diff options
Diffstat (limited to 'nx-X11/programs/nxauth/gethost.c')
| -rw-r--r-- | nx-X11/programs/nxauth/gethost.c | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/nx-X11/programs/nxauth/gethost.c b/nx-X11/programs/nxauth/gethost.c deleted file mode 100644 index fa889f29b..000000000 --- a/nx-X11/programs/nxauth/gethost.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * $Xorg: gethost.c,v 1.5 2001/02/09 02:05:38 xorgcvs Exp $ - * - * -Copyright 1989, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 THE -OPEN GROUP 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 The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - * * - * Author: Jim Fulton, MIT X Consortium - */ - -/* $XFree86: xc/programs/xauth/gethost.c,v 3.16 2001/12/14 20:01:14 dawes Exp $ */ - -/* sorry, streams support does not really work yet */ -#if defined(STREAMSCONN) && defined(SVR4) -#undef STREAMSCONN -#define TCPCONN -#endif - -#ifdef WIN32 -#include <nx-X11/Xwinsock.h> -#define EPROTOTYPE WSAEPROTOTYPE -#endif -#include <nx-X11/X.h> -#include <signal.h> -#include <setjmp.h> -#include <ctype.h> -#ifndef __TYPES__ -#include <sys/types.h> -#define __TYPES__ -#endif -#ifndef WIN32 -#ifndef STREAMSCONN -#ifndef Lynx -#include <sys/socket.h> -#else -#include <socket.h> -#endif -#include <netdb.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#ifdef SYSV -#ifdef i386 -#ifndef sco -#include <net/errno.h> -#endif /* !sco */ -#endif /* i386 */ -#endif /* SYSV */ -#endif /* !STREAMSCONN */ -#endif /* !WIN32 */ -#include <errno.h> -#include "xauth.h" - -#ifdef DNETCONN -#include <netdnet/dn.h> -#include <netdnet/dnetdb.h> -#endif - -#ifdef SIGALRM -Bool nameserver_timedout = False; - - -/* - * get_hostname - Given an internet address, return a name (CHARON.MIT.EDU) - * or a string representing the address (18.58.0.13) if the name cannot - * be found. Stolen from xhost. - */ - -static jmp_buf env; -static -#ifdef SIGNALRETURNSINT -int -#else -void -#endif -nameserver_lost(int sig) -{ - nameserver_timedout = True; - longjmp (env, -1); - /* NOTREACHED */ -#ifdef SIGNALRETURNSINT - return -1; /* for picky compilers */ -#endif -} -#endif - -char * -get_hostname (auth) - Xauth *auth; -{ - static struct hostent *hp = NULL; -#ifdef DNETCONN - struct nodeent *np; - static char nodeaddr[4 + 2 * DN_MAXADDL]; -#endif /* DNETCONN */ - - if (auth->address_length == 0) - return "Illegal Address"; -#ifdef TCPCONN - if (auth->family == FamilyInternet) { -#ifdef SIGALRM - /* gethostbyaddr can take a LONG time if the host does not exist. - Assume that if it does not respond in NAMESERVER_TIMEOUT seconds - that something is wrong and do not make the user wait. - gethostbyaddr will continue after a signal, so we have to - jump out of it. - */ - nameserver_timedout = False; - signal (SIGALRM, nameserver_lost); - alarm (4); - if (setjmp(env) == 0) { -#endif - hp = gethostbyaddr (auth->address, auth->address_length, AF_INET); -#ifdef SIGALRM - } - alarm (0); -#endif - if (hp) - return (hp->h_name); - else - return (inet_ntoa(*((struct in_addr *)(auth->address)))); - } -#endif -#ifdef DNETCONN - if (auth->family == FamilyDECnet) { - struct dn_naddr *addr_ptr = (struct dn_naddr *) auth->address; - - if (np = getnodebyaddr(addr_ptr->a_addr, addr_ptr->a_len, AF_DECnet)) { - sprintf(nodeaddr, "%s:", np->n_name); - } else { - sprintf(nodeaddr, "%s:", dnet_htoa(auth->address)); - } - return(nodeaddr); - } -#endif - - return (NULL); -} - -#ifdef TCPCONN -/* - * cribbed from lib/X/XConnDis.c - */ -static Bool -get_inet_address(char *name, unsigned int *resultp) -{ - unsigned int hostinetaddr = inet_addr (name); - struct hostent *host_ptr; - struct sockaddr_in inaddr; /* dummy variable for size calcs */ - -#ifndef INADDR_NONE -#define INADDR_NONE -1 -#endif - - if (hostinetaddr == INADDR_NONE) { - if ((host_ptr = gethostbyname (name)) == NULL) { - /* No such host! */ - errno = EINVAL; - return False; - } - /* Check the address type for an internet host. */ - if (host_ptr->h_addrtype != AF_INET) { - /* Not an Internet host! */ - errno = EPROTOTYPE; - return False; - } - - memmove( (char *)&hostinetaddr, (char *)host_ptr->h_addr, - sizeof(inaddr.sin_addr)); - } - *resultp = hostinetaddr; - return True; -} -#endif - -#ifdef DNETCONN -static Bool get_dnet_address (name, resultp) - char *name; - struct dn_naddr *resultp; -{ - struct dn_naddr *dnaddrp, dnaddr; - struct nodeent *np; - - if (dnaddrp = dnet_addr (name)) { /* stolen from xhost */ - dnaddr = *dnaddrp; - } else { - if ((np = getnodebyname (name)) == NULL) return False; - dnaddr.a_len = np->n_length; - memmove( dnaddr.a_addr, np->n_addr, np->n_length); - } - *resultp = dnaddr; - return True; -} -#endif - -char *get_address_info (family, fulldpyname, prefix, host, lenp) - int family; - char *fulldpyname; - int prefix; - char *host; - int *lenp; -{ - char *retval = NULL; - int len = 0; - char *src = NULL; -#ifdef TCPCONN - unsigned int hostinetaddr; -#endif -#ifdef DNETCONN - struct dn_naddr dnaddr; -#endif - char buf[255]; - - /* - * based on the family, set the pointer src to the start of the address - * information to be copied and set len to the number of bytes. - */ - switch (family) { - case FamilyLocal: /* hostname/unix:0 */ - /* handle unix:0 and :0 specially */ - if (prefix == 0 && (strncmp (fulldpyname, "unix:", 5) == 0 || - fulldpyname[0] == ':')) { - - if (!get_local_hostname (buf, sizeof buf)) { - len = 0; - } else { - src = buf; - len = strlen (buf); - } - } else { - src = fulldpyname; - len = prefix; - } - break; - case FamilyInternet: /* host:0 */ -#ifdef TCPCONN - if (!get_inet_address (host, &hostinetaddr)) return NULL; - src = (char *) &hostinetaddr; - len = 4; /* sizeof inaddr.sin_addr, would fail on Cray */ - break; -#else - return NULL; -#endif - case FamilyDECnet: /* host::0 */ -#ifdef DNETCONN - if (!get_dnet_address (host, &dnaddr)) return NULL; - src = (char *) &dnaddr; - len = (sizeof dnaddr); - break; -#else - /* fall through since we don't have code for it */ -#endif - default: - src = NULL; - len = 0; - } - - /* - * if source was provided, allocate space and copy it - */ - if (len == 0 || !src) return NULL; - - retval = malloc (len); - if (retval) { - memmove( retval, src, len); - *lenp = len; - } - return retval; -} |