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-rw-r--r--sbin/mount_portal/conf.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/sbin/mount_portal/conf.c b/sbin/mount_portal/conf.c
deleted file mode 100644
index d5833e4..0000000
--- a/sbin/mount_portal/conf.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- * All rights reserved.
- *
- * This code is derived from software donated to Berkeley by
- * Jan-Simon Pendry.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
- *
- * @(#)conf.c 8.2 (Berkeley) 3/27/94
- */
-
-#ifndef lint
-static const char rcsid[] =
- "$FreeBSD$";
-#endif /* not lint */
-
-#include <errno.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <regex.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/syslog.h>
-
-#include "portald.h"
-
-#define ALLOC(ty) (xmalloc(sizeof(ty)))
-
-typedef struct path path;
-struct path {
- qelem p_q; /* 2-way linked list */
- int p_lno; /* Line number of this record */
- char *p_args; /* copy of arg string (malloc) */
- char *p_key; /* Pathname to match (also p_argv[0]) */
- regex_t p_rx; /* RE to match against pathname () */
- int p_rxvalid; /* non-zero if valid regular expression */
- int p_argc; /* number of elements in arg string */
- char **p_argv; /* argv[] pointers into arg string (malloc) */
-};
-
-static char *conf_file; /* XXX for regerror */
-static path *curp; /* XXX for regerror */
-
-/*
- * Add an element to a 2-way list,
- * just after (pred)
- */
-static void ins_que(elem, pred)
-qelem *elem, *pred;
-{
- qelem *p = pred->q_forw;
- elem->q_back = pred;
- elem->q_forw = p;
- pred->q_forw = elem;
- p->q_back = elem;
-}
-
-/*
- * Remove an element from a 2-way list
- */
-static void rem_que(elem)
-qelem *elem;
-{
- qelem *p = elem->q_forw;
- qelem *p2 = elem->q_back;
- p2->q_forw = p;
- p->q_back = p2;
-}
-
-/*
- * Error checking malloc
- */
-static void *xmalloc(siz)
-unsigned siz;
-{
- void *p = malloc(siz);
- if (p)
- return (p);
- syslog(LOG_ALERT, "malloc: failed to get %d bytes", siz);
- exit(1);
-}
-
-/*
- * Insert the path in the list.
- * If there is already an element with the same key then
- * the *second* one is ignored (return 0). If the key is
- * not found then the path is added to the end of the list
- * and 1 is returned.
- */
-static int pinsert(p0, q0)
-path *p0;
-qelem *q0;
-{
- qelem *q;
-
- if (p0->p_argc == 0)
- return (0);
-
- for (q = q0->q_forw; q != q0; q = q->q_forw) {
- path *p = (path *) q;
- if (strcmp(p->p_key, p0->p_key) == 0)
- return (0);
- }
- ins_que(&p0->p_q, q0->q_back);
- return (1);
-
-}
-
-static path *palloc(cline, lno)
-char *cline;
-int lno;
-{
- int c;
- char *s;
- char *key;
- path *p;
- char **ap;
-
- /*
- * Implement comment chars
- */
- s = strchr(cline, '#');
- if (s)
- *s = 0;
-
- /*
- * Do a pass through the string to count the number
- * of arguments
- */
- c = 0;
- key = strdup(cline);
- for (s = key; s != NULL; ) {
- char *val;
- while ((val = strsep(&s, " \t\n")) != NULL && *val == '\0')
- ;
- if (val)
- c++;
- }
- c++;
- free(key);
-
- if (c <= 1)
- return (0);
-
- /*
- * Now do another pass and generate a new path structure
- */
- p = ALLOC(path);
- p->p_argc = 0;
- p->p_argv = xmalloc(c * sizeof(char *));
- p->p_args = strdup(cline);
- ap = p->p_argv;
- for (s = p->p_args; s != NULL; ) {
- char *val;
- while ((val = strsep(&s, " \t\n")) != NULL && *val == '\0')
- ;
- if (val) {
- *ap++ = val;
- p->p_argc++;
- }
- }
- *ap = 0;
-
-#ifdef DEBUG
- for (c = 0; c < p->p_argc; c++)
- printf("%sv[%d] = %s\n", c?"\t":"", c, p->p_argv[c]);
-#endif
-
- p->p_key = p->p_argv[0];
- if (strpbrk(p->p_key, RE_CHARS)) {
- int val;
-
- curp = p; /* XXX */
- val = regcomp(&p->p_rx, p->p_key, REG_EXTENDED | REG_NOSUB);
- if (val) {
- char errbuf[_POSIX2_LINE_MAX];
- regerror(val, &p->p_rx, errbuf, sizeof errbuf);
- syslog(LOG_ERR, "%s:%d: regcomp %s: %s",
- conf_file, curp->p_lno, curp->p_key, errbuf);
- regfree(&p->p_rx);
- p->p_rxvalid = 0;
- } else {
- p->p_rxvalid = 1;
- }
- curp = 0; /* XXX */
- } else {
- p->p_rxvalid = 0;
- }
- p->p_lno = lno;
-
- return (p);
-}
-
-/*
- * Free a path structure
- */
-static void pfree(p)
-path *p;
-{
- free(p->p_args);
- if (p->p_rxvalid) {
- regfree(&p->p_rx);
- }
- free((char *) p->p_argv);
- free((char *) p);
-}
-
-/*
- * Discard all currently held path structures on q0.
- * and add all the ones on xq.
- */
-static void preplace(q0, xq)
-qelem *q0;
-qelem *xq;
-{
- /*
- * While the list is not empty,
- * take the first element off the list
- * and free it.
- */
- while (q0->q_forw != q0) {
- qelem *q = q0->q_forw;
- rem_que(q);
- pfree((path *) q);
- }
- while (xq->q_forw != xq) {
- qelem *q = xq->q_forw;
- rem_que(q);
- ins_que(q, q0);
- }
-}
-
-/*
- * Read the lines from the configuration file and
- * add them to the list of paths.
- */
-static void readfp(q0, fp)
-qelem *q0;
-FILE *fp;
-{
- char cline[LINE_MAX];
- int nread = 0;
- qelem q;
-
- /*
- * Make a new empty list.
- */
- q.q_forw = q.q_back = &q;
-
- /*
- * Read the lines from the configuration file.
- */
- while (fgets(cline, sizeof(cline), fp)) {
- path *p = palloc(cline, nread+1);
- if (p && !pinsert(p, &q))
- pfree(p);
- nread++;
- }
-
- /*
- * If some records were read, then throw
- * away the old list and replace with the
- * new one.
- */
- if (nread)
- preplace(q0, &q);
-}
-
-/*
- * Read the configuration file (conf) and replace
- * the existing path list with the new version.
- * If the file is not readable, then no changes take place
- */
-void conf_read(q, conf)
-qelem *q;
-char *conf;
-{
- FILE *fp = fopen(conf, "r");
- if (fp) {
- conf_file = conf; /* XXX */
- readfp(q, fp);
- conf_file = 0; /* XXX */
- (void) fclose(fp);
- } else {
- syslog(LOG_ERR, "open config file \"%s\": %s", conf, strerror(errno));
- }
-}
-
-
-char **conf_match(q0, key)
-qelem *q0;
-char *key;
-{
- qelem *q;
-
- for (q = q0->q_forw; q != q0; q = q->q_forw) {
- path *p = (path *) q;
- if (p->p_rxvalid) {
- if (!regexec(&p->p_rx, key, 0, 0, 0)) {
- return p->p_argv + 1;
- }
- } else {
- if (strncmp(p->p_key, key, strlen(p->p_key)) == 0)
- return (p->p_argv+1);
- }
- }
-
- return (0);
-}
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