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I find it *really* irritating that you can't ``cvs rm''

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things without removing them first.
This commit is contained in:
Brian Somers 1998-06-27 15:33:17 +00:00
parent 10a9be1e88
commit 6163841150
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=37193
2 changed files with 0 additions and 224 deletions
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175
usr.sbin/ppp/loadalias.c
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@ -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);
}
}

49
usr.sbin/ppp/loadalias.h
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@ -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);