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Diffstat (limited to 'mit-pthreads/bin/finger/net.c')
| -rwxr-xr-x | mit-pthreads/bin/finger/net.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/mit-pthreads/bin/finger/net.c b/mit-pthreads/bin/finger/net.c deleted file mode 100755 index 77ccd92ee8c..00000000000 --- a/mit-pthreads/bin/finger/net.c +++ /dev/null @@ -1,189 +0,0 @@ -/* ==== net.c ============================================================ - * Copyright (c) 1993, 1995 by Chris Provenzano, proven@athena.mit.edu - * - * Copyright (c) 1989 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Tony Nardo of the Johns Hopkins University/Applied Physics Lab. - * - * 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. 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. - * - * 1.00 93/08/26 proven - * -Pthread redesign of this file. - */ - -#include <pthreadutil.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/param.h> -#include <netinet/in.h> -#include <stdlib.h> -#include <string.h> -#include <netdb.h> -#include <stdio.h> -#include <ctype.h> - -#ifndef MAXHOSTNAMELEN -#define MAXHOSTNAMELEN 64 -#endif -/* - * These globals are set initialy and then are only read. - * They do not need mutexes. - */ -extern int lflag; -char myhostname[MAXHOSTNAMELEN]; - -/* - * These globals change and therefor do need mutexes - */ -pthread_mutex_t spmutex = PTHREAD_MUTEX_INITIALIZER; -pthread_cond_t spcond = PTHREAD_COND_INITIALIZER; -struct servent *sp = NULL; - -void netsetup(void) -{ - pthread_mutex_lock(&spmutex); - if (sp) { - fprintf(stderr, "finger: service pointer already initialized.\n"); - exit(2); - } - if ((sp = (struct servent *)malloc(sizeof(struct servent) + 4096)) == NULL){ - fprintf(stderr, "finger: Couldn't allocate service pointer.\n"); - exit(2); - } - if (getservbyname_r("finger", "tcp", sp, (char *)sp + sizeof(struct servent), 4096) == NULL) { - fprintf(stderr, "finger: tcp/finger: unknown service\n"); - exit(2); - } - if (gethostname(myhostname, MAXHOSTNAMELEN)) { - fprintf(stderr, "finger: couldn't get my hostname.\n"); - exit(2); - } - pthread_cond_broadcast(&spcond); - pthread_mutex_unlock(&spmutex); -} - -void netsetupwait(void) -{ - pthread_mutex_lock(&spmutex); - while(sp == NULL) { - pthread_cond_wait(&spcond, &spmutex); - } - pthread_mutex_unlock(&spmutex); -} - -void *netfinger(char *name) -{ - pthread_atexit_t atexit_id; - register int c, lastc; - struct in_addr defaddr; - struct hostent *hp; - struct sockaddr_in sin; - int s, i, readbuflen; - char readbuf[1024]; - char *host; - - netsetupwait(); - pthread_atexit_add(&atexit_id, fflush_nrv, NULL); - - if (!(host = strrchr(name, '@'))) { - host = myhostname; - } else { - *host++ = '\0'; - } - if (!(hp = gethostbyname(host))) { - if ((defaddr.s_addr = inet_addr(host)) < 0) { - fprintf(stderr, "[%s] gethostbyname: Unknown host\n", host); - return; - } - } - sin.sin_family = hp->h_addrtype; - memcpy((char *)&sin.sin_addr, hp->h_addr, hp->h_length); - sin.sin_port = sp->s_port; - - if ((s = socket(sin.sin_family, SOCK_STREAM, 0)) < 0) { - sprintf(readbuf, "[%s]: socket", hp->h_name); - perror(readbuf); - return; - } - - /* have network connection; identify the host connected with */ - if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) { - sprintf(readbuf, "[%s]: connect", hp->h_name); - perror(readbuf); - close(s); - return; - } - - /* -l flag for remote fingerd */ - if (lflag) - write(s, "/W ", 3); - /* send the name followed by <CR><LF> */ - write(s, name, strlen(name)); - write(s, "\r\n", 2); - - /* - * Read from the remote system; once we're connected, we assume some - * data. If none arrives, we hang until the user interrupts, or - * until the thread timeout expires. - * - * If we see a <CR> or a <CR> with the high bit set, treat it as - * a newline; if followed by a newline character, only output one - * newline. - * - * Otherwise, all high bits are stripped; if it isn't printable and - * it isn't a space, we can simply set the 7th bit. Every ASCII - * character with bit 7 set is printable. - */ - for (readbuflen = read(s, readbuf, 1024), flockfile(stdout), lastc = '\n', - printf("[%s]\n", hp->h_name); readbuflen > 0; - readbuflen = read(s, readbuf, 1024)) { - for (i = 0; i < readbuflen; i++) { - c = readbuf[i] & 0x7f; - if (c == 0x0d) { - c = '\n'; - lastc = '\r'; - } else { - if (!isprint(c) && !isspace(c)) - c |= 0x40; - if (lastc != '\r' || c != '\n') - lastc = c; - else { - lastc = '\n'; - continue; - } - } - putchar_unlocked(c); - } - } - if (lastc != '\n') - putchar_unlocked('\n'); - funlockfile(stdout); -} |