (*outvallen + 1); | |
memcpy (*outval, resp.val.valdat_val, *outvallen); | |
(*outval)[*outvallen] = '\0'; | |
xdr_free ((xdrproc_t) xdr_ypresp_val, (char *) &resp); | |
return YPERR_SUCCESS; | |
} | |
int | |
yp_first (const char *indomain, const char *inmap, char **outkey, | |
int *outkeylen, char **outval, int *outvallen) | |
{ | |
ypreq_nokey req; | |
ypresp_key_val resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap[0] == '\0') | |
return YPERR_BADARGS; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
*outkey = *outval = NULL; | |
*outkeylen = *outvallen = 0; | |
memset (&resp, '\0', sizeof (resp)); | |
result = do_ypcall (indomain, YPPROC_FIRST, (xdrproc_t) xdr_ypreq_nokey, | |
(caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val, | |
(caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outkeylen = resp.key.keydat_len; | |
*outkey = malloc (*outkeylen + 1); | |
memcpy (*outkey, resp.key.keydat_val, *outkeylen); | |
(*outkey)[*outkeylen] = '\0'; | |
*outvallen = resp.val.valdat_len; | |
*outval = malloc (*outvallen + 1); | |
memcpy (*outval, resp.val.valdat_val, *outvallen); | |
(*outval)[*outvallen] = '\0'; | |
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp); | |
return YPERR_SUCCESS; | |
} | |
int | |
yp_next (const char *indomain, const char *inmap, const char *inkey, | |
const int inkeylen, char **outkey, int *outkeylen, char **outval, | |
int *outvallen) | |
{ | |
ypreq_key req; | |
ypresp_key_val resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap[0] == '\0' || | |
inkeylen <= 0 || inkey == NULL || inkey[0] == '\0') | |
return YPERR_BADARGS; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
req.key.keydat_val = (char *) inkey; | |
req.key.keydat_len = inkeylen; | |
*outkey = *outval = NULL; | |
*outkeylen = *outvallen = 0; | |
memset (&resp, '\0', sizeof (resp)); | |
result = do_ypcall (indomain, YPPROC_NEXT, (xdrproc_t) xdr_ypreq_key, | |
(caddr_t) & req, (xdrproc_t) xdr_ypresp_key_val, | |
(caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outkeylen = resp.key.keydat_len; | |
*outkey = malloc (*outkeylen + 1); | |
memcpy (*outkey, resp.key.keydat_val, *outkeylen); | |
(*outkey)[*outkeylen] = '\0'; | |
*outvallen = resp.val.valdat_len; | |
*outval = malloc (*outvallen + 1); | |
memcpy (*outval, resp.val.valdat_val, *outvallen); | |
(*outval)[*outvallen] = '\0'; | |
xdr_free ((xdrproc_t) xdr_ypresp_key_val, (char *) &resp); | |
return YPERR_SUCCESS; | |
} | |
int | |
yp_master (const char *indomain, const char *inmap, char **outname) | |
{ | |
ypreq_nokey req; | |
ypresp_master resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap[0] == '\0') | |
return YPERR_BADARGS; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
memset (&resp, '\0', sizeof (ypresp_master)); | |
result = do_ypcall (indomain, YPPROC_MASTER, (xdrproc_t) xdr_ypreq_nokey, | |
(caddr_t) & req, (xdrproc_t) xdr_ypresp_master, (caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outname = strdup (resp.peer); | |
xdr_free ((xdrproc_t) xdr_ypresp_master, (char *) &resp); | |
return YPERR_SUCCESS; | |
} | |
int | |
yp_order (const char *indomain, const char *inmap, unsigned int *outorder) | |
{ | |
struct ypreq_nokey req; | |
struct ypresp_order resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap == '\0') | |
return YPERR_BADARGS; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
memset (&resp, '\0', sizeof (resp)); | |
result = do_ypcall (indomain, YPPROC_ORDER, (xdrproc_t) xdr_ypreq_nokey, | |
(caddr_t) & req, (xdrproc_t) xdr_ypresp_order, (caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outorder = resp.ordernum; | |
xdr_free ((xdrproc_t) xdr_ypresp_order, (char *) &resp); | |
return YPERR_SUCCESS; | |
} | |
static void *ypall_data; | |
static int (*ypall_foreach) __P ((int status, char *key, int keylen, | |
char *val, int vallen, char *data)); | |
static bool_t | |
__xdr_ypresp_all (XDR * xdrs, u_long * objp) | |
{ | |
while (1) | |
{ | |
struct ypresp_all resp; | |
memset (&resp, '\0', sizeof (struct ypresp_all)); | |
if (!xdr_ypresp_all (xdrs, &resp)) | |
{ | |
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
*objp = YP_YPERR; | |
return (FALSE); | |
} | |
if (resp.more == 0) | |
{ | |
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
*objp = YP_NOMORE; | |
return (FALSE); | |
} | |
switch (resp.ypresp_all_u.val.stat) | |
{ | |
case YP_TRUE: | |
{ | |
char key[resp.ypresp_all_u.val.key.keydat_len + 1]; | |
char val[resp.ypresp_all_u.val.val.valdat_len + 1]; | |
int keylen = resp.ypresp_all_u.val.key.keydat_len; | |
int vallen = resp.ypresp_all_u.val.val.valdat_len; | |
*objp = YP_TRUE; | |
memcpy (key, resp.ypresp_all_u.val.key.keydat_val, keylen); | |
key[keylen] = '\0'; | |
memcpy (val, resp.ypresp_all_u.val.val.valdat_val, vallen); | |
val[vallen] = '\0'; | |
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
if ((*ypall_foreach) (*objp, key, keylen, | |
val, vallen, ypall_data)) | |
return TRUE; | |
} | |
break; | |
case YP_NOMORE: | |
*objp = YP_NOMORE; | |
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
return TRUE; | |
break; | |
default: | |
*objp = resp.ypresp_all_u.val.stat; | |
xdr_free ((xdrproc_t) xdr_ypresp_all, (char *) &resp); | |
return TRUE; | |
} | |
} | |
} | |
int | |
yp_all (const char *indomain, const char *inmap, | |
const struct ypall_callback *incallback) | |
{ | |
struct ypreq_nokey req; | |
dom_binding *ydb = NULL; | |
int try, result; | |
struct sockaddr_in clnt_sin; | |
CLIENT *clnt; | |
unsigned long status; | |
int clnt_sock; | |
if (indomain == NULL || indomain[0] == '\0' || | |
inmap == NULL || inmap == '\0') | |
return YPERR_BADARGS; | |
try = 0; | |
result = YPERR_YPERR; | |
while (try < MAXTRIES && result != RPC_SUCCESS) | |
{ | |
if (__yp_bind (indomain, &ydb) != 0) | |
{ | |
return YPERR_DOMAIN; | |
} | |
/* YPPROC_ALL get its own TCP channel to ypserv */ | |
clnt_sock = RPC_ANYSOCK; | |
clnt_sin = ydb->dom_server_addr; | |
clnt_sin.sin_port = 0; | |
clnt = clnttcp_create (&clnt_sin, YPPROG, YPVERS, &clnt_sock, 0, 0); | |
if (clnt == NULL) | |
return YPERR_PMAP; | |
req.domain = (char *) indomain; | |
req.map = (char *) inmap; | |
ypall_foreach = incallback->foreach; | |
ypall_data = (void *) incallback->data; | |
result = clnt_call (clnt, YPPROC_ALL, (xdrproc_t) xdr_ypreq_nokey, | |
(caddr_t) &req, (xdrproc_t) __xdr_ypresp_all, | |
(caddr_t) &status, RPCTIMEOUT); | |
clnt_destroy (clnt); | |
close (clnt_sock); | |
if (result != RPC_SUCCESS) | |
{ | |
clnt_perror (ydb->dom_client, "yp_all: clnt_call"); | |
__yp_unbind (ydb); | |
free (ydb); | |
result = YPERR_RPC; | |
} | |
else | |
result = YPERR_SUCCESS; | |
if (status != YP_NOMORE) | |
return ypprot_err (status); | |
try++; | |
} | |
return result; | |
} | |
int | |
yp_maplist (const char *indomain, struct ypmaplist **outmaplist) | |
{ | |
struct ypresp_maplist resp; | |
int result; | |
if (indomain == NULL || indomain[0] == '\0') | |
return YPERR_BADARGS; | |
memset (&resp, '\0', sizeof (resp)); | |
result = do_ypcall (indomain, YPPROC_MAPLIST, (xdrproc_t) xdr_domainname, | |
(caddr_t) & indomain, (xdrproc_t) xdr_ypresp_maplist, (caddr_t) & resp); | |
if (result != RPC_SUCCESS) | |
return result; | |
if (resp.stat != YP_TRUE) | |
return ypprot_err (resp.stat); | |
*outmaplist = resp.maps; | |
/* We give the list not free, this will be done by ypserv | |
xdr_free((xdrproc_t)xdr_ypresp_maplist, (char *)&resp); */ | |
return YPERR_SUCCESS; | |
} | |
const char * | |
yperr_string (const int error) | |
{ | |
switch (error) | |
{ | |
case YPERR_SUCCESS: | |
return _("Success"); | |
case YPERR_BADARGS: | |
return _("Request arguments bad"); | |
case YPERR_RPC: | |
return _("RPC failure on NIS operation"); | |
case YPERR_DOMAIN: | |
return _("Can't bind to server which serves this domain"); | |
case YPERR_MAP: | |
return _("No such map in server's domain"); | |
case YPERR_KEY: | |
return _("No such key in map"); | |
case YPERR_YPERR: | |
return _("Internal NIS error"); | |
case YPERR_RESRC: | |
return _("Local resource allocation failure"); | |
case YPERR_NOMORE: | |
return _("No more records in map database"); | |
case YPERR_PMAP: | |
return _("Can't communicate with portmapper"); | |
case YPERR_YPBIND: | |
return _("Can't communicate with ypbind"); | |
case YPERR_YPSERV: | |
return _("Can't communicate with ypserv"); | |
case YPERR_NODOM: | |
return _("Local domain name not set"); | |
case YPERR_BADDB: | |
return _("NIS map database is bad"); | |
case YPERR_VERS: | |
return _("NIS client/server version mismatch - can't supply service"); | |
case YPERR_ACCESS: | |
return _("Permission denied"); | |
case YPERR_BUSY: | |
return _("Database is busy"); | |
} | |
return _("Unknown NIS error code"); | |
} | |
int | |
ypprot_err (const int code) | |
{ | |
switch (code) | |
{ | |
case YP_TRUE: | |
return YPERR_SUCCESS; | |
case YP_NOMORE: | |
return YPERR_NOMORE; | |
case YP_FALSE: | |
return YPERR_YPERR; | |
case YP_NOMAP: | |
return YPERR_MAP; | |
case YP_NODOM: | |
return YPERR_DOMAIN; | |
case YP_NOKEY: | |
return YPERR_KEY; | |
case YP_BADOP: | |
return YPERR_YPERR; | |
case YP_BADDB: | |
return YPERR_BADDB; | |
case YP_YPERR: | |
return YPERR_YPERR; | |
case YP_BADARGS: | |
return YPERR_BADARGS; | |
case YP_VERS: | |
return YPERR_VERS; | |
} | |
return YPERR_YPERR; | |
} | |
const char * | |
ypbinderr_string (const int error) | |
{ | |
switch (error) | |
{ | |
case 0: | |
return _("Success"); | |
case YPBIND_ERR_ERR: | |
return _("Internal ypbind error"); | |
case YPBIND_ERR_NOSERV: | |
return _("Domain not bound"); | |
case YPBIND_ERR_RESC: | |
return _("System resource allocation failure"); | |
default: | |
return _("Unknown ypbind error"); | |
} | |
} | |
#define WINDOW 60 | |
int | |
yp_update (char *domain, char *map, unsigned ypop, | |
char *key, int keylen, char *data, int datalen) | |
{ | |
union | |
{ | |
ypupdate_args update_args; | |
ypdelete_args delete_args; | |
} | |
args; | |
xdrproc_t xdr_argument; | |
unsigned res = 0; | |
CLIENT *clnt; | |
char *master; | |
struct sockaddr saddr; | |
char servername[MAXNETNAMELEN + 1]; | |
int r; | |
if (!domain || !map || !key || (ypop != YPOP_DELETE && !data)) | |
return YPERR_BADARGS; | |
args.update_args.mapname = map; | |
args.update_args.key.yp_buf_len = keylen; | |
args.update_args.key.yp_buf_val = key; | |
args.update_args.datum.yp_buf_len = datalen; | |
args.update_args.datum.yp_buf_val = data; | |
if ((r = yp_master (domain, map, &master)) != 0) | |
return r; | |
if (!host2netname (servername, master, domain)) | |
{ | |
fputs (_("yp_update: cannot convert host to netname\n"), stderr); | |
return YPERR_YPERR; | |
} | |
if ((clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp")) == NULL) | |
{ | |
clnt_pcreateerror ("yp_update: clnt_create"); | |
return YPERR_RPC; | |
} | |
if (!clnt_control (clnt, CLGET_SERVER_ADDR, (char *) &saddr)) | |
{ | |
fputs (_("yp_update: cannot get server address\n"), stderr); | |
return YPERR_RPC; | |
} | |
switch (ypop) | |
{ | |
case YPOP_CHANGE: | |
case YPOP_INSERT: | |
case YPOP_STORE: | |
xdr_argument = (xdrproc_t) xdr_ypupdate_args; | |
break; | |
case YPOP_DELETE: | |
xdr_argument = (xdrproc_t) xdr_ypdelete_args; | |
break; | |
default: | |
return YPERR_BADARGS; | |
break; | |
} | |
clnt->cl_auth = authdes_create (servername, WINDOW, &saddr, NULL); | |
if (clnt->cl_auth == NULL) | |
clnt->cl_auth = authunix_create_default (); | |
again: | |
r = clnt_call (clnt, ypop, xdr_argument, (caddr_t) &args, | |
(xdrproc_t) xdr_u_int, (caddr_t) &res, RPCTIMEOUT); | |
if (r == RPC_AUTHERROR) | |
{ | |
if (clnt->cl_auth->ah_cred.oa_flavor == AUTH_DES) | |
{ | |
clnt->cl_auth = authunix_create_default (); | |
goto again; | |
} | |
else | |
return YPERR_ACCESS; | |
} | |
if (r != RPC_SUCCESS) | |
{ | |
clnt_perror (clnt, "yp_update: clnt_call"); | |
return YPERR_RPC; | |
} | |
return res; | |
} |