diff options
Diffstat (limited to 'mit-pthreads/bin/finger')
| -rw-r--r-- | mit-pthreads/bin/finger/.cvsignore | 1 | ||||
| -rwxr-xr-x | mit-pthreads/bin/finger/Makefile.in | 60 | ||||
| -rwxr-xr-x | mit-pthreads/bin/finger/finger.c | 231 | ||||
| -rwxr-xr-x | mit-pthreads/bin/finger/net.c | 189 |
4 files changed, 481 insertions, 0 deletions
diff --git a/mit-pthreads/bin/finger/.cvsignore b/mit-pthreads/bin/finger/.cvsignore new file mode 100644 index 00000000000..f3c7a7c5da6 --- /dev/null +++ b/mit-pthreads/bin/finger/.cvsignore @@ -0,0 +1 @@ +Makefile diff --git a/mit-pthreads/bin/finger/Makefile.in b/mit-pthreads/bin/finger/Makefile.in new file mode 100755 index 00000000000..ee20f47443d --- /dev/null +++ b/mit-pthreads/bin/finger/Makefile.in @@ -0,0 +1,60 @@ +# === makefile ============================================================ +# Copyright (c) 1993 Chris Provenzano, proven@athena.mit.edu +# +# Description: This file is for creating the test programs for libpthread.a +# +# 1.00 93/08/03 proven +# -Initial cut for pthreads. +# + +srctop = @srctop@ +srcdir = @srctop@/bin/finger +VPATH = @srctop@/bin/finger +prefix= @prefix@ +exec_prefix= @exec_prefix@ + +INSTALL_PATH = @exec_prefix@ + BINDIR = $(INSTALL_PATH)/bin + LIBDIR = $(INSTALL_PATH)/lib + MANDIR = $(INSTALL_PATH)/man + INCDIR = $(INSTALL_PATH)/include + + CC = ../../pgcc -notinstalled + CDEBUGFLAGS = @CFLAGS@ + INCLUDES = -I@srctop@/lib/libpthreadutil/ -L../../lib/libpthreadutil/ + CFLAGS = $(CDEBUGFLAGS) $(INCLUDES) $(ADDL_CFLAGS) -DSRCDIR=\"$(srcdir)\" + RANLIB = @RANLIB@ + + OBJS = finger.o net.o + BINARY = finger + +################################################################################ +# +all : $(BINARY) + +clean: + rm -f *.o $(TESTS) $(BENCHMARKS) a.out core maketmp makeout + +depend: + sed '/\#\#\# Dependencies/q' < Makefile > maketmp + (for i in $(CSRC);do $(CPP) -M $$i;done) >> maketmp + cp maketmp Makefile + +install: $(BINARY) + install $(BINARY) $(BINDIR) + +realclean: clean + rm -f Makefile + +Makefile: Makefile.in + (cd ../.. ; sh config.status) + +.c.o: + $(CC) $(CFLAGS) -c $< + +$(BINARY) : ${OBJS} + $(CC) $(CFLAGS) -o $(BINARY) ${OBJS} -lpthreadutil + +################################################################################ +### Do not remove the following line. It is for depend ######################### +### Dependencies: diff --git a/mit-pthreads/bin/finger/finger.c b/mit-pthreads/bin/finger/finger.c new file mode 100755 index 00000000000..33b3011e8bb --- /dev/null +++ b/mit-pthreads/bin/finger/finger.c @@ -0,0 +1,231 @@ +/* ==== finger.c ============================================================ + * Copyright (c) 1993 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 Chris Provenzano, + * the University of California, Berkeley and its contributors. + * 4. Neither the name of Chris Provenzano, 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 CHRIS PROVENZANO, 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. + * + * 1.10 95/02/11 proven + * -Now that gethostbyname works .... + */ + +#ifndef lint +char copyright[] = +"@(#) Copyright (c) 1989 The Regents of the University of California.\n\ + @(#) Copyright (c) 1993, 1995 Chris Provenzano.\n\ + @(#) Copyright (c) 1995 Greg Stark.\n\ + All rights reserved.\n"; +#endif /* not lint */ + +#include <pthreadutil.h> +#include <sys/param.h> +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +void *netfinger(); + +void usage(int eval) +{ + fprintf(stderr, + "usage: finger [-lps] [-c <net_count>] [-t|T <timeout>] [-f <filename>] [login ...]\n"); + exit(eval); +} + +/* + * These globals are set initialy and then are only read. + * They do not need mutexes. + */ +int thread_time = 0, program_timeout = 0, lflag = 0; +pthread_tad_t parse_file_tad; +pthread_tad_t netfinger_tad; + +void * timeout_thread(void * arg) +{ + sleep(program_timeout); + exit(0); +} + +void * signal_thread(void * arg) +{ + int sig; + sigset_t program_signals; + sigemptyset(&program_signals); + sigaddset(&program_signals, SIGINT); + sigwait(&program_signals, &sig); + exit(0); +} + +#ifndef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 64 +#endif + +void * parse_file(void * arg) +{ + char hostname[MAXHOSTNAMELEN]; + char * filename = arg; + pthread_atexit_t atexit_id; + pthread_attr_t attr; + pthread_t thread_id; + char * thread_arg; + FILE * fp; + int len; + + netsetupwait(); + + /* Parse the file and create a thread per connection */ + if ((fp = fopen(filename, "r")) == NULL) { + fprintf(stderr, "Can't open file %s\n", filename); + pthread_exit(NULL); + } + pthread_atexit_add(&atexit_id, fclose_nrv, fp); + + if (pthread_attr_init(&attr)) { + fprintf(stderr, "Error: Can't initialize thread attributes\n"); + exit(2); + } + pthread_atexit_add(&atexit_id, pthread_attr_destroy_nrv, &attr); + + while (fgets(hostname, MAXHOSTNAMELEN, fp)) { + if ((thread_arg = (char *)malloc(len = strlen(hostname))) == NULL) { + fprintf(stderr, "Error: out of memory\n"); + exit(2); + } + + hostname[len - 1] = '\0'; + strcpy(thread_arg, hostname); + pthread_attr_setcleanup(&attr, free, thread_arg); + if (pthread_tad_create(&netfinger_tad, &thread_id, NULL, + netfinger, thread_arg)) { + fprintf(stderr, "Error: pthread_tad_create() netfinger_tad.\n"); + exit(2); + } + } + pthread_exit(NULL); +} + +main(int argc, char **argv) +{ + pthread_atexit_t atexit_id; + pthread_t thread_id; + int max_count = 0; + char ch; + + /* getopt variables */ + extern char *optarg; + extern int optind; + + /* Setup tad for parse_file() threads */ + if (pthread_tad_init(&parse_file_tad, max_count)) { + fprintf(stderr,"Error: couldn't create parse_file() TAD.\n"); + exit(1); + } + + while ((ch = getopt(argc, argv, "c:f:t:T:ls")) != (char)EOF) + switch(ch) { + case 't': /* Time to let each thread run */ + if ((thread_time = atoi(optarg)) <= 0) { + usage(1); + } + break; + case 'T': /* Time to let entire program run */ + if ((program_timeout = atoi(optarg)) <= 0) { + usage(1); + } + break; + case 'f': /* Parse file for list of places to finger */ + if (pthread_tad_create(&parse_file_tad, &thread_id, NULL, + parse_file, optarg)) { + fprintf(stderr,"Error: pthread_tad_create() parse_file_tad.\n"); + exit(1); + } + break; + case 'c': + max_count = atoi(optarg); + break; + case 'l': /* long format */ + lflag = 1; + break; + case 's': /* short format */ + lflag = 0; + break; + case '?': + usage(0); + default: + usage(1); + } + + /* The rest of the argumants are hosts */ + argc -= optind; + argv += optind; + + /* Setup timeout thread, if there is one */ + if (program_timeout) { + if (pthread_create(&thread_id, NULL, timeout_thread, NULL)) { + fprintf(stderr,"Error: couldn't create program_timeout() thread\n"); + exit(1); + } + } + + /* Setup cleanup thread for signals */ + if (pthread_create(&thread_id, NULL, signal_thread, NULL)) { + fprintf(stderr,"Error: couldn't create signal_timeout() thread\n"); + exit(1); + } + + /* Setup tad for netfinger() threads */ + if (pthread_tad_init(&netfinger_tad, max_count)) { + fprintf(stderr,"Error: couldn't create netfinger() TAD.\n"); + exit(1); + } + + /* Setup the net and let everyone run */ + netsetup(); + + while (*argv) { + if (pthread_tad_create(&netfinger_tad, &thread_id, NULL, + netfinger, *argv)) { + fprintf(stderr, "Error: pthread_tad_create() netfinger_tad.\n"); + exit(2); + } + argv++; + } + pthread_tad_wait(&parse_file_tad, 0); + pthread_tad_wait(&netfinger_tad, 0); + exit(0); +} + diff --git a/mit-pthreads/bin/finger/net.c b/mit-pthreads/bin/finger/net.c new file mode 100755 index 00000000000..77ccd92ee8c --- /dev/null +++ b/mit-pthreads/bin/finger/net.c @@ -0,0 +1,189 @@ +/* ==== 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); +} |