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-rw-r--r--src/getnetconfig.c716
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diff --git a/src/getnetconfig.c b/src/getnetconfig.c
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+++ b/src/getnetconfig.c
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+/*
+ * Copyright (c) 2009, Sun Microsystems, Inc.
+ * 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.
+ *
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1989 by Sun Microsystems, Inc.
+ */
+
+#include <pthread.h>
+#include <reentrant.h>
+#include <stdio.h>
+#include <errno.h>
+#include <netconfig.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <rpc/rpc.h>
+#include <unistd.h>
+#include "rpc_com.h"
+
+/*
+ * The five library routines in this file provide application access to the
+ * system network configuration database, /etc/netconfig. In addition to the
+ * netconfig database and the routines for accessing it, the environment
+ * variable NETPATH and its corresponding routines in getnetpath.c may also be
+ * used to specify the network transport to be used.
+ */
+
+/*
+ * netconfig errors
+ */
+
+#define NC_NONETCONFIG ENOENT
+#define NC_NOMEM ENOMEM
+#define NC_NOTINIT EINVAL /* setnetconfig was not called first */
+#define NC_BADFILE EBADF /* format for netconfig file is bad */
+#define NC_NOTFOUND ENOPROTOOPT /* specified netid was not found */
+
+/*
+ * semantics as strings (should be in netconfig.h)
+ */
+#define NC_TPI_CLTS_S "tpi_clts"
+#define NC_TPI_COTS_S "tpi_cots"
+#define NC_TPI_COTS_ORD_S "tpi_cots_ord"
+#define NC_TPI_RAW_S "tpi_raw"
+
+/*
+ * flags as characters (also should be in netconfig.h)
+ */
+#define NC_NOFLAG_C '-'
+#define NC_VISIBLE_C 'v'
+#define NC_BROADCAST_C 'b'
+
+/*
+ * Character used to indicate there is no name-to-address lookup library
+ */
+#define NC_NOLOOKUP "-"
+
+static const char * const _nc_errors[] = {
+ "Netconfig database not found",
+ "Not enough memory",
+ "Not initialized",
+ "Netconfig database has invalid format",
+ "Netid not found in netconfig database"
+};
+
+struct netconfig_info {
+ int eof; /* all entries has been read */
+ int ref; /* # of times setnetconfig() has been called */
+ struct netconfig_list *head; /* head of the list */
+ struct netconfig_list *tail; /* last of the list */
+};
+
+struct netconfig_list {
+ char *linep; /* hold line read from netconfig */
+ struct netconfig *ncp;
+ struct netconfig_list *next;
+};
+
+struct netconfig_vars {
+ int valid; /* token that indicates a valid netconfig_vars */
+ int flag; /* first time flag */
+ struct netconfig_list *nc_configs; /* pointer to the current netconfig entry */
+};
+
+#define NC_VALID 0xfeed
+#define NC_STORAGE 0xf00d
+#define NC_INVALID 0
+
+
+static int *__nc_error(void);
+static int parse_ncp(char *, struct netconfig *);
+static struct netconfig *dup_ncp(struct netconfig *);
+
+
+static FILE *nc_file; /* for netconfig db */
+static struct netconfig_info ni = { 0, 0, NULL, NULL};
+extern pthread_mutex_t nc_db_lock;
+
+#define MAXNETCONFIGLINE 1000
+
+static int *
+__nc_error()
+{
+ static pthread_mutex_t nc_lock = PTHREAD_MUTEX_INITIALIZER;
+ extern thread_key_t nc_key;
+ static int nc_error = 0;
+ int error, *nc_addr;
+
+ /*
+ * Use the static `nc_error' if we are the main thread
+ * (including non-threaded programs), or if an allocation
+ * fails.
+ */
+ if (nc_key == KEY_INITIALIZER) {
+ error = 0;
+ mutex_lock(&nc_lock);
+ if (nc_key == KEY_INITIALIZER)
+ error = thr_keycreate(&nc_key, free);
+ mutex_unlock(&nc_lock);
+ if (error)
+ return (&nc_error);
+ }
+ if ((nc_addr = (int *)thr_getspecific(nc_key)) == NULL) {
+ if((nc_addr = (int *)malloc(sizeof (int))) == NULL)
+ return (&nc_error);
+ if (thr_setspecific(nc_key, (void *) nc_addr) != 0) {
+ if (nc_addr)
+ free(nc_addr);
+ return (&nc_error);
+ }
+ *nc_addr = 0;
+ }
+ return (nc_addr);
+}
+
+#define nc_error (*(__nc_error()))
+/*
+ * A call to setnetconfig() establishes a /etc/netconfig "session". A session
+ * "handle" is returned on a successful call. At the start of a session (after
+ * a call to setnetconfig()) searches through the /etc/netconfig database will
+ * proceed from the start of the file. The session handle must be passed to
+ * getnetconfig() to parse the file. Each call to getnetconfig() using the
+ * current handle will process one subsequent entry in /etc/netconfig.
+ * setnetconfig() must be called before the first call to getnetconfig().
+ * (Handles are used to allow for nested calls to setnetpath()).
+ *
+ * A new session is established with each call to setnetconfig(), with a new
+ * handle being returned on each call. Previously established sessions remain
+ * active until endnetconfig() is called with that session's handle as an
+ * argument.
+ *
+ * setnetconfig() need *not* be called before a call to getnetconfigent().
+ * setnetconfig() returns a NULL pointer on failure (for example, if
+ * the netconfig database is not present).
+ */
+void *
+setnetconfig()
+{
+ struct netconfig_vars *nc_vars;
+
+ if ((nc_vars = (struct netconfig_vars *)malloc(sizeof
+ (struct netconfig_vars))) == NULL) {
+ return(NULL);
+ }
+
+ /*
+ * For multiple calls, i.e. nc_file is not NULL, we just return the
+ * handle without reopening the netconfig db.
+ */
+ mutex_lock(&nc_db_lock);
+ ni.ref++;
+ if ((nc_file != NULL) || (nc_file = fopen(NETCONFIG, "r")) != NULL) {
+ nc_vars->valid = NC_VALID;
+ nc_vars->flag = 0;
+ nc_vars->nc_configs = ni.head;
+ mutex_unlock(&nc_db_lock);
+ return ((void *)nc_vars);
+ }
+ ni.ref--;
+ mutex_unlock(&nc_db_lock);
+ nc_error = NC_NONETCONFIG;
+ free(nc_vars);
+ return (NULL);
+}
+
+
+/*
+ * When first called, getnetconfig() returns a pointer to the first entry in
+ * the netconfig database, formatted as a struct netconfig. On each subsequent
+ * call, getnetconfig() returns a pointer to the next entry in the database.
+ * getnetconfig() can thus be used to search the entire netconfig file.
+ * getnetconfig() returns NULL at end of file.
+ */
+
+struct netconfig *
+getnetconfig(handlep)
+void *handlep;
+{
+ struct netconfig_vars *ncp = (struct netconfig_vars *)handlep;
+ char *stringp; /* tmp string pointer */
+ struct netconfig_list *list;
+ struct netconfig *np;
+ struct netconfig *result;
+
+ /*
+ * Verify that handle is valid
+ */
+ mutex_lock(&nc_db_lock);
+ if (ncp == NULL || nc_file == NULL) {
+ nc_error = NC_NOTINIT;
+ mutex_unlock(&nc_db_lock);
+ return (NULL);
+ }
+
+ switch (ncp->valid) {
+ case NC_VALID:
+ /*
+ * If entry has already been read into the list,
+ * we return the entry in the linked list.
+ * If this is the first time call, check if there are any entries in
+ * linked list. If no entries, we need to read the netconfig db.
+ * If we have been here and the next entry is there, we just return
+ * it.
+ */
+ if (ncp->flag == 0) { /* first time */
+ ncp->flag = 1;
+ ncp->nc_configs = ni.head;
+ if (ncp->nc_configs != NULL) /* entry already exist */ {
+ mutex_unlock(&nc_db_lock);
+ return(ncp->nc_configs->ncp);
+ }
+ }
+ else if (ncp->nc_configs != NULL && ncp->nc_configs->next != NULL) {
+ ncp->nc_configs = ncp->nc_configs->next;
+ mutex_unlock(&nc_db_lock);
+ return(ncp->nc_configs->ncp);
+ }
+
+ /*
+ * If we cannot find the entry in the list and is end of file,
+ * we give up.
+ */
+ if (ni.eof == 1) {
+ mutex_unlock(&nc_db_lock);
+ return(NULL);
+ }
+ break;
+ default:
+ nc_error = NC_NOTINIT;
+ mutex_unlock(&nc_db_lock);
+ return (NULL);
+ }
+
+ stringp = (char *) malloc(MAXNETCONFIGLINE);
+ if (stringp == NULL) {
+ mutex_unlock(&nc_db_lock);
+ return (NULL);
+ }
+
+#ifdef MEM_CHK
+ if (malloc_verify() == 0) {
+ fprintf(stderr, "memory heap corrupted in getnetconfig\n");
+ exit(1);
+ }
+#endif
+
+ /*
+ * Read a line from netconfig file.
+ */
+ do {
+ if (fgets(stringp, MAXNETCONFIGLINE, nc_file) == NULL) {
+ free(stringp);
+ ni.eof = 1;
+ mutex_unlock(&nc_db_lock);
+ return (NULL);
+ }
+ } while (*stringp == '#');
+
+ list = (struct netconfig_list *) malloc(sizeof (struct netconfig_list));
+ if (list == NULL) {
+ free(stringp);
+ mutex_unlock(&nc_db_lock);
+ return(NULL);
+ }
+ np = (struct netconfig *) malloc(sizeof (struct netconfig));
+ if (np == NULL) {
+ free(stringp);
+ free(list);
+ mutex_unlock(&nc_db_lock);
+ return(NULL);
+ }
+ list->ncp = np;
+ list->next = NULL;
+ list->ncp->nc_lookups = NULL;
+ list->linep = stringp;
+ if (parse_ncp(stringp, list->ncp) == -1) {
+ free(stringp);
+ free(np);
+ free(list);
+ mutex_unlock(&nc_db_lock);
+ return (NULL);
+ }
+ else {
+ /*
+ * 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;
+ result = ni.tail->ncp;
+ mutex_unlock(&nc_db_lock);
+ return result;
+ }
+}
+
+/*
+ * 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;
+ mutex_lock(&nc_db_lock);
+ if (--ni.ref > 0) {
+ mutex_unlock(&nc_db_lock);
+ 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);
+ if(nc_file != NULL) {
+ fclose(nc_file);
+ }
+ nc_file = NULL;
+ mutex_unlock(&nc_db_lock);
+ 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");
+ }
+
+ /*
+ * 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.
+ */
+ mutex_lock(&nc_db_lock);
+ if (ni.head != NULL) {
+ for (list = ni.head; list; list = list->next) {
+ if (strcmp(list->ncp->nc_netid, netid) == 0) {
+ ncp = dup_ncp(list->ncp);
+ mutex_unlock(&nc_db_lock);
+ return ncp;
+ }
+ }
+ if (ni.eof == 1) { /* that's all the entries */
+ mutex_unlock(&nc_db_lock);
+ return(NULL);
+ }
+ }
+ mutex_unlock(&nc_db_lock);
+
+ 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 */
+ stringp[strlen(stringp)-1] = '\0'; /* get rid of newline */
+ /* 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;
+ char *t;
+ 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);
+ t = strchr(tmp, 0) + 1;
+ p->nc_protofmly = (char *)strcpy(t,ncp->nc_protofmly);
+ t = strchr(t, 0) + 1;
+ p->nc_proto = (char *)strcpy(t,ncp->nc_proto);
+ t = strchr(t, 0) + 1;
+ p->nc_device = (char *)strcpy(t,ncp->nc_device);
+ p->nc_lookups = (char **)malloc((size_t)(p->nc_nlookups+1) * sizeof(char *));
+ if (p->nc_lookups == NULL) {
+ free(p);
+ free(tmp);
+ return(NULL);
+ }
+ for (i=0; i < p->nc_nlookups; i++) {
+ t = strchr(t, 0) + 1;
+ p->nc_lookups[i] = (char *)strcpy(t,ncp->nc_lookups[i]);
+ }
+ return(p);
+}