fresh git tree for public release
we regretfully had to remove our git history for licensing reasons Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley
commit
0ad4db4fad
271 changed files with 71255 additions and 0 deletions
700
libtirpc/src/getnetconfig.c
Normal file
700
libtirpc/src/getnetconfig.c
Normal file
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|
@ -0,0 +1,700 @@
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
* - Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* - Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
* - Neither the name of Sun Microsystems, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
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||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1989 by Sun Microsystems, Inc.
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*/
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#include <wintirpc.h>
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//#include <pthread.h>
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#include <reentrant.h>
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//#include <sys/cdefs.h>
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#include <stdio.h>
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#include <errno.h>
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#include <netconfig.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <rpc/rpc.h>
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//#include <unistd.h>
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#include "rpc_com.h"
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// XXX FIXME - this is in wintirpc.c, but that is not currently built
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static void wintirpc_debug(char *fmt, ...)
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{
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return;
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}
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/*
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* The five library routines in this file provide application access to the
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* system network configuration database, /etc/netconfig. In addition to the
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* netconfig database and the routines for accessing it, the environment
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* variable NETPATH and its corresponding routines in getnetpath.c may also be
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* used to specify the network transport to be used.
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*/
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/*
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* netconfig errors
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*/
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#define NC_NONETCONFIG ENOENT
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#define NC_NOMEM ENOMEM
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#define NC_NOTINIT EINVAL /* setnetconfig was not called first */
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#define NC_BADFILE EBADF /* format for netconfig file is bad */
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#define NC_NOTFOUND WSAENOPROTOOPT /* specified netid was not found */
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/*
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* semantics as strings (should be in netconfig.h)
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*/
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#define NC_TPI_CLTS_S "tpi_clts"
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#define NC_TPI_COTS_S "tpi_cots"
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#define NC_TPI_COTS_ORD_S "tpi_cots_ord"
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#define NC_TPI_RAW_S "tpi_raw"
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/*
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* flags as characters (also should be in netconfig.h)
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*/
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#define NC_NOFLAG_C '-'
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#define NC_VISIBLE_C 'v'
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#define NC_BROADCAST_C 'b'
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/*
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* Character used to indicate there is no name-to-address lookup library
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*/
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#define NC_NOLOOKUP "-"
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static const char * const _nc_errors[] = {
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"Netconfig database not found",
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"Not enough memory",
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"Not initialized",
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"Netconfig database has invalid format",
|
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"Netid not found in netconfig database"
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};
|
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|
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struct netconfig_info {
|
||||
int eof; /* all entries has been read */
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int ref; /* # of times setnetconfig() has been called */
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struct netconfig_list *head; /* head of the list */
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struct netconfig_list *tail; /* last of the list */
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};
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struct netconfig_list {
|
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char *linep; /* hold line read from netconfig */
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struct netconfig *ncp;
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struct netconfig_list *next;
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};
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struct netconfig_vars {
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int valid; /* token that indicates a valid netconfig_vars */
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int flag; /* first time flag */
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struct netconfig_list *nc_configs; /* pointer to the current netconfig entry */
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};
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#define NC_VALID 0xfeed
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#define NC_STORAGE 0xf00d
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#define NC_INVALID 0
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static int *__nc_error(void);
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static int parse_ncp(char *, struct netconfig *);
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static struct netconfig *dup_ncp(struct netconfig *);
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static FILE *nc_file; /* for netconfig db */
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static struct netconfig_info ni = { 0, 0, NULL, NULL};
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#define MAXNETCONFIGLINE 1000
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static int *
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__nc_error()
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{
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extern mutex_t nc_lock;
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extern thread_key_t nc_key;
|
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static int nc_error = 0;
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int error, *nc_addr;
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|
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/*
|
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* Use the static `nc_error' if we are the main thread
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* (including non-threaded programs), or if an allocation
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* fails.
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*/
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if (nc_key == -1) {
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error = 0;
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mutex_lock(&nc_lock);
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if (nc_key == -1)
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error = nc_key = TlsAlloc(); //thr_keycreate(&nc_key, free);
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mutex_unlock(&nc_lock);
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if (error == TLS_OUT_OF_INDEXES)
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return (&nc_error);
|
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}
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if ((nc_addr = (int *)thr_getspecific(nc_key)) == NULL) {
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nc_addr = (int *)malloc(sizeof (int *));
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if (thr_setspecific(nc_key, (void *) nc_addr) == 0) {
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if (nc_addr)
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free(nc_addr);
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return (&nc_error);
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}
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*nc_addr = 0;
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}
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return (nc_addr);
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}
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#define nc_error (*(__nc_error()))
|
||||
/*
|
||||
* A call to setnetconfig() establishes a /etc/netconfig "session". A session
|
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* "handle" is returned on a successful call. At the start of a session (after
|
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* a call to setnetconfig()) searches through the /etc/netconfig database will
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* proceed from the start of the file. The session handle must be passed to
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* getnetconfig() to parse the file. Each call to getnetconfig() using the
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* current handle will process one subsequent entry in /etc/netconfig.
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||||
* setnetconfig() must be called before the first call to getnetconfig().
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* (Handles are used to allow for nested calls to setnetpath()).
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*
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* A new session is established with each call to setnetconfig(), with a new
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* handle being returned on each call. Previously established sessions remain
|
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* active until endnetconfig() is called with that session's handle as an
|
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* argument.
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*
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* setnetconfig() need *not* be called before a call to getnetconfigent().
|
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* setnetconfig() returns a NULL pointer on failure (for example, if
|
||||
* the netconfig database is not present).
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*/
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void *
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||||
setnetconfig()
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||||
{
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struct netconfig_vars *nc_vars;
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if ((nc_vars = (struct netconfig_vars *)malloc(sizeof
|
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(struct netconfig_vars))) == NULL) {
|
||||
return(NULL);
|
||||
}
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|
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/*
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* For multiple calls, i.e. nc_file is not NULL, we just return the
|
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* handle without reopening the netconfig db.
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*/
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ni.ref++;
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if ((nc_file != NULL) || (nc_file = fopen(NETCONFIG, "r")) != NULL) {
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nc_vars->valid = NC_VALID;
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nc_vars->flag = 0;
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nc_vars->nc_configs = ni.head;
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return ((void *)nc_vars);
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}
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ni.ref--;
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nc_error = NC_NONETCONFIG;
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free(nc_vars);
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return (NULL);
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}
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/*
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* When first called, getnetconfig() returns a pointer to the first entry in
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* the netconfig database, formatted as a struct netconfig. On each subsequent
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* call, getnetconfig() returns a pointer to the next entry in the database.
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* getnetconfig() can thus be used to search the entire netconfig file.
|
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* getnetconfig() returns NULL at end of file.
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*/
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struct netconfig *
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getnetconfig(handlep)
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void *handlep;
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{
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struct netconfig_vars *ncp = (struct netconfig_vars *)handlep;
|
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char *stringp; /* tmp string pointer */
|
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struct netconfig_list *list;
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struct netconfig *np;
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/*
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* Verify that handle is valid
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*/
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if (ncp == NULL || nc_file == NULL) {
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nc_error = NC_NOTINIT;
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return (NULL);
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}
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switch (ncp->valid) {
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case NC_VALID:
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/*
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* If entry has already been read into the list,
|
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* we return the entry in the linked list.
|
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* If this is the first time call, check if there are any entries in
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* linked list. If no entries, we need to read the netconfig db.
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* If we have been here and the next entry is there, we just return
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* it.
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*/
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if (ncp->flag == 0) { /* first time */
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ncp->flag = 1;
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ncp->nc_configs = ni.head;
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if (ncp->nc_configs != NULL) /* entry already exist */
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return(ncp->nc_configs->ncp);
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}
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else if (ncp->nc_configs != NULL && ncp->nc_configs->next != NULL) {
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ncp->nc_configs = ncp->nc_configs->next;
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return(ncp->nc_configs->ncp);
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}
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/*
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* If we cannot find the entry in the list and is end of file,
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* we give up.
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*/
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if (ni.eof == 1)
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return(NULL);
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break;
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default:
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nc_error = NC_NOTINIT;
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return (NULL);
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}
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stringp = (char *) malloc(MAXNETCONFIGLINE);
|
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if (stringp == NULL)
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return (NULL);
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#ifdef MEM_CHK
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if (malloc_verify() == 0) {
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fprintf(stderr, "memory heap corrupted in getnetconfig\n");
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exit(1);
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}
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#endif
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/*
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* Read a line from netconfig file.
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*/
|
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do {
|
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if (fgets(stringp, MAXNETCONFIGLINE, nc_file) == NULL) {
|
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free(stringp);
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ni.eof = 1;
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return (NULL);
|
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}
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} while (*stringp == '#');
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list = (struct netconfig_list *) malloc(sizeof (struct netconfig_list));
|
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if (list == NULL) {
|
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free(stringp);
|
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return(NULL);
|
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}
|
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np = (struct netconfig *) malloc(sizeof (struct netconfig));
|
||||
if (np == NULL) {
|
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free(stringp);
|
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free(list);
|
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return(NULL);
|
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}
|
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list->ncp = np;
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list->next = NULL;
|
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list->ncp->nc_lookups = NULL;
|
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list->linep = stringp;
|
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wintirpc_debug("%s: before parse: &list->linep %p, list->linep %p, stringp %p\n", __FUNCTION__, &list->linep, list->linep, stringp);
|
||||
if (parse_ncp(stringp, list->ncp) == -1) {
|
||||
free(stringp);
|
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free(np);
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free(list);
|
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return (NULL);
|
||||
} else {
|
||||
wintirpc_debug("%s: after parse: list->linep %p, stringp %p\n", __FUNCTION__, list->linep, stringp);
|
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/*
|
||||
* If this is the first entry that's been read, it is the head of
|
||||
* the list. If not, put the entry at the end of the list.
|
||||
* Reposition the current pointer of the handle to the last entry
|
||||
* in the list.
|
||||
*/
|
||||
if (ni.head == NULL) { /* first entry */
|
||||
ni.head = ni.tail = list;
|
||||
}
|
||||
else {
|
||||
ni.tail->next = list;
|
||||
ni.tail = ni.tail->next;
|
||||
}
|
||||
ncp->nc_configs = ni.tail;
|
||||
return(ni.tail->ncp);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* endnetconfig() may be called to "unbind" or "close" the netconfig database
|
||||
* when processing is complete, releasing resources for reuse. endnetconfig()
|
||||
* may not be called before setnetconfig(). endnetconfig() returns 0 on
|
||||
* success and -1 on failure (for example, if setnetconfig() was not called
|
||||
* previously).
|
||||
*/
|
||||
int
|
||||
endnetconfig(handlep)
|
||||
void *handlep;
|
||||
{
|
||||
struct netconfig_vars *nc_handlep = (struct netconfig_vars *)handlep;
|
||||
|
||||
struct netconfig_list *q, *p;
|
||||
|
||||
/*
|
||||
* Verify that handle is valid
|
||||
*/
|
||||
if (nc_handlep == NULL || (nc_handlep->valid != NC_VALID &&
|
||||
nc_handlep->valid != NC_STORAGE)) {
|
||||
nc_error = NC_NOTINIT;
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return 0 if anyone still needs it.
|
||||
*/
|
||||
nc_handlep->valid = NC_INVALID;
|
||||
nc_handlep->flag = 0;
|
||||
nc_handlep->nc_configs = NULL;
|
||||
if (--ni.ref > 0) {
|
||||
free(nc_handlep);
|
||||
return(0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Noone needs these entries anymore, then frees them.
|
||||
* Make sure all info in netconfig_info structure has been reinitialized.
|
||||
*/
|
||||
q = p = ni.head;
|
||||
ni.eof = ni.ref = 0;
|
||||
ni.head = NULL;
|
||||
ni.tail = NULL;
|
||||
while (q) {
|
||||
p = q->next;
|
||||
if (q->ncp->nc_lookups != NULL) free(q->ncp->nc_lookups);
|
||||
free(q->ncp);
|
||||
free(q->linep);
|
||||
free(q);
|
||||
q = p;
|
||||
}
|
||||
free(nc_handlep);
|
||||
|
||||
fclose(nc_file);
|
||||
nc_file = NULL;
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* getnetconfigent(netid) returns a pointer to the struct netconfig structure
|
||||
* corresponding to netid. It returns NULL if netid is invalid (that is, does
|
||||
* not name an entry in the netconfig database). It returns NULL and sets
|
||||
* errno in case of failure (for example, if the netconfig database cannot be
|
||||
* opened).
|
||||
*/
|
||||
|
||||
struct netconfig *
|
||||
getnetconfigent(netid)
|
||||
const char *netid;
|
||||
{
|
||||
FILE *file; /* NETCONFIG db's file pointer */
|
||||
char *linep; /* holds current netconfig line */
|
||||
char *stringp; /* temporary string pointer */
|
||||
struct netconfig *ncp = NULL; /* returned value */
|
||||
struct netconfig_list *list; /* pointer to cache list */
|
||||
|
||||
nc_error = NC_NOTFOUND; /* default error. */
|
||||
if (netid == NULL || strlen(netid) == 0) {
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
if (strcmp(netid, "unix") == 0) {
|
||||
fprintf(stderr, "The local transport is called \"unix\" ");
|
||||
fprintf(stderr, "in /etc/netconfig.\n");
|
||||
fprintf(stderr, "Please change this to \"local\" manually ");
|
||||
fprintf(stderr, "or run mergemaster(8).\n");
|
||||
fprintf(stderr, "See UPDATING entry 20021216 for details.\n");
|
||||
fprintf(stderr, "Continuing in 10 seconds\n\n");
|
||||
fprintf(stderr, "This warning will be removed 20030301\n");
|
||||
Sleep(10000); // sleep(10);
|
||||
}
|
||||
|
||||
/*
|
||||
* Look up table if the entries have already been read and parsed in
|
||||
* getnetconfig(), then copy this entry into a buffer and return it.
|
||||
* If we cannot find the entry in the current list and there are more
|
||||
* entries in the netconfig db that has not been read, we then read the
|
||||
* db and try find the match netid.
|
||||
* If all the netconfig db has been read and placed into the list and
|
||||
* there is no match for the netid, return NULL.
|
||||
*/
|
||||
if (ni.head != NULL) {
|
||||
for (list = ni.head; list; list = list->next) {
|
||||
if (strcmp(list->ncp->nc_netid, netid) == 0) {
|
||||
return(dup_ncp(list->ncp));
|
||||
}
|
||||
}
|
||||
if (ni.eof == 1) /* that's all the entries */
|
||||
return(NULL);
|
||||
}
|
||||
|
||||
|
||||
if ((file = fopen(NETCONFIG, "r")) == NULL) {
|
||||
nc_error = NC_NONETCONFIG;
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
if ((linep = malloc(MAXNETCONFIGLINE)) == NULL) {
|
||||
fclose(file);
|
||||
nc_error = NC_NOMEM;
|
||||
return (NULL);
|
||||
}
|
||||
do {
|
||||
ptrdiff_t len;
|
||||
char *tmpp; /* tmp string pointer */
|
||||
|
||||
do {
|
||||
if ((stringp = fgets(linep, MAXNETCONFIGLINE, file)) == NULL) {
|
||||
break;
|
||||
}
|
||||
} while (*stringp == '#');
|
||||
if (stringp == NULL) { /* eof */
|
||||
break;
|
||||
}
|
||||
if ((tmpp = strpbrk(stringp, "\t ")) == NULL) { /* can't parse file */
|
||||
nc_error = NC_BADFILE;
|
||||
break;
|
||||
}
|
||||
if (strlen(netid) == (size_t) (len = tmpp - stringp) && /* a match */
|
||||
strncmp(stringp, netid, (size_t)len) == 0) {
|
||||
if ((ncp = (struct netconfig *)
|
||||
malloc(sizeof (struct netconfig))) == NULL) {
|
||||
break;
|
||||
}
|
||||
ncp->nc_lookups = NULL;
|
||||
if (parse_ncp(linep, ncp) == -1) {
|
||||
free(ncp);
|
||||
ncp = NULL;
|
||||
}
|
||||
break;
|
||||
}
|
||||
} while (stringp != NULL);
|
||||
if (ncp == NULL) {
|
||||
free(linep);
|
||||
}
|
||||
fclose(file);
|
||||
return(ncp);
|
||||
}
|
||||
|
||||
/*
|
||||
* freenetconfigent(netconfigp) frees the netconfig structure pointed to by
|
||||
* netconfigp (previously returned by getnetconfigent()).
|
||||
*/
|
||||
|
||||
void
|
||||
freenetconfigent(netconfigp)
|
||||
struct netconfig *netconfigp;
|
||||
{
|
||||
if (netconfigp != NULL) {
|
||||
free(netconfigp->nc_netid); /* holds all netconfigp's strings */
|
||||
if (netconfigp->nc_lookups != NULL)
|
||||
free(netconfigp->nc_lookups);
|
||||
free(netconfigp);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Parse line and stuff it in a struct netconfig
|
||||
* Typical line might look like:
|
||||
* udp tpi_cots vb inet udp /dev/udp /usr/lib/ip.so,/usr/local/ip.so
|
||||
*
|
||||
* We return -1 if any of the tokens don't parse, or malloc fails.
|
||||
*
|
||||
* Note that we modify stringp (putting NULLs after tokens) and
|
||||
* we set the ncp's string field pointers to point to these tokens within
|
||||
* stringp.
|
||||
*/
|
||||
|
||||
static int
|
||||
parse_ncp(stringp, ncp)
|
||||
char *stringp; /* string to parse */
|
||||
struct netconfig *ncp; /* where to put results */
|
||||
{
|
||||
char *tokenp; /* for processing tokens */
|
||||
char *lasts;
|
||||
|
||||
nc_error = NC_BADFILE; /* nearly anything that breaks is for this reason */
|
||||
wintirpc_debug("%s: The last character being chopped is '%02x'\n", __FUNCTION__, stringp[strlen(stringp)-1]);
|
||||
wintirpc_debug("%s: The string before chopping is '%s'\n", __FUNCTION__, stringp);
|
||||
stringp[strlen(stringp)-1] = '\0'; /* get rid of newline */
|
||||
wintirpc_debug("%s: The last character after chopping is '%02x'\n", __FUNCTION__, stringp[strlen(stringp)-1]);
|
||||
wintirpc_debug("%s: The string after chopping is '%s'\n", __FUNCTION__, stringp);
|
||||
/* netid */
|
||||
if ((ncp->nc_netid = strtok_r(stringp, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
|
||||
/* semantics */
|
||||
if ((tokenp = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
if (strcmp(tokenp, NC_TPI_COTS_ORD_S) == 0)
|
||||
ncp->nc_semantics = NC_TPI_COTS_ORD;
|
||||
else if (strcmp(tokenp, NC_TPI_COTS_S) == 0)
|
||||
ncp->nc_semantics = NC_TPI_COTS;
|
||||
else if (strcmp(tokenp, NC_TPI_CLTS_S) == 0)
|
||||
ncp->nc_semantics = NC_TPI_CLTS;
|
||||
else if (strcmp(tokenp, NC_TPI_RAW_S) == 0)
|
||||
ncp->nc_semantics = NC_TPI_RAW;
|
||||
else
|
||||
return (-1);
|
||||
|
||||
/* flags */
|
||||
if ((tokenp = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
for (ncp->nc_flag = NC_NOFLAG; *tokenp != '\0';
|
||||
tokenp++) {
|
||||
switch (*tokenp) {
|
||||
case NC_NOFLAG_C:
|
||||
break;
|
||||
case NC_VISIBLE_C:
|
||||
ncp->nc_flag |= NC_VISIBLE;
|
||||
break;
|
||||
case NC_BROADCAST_C:
|
||||
ncp->nc_flag |= NC_BROADCAST;
|
||||
break;
|
||||
default:
|
||||
return (-1);
|
||||
}
|
||||
}
|
||||
/* protocol family */
|
||||
if ((ncp->nc_protofmly = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
/* protocol name */
|
||||
if ((ncp->nc_proto = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
/* network device */
|
||||
if ((ncp->nc_device = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
if ((tokenp = strtok_r(NULL, "\t ", &lasts)) == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
if (strcmp(tokenp, NC_NOLOOKUP) == 0) {
|
||||
ncp->nc_nlookups = 0;
|
||||
ncp->nc_lookups = NULL;
|
||||
} else {
|
||||
char *cp; /* tmp string */
|
||||
|
||||
if (ncp->nc_lookups != NULL) /* from last visit */
|
||||
free(ncp->nc_lookups);
|
||||
/* preallocate one string pointer */
|
||||
ncp->nc_lookups = (char **)malloc(sizeof (char *));
|
||||
ncp->nc_nlookups = 0;
|
||||
while ((cp = tokenp) != NULL) {
|
||||
tokenp = _get_next_token(cp, ',');
|
||||
ncp->nc_lookups[(size_t)ncp->nc_nlookups++] = cp;
|
||||
ncp->nc_lookups = (char **)realloc(ncp->nc_lookups,
|
||||
(size_t)(ncp->nc_nlookups+1) *sizeof(char *)); /* for next loop */
|
||||
}
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Returns a string describing the reason for failure.
|
||||
*/
|
||||
char *
|
||||
nc_sperror()
|
||||
{
|
||||
const char *message;
|
||||
|
||||
switch(nc_error) {
|
||||
case NC_NONETCONFIG:
|
||||
message = _nc_errors[0];
|
||||
break;
|
||||
case NC_NOMEM:
|
||||
message = _nc_errors[1];
|
||||
break;
|
||||
case NC_NOTINIT:
|
||||
message = _nc_errors[2];
|
||||
break;
|
||||
case NC_BADFILE:
|
||||
message = _nc_errors[3];
|
||||
break;
|
||||
case NC_NOTFOUND:
|
||||
message = _nc_errors[4];
|
||||
break;
|
||||
default:
|
||||
message = "Unknown network selection error";
|
||||
}
|
||||
/* LINTED const castaway */
|
||||
return ((char *)message);
|
||||
}
|
||||
|
||||
/*
|
||||
* Prints a message onto standard error describing the reason for failure.
|
||||
*/
|
||||
void
|
||||
nc_perror(s)
|
||||
const char *s;
|
||||
{
|
||||
fprintf(stderr, "%s: %s\n", s, nc_sperror());
|
||||
}
|
||||
|
||||
/*
|
||||
* Duplicates the matched netconfig buffer.
|
||||
*/
|
||||
static struct netconfig *
|
||||
dup_ncp(ncp)
|
||||
struct netconfig *ncp;
|
||||
{
|
||||
struct netconfig *p;
|
||||
char *tmp;
|
||||
u_int i;
|
||||
|
||||
if ((tmp=malloc(MAXNETCONFIGLINE)) == NULL)
|
||||
return(NULL);
|
||||
if ((p=(struct netconfig *)malloc(sizeof(struct netconfig))) == NULL) {
|
||||
free(tmp);
|
||||
return(NULL);
|
||||
}
|
||||
/*
|
||||
* First we dup all the data from matched netconfig buffer. Then we
|
||||
* adjust some of the member pointer to a pre-allocated buffer where
|
||||
* contains part of the data.
|
||||
* To follow the convention used in parse_ncp(), we store all the
|
||||
* necessary information in the pre-allocated buffer and let each
|
||||
* of the netconfig char pointer member point to the right address
|
||||
* in the buffer.
|
||||
*/
|
||||
*p = *ncp;
|
||||
p->nc_netid = (char *)strcpy(tmp,ncp->nc_netid);
|
||||
tmp = strchr(tmp, 0) + 1;
|
||||
p->nc_protofmly = (char *)strcpy(tmp,ncp->nc_protofmly);
|
||||
tmp = strchr(tmp, 0) + 1;
|
||||
p->nc_proto = (char *)strcpy(tmp,ncp->nc_proto);
|
||||
tmp = strchr(tmp, 0) + 1;
|
||||
p->nc_device = (char *)strcpy(tmp,ncp->nc_device);
|
||||
p->nc_lookups = (char **)malloc((size_t)(p->nc_nlookups+1) * sizeof(char *));
|
||||
if (p->nc_lookups == NULL) {
|
||||
free(p->nc_netid);
|
||||
return(NULL);
|
||||
}
|
||||
for (i=0; i < p->nc_nlookups; i++) {
|
||||
tmp = strchr(tmp, 0) + 1;
|
||||
p->nc_lookups[i] = (char *)strcpy(tmp,ncp->nc_lookups[i]);
|
||||
}
|
||||
return(p);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue