- (djm) Merge all the openbsd/fake-* into fake-rfc2553.[ch]

This commit is contained in:
Damien Miller 2003-06-05 18:52:47 +10:00
parent b95bb7f9b1
commit c28e38d23a
12 changed files with 159 additions and 202 deletions

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@ -5,6 +5,7 @@
"SetUID demystified" - Hao Chen, David Wagner and Drew Dean
Proceedings of USENIX Security Symposium 2002
- (djm) Don't use xmalloc() or pull in toplevel headers in fake-* code
- (djm) Merge all the openbsd/fake-* into fake-rfc2553.[ch]
20030604
- (djm) Bug #573 - Remove unneeded Krb headers and compat goop. Patch from
@ -466,4 +467,4 @@
- Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.
Report from murple@murple.net, diagnosis from dtucker@zip.com.au
$Id: ChangeLog,v 1.2784 2003/06/05 00:04:12 djm Exp $
$Id: ChangeLog,v 1.2785 2003/06/05 08:52:48 djm Exp $

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@ -1,4 +1,4 @@
# $Id: Makefile.in,v 1.26 2003/05/15 02:27:08 djm Exp $
# $Id: Makefile.in,v 1.27 2003/06/05 08:52:48 djm Exp $
sysconfdir=@sysconfdir@
piddir=@piddir@
@ -18,7 +18,7 @@ LDFLAGS=-L. @LDFLAGS@
OPENBSD=base64.o basename.o bindresvport.o daemon.o dirname.o getcwd.o getgrouplist.o getopt.o getrrsetbyname.o glob.o inet_aton.o inet_ntoa.o inet_ntop.o mktemp.o readpassphrase.o realpath.o rresvport.o setenv.o setproctitle.o sigact.o strlcat.o strlcpy.o strmode.o strsep.o vis.o
COMPAT=bsd-arc4random.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-getaddrinfo.o fake-getnameinfo.o xmmap.o
COMPAT=bsd-arc4random.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o bsd-misc.o bsd-nextstep.o bsd-snprintf.o bsd-waitpid.o fake-rfc2553.o xmmap.o
PORTS=port-irix.o port-aix.o

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@ -1,19 +0,0 @@
/*
* fake library for ssh
*
* This file is included in getaddrinfo.c and getnameinfo.c.
* See getaddrinfo.c and getnameinfo.c.
*/
#ifndef _FAKE_GAI_ERRNOS_H
#define _FAKE_GAI_ERRNOS_H
/* $Id: fake-gai-errnos.h,v 1.3 2003/05/18 14:13:39 djm Exp $ */
/* for old netdb.h */
#ifndef EAI_NODATA
# define EAI_NODATA 1
# define EAI_MEMORY 2
#endif
#endif /* !_FAKE_GAI_ERRNOS_H */

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@ -1,42 +0,0 @@
/* $Id: fake-getaddrinfo.h,v 1.6 2003/06/05 00:04:12 djm Exp $ */
#ifndef _FAKE_GETADDRINFO_H
#define _FAKE_GETADDRINFO_H
#include "config.h"
#include "fake-gai-errnos.h"
#ifndef AI_PASSIVE
# define AI_PASSIVE (1)
# define AI_CANONNAME (1<<1)
# define AI_NUMERICHOST (1<<2)
#endif
#ifndef HAVE_STRUCT_ADDRINFO
struct addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_t ai_addrlen; /* length of ai_addr */
char *ai_canonname; /* canonical name for hostname */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
#endif /* !HAVE_STRUCT_ADDRINFO */
#ifndef HAVE_GETADDRINFO
int getaddrinfo(const char *, const char *,
const struct addrinfo *, struct addrinfo **);
#endif /* !HAVE_GETADDRINFO */
#ifndef HAVE_GAI_STRERROR
char *gai_strerror(int);
#endif /* !HAVE_GAI_STRERROR */
#ifndef HAVE_FREEADDRINFO
void freeaddrinfo(struct addrinfo *);
#endif /* !HAVE_FREEADDRINFO */
#endif /* _FAKE_GETADDRINFO_H */

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@ -1,52 +0,0 @@
/*
* fake library for ssh
*
* This file includes getnameinfo().
* These funtions are defined in rfc2133.
*
* But these functions are not implemented correctly. The minimum subset
* is implemented for ssh use only. For exapmle, this routine assumes
* that ai_family is AF_INET. Don't use it for another purpose.
*/
#include "includes.h"
#include "ssh.h"
RCSID("$Id: fake-getnameinfo.c,v 1.3 2003/05/18 14:13:39 djm Exp $");
#ifndef HAVE_GETNAMEINFO
int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
size_t hostlen, char *serv, size_t servlen, int flags)
{
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
struct hostent *hp;
char tmpserv[16];
if (serv != NULL) {
snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
if (strlcpy(serv, tmpserv, servlen) >= servlen)
return (EAI_MEMORY);
}
if (host != NULL) {
if (flags & NI_NUMERICHOST) {
if (strlcpy(host, inet_ntoa(sin->sin_addr),
hostlen) >= hostlen)
return (EAI_MEMORY);
else
return (0);
} else {
hp = gethostbyaddr((char *)&sin->sin_addr,
sizeof(struct in_addr), AF_INET);
if (hp == NULL)
return (EAI_NODATA);
if (strlcpy(host, hp->h_name, hostlen) >= hostlen)
return (EAI_MEMORY);
else
return (0);
}
}
return (0);
}
#endif /* !HAVE_GETNAMEINFO */

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@ -1,26 +0,0 @@
/* $Id: fake-getnameinfo.h,v 1.4 2003/06/04 23:48:33 djm Exp $ */
#ifndef _FAKE_GETNAMEINFO_H
#define _FAKE_GETNAMEINFO_H
#include "config.h"
#ifndef HAVE_GETNAMEINFO
int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
char *, size_t, int);
#endif /* !HAVE_GETNAMEINFO */
#ifndef NI_NUMERICHOST
# define NI_NUMERICHOST (1)
# define NI_NAMEREQD (1<<1)
# define NI_NUMERICSERV (1<<2)
#endif
#ifndef NI_MAXSERV
# define NI_MAXSERV 32
#endif /* !NI_MAXSERV */
#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif /* !NI_MAXHOST */
#endif /* _FAKE_GETNAMEINFO_H */

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@ -1,17 +1,49 @@
/*
* fake library for ssh
*
* This file includes getaddrinfo(), freeaddrinfo() and gai_strerror().
* These funtions are defined in rfc2133.
* Pseudo-implementation of RFC2553 name / address resolution functions
*
* But these functions are not implemented correctly. The minimum subset
* is implemented for ssh use only. For exapmle, this routine assumes
* that ai_family is AF_INET. Don't use it for another purpose.
*/
#include "includes.h"
RCSID("$Id: fake-rfc2553.c,v 1.1 2003/06/05 08:52:48 djm Exp $");
RCSID("$Id: fake-getaddrinfo.c,v 1.10 2003/06/05 00:04:12 djm Exp $");
#ifndef HAVE_GETNAMEINFO
int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
size_t hostlen, char *serv, size_t servlen, int flags)
{
struct sockaddr_in *sin = (struct sockaddr_in *)sa;
struct hostent *hp;
char tmpserv[16];
if (serv != NULL) {
snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
if (strlcpy(serv, tmpserv, servlen) >= servlen)
return (EAI_MEMORY);
}
if (host != NULL) {
if (flags & NI_NUMERICHOST) {
if (strlcpy(host, inet_ntoa(sin->sin_addr),
hostlen) >= hostlen)
return (EAI_MEMORY);
else
return (0);
} else {
hp = gethostbyaddr((char *)&sin->sin_addr,
sizeof(struct in_addr), AF_INET);
if (hp == NULL)
return (EAI_NODATA);
if (strlcpy(host, hp->h_name, hostlen) >= hostlen)
return (EAI_MEMORY);
else
return (0);
}
}
return (0);
}
#endif /* !HAVE_GETNAMEINFO */
#ifndef HAVE_GAI_STRERROR
char *

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@ -0,0 +1,115 @@
/*
* Pseudo-implementation of RFC2553 name / address resolution functions
*
* But these functions are not implemented correctly. The minimum subset
* is implemented for ssh use only. For exapmle, this routine assumes
* that ai_family is AF_INET. Don't use it for another purpose.
*/
/* $Id: fake-rfc2553.h,v 1.1 2003/06/05 08:52:48 djm Exp $ */
#ifndef _FAKE_RFC2553_H
#define _FAKE_RFC2553_H
#include "includes.h"
#include "sys/types.h"
/*
* First, socket and INET6 related definitions
*/
#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
# define _SS_MAXSIZE 128 /* Implementation specific max size */
# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
struct sockaddr_storage {
struct sockaddr ss_sa;
char __ss_pad2[_SS_PADSIZE];
};
# define ss_family ss_sa.sa_family
#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
#ifndef IN6_IS_ADDR_LOOPBACK
# define IN6_IS_ADDR_LOOPBACK(a) \
(((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
#endif /* !IN6_IS_ADDR_LOOPBACK */
#ifndef HAVE_STRUCT_IN6_ADDR
struct in6_addr {
u_int8_t s6_addr[16];
};
#endif /* !HAVE_STRUCT_IN6_ADDR */
#ifndef HAVE_STRUCT_SOCKADDR_IN6
struct sockaddr_in6 {
unsigned short sin6_family;
u_int16_t sin6_port;
u_int32_t sin6_flowinfo;
struct in6_addr sin6_addr;
};
#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
#ifndef AF_INET6
/* Define it to something that should never appear */
#define AF_INET6 AF_MAX
#endif
/*
* Next, RFC2553 name / address resolution API
*/
#ifndef NI_NUMERICHOST
# define NI_NUMERICHOST (1)
# define NI_NAMEREQD (1<<1)
# define NI_NUMERICSERV (1<<2)
#endif
#ifndef AI_PASSIVE
# define AI_PASSIVE (1)
# define AI_CANONNAME (1<<1)
# define AI_NUMERICHOST (1<<2)
#endif
#ifndef NI_MAXSERV
# define NI_MAXSERV 32
#endif /* !NI_MAXSERV */
#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif /* !NI_MAXHOST */
#ifndef EAI_NODATA
# define EAI_NODATA 1
# define EAI_MEMORY 2
#endif
#ifndef HAVE_STRUCT_ADDRINFO
struct addrinfo {
int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
int ai_family; /* PF_xxx */
int ai_socktype; /* SOCK_xxx */
int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
size_t ai_addrlen; /* length of ai_addr */
char *ai_canonname; /* canonical name for hostname */
struct sockaddr *ai_addr; /* binary address */
struct addrinfo *ai_next; /* next structure in linked list */
};
#endif /* !HAVE_STRUCT_ADDRINFO */
#ifndef HAVE_GETADDRINFO
int getaddrinfo(const char *, const char *,
const struct addrinfo *, struct addrinfo **);
#endif /* !HAVE_GETADDRINFO */
#ifndef HAVE_GAI_STRERROR
char *gai_strerror(int);
#endif /* !HAVE_GAI_STRERROR */
#ifndef HAVE_FREEADDRINFO
void freeaddrinfo(struct addrinfo *);
#endif /* !HAVE_FREEADDRINFO */
#ifndef HAVE_GETNAMEINFO
int getnameinfo(const struct sockaddr *, size_t, char *, size_t,
char *, size_t, int);
#endif /* !HAVE_GETNAMEINFO */
#endif /* !_FAKE_RFC2553_H */

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@ -1,48 +0,0 @@
/* $Id: fake-socket.h,v 1.4 2003/06/04 23:56:35 djm Exp $ */
#ifndef _FAKE_SOCKET_H
#define _FAKE_SOCKET_H
#include "includes.h"
#include "sys/types.h"
#ifndef HAVE_STRUCT_SOCKADDR_STORAGE
# define _SS_MAXSIZE 128 /* Implementation specific max size */
# define _SS_PADSIZE (_SS_MAXSIZE - sizeof (struct sockaddr))
struct sockaddr_storage {
struct sockaddr ss_sa;
char __ss_pad2[_SS_PADSIZE];
};
# define ss_family ss_sa.sa_family
#endif /* !HAVE_STRUCT_SOCKADDR_STORAGE */
#ifndef IN6_IS_ADDR_LOOPBACK
# define IN6_IS_ADDR_LOOPBACK(a) \
(((u_int32_t *)(a))[0] == 0 && ((u_int32_t *)(a))[1] == 0 && \
((u_int32_t *)(a))[2] == 0 && ((u_int32_t *)(a))[3] == htonl(1))
#endif /* !IN6_IS_ADDR_LOOPBACK */
#ifndef HAVE_STRUCT_IN6_ADDR
struct in6_addr {
u_int8_t s6_addr[16];
};
#endif /* !HAVE_STRUCT_IN6_ADDR */
#ifndef HAVE_STRUCT_SOCKADDR_IN6
struct sockaddr_in6 {
unsigned short sin6_family;
u_int16_t sin6_port;
u_int32_t sin6_flowinfo;
struct in6_addr sin6_addr;
};
#endif /* !HAVE_STRUCT_SOCKADDR_IN6 */
#ifndef AF_INET6
/* Define it to something that should never appear */
#define AF_INET6 AF_MAX
#endif
#endif /* !_FAKE_SOCKET_H */

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@ -31,7 +31,6 @@ static char rcsid[] = "$OpenBSD: inet_ntop.c,v 1.5 2002/08/23 16:27:31 itojun Ex
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include "openbsd-compat/fake-socket.h"
#include <netinet/in.h>
#include <arpa/inet.h>
#ifndef HAVE_CYGWIN

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@ -1,4 +1,4 @@
/* $Id: openbsd-compat.h,v 1.21 2003/05/15 02:27:08 djm Exp $ */
/* $Id: openbsd-compat.h,v 1.22 2003/06/05 08:52:48 djm Exp $ */
#ifndef _OPENBSD_H
#define _OPENBSD_H
@ -38,9 +38,7 @@
#include "bsd-waitpid.h"
/* rfc2553 socket API replacements */
#include "fake-getaddrinfo.h"
#include "fake-getnameinfo.h"
#include "fake-socket.h"
#include "fake-rfc2553.h"
/* Routines for a single OS platform */
#include "bsd-cray.h"

1
ssh.h
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@ -20,7 +20,6 @@
#include <stdarg.h> /* For va_list */
#include <syslog.h> /* For LOG_AUTH and friends */
#include <sys/socket.h> /* For struct sockaddr_storage */
#include "openbsd-compat/fake-socket.h" /* For struct sockaddr_storage */
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif