diff options
Diffstat (limited to 'nis/nis_call.c')
| -rw-r--r-- | nis/nis_call.c | 566 |
1 files changed, 402 insertions, 164 deletions
diff --git a/nis/nis_call.c b/nis/nis_call.c index 14041a160c..c571e8f367 100644 --- a/nis/nis_call.c +++ b/nis/nis_call.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1997, 1998, 2001, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997. @@ -25,11 +26,15 @@ #include <rpc/auth.h> #include <rpcsvc/nis.h> #include <sys/socket.h> +#include <sys/stat.h> +#include <unistd.h> #include <netinet/in.h> #include <arpa/inet.h> +#include <bits/libc-lock.h> #include "nis_xdr.h" #include "nis_intern.h" +#include <libnsl.h> static const struct timeval RPCTIMEOUT = {10, 0}; static const struct timeval UDPTIMEOUT = {5, 0}; @@ -37,28 +42,19 @@ static const struct timeval UDPTIMEOUT = {5, 0}; extern u_short __pmap_getnisport (struct sockaddr_in *address, u_long program, u_long version, u_int protocol); -unsigned long +unsigned long int inetstr2int (const char *str) { - char buffer[strlen (str) + 3]; - size_t buflen; - size_t i, j; - - buflen = stpcpy (buffer, str) - buffer; - - j = 0; - for (i = 0; i < buflen; ++i) - if (buffer[i] == '.') + size_t j = 0; + for (size_t i = 0; str[i] != '\0'; ++i) + if (str[i] == '.' && __builtin_expect (++j == 4, 0)) { - ++j; - if (j == 4) - { - buffer[i] = '\0'; - break; - } + char buffer[i + 1]; + buffer[i] = '\0'; + return inet_addr (memcpy (buffer, str, i)); } - return inet_addr (buffer); + return inet_addr (str); } void @@ -76,8 +72,6 @@ libnsl_hidden_def (__nisbind_destroy) nis_error __nisbind_next (dir_binding *bind) { - u_int j; - if (bind->clnt != NULL) { if (bind->use_auth) @@ -89,7 +83,7 @@ __nisbind_next (dir_binding *bind) if (bind->trys >= bind->server_len) return NIS_FAIL; - for (j = bind->current_ep + 1; + for (u_int j = bind->current_ep + 1; j < bind->server_val[bind->server_used].ep.ep_len; ++j) if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, "inet") == 0) @@ -104,7 +98,7 @@ __nisbind_next (dir_binding *bind) if (bind->server_used >= bind->server_len) bind->server_used = 0; - for (j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j) + for (u_int j = 0; j < bind->server_val[bind->server_used].ep.ep_len; ++j) if (strcmp (bind->server_val[bind->server_used].ep.ep_val[j].family, "inet") == 0) if (bind->server_val[bind->server_used].ep.ep_val[j].proto[0] == '-') @@ -117,10 +111,79 @@ __nisbind_next (dir_binding *bind) } libnsl_hidden_def (__nisbind_next) +static struct ckey_cache_entry +{ + struct in_addr inaddr; + in_port_t port; + unsigned int protocol; + des_block ckey; +} *ckey_cache; +static size_t ckey_cache_size; +static size_t ckey_cache_allocated; +static pid_t ckey_cache_pid; +static uid_t ckey_cache_euid; +__libc_lock_define_initialized (static, ckey_cache_lock) + +static bool_t +get_ckey (des_block *ckey, struct sockaddr_in *addr, unsigned int protocol) +{ + size_t i; + pid_t pid = getpid (); + uid_t euid = geteuid (); + bool_t ret = FALSE; + + __libc_lock_lock (ckey_cache_lock); + + if (ckey_cache_pid != pid || ckey_cache_euid != euid) + { + ckey_cache_size = 0; + ckey_cache_pid = pid; + ckey_cache_euid = euid; + } + + for (i = 0; i < ckey_cache_size; ++i) + if (ckey_cache[i].port == addr->sin_port + && ckey_cache[i].protocol == protocol + && memcmp (&ckey_cache[i].inaddr, &addr->sin_addr, + sizeof (addr->sin_addr)) == 0) + { + *ckey = ckey_cache[i].ckey; + ret = TRUE; + break; + } + + if (!ret && key_gendes (ckey) >= 0) + { + ret = TRUE; + /* Don't grow the cache indefinitely. */ + if (ckey_cache_size == 256) + ckey_cache_size = 0; + if (ckey_cache_size == ckey_cache_allocated) + { + size_t size = ckey_cache_allocated ? ckey_cache_allocated * 2 : 16; + struct ckey_cache_entry *new_cache + = realloc (ckey_cache, size * sizeof (*ckey_cache)); + if (new_cache != NULL) + { + ckey_cache = new_cache; + ckey_cache_allocated = size; + } + } + ckey_cache[ckey_cache_size].inaddr = addr->sin_addr; + ckey_cache[ckey_cache_size].port = addr->sin_port; + ckey_cache[ckey_cache_size].protocol = protocol; + ckey_cache[ckey_cache_size++].ckey = *ckey; + } + + __libc_lock_unlock (ckey_cache_lock); + return ret; +} + nis_error __nisbind_connect (dir_binding *dbp) { nis_server *serv; + u_short port; if (dbp == NULL) return NIS_FAIL; @@ -133,14 +196,17 @@ __nisbind_connect (dir_binding *dbp) dbp->addr.sin_addr.s_addr = inetstr2int (serv->ep.ep_val[dbp->current_ep].uaddr); - if (dbp->addr.sin_addr.s_addr == 0) + if (dbp->addr.sin_addr.s_addr == INADDR_NONE) return NIS_FAIL; /* Check, if the host is online and rpc.nisd is running. Much faster then the clnt*_create functions: */ - if (__pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION, IPPROTO_UDP) == 0) + port = __pmap_getnisport (&dbp->addr, NIS_PROG, NIS_VERSION, + dbp->use_udp ? IPPROTO_UDP : IPPROTO_TCP); + if (port == 0) return NIS_RPCERROR; + dbp->addr.sin_port = htons (port); dbp->socket = RPC_ANYSOCK; if (dbp->use_udp) dbp->clnt = clntudp_create (&dbp->addr, NIS_PROG, NIS_VERSION, @@ -163,23 +229,21 @@ __nisbind_connect (dir_binding *dbp) { char netname[MAXNETNAMELEN + 1]; char *p; + des_block ckey; - p = stpcpy (netname, "unix."); + p = stpcpy (netname, "unix@"); strncpy (p, serv->name, MAXNETNAMELEN - 5); netname[MAXNETNAMELEN] = '\0'; - // XXX What is this supposed to do? If we really want to replace - // XXX the first dot, then we might as well use unix@ as the - // XXX prefix string. --drepper - p = strchr (netname, '.'); - *p = '@'; - dbp->clnt->cl_auth = - authdes_pk_create (netname, &serv->pkey, 300, NULL, NULL); + dbp->clnt->cl_auth = NULL; + if (get_ckey (&ckey, &dbp->addr, + dbp->use_udp ? IPPROTO_UDP : IPPROTO_TCP)) + dbp->clnt->cl_auth = + authdes_pk_create (netname, &serv->pkey, 300, NULL, &ckey); if (!dbp->clnt->cl_auth) dbp->clnt->cl_auth = authunix_create_default (); } else dbp->clnt->cl_auth = authunix_create_default (); - dbp->use_auth = TRUE; } return NIS_SUCCESS; @@ -188,7 +252,8 @@ libnsl_hidden_def (__nisbind_connect) nis_error __nisbind_create (dir_binding *dbp, const nis_server *serv_val, - unsigned int serv_len, unsigned int flags) + unsigned int serv_len, unsigned int server_used, + unsigned int current_ep, unsigned int flags) { dbp->clnt = NULL; @@ -214,10 +279,15 @@ __nisbind_create (dir_binding *dbp, const nis_server *serv_val, dbp->trys = 1; dbp->class = -1; - if (__nis_findfastest (dbp) < 1) + if (server_used == ~0) { - __nisbind_destroy (dbp); - return NIS_NAMEUNREACHABLE; + if (__nis_findfastest (dbp) < 1) + return NIS_NAMEUNREACHABLE; + } + else + { + dbp->server_used = server_used; + dbp->current_ep = current_ep; } return NIS_SUCCESS; @@ -269,6 +339,7 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req, || ((nis_result *)resp)->status == NIS_NOSUCHNAME || ((nis_result *)resp)->status == NIS_NOT_ME) { + next_server: if (__nisbind_next (dbp) == NIS_SUCCESS) { while (__nisbind_connect (dbp) != NIS_SUCCESS) @@ -286,38 +357,14 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req, if (((fd_result *)resp)->status == NIS_SYSTEMERROR || ((fd_result *)resp)->status == NIS_NOSUCHNAME || ((fd_result *)resp)->status == NIS_NOT_ME) - { - if (__nisbind_next (dbp) == NIS_SUCCESS) - { - while (__nisbind_connect (dbp) != NIS_SUCCESS) - { - if (__nisbind_next (dbp) != NIS_SUCCESS) - return NIS_SUCCESS; - } - } - else - break; /* No more servers to search in */ - goto again; - } + goto next_server; break; case NIS_DUMPLOG: /* log_result */ case NIS_DUMP: if (((log_result *)resp)->lr_status == NIS_SYSTEMERROR || ((log_result *)resp)->lr_status == NIS_NOSUCHNAME || ((log_result *)resp)->lr_status == NIS_NOT_ME) - { - if (__nisbind_next (dbp) == NIS_SUCCESS) - { - while (__nisbind_connect (dbp) != NIS_SUCCESS) - { - if (__nisbind_next (dbp) != NIS_SUCCESS) - return NIS_SUCCESS; - } - } - else - break; /* No more servers to search in */ - goto again; - } + goto next_server; break; default: break; @@ -329,6 +376,8 @@ __do_niscall3 (dir_binding *dbp, u_long prog, xdrproc_t xargs, caddr_t req, return retcode; } +libnsl_hidden_def (__do_niscall3) + nis_error __do_niscall2 (const nis_server *server, u_int server_len, u_long prog, @@ -341,7 +390,7 @@ __do_niscall2 (const nis_server *server, u_int server_len, u_long prog, if (flags & MASTER_ONLY) server_len = 1; - status = __nisbind_create (&dbp, server, server_len, flags); + status = __nisbind_create (&dbp, server, server_len, ~0, ~0, flags); if (status != NIS_SUCCESS) return status; @@ -373,14 +422,18 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) case HIGHER_NAME: { /* We need data from a parent domain */ directory_obj *obj; - char ndomain [strlen (name) + 3]; - - nis_domain_of_r (dir->do_name, ndomain, sizeof (ndomain)); + const char *ndomain = __nis_domain_of (dir->do_name); /* The root server of our domain is a replica of the parent domain ! (Now I understand why a root server must be a replica of the parent domain) */ fd_res = __nis_finddirectory (dir, ndomain); + if (fd_res == NULL) + { + nis_free_directory (dir); + *status = NIS_NOMEMORY; + return NULL; + } *status = fd_res->status; if (fd_res->status != NIS_SUCCESS) { @@ -388,36 +441,33 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) __free_fdresult (fd_res); return dir; } + nis_free_directory (dir); obj = calloc (1, sizeof (directory_obj)); + if (obj == NULL) + { + __free_fdresult (fd_res); + *status = NIS_NOMEMORY; + return NULL; + } xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val, fd_res->dir_data.dir_data_len, XDR_DECODE); _xdr_directory_obj (&xdrs, obj); xdr_destroy (&xdrs); __free_fdresult (fd_res); - if (obj != NULL) - { - /* We have found a NIS+ server serving ndomain, now - let us search for "name" */ - nis_free_directory (dir); - return rec_dirsearch (name, obj, status); - } - else - { - /* Ups, very bad. Are we already the root server ? */ - nis_free_directory (dir); - return NULL; - } + + /* We have found a NIS+ server serving ndomain, now + let us search for "name" */ + return rec_dirsearch (name, obj, status); } - break; + break; case LOWER_NAME: { directory_obj *obj; size_t namelen = strlen (name); char leaf[namelen + 3]; char domain[namelen + 3]; - char ndomain[namelen + 3]; + const char *ndomain; char *cp; - u_int run = 0; strcpy (domain, name); @@ -429,23 +479,22 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) return NULL; } nis_leaf_of_r (domain, leaf, sizeof (leaf)); - nis_domain_of_r (domain, ndomain, sizeof (ndomain)); - strcpy (domain, ndomain); - ++run; + ndomain = __nis_domain_of (domain); + memmove (domain, ndomain, strlen (ndomain) + 1); } while (nis_dir_cmp (domain, dir->do_name) != SAME_NAME); - if (run == 1) - { - /* We have found the directory above. Use it. */ - return dir; - } - - cp = strchr (leaf, '\0'); + cp = rawmemchr (leaf, '\0'); *cp++ = '.'; strcpy (cp, domain); fd_res = __nis_finddirectory (dir, leaf); + if (fd_res == NULL) + { + nis_free_directory (dir); + *status = NIS_NOMEMORY; + return NULL; + } *status = fd_res->status; if (fd_res->status != NIS_SUCCESS) { @@ -453,21 +502,24 @@ rec_dirsearch (const_nis_name name, directory_obj *dir, nis_error *status) __free_fdresult (fd_res); return dir; } - obj = calloc(1, sizeof(directory_obj)); - xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, - fd_res->dir_data.dir_data_len, XDR_DECODE); - _xdr_directory_obj(&xdrs, obj); - xdr_destroy(&xdrs); - __free_fdresult (fd_res); - if (obj != NULL) + nis_free_directory (dir); + obj = calloc (1, sizeof(directory_obj)); + if (obj == NULL) { - /* We have found a NIS+ server serving ndomain, now - let us search for "name" */ - nis_free_directory (dir); - return rec_dirsearch (name, obj, status); + __free_fdresult (fd_res); + *status = NIS_NOMEMORY; + return NULL; } + xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val, + fd_res->dir_data.dir_data_len, XDR_DECODE); + _xdr_directory_obj (&xdrs, obj); + xdr_destroy (&xdrs); + __free_fdresult (fd_res); + /* We have found a NIS+ server serving ndomain, now + let us search for "name" */ + return rec_dirsearch (name, obj, status); } - break; + break; case BAD_NAME: nis_free_directory (dir); *status = NIS_BADNAME; @@ -486,24 +538,26 @@ first_shoot (const_nis_name name, directory_obj *dir) directory_obj *obj = NULL; fd_result *fd_res; XDR xdrs; - char domain[strlen (name) + 3]; if (nis_dir_cmp (name, dir->do_name) == SAME_NAME) return dir; - nis_domain_of_r (name, domain, sizeof (domain)); - - if (nis_dir_cmp (domain, dir->do_name) == SAME_NAME) - return dir; - - fd_res = __nis_finddirectory (dir, domain); + fd_res = __nis_finddirectory (dir, name); + if (fd_res == NULL) + return NULL; if (fd_res->status == NIS_SUCCESS && (obj = calloc (1, sizeof (directory_obj))) != NULL) { - xdrmem_create(&xdrs, fd_res->dir_data.dir_data_val, - fd_res->dir_data.dir_data_len, XDR_DECODE); + xdrmem_create (&xdrs, fd_res->dir_data.dir_data_val, + fd_res->dir_data.dir_data_len, XDR_DECODE); _xdr_directory_obj (&xdrs, obj); xdr_destroy (&xdrs); + + if (strcmp (dir->do_name, obj->do_name) != 0) + { + nis_free_directory (obj); + obj = NULL; + } } __free_fdresult (fd_res); @@ -514,87 +568,271 @@ first_shoot (const_nis_name name, directory_obj *dir) return obj; } +static struct nis_server_cache +{ + int search_parent; + int uses; + unsigned int size; + unsigned int server_used; + unsigned int current_ep; + time_t expires; + char name[]; +} *nis_server_cache[16]; +static time_t nis_cold_start_mtime; +__libc_lock_define_initialized (static, nis_server_cache_lock) + +static directory_obj * +nis_server_cache_search (const_nis_name name, int search_parent, + unsigned int *server_used, unsigned int *current_ep, + struct timeval *now) +{ + directory_obj *ret = NULL; + int i; + char *addr; + XDR xdrs; + struct stat64 st; + + if (stat64 ("/var/nis/NIS_COLD_START", &st) < 0) + st.st_mtime = nis_cold_start_mtime + 1; + + __libc_lock_lock (nis_server_cache_lock); + + for (i = 0; i < 16; ++i) + if (nis_server_cache[i] == NULL) + continue; + else if (st.st_mtime != nis_cold_start_mtime + || now->tv_sec > nis_server_cache[i]->expires) + { + free (nis_server_cache[i]); + nis_server_cache[i] = NULL; + } + else if (nis_server_cache[i]->search_parent == search_parent + && strcmp (nis_server_cache[i]->name, name) == 0) + { + ret = calloc (1, sizeof (directory_obj)); + if (ret == NULL) + break; + + addr = rawmemchr (nis_server_cache[i]->name, '\0') + 8; + addr = (char *) ((uintptr_t) addr & ~(uintptr_t) 7); + xdrmem_create (&xdrs, addr, nis_server_cache[i]->size, XDR_DECODE); + if (!_xdr_directory_obj (&xdrs, ret)) + { + xdr_destroy (&xdrs); + free (ret); + ret = NULL; + free (nis_server_cache[i]); + nis_server_cache[i] = NULL; + break; + } + xdr_destroy (&xdrs); + *server_used = nis_server_cache[i]->server_used; + *current_ep = nis_server_cache[i]->current_ep; + break; + } + + nis_cold_start_mtime = st.st_mtime; + + __libc_lock_unlock (nis_server_cache_lock); + return ret; +} + +static void +nis_server_cache_add (const_nis_name name, int search_parent, + directory_obj *dir, unsigned int server_used, + unsigned int current_ep, struct timeval *now) +{ + struct nis_server_cache **loc; + struct nis_server_cache *new; + struct nis_server_cache *old; + int i; + char *addr; + unsigned int size; + XDR xdrs; + + if (dir == NULL) + return; + + size = xdr_sizeof ((xdrproc_t) _xdr_directory_obj, (char *) dir); + new = calloc (1, sizeof (*new) + strlen (name) + 8 + size); + if (new == NULL) + return; + new->search_parent = search_parent; + new->uses = 1; + new->expires = now->tv_sec + dir->do_ttl; + new->size = size; + new->server_used = server_used; + new->current_ep = current_ep; + addr = stpcpy (new->name, name) + 8; + addr = (char *) ((uintptr_t) addr & ~(uintptr_t) 7); + + xdrmem_create(&xdrs, addr, size, XDR_ENCODE); + if (!_xdr_directory_obj (&xdrs, dir)) + { + xdr_destroy (&xdrs); + free (new); + return; + } + xdr_destroy (&xdrs); + + __libc_lock_lock (nis_server_cache_lock); + + /* Choose which entry should be evicted from the cache. */ + loc = &nis_server_cache[0]; + if (*loc != NULL) + for (i = 1; i < 16; ++i) + if (nis_server_cache[i] == NULL) + { + loc = &nis_server_cache[i]; + break; + } + else if ((*loc)->uses > nis_server_cache[i]->uses + || ((*loc)->uses == nis_server_cache[i]->uses + && (*loc)->expires > nis_server_cache[i]->expires)) + loc = &nis_server_cache[i]; + old = *loc; + *loc = new; + + __libc_lock_unlock (nis_server_cache_lock); + free (old); +} + nis_error -__nisfind_server (const_nis_name name, directory_obj **dir) +__nisfind_server (const_nis_name name, int search_parent, + directory_obj **dir, dir_binding *dbp, unsigned int flags) { + nis_error result = NIS_SUCCESS; + nis_error status; + directory_obj *obj; + struct timeval now; + unsigned int server_used = ~0; + unsigned int current_ep = ~0; + if (name == NULL) return NIS_BADNAME; -#if 0 - /* Search in local cache. In the moment, we ignore the fastest server */ - if (!(flags & NO_CACHE)) - dir = __nis_cache_search (name, flags, &cinfo); -#endif + if (*dir != NULL) + return NIS_SUCCESS; - if (*dir == NULL) - { - nis_error status; - directory_obj *obj; + (void) gettimeofday (&now, NULL); - *dir = readColdStartFile (); - if (*dir == NULL) /* No /var/nis/NIS_COLD_START->no NIS+ installed */ - return NIS_UNAVAIL; + if ((flags & NO_CACHE) == 0) + *dir = nis_server_cache_search (name, search_parent, &server_used, + ¤t_ep, &now); + if (*dir != NULL) + { + unsigned int server_len = (*dir)->do_servers.do_servers_len; + if (flags & MASTER_ONLY) + { + server_len = 1; + if (server_used != 0) + { + server_used = ~0; + current_ep = ~0; + } + } + result = __nisbind_create (dbp, (*dir)->do_servers.do_servers_val, + server_len, server_used, current_ep, flags); + if (result != NIS_SUCCESS) + { + nis_free_directory (*dir); + *dir = NULL; + } + return result; + } - /* Try at first, if servers in "dir" know our object */ - obj = first_shoot (name, *dir); + *dir = readColdStartFile (); + if (*dir == NULL) + /* No /var/nis/NIS_COLD_START->no NIS+ installed. */ + return NIS_UNAVAIL; + + /* Try at first, if servers in "dir" know our object */ + const char *search_name = name; + if (search_parent) + search_name = __nis_domain_of (name); + obj = first_shoot (search_name, *dir); + if (obj == NULL) + { + obj = rec_dirsearch (search_name, *dir, &status); if (obj == NULL) + result = status; + } + + if (result == NIS_SUCCESS) + { + unsigned int server_len = obj->do_servers.do_servers_len; + if (flags & MASTER_ONLY) + server_len = 1; + result = __nisbind_create (dbp, obj->do_servers.do_servers_val, + server_len, ~0, ~0, flags); + if (result == NIS_SUCCESS) { - *dir = rec_dirsearch (name, *dir, &status); - if (*dir == NULL) - return status; + if ((flags & MASTER_ONLY) == 0 + || obj->do_servers.do_servers_len == 1) + { + server_used = dbp->server_used; + current_ep = dbp->current_ep; + } + if ((flags & NO_CACHE) == 0) + nis_server_cache_add (name, search_parent, obj, + server_used, current_ep, &now); } else - *dir = obj; + { + nis_free_directory (obj); + obj = NULL; + } } - return NIS_SUCCESS; + *dir = obj; + + return result; } + +nis_error +__prepare_niscall (const_nis_name name, directory_obj **dirp, + dir_binding *bptrp, unsigned int flags) +{ + nis_error retcode = __nisfind_server (name, 1, dirp, bptrp, flags); + if (__builtin_expect (retcode != NIS_SUCCESS, 0)) + return retcode; + + do + if (__nisbind_connect (bptrp) == NIS_SUCCESS) + return NIS_SUCCESS; + while (__nisbind_next (bptrp) == NIS_SUCCESS); + + __nisbind_destroy (bptrp); + memset (bptrp, '\0', sizeof (*bptrp)); + + retcode = NIS_NAMEUNREACHABLE; + nis_free_directory (*dirp); + *dirp = NULL; + + return retcode; +} +libnsl_hidden_def (__prepare_niscall) + + nis_error __do_niscall (const_nis_name name, u_long prog, xdrproc_t xargs, caddr_t req, xdrproc_t xres, caddr_t resp, unsigned int flags, nis_cb *cb) { - nis_error retcode; dir_binding bptr; directory_obj *dir = NULL; - nis_server *server; - u_int server_len; int saved_errno = errno; - retcode = __nisfind_server (name, &dir); - if (retcode != NIS_SUCCESS) - return retcode; - - if (flags & MASTER_ONLY) - { - server = dir->do_servers.do_servers_val; - server_len = 1; - } - else - { - server = dir->do_servers.do_servers_val; - server_len = dir->do_servers.do_servers_len; - } - - retcode = __nisbind_create (&bptr, server, server_len, flags); + nis_error retcode = __prepare_niscall (name, &dir, &bptr, flags); if (retcode == NIS_SUCCESS) { - while (__nisbind_connect (&bptr) != NIS_SUCCESS) - { - if (__nisbind_next (&bptr) != NIS_SUCCESS) - { - nis_free_directory (dir); - __nisbind_destroy (&bptr); - return NIS_NAMEUNREACHABLE; - } - } retcode = __do_niscall3 (&bptr, prog, xargs, req, xres, resp, flags, cb); __nisbind_destroy (&bptr); - } - nis_free_directory (dir); + nis_free_directory (dir); + } __set_errno (saved_errno); |