/*
-**
-** OpenBSD emulation routines
-**
-** Damien Miller <djm@ibs.com.au>
-**
-** Copyright 1999 Damien Miller
-** Copyright 1999 Internet Business Solutions
-**
-** Permission is hereby granted, free of charge, to any person
-** obtaining a copy of this software and associated documentation
-** files (the "Software"), to deal in the Software without
-** restriction, including without limitation the rights to use, copy,
-** modify, merge, publish, distribute, sublicense, and/or sell copies
-** of the Software, and to permit persons to whom the Software is
-** furnished to do so, subject to the following conditions:
-**
-** The above copyright notice and this permission notice shall be
-** included in all copies or substantial portions of the Software.
-**
-** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
-** KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
-** WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
-** AND NONINFRINGEMENT. IN NO EVENT SHALL DAMIEN MILLER OR INTERNET
-** BUSINESS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
-** OR OTHER DEALINGS IN THE SOFTWARE.
-**
-** Except as contained in this notice, the name of Internet Business
-** Solutions shall not be used in advertising or otherwise to promote
-** the sale, use or other dealings in this Software without prior
-** written authorization from Internet Business Solutions.
-**
-*/
-
-#include "config.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <fcntl.h>
-
+ * Copyright (c) 1999-2000 Damien Miller. 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 ``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 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.
+ */
+
+#include "includes.h"
#include "xmalloc.h"
#include "ssh.h"
-#include "bsd-misc.h"
-
-#ifndef offsetof
-#define offsetof(type, member) ((size_t) &((type *)0)->member)
-#endif
-
-#ifndef HAVE_ARC4RANDOM
-
-typedef struct
-{
- unsigned int s[256];
- int i;
- int j;
-} rc4_t;
-void get_random_bytes(unsigned char *buf, int len);
-void rc4_key(rc4_t *r, unsigned char *key, int len);
-void rc4_getbytes(rc4_t *r, unsigned char *buffer, int len);
-
-static rc4_t *rc4 = NULL;
-
-void rc4_key(rc4_t *r, unsigned char *key, int len)
+char *get_progname(char *argv0)
{
- int t;
-
- for(r->i = 0; r->i < 256; r->i++)
- r->s[r->i] = r->i;
-
- r->j = 0;
- for(r->i = 0; r->i < 256; r->i++)
- {
- r->j = (r->j + r->s[r->i] + key[r->i % len]) % 256;
- t = r->s[r->i];
- r->s[r->i] = r->s[r->j];
- r->s[r->j] = t;
- }
- r->i = r->j = 0;
-}
-
-void rc4_getbytes(rc4_t *r, unsigned char *buffer, int len)
-{
- int t;
- int c;
-
- c = 0;
- while(c < len)
- {
- r->i = (r->i + 1) % 256;
- r->j = (r->j + r->s[r->i]) % 256;
- t = r->s[r->i];
- r->s[r->i] = r->s[r->j];
- r->s[r->j] = t;
-
- t = (r->s[r->i] + r->s[r->j]) % 256;
-
- buffer[c] = r->s[t];
- c++;
- }
-}
-
-unsigned int arc4random(void)
-{
- unsigned int r;
-
- if (rc4 == NULL)
- arc4random_stir();
-
- rc4_getbytes(rc4, (unsigned char *)&r, sizeof(r));
-
- return(r);
-}
-
-void arc4random_stir(void)
-{
- unsigned char rand_buf[32];
-
- if (rc4 == NULL)
- rc4 = xmalloc(sizeof(*rc4));
-
- get_random_bytes(rand_buf, sizeof(rand_buf));
- rc4_key(rc4, rand_buf, sizeof(rand_buf));
-}
-
-void get_random_bytes(unsigned char *buf, int len)
-{
- static int random_pool;
- int c;
-#ifdef HAVE_EGD
- char egd_message[2] = { 0x02, 0x00 };
- struct sockaddr_un addr;
- int addr_len;
-
- memset(&addr, '\0', sizeof(addr));
- addr.sun_family = AF_UNIX;
-
- /* FIXME: compile time check? */
- if (sizeof(RANDOM_POOL) > sizeof(addr.sun_path))
- fatal("Random pool path is too long");
-
- strcpy(addr.sun_path, RANDOM_POOL);
-
- addr_len = offsetof(struct sockaddr_un, sun_path) + sizeof(RANDOM_POOL);
-
- random_pool = socket(AF_UNIX, SOCK_STREAM, 0);
-
- if (random_pool == -1)
- fatal("Couldn't create AF_UNIX socket: %s", strerror(errno));
-
- if (connect(random_pool, (struct sockaddr*)&addr, addr_len) == -1)
- fatal("Couldn't connect to EGD socket \"%s\": %s", addr.sun_path, strerror(errno));
-
- if (len > 255)
- fatal("Too many bytes to read from EGD");
-
- /* Send blocking read request to EGD */
- egd_message[1] = len;
-
- c = atomicio(write, random_pool, egd_message, sizeof(egd_message));
- if (c == -1)
- fatal("Couldn't write to EGD socket \"%s\": %s", RANDOM_POOL, strerror(errno));
-
-#else /* HAVE_EGD */
-
- random_pool = open(RANDOM_POOL, O_RDONLY);
- if (random_pool == -1)
- fatal("Couldn't open random pool \"%s\": %s", RANDOM_POOL, strerror(errno));
-
-#endif /* HAVE_EGD */
-
- c = atomicio(read, random_pool, buf, len);
- if (c <= 0)
- fatal("Couldn't read from random pool \"%s\": %s", RANDOM_POOL, strerror(errno));
-
- close(random_pool);
-}
-#endif /* !HAVE_ARC4RANDOM */
-
-#ifndef HAVE_SETPROCTITLE
-void setproctitle(const char *fmt, ...)
-{
- /* FIXME */
-}
-#endif /* !HAVE_SETPROCTITLE */
-
-#ifndef HAVE_SETENV
-int setenv(const char *name, const char *value, int overwrite)
-{
- char *env_string;
- int result;
-
- /* Don't overwrite existing env. var if overwrite is 0 */
- if (!overwrite && (getenv(name) != NULL))
- return(0);
-
- env_string = xmalloc(strlen(name) + strlen(value) + 2);
- sprintf(env_string, "%s=%s", name, value);
-
- result = putenv(env_string);
-
- xfree(env_string);
-
- return(result);
+#ifdef HAVE___PROGNAME
+ extern char *__progname;
+
+ return __progname;
+#else
+ char *p;
+
+ if (argv0 == NULL)
+ return "unknown"; /* XXX */
+ p = strrchr(argv0, '/');
+ if (p == NULL)
+ p = argv0;
+ else
+ p++;
+ return p;
+#endif
}
-#endif /* !HAVE_SETENV */
#ifndef HAVE_SETLOGIN
int setlogin(const char *name)
return(setreuid(-1,euid));
}
#endif /* !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) */
+
+#if !defined(HAVE_STRERROR) && defined(HAVE_SYS_ERRLIST) && defined(HAVE_SYS_NERR)
+const char *strerror(int e)
+{
+ extern int sys_nerr;
+ extern char *sys_errlist[];
+
+ if ((e >= 0) || (e < sys_nerr))
+ return("unlisted error");
+ else
+ return(sys_errlist[e]);
+}
+#endif
+
+#ifndef HAVE_UTIMES
+int utimes(char *filename, struct timeval *tvp)
+{
+ struct utimbuf ub;
+
+ ub.actime = tvp->tv_sec;
+ ub.modtime = tvp->tv_usec;
+
+ return(utime(filename, &ub));
+}
+#endif
andersk / openssh.git / blobdiff