diff options
author | brian <brian@FreeBSD.org> | 1998-06-27 15:33:17 +0000 |
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committer | brian <brian@FreeBSD.org> | 1998-06-27 15:33:17 +0000 |
commit | 1dcef5af2ddb5bcd48a29c8034c853adf33e04fe (patch) | |
tree | 2ce31c76209da5f7d4e0f58dfdfdf58d1a12df08 | |
parent | d8347e5d3e5a5bf9ab942e6a331c6a56042fe1bf (diff) | |
download | FreeBSD-src-1dcef5af2ddb5bcd48a29c8034c853adf33e04fe.zip FreeBSD-src-1dcef5af2ddb5bcd48a29c8034c853adf33e04fe.tar.gz |
I find it *really* irritating that you can't ``cvs rm''
things without removing them first.
-rw-r--r-- | usr.sbin/ppp/loadalias.c | 175 | ||||
-rw-r--r-- | usr.sbin/ppp/loadalias.h | 49 |
2 files changed, 0 insertions, 224 deletions
diff --git a/usr.sbin/ppp/loadalias.c b/usr.sbin/ppp/loadalias.c deleted file mode 100644 index e10f22a..0000000 --- a/usr.sbin/ppp/loadalias.c +++ /dev/null @@ -1,175 +0,0 @@ -/*- - * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org> - * All rights reserved. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $Id: loadalias.c,v 1.18 1998/06/12 15:37:23 peter Exp $ - */ - -#include <sys/param.h> -#include <netinet/in.h> - -#include <dirent.h> -#include <dlfcn.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "log.h" -#include "id.h" -#include "loadalias.h" - -#if __FreeBSD__ >= 3 -#ifdef __ELF__ -#define _PATH_ALIAS_PREFIX "libalias.so.2" /* dlopen() searches */ -#else -#define _PATH_ALIAS_PREFIX "libalias.so.2.5" /* dlopen() searches */ -#endif -#else -#define _PATH_ALIAS_PREFIX "/usr/lib/libalias.so.2." -#endif - -#define off(item) ((int)&(((struct aliasHandlers *)0)->item)) -#define entry(a) { off(a), "_PacketAlias" #a } - -#ifndef RTLD_NOW -#define RTLD_NOW 1 /* really RTLD_LAZY */ -#endif - -static struct { - int offset; - const char *name; -} map[] = { - entry(GetFragment), - entry(Init), - entry(In), - entry(Out), - entry(RedirectAddr), - entry(RedirectPort), - entry(SaveFragment), - entry(SetAddress), - entry(SetMode), - entry(FragmentIn), - { 0, 0 } -}; - -struct aliasHandlers PacketAlias; - -int -alias_Load() -{ - const char *path; - const char *env; - int i; - - if (PacketAlias.dl) - return 0; - - path = _PATH_ALIAS_PREFIX; - env = getenv("_PATH_ALIAS_PREFIX"); - if (env) { - if (ID0realuid() == 0) - path = env; - else - log_Printf(LogWARN, "Ignoring environment _PATH_ALIAS_PREFIX" - " value (%s)\n", env); - } - - PacketAlias.dl = dlopen(path, RTLD_NOW); - if (PacketAlias.dl == (void *) 0) { - /* Look for _PATH_ALIAS_PREFIX with any number appended */ - int plen; - - plen = strlen(path); - if (plen && plen < MAXPATHLEN - 1 && path[plen-1] == '.') { - DIR *d; - char p[MAXPATHLEN], *fix, *file; - const char *dir; - - strcpy(p, path); - if ((file = strrchr(p, '/')) != NULL) { - fix = file; - *file++ = '\0'; - dir = p; - } else { - fix = NULL; - file = p; - dir = "."; - } - if ((d = opendir(dir))) { - struct dirent *entry; - int flen; - char *end; - long maxver, ver; - - if (fix) - *fix = '/'; - maxver = -1; - flen = strlen(file); - while ((entry = readdir(d))) - if (entry->d_namlen > flen && !strncmp(entry->d_name, file, flen)) { - ver = strtol(entry->d_name + flen, &end, 10); - strcpy(p + plen, entry->d_name + flen); - if (ver >= 0 && *end == '\0' && ver > maxver && - access(p, R_OK) == 0) - maxver = ver; - } - closedir(d); - - if (maxver > -1) { - sprintf(p + plen, "%ld", maxver); - PacketAlias.dl = dlopen(p, RTLD_NOW); - } - } - } - if (PacketAlias.dl == (void *) 0) { - log_Printf(LogWARN, "_PATH_ALIAS_PREFIX (%s*): Invalid lib: %s\n", - path, dlerror()); - return -1; - } - } - for (i = 0; map[i].name; i++) { - *(void **)((char *)&PacketAlias + map[i].offset) = - dlsym(PacketAlias.dl, map[i].name); - if (*(void **)((char *)&PacketAlias + map[i].offset) == (void *)0) { - log_Printf(LogWARN, "_PATH_ALIAS (%s*): %s: %s\n", path, - map[i].name, dlerror()); - alias_Unload(); - return -1; - } - } - - (*PacketAlias.Init)(); - - return 0; -} - -void -alias_Unload() -{ - if (PacketAlias.dl) { - dlclose(PacketAlias.dl); - memset(&PacketAlias, '\0', sizeof PacketAlias); - } -} diff --git a/usr.sbin/ppp/loadalias.h b/usr.sbin/ppp/loadalias.h deleted file mode 100644 index c30346f..0000000 --- a/usr.sbin/ppp/loadalias.h +++ /dev/null @@ -1,49 +0,0 @@ -/*- - * Copyright (c) 1997 Brian Somers <brian@Awfulhak.org> - * All rights reserved. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $Id: loadalias.h,v 1.4.2.3 1998/05/01 19:25:03 brian Exp $ - */ - -struct aliasHandlers { - void *dl; - - char *(*GetFragment)(char *); - void (*Init)(void); - int (*In)(char *, int); - int (*Out)(char *, int); - struct alias_link *(*RedirectAddr)(struct in_addr, struct in_addr); - struct alias_link *(*RedirectPort)(struct in_addr, u_short, struct in_addr, - u_short, struct in_addr, u_short, u_char); - int (*SaveFragment)(char *); - void (*SetAddress)(struct in_addr); - unsigned (*SetMode)(unsigned, unsigned); - void (*FragmentIn)(char *, char *); -}; - -extern struct aliasHandlers PacketAlias; - -#define alias_IsEnabled() (PacketAlias.dl ? 1 : 0) -extern int alias_Load(void); -extern void alias_Unload(void); |