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and that is the last of the stock openssh 6.7 commits

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Greg Alexander 2014-12-21 17:39:07 -05:00
parent 19bc9f19f5
commit 53abe6d4e4
6 changed files with 886 additions and 0 deletions
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138
openssh/misc.h Normal file
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/* $OpenBSD: misc.h,v 1.54 2014/07/15 15:54:14 millert Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
#ifndef _MISC_H
#define _MISC_H
/* Data structure for representing a forwarding request. */
struct Forward {
char *listen_host; /* Host (address) to listen on. */
int listen_port; /* Port to forward. */
char *listen_path; /* Path to bind domain socket. */
char *connect_host; /* Host to connect. */
int connect_port; /* Port to connect on connect_host. */
char *connect_path; /* Path to connect domain socket. */
int allocated_port; /* Dynamically allocated listen port */
int handle; /* Handle for dynamic listen ports */
};
/* Common server and client forwarding options. */
struct ForwardOptions {
int gateway_ports; /* Allow remote connects to forwarded ports. */
mode_t streamlocal_bind_mask; /* umask for streamlocal binds */
int streamlocal_bind_unlink; /* unlink socket before bind */
};
/* misc.c */
char *chop(char *);
char *strdelim(char **);
int set_nonblock(int);
int unset_nonblock(int);
void set_nodelay(int);
int a2port(const char *);
int a2tun(const char *, int *);
char *put_host_port(const char *, u_short);
char *hpdelim(char **);
char *cleanhostname(char *);
char *colon(char *);
long convtime(const char *);
char *tilde_expand_filename(const char *, uid_t);
char *percent_expand(const char *, ...) __attribute__((__sentinel__));
char *tohex(const void *, size_t);
void sanitise_stdfd(void);
void ms_subtract_diff(struct timeval *, int *);
void ms_to_timeval(struct timeval *, int);
time_t monotime(void);
void lowercase(char *s);
int unix_listener(const char *, int, int);
void sock_set_v6only(int);
struct passwd *pwcopy(struct passwd *);
const char *ssh_gai_strerror(int);
typedef struct arglist arglist;
struct arglist {
char **list;
u_int num;
u_int nalloc;
};
void addargs(arglist *, char *, ...)
__attribute__((format(printf, 2, 3)));
void replacearg(arglist *, u_int, char *, ...)
__attribute__((format(printf, 3, 4)));
void freeargs(arglist *);
int tun_open(int, int);
/* Common definitions for ssh tunnel device forwarding */
#define SSH_TUNMODE_NO 0x00
#define SSH_TUNMODE_POINTOPOINT 0x01
#define SSH_TUNMODE_ETHERNET 0x02
#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)
#define SSH_TUNID_ANY 0x7fffffff
#define SSH_TUNID_ERR (SSH_TUNID_ANY - 1)
#define SSH_TUNID_MAX (SSH_TUNID_ANY - 2)
/* Fake port to indicate that host field is really a path. */
#define PORT_STREAMLOCAL -2
/* Functions to extract or store big-endian words of various sizes */
u_int64_t get_u64(const void *)
__attribute__((__bounded__( __minbytes__, 1, 8)));
u_int32_t get_u32(const void *)
__attribute__((__bounded__( __minbytes__, 1, 4)));
u_int16_t get_u16(const void *)
__attribute__((__bounded__( __minbytes__, 1, 2)));
void put_u64(void *, u_int64_t)
__attribute__((__bounded__( __minbytes__, 1, 8)));
void put_u32(void *, u_int32_t)
__attribute__((__bounded__( __minbytes__, 1, 4)));
void put_u16(void *, u_int16_t)
__attribute__((__bounded__( __minbytes__, 1, 2)));
/* Little-endian store/load, used by umac.c */
u_int32_t get_u32_le(const void *)
__attribute__((__bounded__(__minbytes__, 1, 4)));
void put_u32_le(void *, u_int32_t)
__attribute__((__bounded__(__minbytes__, 1, 4)));
struct bwlimit {
size_t buflen;
u_int64_t rate, thresh, lamt;
struct timeval bwstart, bwend;
};
void bandwidth_limit_init(struct bwlimit *, u_int64_t, size_t);
void bandwidth_limit(struct bwlimit *, size_t);
int parse_ipqos(const char *);
const char *iptos2str(int);
void mktemp_proto(char *, size_t);
/* readpass.c */
#define RP_ECHO 0x0001
#define RP_ALLOW_STDIN 0x0002
#define RP_ALLOW_EOF 0x0004
#define RP_USE_ASKPASS 0x0008
char *read_passphrase(const char *, int);
int ask_permission(const char *, ...) __attribute__((format(printf, 1, 2)));
int read_keyfile_line(FILE *, const char *, char *, size_t, u_long *);
#endif /* _MISC_H */

74
openssh/openbsd-compat/getopt.h Normal file
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/* $OpenBSD: getopt.h,v 1.2 2008/06/26 05:42:04 ray Exp $ */
/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Dieter Baron and Thomas Klausner.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _GETOPT_H_
#define _GETOPT_H_
/*
* GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions
*/
#define no_argument 0
#define required_argument 1
#define optional_argument 2
struct option {
/* name of long option */
const char *name;
/*
* one of no_argument, required_argument, and optional_argument:
* whether option takes an argument
*/
int has_arg;
/* if not NULL, set *flag to val when option found */
int *flag;
/* if flag not NULL, value to set *flag to; else return value */
int val;
};
int getopt_long(int, char * const *, const char *,
const struct option *, int *);
int getopt_long_only(int, char * const *, const char *,
const struct option *, int *);
#ifndef _GETOPT_DEFINED_
#define _GETOPT_DEFINED_
int getopt(int, char * const *, const char *);
int getsubopt(char **, char * const *, char **);
extern char *optarg; /* getopt(3) external variables */
extern int opterr;
extern int optind;
extern int optopt;
extern int optreset;
extern char *suboptarg; /* getsubopt(3) external variable */
#endif
#endif /* !_GETOPT_H_ */

148
openssh/openbsd-compat/strmode.c Normal file
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/* $OpenBSD: strmode.c,v 1.7 2005/08/08 08:05:37 espie Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
* 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.
* 3. 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.
*/
/* OPENBSD ORIGINAL: lib/libc/string/strmode.c */
#include "includes.h"
#ifndef HAVE_STRMODE
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
/* XXX mode should be mode_t */
void
strmode(int mode, char *p)
{
/* print type */
switch (mode & S_IFMT) {
case S_IFDIR: /* directory */
*p++ = 'd';
break;
case S_IFCHR: /* character special */
*p++ = 'c';
break;
case S_IFBLK: /* block special */
*p++ = 'b';
break;
case S_IFREG: /* regular */
*p++ = '-';
break;
case S_IFLNK: /* symbolic link */
*p++ = 'l';
break;
#ifdef S_IFSOCK
case S_IFSOCK: /* socket */
*p++ = 's';
break;
#endif
#ifdef S_IFIFO
case S_IFIFO: /* fifo */
*p++ = 'p';
break;
#endif
default: /* unknown */
*p++ = '?';
break;
}
/* usr */
if (mode & S_IRUSR)
*p++ = 'r';
else
*p++ = '-';
if (mode & S_IWUSR)
*p++ = 'w';
else
*p++ = '-';
switch (mode & (S_IXUSR | S_ISUID)) {
case 0:
*p++ = '-';
break;
case S_IXUSR:
*p++ = 'x';
break;
case S_ISUID:
*p++ = 'S';
break;
case S_IXUSR | S_ISUID:
*p++ = 's';
break;
}
/* group */
if (mode & S_IRGRP)
*p++ = 'r';
else
*p++ = '-';
if (mode & S_IWGRP)
*p++ = 'w';
else
*p++ = '-';
switch (mode & (S_IXGRP | S_ISGID)) {
case 0:
*p++ = '-';
break;
case S_IXGRP:
*p++ = 'x';
break;
case S_ISGID:
*p++ = 'S';
break;
case S_IXGRP | S_ISGID:
*p++ = 's';
break;
}
/* other */
if (mode & S_IROTH)
*p++ = 'r';
else
*p++ = '-';
if (mode & S_IWOTH)
*p++ = 'w';
else
*p++ = '-';
switch (mode & (S_IXOTH | S_ISVTX)) {
case 0:
*p++ = '-';
break;
case S_IXOTH:
*p++ = 'x';
break;
case S_ISVTX:
*p++ = 'T';
break;
case S_IXOTH | S_ISVTX:
*p++ = 't';
break;
}
*p++ = ' '; /* will be a '+' if ACL's implemented */
*p = '\0';
}
#endif

421
openssh/sshbuf-getput-basic.c Normal file
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/* $OpenBSD: sshbuf-getput-basic.c,v 1.1 2014/04/30 05:29:56 djm Exp $ */
/*
* Copyright (c) 2011 Damien Miller
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define SSHBUF_INTERNAL
#include "includes.h"
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "ssherr.h"
#include "sshbuf.h"
int
sshbuf_get(struct sshbuf *buf, void *v, size_t len)
{
const u_char *p = sshbuf_ptr(buf);
int r;
if ((r = sshbuf_consume(buf, len)) < 0)
return r;
if (v != NULL)
memcpy(v, p, len);
return 0;
}
int
sshbuf_get_u64(struct sshbuf *buf, u_int64_t *valp)
{
const u_char *p = sshbuf_ptr(buf);
int r;
if ((r = sshbuf_consume(buf, 8)) < 0)
return r;
if (valp != NULL)
*valp = PEEK_U64(p);
return 0;
}
int
sshbuf_get_u32(struct sshbuf *buf, u_int32_t *valp)
{
const u_char *p = sshbuf_ptr(buf);
int r;
if ((r = sshbuf_consume(buf, 4)) < 0)
return r;
if (valp != NULL)
*valp = PEEK_U32(p);
return 0;
}
int
sshbuf_get_u16(struct sshbuf *buf, u_int16_t *valp)
{
const u_char *p = sshbuf_ptr(buf);
int r;
if ((r = sshbuf_consume(buf, 2)) < 0)
return r;
if (valp != NULL)
*valp = PEEK_U16(p);
return 0;
}
int
sshbuf_get_u8(struct sshbuf *buf, u_char *valp)
{
const u_char *p = sshbuf_ptr(buf);
int r;
if ((r = sshbuf_consume(buf, 1)) < 0)
return r;
if (valp != NULL)
*valp = (u_int8_t)*p;
return 0;
}
int
sshbuf_get_string(struct sshbuf *buf, u_char **valp, size_t *lenp)
{
const u_char *val;
size_t len;
int r;
if (valp != NULL)
*valp = NULL;
if (lenp != NULL)
*lenp = 0;
if ((r = sshbuf_get_string_direct(buf, &val, &len)) < 0)
return r;
if (valp != NULL) {
if ((*valp = malloc(len + 1)) == NULL) {
SSHBUF_DBG(("SSH_ERR_ALLOC_FAIL"));
return SSH_ERR_ALLOC_FAIL;
}
memcpy(*valp, val, len);
(*valp)[len] = '\0';
}
if (lenp != NULL)
*lenp = len;
return 0;
}
int
sshbuf_get_string_direct(struct sshbuf *buf, const u_char **valp, size_t *lenp)
{
size_t len;
const u_char *p;
int r;
if (valp != NULL)
*valp = NULL;
if (lenp != NULL)
*lenp = 0;
if ((r = sshbuf_peek_string_direct(buf, &p, &len)) < 0)
return r;
if (valp != 0)
*valp = p;
if (lenp != NULL)
*lenp = len;
if (sshbuf_consume(buf, len + 4) != 0) {
/* Shouldn't happen */
SSHBUF_DBG(("SSH_ERR_INTERNAL_ERROR"));
SSHBUF_ABORT();
return SSH_ERR_INTERNAL_ERROR;
}
return 0;
}
int
sshbuf_peek_string_direct(const struct sshbuf *buf, const u_char **valp,
size_t *lenp)
{
u_int32_t len;
const u_char *p = sshbuf_ptr(buf);
if (valp != NULL)
*valp = NULL;
if (lenp != NULL)
*lenp = 0;
if (sshbuf_len(buf) < 4) {
SSHBUF_DBG(("SSH_ERR_MESSAGE_INCOMPLETE"));
return SSH_ERR_MESSAGE_INCOMPLETE;
}
len = PEEK_U32(p);
if (len > SSHBUF_SIZE_MAX - 4) {
SSHBUF_DBG(("SSH_ERR_STRING_TOO_LARGE"));
return SSH_ERR_STRING_TOO_LARGE;
}
if (sshbuf_len(buf) - 4 < len) {
SSHBUF_DBG(("SSH_ERR_MESSAGE_INCOMPLETE"));
return SSH_ERR_MESSAGE_INCOMPLETE;
}
if (valp != 0)
*valp = p + 4;
if (lenp != NULL)
*lenp = len;
return 0;
}
int
sshbuf_get_cstring(struct sshbuf *buf, char **valp, size_t *lenp)
{
size_t len;
const u_char *p, *z;
int r;
if (valp != NULL)
*valp = NULL;
if (lenp != NULL)
*lenp = 0;
if ((r = sshbuf_peek_string_direct(buf, &p, &len)) != 0)
return r;
/* Allow a \0 only at the end of the string */
if (len > 0 &&
(z = memchr(p , '\0', len)) != NULL && z < p + len - 1) {
SSHBUF_DBG(("SSH_ERR_INVALID_FORMAT"));
return SSH_ERR_INVALID_FORMAT;
}
if ((r = sshbuf_skip_string(buf)) != 0)
return -1;
if (valp != NULL) {
if ((*valp = malloc(len + 1)) == NULL) {
SSHBUF_DBG(("SSH_ERR_ALLOC_FAIL"));
return SSH_ERR_ALLOC_FAIL;
}
memcpy(*valp, p, len);
(*valp)[len] = '\0';
}
if (lenp != NULL)
*lenp = (size_t)len;
return 0;
}
int
sshbuf_get_stringb(struct sshbuf *buf, struct sshbuf *v)
{
u_int32_t len;
u_char *p;
int r;
/*
* Use sshbuf_peek_string_direct() to figure out if there is
* a complete string in 'buf' and copy the string directly
* into 'v'.
*/
if ((r = sshbuf_peek_string_direct(buf, NULL, NULL)) != 0 ||
(r = sshbuf_get_u32(buf, &len)) != 0 ||
(r = sshbuf_reserve(v, len, &p)) != 0 ||
(r = sshbuf_get(buf, p, len)) != 0)
return r;
return 0;
}
int
sshbuf_put(struct sshbuf *buf, const void *v, size_t len)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, len, &p)) < 0)
return r;
memcpy(p, v, len);
return 0;
}
int
sshbuf_putb(struct sshbuf *buf, const struct sshbuf *v)
{
return sshbuf_put(buf, sshbuf_ptr(v), sshbuf_len(v));
}
int
sshbuf_putf(struct sshbuf *buf, const char *fmt, ...)
{
va_list ap;
int r;
va_start(ap, fmt);
r = sshbuf_putfv(buf, fmt, ap);
va_end(ap);
return r;
}
int
sshbuf_putfv(struct sshbuf *buf, const char *fmt, va_list ap)
{
va_list ap2;
int r, len;
u_char *p;
va_copy(ap2, ap);
if ((len = vsnprintf(NULL, 0, fmt, ap2)) < 0) {
r = SSH_ERR_INVALID_ARGUMENT;
goto out;
}
if (len == 0) {
r = 0;
goto out; /* Nothing to do */
}
va_end(ap2);
va_copy(ap2, ap);
if ((r = sshbuf_reserve(buf, (size_t)len + 1, &p)) < 0)
goto out;
if ((r = vsnprintf((char *)p, len + 1, fmt, ap2)) != len) {
r = SSH_ERR_INTERNAL_ERROR;
goto out; /* Shouldn't happen */
}
/* Consume terminating \0 */
if ((r = sshbuf_consume_end(buf, 1)) != 0)
goto out;
r = 0;
out:
va_end(ap2);
return r;
}
int
sshbuf_put_u64(struct sshbuf *buf, u_int64_t val)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, 8, &p)) < 0)
return r;
POKE_U64(p, val);
return 0;
}
int
sshbuf_put_u32(struct sshbuf *buf, u_int32_t val)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, 4, &p)) < 0)
return r;
POKE_U32(p, val);
return 0;
}
int
sshbuf_put_u16(struct sshbuf *buf, u_int16_t val)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, 2, &p)) < 0)
return r;
POKE_U16(p, val);
return 0;
}
int
sshbuf_put_u8(struct sshbuf *buf, u_char val)
{
u_char *p;
int r;
if ((r = sshbuf_reserve(buf, 1, &p)) < 0)
return r;
p[0] = val;
return 0;
}
int
sshbuf_put_string(struct sshbuf *buf, const void *v, size_t len)
{
u_char *d;
int r;
if (len > SSHBUF_SIZE_MAX - 4) {
SSHBUF_DBG(("SSH_ERR_NO_BUFFER_SPACE"));
return SSH_ERR_NO_BUFFER_SPACE;
}
if ((r = sshbuf_reserve(buf, len + 4, &d)) < 0)
return r;
POKE_U32(d, len);
memcpy(d + 4, v, len);
return 0;
}
int
sshbuf_put_cstring(struct sshbuf *buf, const char *v)
{
return sshbuf_put_string(buf, (u_char *)v, strlen(v));
}
int
sshbuf_put_stringb(struct sshbuf *buf, const struct sshbuf *v)
{
return sshbuf_put_string(buf, sshbuf_ptr(v), sshbuf_len(v));
}
int
sshbuf_froms(struct sshbuf *buf, struct sshbuf **bufp)
{
const u_char *p;
size_t len;
struct sshbuf *ret;
int r;
if (buf == NULL || bufp == NULL)
return SSH_ERR_INVALID_ARGUMENT;
*bufp = NULL;
if ((r = sshbuf_peek_string_direct(buf, &p, &len)) != 0)
return r;
if ((ret = sshbuf_from(p, len)) == NULL)
return SSH_ERR_ALLOC_FAIL;
if ((r = sshbuf_consume(buf, len + 4)) != 0 || /* Shouldn't happen */
(r = sshbuf_set_parent(ret, buf)) != 0) {
sshbuf_free(ret);
return r;
}
*bufp = ret;
return 0;
}
int
sshbuf_put_bignum2_bytes(struct sshbuf *buf, const void *v, size_t len)
{
u_char *d;
const u_char *s = (const u_char *)v;
int r, prepend;
if (len > SSHBUF_SIZE_MAX - 5) {
SSHBUF_DBG(("SSH_ERR_NO_BUFFER_SPACE"));
return SSH_ERR_NO_BUFFER_SPACE;
}
/* Skip leading zero bytes */
for (; len > 0 && *s == 0; len--, s++)
;
/*
* If most significant bit is set then prepend a zero byte to
* avoid interpretation as a negative number.
*/
prepend = len > 0 && (s[0] & 0x80) != 0;
if ((r = sshbuf_reserve(buf, len + 4 + prepend, &d)) < 0)
return r;
POKE_U32(d, len + prepend);
if (prepend)
d[4] = 0;
memcpy(d + 4 + prepend, s, len);
return 0;
}

80
openssh/ssherr.h Normal file
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/* $OpenBSD: ssherr.h,v 1.1 2014/04/30 05:29:56 djm Exp $ */
/*
* Copyright (c) 2011 Damien Miller
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SSHERR_H
#define _SSHERR_H
/* XXX are these too granular? not granular enough? I can't decide - djm */
/* Error codes */
#define SSH_ERR_SUCCESS 0
#define SSH_ERR_INTERNAL_ERROR -1
#define SSH_ERR_ALLOC_FAIL -2
#define SSH_ERR_MESSAGE_INCOMPLETE -3
#define SSH_ERR_INVALID_FORMAT -4
#define SSH_ERR_BIGNUM_IS_NEGATIVE -5
#define SSH_ERR_STRING_TOO_LARGE -6
#define SSH_ERR_BIGNUM_TOO_LARGE -7
#define SSH_ERR_ECPOINT_TOO_LARGE -8
#define SSH_ERR_NO_BUFFER_SPACE -9
#define SSH_ERR_INVALID_ARGUMENT -10
#define SSH_ERR_KEY_BITS_MISMATCH -11
#define SSH_ERR_EC_CURVE_INVALID -12
#define SSH_ERR_KEY_TYPE_MISMATCH -13
#define SSH_ERR_KEY_TYPE_UNKNOWN -14 /* XXX UNSUPPORTED? */
#define SSH_ERR_EC_CURVE_MISMATCH -15
#define SSH_ERR_EXPECTED_CERT -16
#define SSH_ERR_KEY_LACKS_CERTBLOB -17
#define SSH_ERR_KEY_CERT_UNKNOWN_TYPE -18
#define SSH_ERR_KEY_CERT_INVALID_SIGN_KEY -19
#define SSH_ERR_KEY_INVALID_EC_VALUE -20
#define SSH_ERR_SIGNATURE_INVALID -21
#define SSH_ERR_LIBCRYPTO_ERROR -22
#define SSH_ERR_UNEXPECTED_TRAILING_DATA -23
#define SSH_ERR_SYSTEM_ERROR -24
#define SSH_ERR_KEY_CERT_INVALID -25
#define SSH_ERR_AGENT_COMMUNICATION -26
#define SSH_ERR_AGENT_FAILURE -27
#define SSH_ERR_DH_GEX_OUT_OF_RANGE -28
#define SSH_ERR_DISCONNECTED -29
#define SSH_ERR_MAC_INVALID -30
#define SSH_ERR_NO_CIPHER_ALG_MATCH -31
#define SSH_ERR_NO_MAC_ALG_MATCH -32
#define SSH_ERR_NO_COMPRESS_ALG_MATCH -33
#define SSH_ERR_NO_KEX_ALG_MATCH -34
#define SSH_ERR_NO_HOSTKEY_ALG_MATCH -35
#define SSH_ERR_NO_HOSTKEY_LOADED -36
#define SSH_ERR_PROTOCOL_MISMATCH -37
#define SSH_ERR_NO_PROTOCOL_VERSION -38
#define SSH_ERR_NEED_REKEY -39
#define SSH_ERR_PASSPHRASE_TOO_SHORT -40
#define SSH_ERR_FILE_CHANGED -41
#define SSH_ERR_KEY_UNKNOWN_CIPHER -42
#define SSH_ERR_KEY_WRONG_PASSPHRASE -43
#define SSH_ERR_KEY_BAD_PERMISSIONS -44
#define SSH_ERR_KEY_CERT_MISMATCH -45
#define SSH_ERR_KEY_NOT_FOUND -46
#define SSH_ERR_AGENT_NOT_PRESENT -47
#define SSH_ERR_AGENT_NO_IDENTITIES -48
#define SSH_ERR_BUFFER_READ_ONLY -49
#define SSH_ERR_KRL_BAD_MAGIC -50
#define SSH_ERR_KEY_REVOKED -51
/* Translate a numeric error code to a human-readable error string */
const char *ssh_err(int n);
#endif /* _SSHERR_H */

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openssh/xmalloc.h Normal file
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/* $OpenBSD: xmalloc.h,v 1.14 2013/05/17 00:13:14 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* Created: Mon Mar 20 22:09:17 1995 ylo
*
* Versions of malloc and friends that check their results, and never return
* failure (they call fatal if they encounter an error).
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
void *xmalloc(size_t);
void *xcalloc(size_t, size_t);
void *xrealloc(void *, size_t, size_t);
char *xstrdup(const char *);
int xasprintf(char **, const char *, ...)
__attribute__((__format__ (printf, 2, 3)))
__attribute__((__nonnull__ (2)));