diff options
Diffstat (limited to 'nx-X11/lib/dps/csconndi.c')
| -rw-r--r-- | nx-X11/lib/dps/csconndi.c | 839 |
1 files changed, 0 insertions, 839 deletions
diff --git a/nx-X11/lib/dps/csconndi.c b/nx-X11/lib/dps/csconndi.c deleted file mode 100644 index 64205f8dc..000000000 --- a/nx-X11/lib/dps/csconndi.c +++ /dev/null @@ -1,839 +0,0 @@ -/* - * csconndi.c -- low level connection maker for CSDPS - * - * (c) Copyright 1990-1994 Adobe Systems Incorporated. - * All rights reserved. - * - * Permission to use, copy, modify, distribute, and sublicense this software - * and its documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notices appear in all copies and that - * both those copyright notices and this permission notice appear in - * supporting documentation and that the name of Adobe Systems Incorporated - * not be used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. No trademark license - * to use the Adobe trademarks is hereby granted. If the Adobe trademark - * "Display PostScript"(tm) is used to describe this software, its - * functionality or for any other purpose, such use shall be limited to a - * statement that this software works in conjunction with the Display - * PostScript system. Proper trademark attribution to reflect Adobe's - * ownership of the trademark shall be given whenever any such reference to - * the Display PostScript system is made. - * - * ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR - * ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY. - * ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON- INFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL ADOBE BE LIABLE - * TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER WHETHER IN AN ACTION OF CONTRACT, - * NEGLIGENCE, STRICT LIABILITY OR ANY OTHER ACTION ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ADOBE WILL NOT - * PROVIDE ANY TRAINING OR OTHER SUPPORT FOR THE SOFTWARE. - * - * Adobe, PostScript, and Display PostScript are trademarks of Adobe Systems - * Incorporated which may be registered in certain jurisdictions - * - * Portions Copyright 1989 Massachusetts Institute of Technology - * - * 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, and that the name of M.I.T. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. M.I.T. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * Author: Adobe Systems Incorporated and MIT X Consortium - */ -/* $XFree86: xc/lib/dps/csconndi.c,v 1.11tsi Exp $ */ - -#if defined(sun) && !defined(SVR4) -#define memmove(t,f,c) bcopy(f,t,c) -#endif - -#define NEED_EVENTS - -#include <stdio.h> -#include <stdlib.h> -#include <X11/Xos.h> -/* Include this first so that Xasync.h, included from Xlibint.h, can find - the definition of NOFILE */ -#include <sys/param.h> -#include <X11/Xlibint.h> -#include "Xlibnet.h" /* New for R5, delete for R4 */ -#include <arpa/inet.h> - -#ifndef hpux /* HP doesn't include Xauth.h :-( */ -#include <X11/Xauth.h> -#else -#define FamilyLocal (256) -#endif - -#include <ctype.h> -#ifdef DNETCONN -#include <netdnet/dn.h> -#include <netdnet/dnetdb.h> -#endif - -#include <netdb.h> - -#include "DPSCAPproto.h" -#include "cslibint.h" -#include "dpsassert.h" - -#if defined(hpux) || defined(AIXV3) -#define SELECT_TYPE int * -#else -#define SELECT_TYPE fd_set * -#endif - -#ifndef _XANYSET -#define _XANYSET N_XANYSET -#endif /* _XANYSET */ - -#ifndef X_CONNECTION_RETRIES /* number retries on ECONNREFUSED */ -#define X_CONNECTION_RETRIES 5 -#endif - -#define CONN_PARAMS char *, int , int , int *, int *, char ** - -#ifdef DNETCONN -static int MakeDECnetConnection(CONN_PARAMS); -#endif -#ifdef UNIXCONN -static int MakeUNIXSocketConnection(CONN_PARAMS); -#endif -#ifdef TCPCONN -static int MakeTCPConnection(CONN_PARAMS); -#endif -#ifdef STREAMSCONN -extern int _XMakeStreamsConnection(CONN_PARAMS); -#endif - -/* This global controls the size of the output socket buffer. Zero - means to use the system default size. */ -int gNXSndBufSize = 0; - -static char *copystring (char *src, int len) -{ - char *dst = Xmalloc (len + 1); - - if (dst) { - strncpy (dst, src, len); - dst[len] = '\0'; - } - - return dst; -} - - -/* - * Attempts to connect to agent, given name. Returns file descriptor - * (network socket) or -1 if connection fails. Names may be of the - * following format: - * - * [hostname] : [:] agentnumber - * - * The second colon indicates a DECnet style name. No hostname is interpretted - * as the most efficient local connection to a server on the same machine. - * This is usually: - * - * o shared memory - * o local stream - * o UNIX domain socket - * o TCP to local host - */ - -int -DPSCAPConnect( - char *display_name, - char **fullnamep, /* RETURN */ - int *dpynump, /* RETURN */ - int *familyp, /* RETURN */ - int *saddrlenp, /* RETURN */ - char **saddrp) /* RETURN, freed by caller */ -{ - char *lastp, *p; /* char pointers */ - char *phostname = NULL; /* start of host of display */ - char *pdpynum = NULL; /* start of dpynum of display */ - char *pscrnum = NULL; /* start of screen of display */ - Bool dnet = False; /* if true, then DECnet format */ - int iagent; /* required display number */ - int (*connfunc)(CONN_PARAMS); /* method to create connection */ - int fd = -1; /* file descriptor to return */ - int len; /* length tmp variable */ - - p = display_name; - - *saddrlenp = 0; /* set so that we can clear later */ - *saddrp = NULL; - - /* - * Step 1, find the hostname. This is delimited by the required - * first colon. - */ - for (lastp = p; *p && *p != ':'; p++) ; - if (!*p) return -1; /* must have a colon */ - - if (p != lastp) { /* no hostname given */ - phostname = copystring (lastp, p - lastp); - if (!phostname) goto bad; /* no memory */ - } - - - /* - * Step 2, see if this is a DECnet address by looking for the optional - * second colon. - */ - if (p[1] == ':') { /* then DECnet format */ - dnet = True; - p++; - } - - /* - * see if we're allowed to have a DECnet address - */ -#ifndef DNETCONN - if (dnet) goto bad; -#endif - - - /* - * Step 3, find the port number. This field is required. - * Zero is acceptable as a port number, meaning use the default. - */ - - for (lastp = ++p; *p && isascii(*p) && isdigit(*p); p++) ; - if ((p == lastp) || /* required field */ - (*p != '\0' && *p != '.') || /* invalid non-digit terminator */ - !(pdpynum = copystring (lastp, p - lastp))) /* no memory */ - goto bad; - iagent = atoi (pdpynum); - - - /* - * At this point, we know the following information: - * - * phostname hostname string or NULL - * iagent agent port number - * dnet DECnet boolean - * - * We can now decide which transport to use based on the ConnectionFlags - * build parameter the hostname string. If phostname is NULL or equals - * the string "local", then choose the best transport. If phostname - * is "unix", then choose BSD UNIX domain sockets (if configured). - * - * First, choose default transports: DECnet else (TCP or STREAMS) - */ - - -#ifdef DNETCONN - if (dnet) - connfunc = MakeDECnetConnection; - else -#endif -#ifdef TCPCONN - connfunc = MakeTCPConnection; -#else -#ifdef STREAMSCONN - connfunc = _XMakeStreamsConnection; -#else - connfunc = NULL; -#endif -#endif - -#ifdef UNIXCONN - /* - * Now that the defaults have been established, see if we have any - * special names that we have to override: - * - * :N => if UNIXCONN then unix-domain-socket - * ::N => if UNIXCONN then unix-domain-socket - * unix:N => if UNIXCONN then unix-domain-socket - * - * Note that if UNIXCONN isn't defined, then we can use the default - * transport connection function set above. - */ - if (!phostname) { - connfunc = MakeUNIXSocketConnection; - } - else if (strcmp (phostname, "unix") == 0) { - connfunc = MakeUNIXSocketConnection; - } -#endif - if (!connfunc) - goto bad; - - -#ifdef UNIXCONN -#define LOCALCONNECTION (!phostname || connfunc == MakeUNIXSocketConnection) -#else -#define LOCALCONNECTION (!phostname) -#endif - - if (LOCALCONNECTION) { - /* - * Get the auth info for local hosts so that it doesn't have to be - * repeated everywhere; the particular values in these fields are - * not part of the protocol. - */ - char hostnamebuf[256]; - int len = N_XGetHostname (hostnamebuf, sizeof hostnamebuf); - - *familyp = FamilyLocal; - if (len > 0) { - *saddrp = Xmalloc (len + 1); - if (*saddrp) { - strcpy (*saddrp, hostnamebuf); - *saddrlenp = len; - } else { - *saddrlenp = 0; - } - } - } -#undef LOCALCONNECTION - -#ifndef ultrix - /* Ultrix has a nasty bug in getservbyname(); if the name passed to - it is not in the services list it seg faults! *sigh* So, we - don't ever look in the services info for ultrix... */ - if (iagent == 0) { /* find service default, if one's defined */ - struct servent *serventInfo; - - if ((serventInfo = getservbyname(DPS_NX_SERV_NAME, - (char *) NULL)) != NULL) { - if (strcmp("tcp", serventInfo->s_proto) != 0) { - DPSWarnProc(NULL, "Services database specifies a protocol other than tcp. Using default port.\n"); - } else /* extract the port number */ - iagent = ntohs(serventInfo->s_port); - } - } -#endif /* ultrix */ - /* - * Make the connection, also need to get the auth address info for - * non-local connections. Do retries in case server host has hit its - * backlog (which, unfortunately, isn't distinguishable from there not - * being a server listening at all, which is why we have to not retry - * too many times). - */ - if ((fd = (*connfunc) (phostname, iagent, X_CONNECTION_RETRIES, - familyp, saddrlenp, saddrp)) < 0) - goto bad; - - - /* - * Set the connection non-blocking since we use select() to block; also - * set close-on-exec so that programs that fork() doesn't get confused. - */ -#ifdef FIOSNBIO - { - int arg = 1; - ioctl (fd, FIOSNBIO, &arg); - } -#else -#if defined(O_NONBLOCK) - (void) fcntl (fd, F_SETFL, O_NONBLOCK); -#elif defined(FNDELAY) - (void) fcntl (fd, F_SETFL, FNDELAY); -#else - (void) fcntl (fd, F_SETFL, O_NDELAY); -#endif /* O_NONBLOCK/FNDELAY */ -#endif /* FIOSNBIO */ - - (void) fcntl (fd, F_SETFD, 1); - - - /* - * Build the expanded display name: - * - * [host] : [:] agent \0 - */ - len = ((phostname ? strlen(phostname) : 0) + 1 + (dnet ? 1 : 0) + - strlen(pdpynum) + 1); - *fullnamep = (char *) Xmalloc (len); - if (!*fullnamep) goto bad; - - sprintf (*fullnamep, "%s%s%d", - (phostname ? phostname : ""), (dnet ? "::" : ":"), - iagent); - - *dpynump = iagent; - if (phostname) Xfree (phostname); - if (pdpynum) Xfree (pdpynum); - if (pscrnum) Xfree (pscrnum); - return fd; - - - /* - * error return; make sure everything is cleaned up. - */ - bad: - if (fd >= 0) (void) close (fd); - if (*saddrp) { - Xfree (*saddrp); - *saddrp = NULL; - } - *saddrlenp = 0; - if (phostname) Xfree (phostname); - if (pdpynum) Xfree (pdpynum); - return -1; - -} - - -/***************************************************************************** - * * - * Make Connection Routines * - * * - *****************************************************************************/ - -#ifdef DNETCONN /* stupid makedepend */ -#define NEED_BSDISH -#endif -#ifdef UNIXCONN -#define NEED_BSDISH -#endif -#ifdef TCPCONN -#define NEED_BSDISH -#endif - -#ifdef NEED_BSDISH /* makedepend can't handle #if */ -/* - * 4.2bsd-based systems - */ -#include <sys/socket.h> - -#ifndef hpux -#ifdef apollo /* nest if(n)defs because makedepend is broken */ -#ifndef NO_TCP_H -#include <netinet/tcp.h> -#endif /* NO_TCP_H */ -#else /* apollo */ -#include <netinet/tcp.h> -#endif /* apollo */ -#endif -#endif /* NEED_BSDISH */ - - -#ifdef DNETCONN -static int MakeDECnetConnection (phostname, iagent, retries, - familyp, saddrlenp, saddrp) - char *phostname; - int iagent; - int retries; - int *familyp; /* RETURN */ - int *saddrlenp; /* RETURN */ - char **saddrp; /* RETURN */ -{ - int fd; - char objname[20]; - extern int dnet_conn(); - struct dn_naddr *dnaddrp, dnaddr; - struct nodeent *np; - - if (!phostname) phostname = "0"; - - /* - * build the target object name. - */ - sprintf (objname, "DPS$EXECUTIVE_%d", iagent); - - /* - * Attempt to open the DECnet connection, return -1 if fails; ought to - * do some retries here.... - */ - if ((fd = dnet_conn (phostname, objname, SOCK_STREAM, 0, 0, 0, 0)) < 0) { - return -1; - } - - *familyp = FamilyDECnet; - if (dnaddrp = dnet_addr (phostname)) { /* stolen from xhost */ - dnaddr = *dnaddrp; - } else { - if ((np = getnodebyname (phostname)) == NULL) { - (void) close (fd); - return -1; - } - dnaddr.a_len = np->n_length; - memmove(dnaddr.a_addr, np->n_addr, np->n_length); - } - - *saddrlenp = sizeof (struct dn_naddr); - *saddrp = Xmalloc (*saddrlenp); - if (!*saddrp) { - (void) close (fd); - return -1; - } - memmove (*saddrp, (char *)&dnaddr, *saddrlenp); - return fd; -} -#endif /* DNETCONN */ - - -#ifdef UNIXCONN - -#ifndef X_NO_SYS_UN -#include <sys/un.h> -#endif - -#ifndef CSDPS_UNIX_PATH -#ifdef hpux -#define CSDPS_UNIX_DIR "/usr/spool/sockets/DPSNX" -#define CSDPS_UNIX_PATH "/usr/spool/sockets/DPSNX/" -#else -#define CSDPS_UNIX_DIR "/tmp/.DPSNX-unix" -#define CSDPS_UNIX_PATH "/tmp/.DPSNX-unix/AGENT" -#endif -#endif - -static int MakeUNIXSocketConnection ( - char *phostname, - int iagent, - int retries, - int *familyp, /* RETURN */ - int *saddrlenp, /* RETURN */ - char **saddrp) /* RETURN */ -{ - struct sockaddr_un unaddr; /* UNIX socket data block */ - struct sockaddr *addr; /* generic socket pointer */ - int addrlen; /* length of addr */ - int fd; /* socket file descriptor */ - int port = (iagent == 0) ? CSDPSPORT : iagent; - - unaddr.sun_family = AF_UNIX; - sprintf (unaddr.sun_path, "%s_%d", CSDPS_UNIX_PATH, port); - - addr = (struct sockaddr *) &unaddr; - addrlen = strlen(unaddr.sun_path) + sizeof(unaddr.sun_family); - - /* - * Open the network connection. - */ - do { - if ((fd = socket ((int) addr->sa_family, SOCK_STREAM, 0)) < 0) { - return -1; - } - - if (gNXSndBufSize > 0) - setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (char *) &gNXSndBufSize, sizeof(gNXSndBufSize)); - - if (connect (fd, addr, addrlen) < 0) { - int olderrno = errno; - (void) close (fd); - if (olderrno != ENOENT || retries <= 0) { - errno = olderrno; - return -1; - } - sleep (1); - } else { - break; - } - } while (retries-- > 0); - - /* - * Don't need to get auth info since we're local - */ - return fd; -} -#endif /* UNIXCONN */ - - -#ifdef TCPCONN -static int MakeTCPConnection ( - char *phostname, - int iagent, - int retries, - int *familyp, /* RETURN */ - int *saddrlenp, /* RETURN */ - char **saddrp) /* RETURN */ -{ - char hostnamebuf[256]; /* tmp space */ - unsigned long hostinetaddr; /* result of inet_addr of arpa addr */ - struct sockaddr_in inaddr; /* IP socket */ - struct sockaddr *addr; /* generic socket pointer */ - int addrlen; /* length of addr */ - struct hostent *hp; /* entry in hosts table */ - char *cp; /* character pointer iterator */ - int fd; /* file descriptor to return */ - int len; /* length tmp variable */ - -#define INVALID_INETADDR ((unsigned long) -1) - - if (!phostname) { - hostnamebuf[0] = '\0'; - (void) N_XGetHostname (hostnamebuf, sizeof hostnamebuf); - phostname = hostnamebuf; - } - - /* - * if numeric host name then try to parse it as such; do the number - * first because some systems return garbage instead of INVALID_INETADDR - */ - if (isascii(phostname[0]) && isdigit(phostname[0])) { - hostinetaddr = inet_addr (phostname); - } else { - hostinetaddr = INVALID_INETADDR; - } - - /* - * try numeric - */ - if (hostinetaddr == INVALID_INETADDR) { - if ((hp = gethostbyname(phostname)) == NULL) { - /* No such host! */ - return -1; - } - if (hp->h_addrtype != AF_INET) { /* is IP host? */ - /* Not an Internet host! */ - return -1; - } - - /* Set up the socket data. */ - inaddr.sin_family = hp->h_addrtype; -#if defined(CRAY) && defined(OLDTCP) - /* Only Cray UNICOS3 and UNICOS4 will define this */ - { - long t; - memmove ((char *)&t, (char *)hp->h_addr, sizeof(t)); - inaddr.sin_addr = t; - } -#else - memmove ((char *)&inaddr.sin_addr, (char *)hp->h_addr, - sizeof(inaddr.sin_addr)); -#endif /* CRAY and OLDTCP */ - } else { -#if defined(CRAY) && defined(OLDTCP) - /* Only Cray UNICOS3 and UNICOS4 will define this */ - inaddr.sin_addr = hostinetaddr; -#else - inaddr.sin_addr.s_addr = hostinetaddr; -#endif /* CRAY and OLDTCP */ - inaddr.sin_family = AF_INET; - } - - addr = (struct sockaddr *) &inaddr; - addrlen = sizeof (struct sockaddr_in); - inaddr.sin_port = (iagent == 0) ? CSDPSPORT : iagent; - inaddr.sin_port = htons (inaddr.sin_port); /* may be funky macro */ - - - /* - * Open the network connection. - */ - do { - if ((fd = socket ((int) addr->sa_family, SOCK_STREAM, 0)) < 0) { - return -1; - } - - /* - * turn off TCP coalescence - */ -#ifdef TCP_NODELAY - { - int tmp = 1; - setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, (char *)&tmp, sizeof (int)); - } -#endif - if (gNXSndBufSize > 0) - len = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (char *) &gNXSndBufSize, sizeof(gNXSndBufSize)); - - /* - * connect to the socket; if there is no X server or if the backlog has - * been reached, then ECONNREFUSED will be returned. - */ - if (connect (fd, addr, addrlen) < 0) { - int olderrno = errno; - (void) close (fd); - if (olderrno != ECONNREFUSED || retries <= 0) { - errno = olderrno; - return -1; - } - sleep (1); - } else { - break; - } - } while (retries-- > 0); - - - /* - * Success! So, save the auth information - */ -#ifdef CRAY -#ifdef OLDTCP - len = sizeof(inaddr.sin_addr); -#else - len = SIZEOF_in_addr; -#endif /* OLDTCP */ - cp = (char *) &inaddr.sin_addr; -#else /* else not CRAY */ - len = sizeof(inaddr.sin_addr.s_addr); - cp = (char *) &inaddr.sin_addr.s_addr; -#endif /* CRAY */ - - /* - * We are special casing the BSD hack localhost address - * 127.0.0.1, since this address shouldn't be copied to - * other machines. So, we simply omit generating the auth info - * since we set it to the local machine before calling this routine! - */ - if (!((len == 4) && (cp[0] == 127) && (cp[1] == 0) && - (cp[2] == 0) && (cp[3] == 1))) { - *saddrp = Xmalloc (len); - if (*saddrp) { - *saddrlenp = len; - memmove (*saddrp, cp, len); - *familyp = FamilyInternet; - } else { - *saddrlenp = 0; - } - } - - return fd; -} -#undef INVALID_INETADDR -#endif /* TCPCONN */ - - -/***************************************************************************** - * * - * Connection Utility Routines * - * * - *****************************************************************************/ - -/* - * Disconnect from server. - */ - -int N_XDisconnectDisplay (int server) -{ - (void) close(server); - return 0; -} - - -#include <stddef.h> -/* - * This is an OS dependent routine which: - * 1) returns as soon as the connection can be written on.... - * 2) if the connection can be read, must enqueue events and handle errors, - * until the connection is writable. - */ -void N_XWaitForWritable(Display *dpy) -{ - unsigned long r_mask[MSKCNT]; - unsigned long w_mask[MSKCNT]; - int nfound; - - CLEARBITS(r_mask); - CLEARBITS(w_mask); - - while (1) { - BITSET(r_mask, dpy->fd); - BITSET(w_mask, dpy->fd); - - do { - nfound = select (dpy->fd + 1, (SELECT_TYPE) r_mask, - (SELECT_TYPE) w_mask, (SELECT_TYPE) NULL, - (struct timeval *) NULL); - if (nfound < 0 && errno != EINTR) - _XIOError(dpy); - } while (nfound <= 0); - - if (_XANYSET(r_mask)) { - char buf[BUFSIZE]; - long pend_not_register; - register long pend; - register xEvent *ev; - - /* find out how much data can be read */ - if (BytesReadable(dpy->fd, (char *) &pend_not_register) < 0) - _XIOError(dpy); - pend = pend_not_register; - - /* must read at least one xEvent; if none is pending, then - we'll just block waiting for it */ - if (pend < SIZEOF(xEvent)) pend = SIZEOF(xEvent); - - /* but we won't read more than the max buffer size */ - if (pend > BUFSIZE) pend = BUFSIZE; - - /* round down to an integral number of XReps */ - pend = (pend / SIZEOF(xEvent)) * SIZEOF(xEvent); - - N_XRead (dpy, buf, pend); - - /* no space between comma and type or else macro will die */ - STARTITERATE (ev,xEvent, buf, (pend > 0), - (pend -= SIZEOF(xEvent))) { - if (ev->u.u.type == X_Error) - _XError (dpy, (xError *) ev); - else /* it's an event packet; die */ - DPSFatalProc((DPSContext)0, "N_XWaitForWritable read bogus X event"); - } - ENDITERATE - } - if (_XANYSET(w_mask)) - return; - } -} - - -void N_XWaitForReadable(Display *dpy) -{ - unsigned long r_mask[MSKCNT]; - int result; - - CLEARBITS(r_mask); - do { - BITSET(r_mask, dpy->fd); - result = select(dpy->fd + 1, (SELECT_TYPE) r_mask, (SELECT_TYPE) NULL, - (SELECT_TYPE) NULL, (struct timeval *) NULL); - if (result == -1 && errno != EINTR) _XIOError(dpy); - } while (result <= 0); -} - -#ifdef XXX - -static int padlength[4] = {0, 3, 2, 1}; /* make sure auth is multiple of 4 */ - -_XSendClientPrefix ( - Display *dpy, - xConnClientPrefix *client, /* contains count for auth_* */ - char *auth_proto, /* NOT null-terminated */ - char char *auth_string) /* NOT null-terminated */ -{ - int auth_length = client->nbytesAuthProto; - int auth_strlen = client->nbytesAuthString; - char padbuf[3]; /* for padding to 4x bytes */ - int pad; - struct iovec iovarray[5], *iov = iovarray; - int niov = 0; - -#define add_to_iov(b,l) \ - { iov->iov_base = (b); iov->iov_len = (l); iov++, niov++; } - - add_to_iov ((caddr_t) client, SIZEOF(xConnClientPrefix)); - - /* - * write authorization protocol name and data - */ - if (auth_length > 0) { - add_to_iov (auth_proto, auth_length); - pad = padlength [auth_length & 3]; - if (pad) add_to_iov (padbuf, pad); - } - if (auth_strlen > 0) { - add_to_iov (auth_string, auth_strlen); - pad = padlength [auth_strlen & 3]; - if (pad) add_to_iov (padbuf, pad); - } - -#undef add_to_iov - - (void) WritevToServer (dpy->fd, iovarray, niov); - return; -} - -#endif /* XXX */ |