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usr / src / crypto / heimdal / lib / roken /

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📄 ChangeLog(61.03 KB)
📄 Makefile.am(4.47 KB)
📄 Makefile.in(126.5 KB)
📄 base64-test.c(2.95 KB)
📄 base64.c(3.69 KB)
📄 base64.h(1.99 KB)
📄 bswap.c(2.01 KB)
📄 chown.c(1.75 KB)
📄 cloexec.c(2.05 KB)
📄 closefrom.c(1.92 KB)
📄 concat.c(2.91 KB)
📄 copyhostent.c(3.07 KB)
📄 ct.c(2.34 KB)
📄 daemon.c(2.36 KB)
📄 doxygen.c(1.89 KB)
📄 dumpdata.c(2.62 KB)
📄 ecalloc.3(2.71 KB)
📄 ecalloc.c(1.96 KB)
📄 emalloc.c(1.91 KB)
📄 environment.c(3.76 KB)
📄 eread.c(1.9 KB)
📄 erealloc.c(1.93 KB)
📄 err.c(1.8 KB)
📄 err.hin(3.02 KB)
📄 errx.c(1.8 KB)
📄 esetenv.c(1.88 KB)
📄 estrdup.c(1.89 KB)
📄 ewrite.c(1.91 KB)
📄 fchown.c(1.75 KB)
📄 flock.c(3.82 KB)
📄 fnmatch.c(5.05 KB)
📄 fnmatch.hin(2.3 KB)
📄 freeaddrinfo.c(1.94 KB)
📄 freehostent.c(2.03 KB)
📄 gai_strerror.c(2.62 KB)
📄 get_default_username.c(2.58 KB)
📄 get_window_size.c(3.38 KB)
📄 getaddrinfo-test.c(4.04 KB)
📄 getaddrinfo.c(10.05 KB)
📄 getaddrinfo_hostspec.c(3.17 KB)
📄 getarg.3(9.56 KB)
📄 getarg.c(15.34 KB)
📄 getarg.h(3.15 KB)
📄 getcap.c(25.29 KB)
📄 getcwd.c(1.94 KB)
📄 getdtablesize.c(2.89 KB)
📄 getegid.c(1.76 KB)
📄 geteuid.c(1.76 KB)
📄 getgid.c(1.75 KB)
📄 gethostname.c(2.34 KB)
📄 getifaddrs.c(32.46 KB)
📄 getipnodebyaddr.c(2.33 KB)
📄 getipnodebyname.c(2.52 KB)
📄 getnameinfo.c(3.51 KB)
📄 getnameinfo_verified.c(3.14 KB)
📄 getopt.c(3.82 KB)
📄 getprogname.c(1.84 KB)
📄 gettimeofday.c(2.43 KB)
📄 getuid.c(1.75 KB)
📄 getusershell.c(4.47 KB)
📄 glob.c(19.59 KB)
📄 glob.hin(3.83 KB)
📄 h_errno.c(1.69 KB)
📄 hex-test.c(3.02 KB)
📄 hex.c(2.85 KB)
📄 hex.h(2.08 KB)
📄 hostent_find_fqdn.c(2.05 KB)
📄 hstrerror.c(2.54 KB)
📄 ifaddrs.hin(2.52 KB)
📄 inet_aton.c(1.94 KB)
📄 inet_ntop.c(3.97 KB)
📄 inet_pton.c(2.94 KB)
📄 initgroups.c(1.75 KB)
📄 innetgr.c(1.79 KB)
📄 install-sh(5.47 KB)
📄 iruserok.c(7.48 KB)
📄 issuid.c(2.01 KB)
📄 k_getpwnam.c(2.08 KB)
📄 k_getpwuid.c(2.07 KB)
📄 localtime_r.c(2.03 KB)
📄 lstat.c(1.76 KB)
📄 memmove.c(2.02 KB)
📄 mini_inetd.c(5.67 KB)
📄 missing(6.14 KB)
📄 mkinstalldirs(671 B)
📄 mkstemp.c(2.4 KB)
📄 ndbm_wrap.c(5.18 KB)
📄 ndbm_wrap.h(3.13 KB)
📄 net_read.c(3.13 KB)
📄 net_write.c(2.9 KB)
📄 parse_bytes-test.c(2.81 KB)
📄 parse_bytes.c(2.55 KB)
📄 parse_bytes.h(2.13 KB)
📄 parse_reply-test.c(3.49 KB)
📄 parse_time-test.c(4.07 KB)
📄 parse_time.3(4.82 KB)
📄 parse_time.c(2.49 KB)
📄 parse_time.h(2.19 KB)
📄 parse_units.c(7.41 KB)
📄 parse_units.h(2.73 KB)
📄 putenv.c(2.51 KB)
📄 qsort.c(5.35 KB)
📄 rand.c(1.84 KB)
📄 rcmd.c(1.92 KB)
📄 readv.c(2.17 KB)
📄 realloc.c(1.83 KB)
📄 recvmsg.c(2.26 KB)
📄 resolve-test.c(4.91 KB)
📄 resolve.c(21.5 KB)
📄 resolve.h(7.26 KB)
📄 rkpty.c(7.89 KB)
📄 roken-common.h(11.68 KB)
📄 roken.awk(875 B)
📄 roken.h.in(27.79 KB)
📄 roken_gethostby.c(7.26 KB)
📄 rtbl.3(6.53 KB)
📄 rtbl.c(12.11 KB)
📄 rtbl.h(3.61 KB)
📄 search.hin(1007 B)
📄 sendmsg.c(5.37 KB)
📄 setegid.c(1.9 KB)
📄 setenv.c(2.37 KB)
📄 seteuid.c(1.9 KB)
📄 setprogname.c(2.44 KB)
📄 signal.c(2.34 KB)
📄 simple_exec.c(7.51 KB)
📄 snprintf-test.c(8.16 KB)
📄 snprintf.c(14.93 KB)
📄 socket.c(7.89 KB)
📄 socket_wrapper.c(40.97 KB)
📄 socket_wrapper.h(4.52 KB)
📄 strcasecmp.c(2 KB)
📄 strcollect.c(2.64 KB)
📄 strdup.c(1.84 KB)
📄 strerror.c(2 KB)
📄 strerror_r.c(2.73 KB)
📄 strftime.c(8.32 KB)
📄 strlcat.c(2.21 KB)
📄 strlcpy.c(2.23 KB)
📄 strlwr.c(1.86 KB)
📄 strncasecmp.c(2.04 KB)
📄 strndup.c(1.96 KB)
📄 strnlen.c(1.79 KB)
📄 strpftime-test.c(6.04 KB)
📄 strpftime-test.h(2.19 KB)
📄 strpool.c(2.74 KB)
📄 strptime.c(9.21 KB)
📄 strsep.c(1.95 KB)
📄 strsep_copy.c(2.22 KB)
📄 strtok_r.c(2.05 KB)
📄 strupr.c(1.86 KB)
📄 swab.c(1.87 KB)
📄 test-mem.c(4.96 KB)
📄 test-mem.h(1.85 KB)
📄 test-readenv.c(3 KB)
📄 timegm.c(2.72 KB)
📄 timeval.c(2.34 KB)
📄 tm2time.c(2.01 KB)
📄 tsearch.c(4.17 KB)
📄 unsetenv.c(2.14 KB)
📄 unvis.c(6.39 KB)
📄 verify.c(2.1 KB)
📄 verr.c(1.79 KB)
📄 verrx.c(1.79 KB)
📄 version-script.map(3.33 KB)
📄 vis.c(11.45 KB)
📄 vis.hin(4.38 KB)
📄 vsyslog.c(3.13 KB)
📄 vwarn.c(1.77 KB)
📄 vwarnx.c(1.77 KB)
📄 warn.c(1.75 KB)
📄 warnerr.c(2.12 KB)
📄 warnx.c(1.79 KB)
📄 write_pid.c(2.65 KB)
📄 writev.c(2.15 KB)
📄 xdbm.h(1.91 KB)
📄 xfree.c(1.7 KB)

Editing: rkpty.c

/*
 * Copyright (c) 2008 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 *
 * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
 */

#include "config.h"

#ifndef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_PTY_H
#include <pty.h>
#endif
#ifdef HAVE_UTIL_H
#include <util.h>
#endif
#ifdef HAVE_LIBUTIL_H
#include <libutil.h>
#endif

#ifdef	STREAMSPTY
#include <stropts.h>
#endif /* STREAMPTY */

#include "roken.h"
#include <getarg.h>

struct command {
    enum { CMD_EXPECT = 0, CMD_SEND, CMD_PASSWORD } type;
    unsigned int lineno;
    char *str;
    struct command *next;
};

/*
 *
 */

static struct command *commands, **next = &commands;

static sig_atomic_t alarmset = 0;

static int timeout = 10;
static int verbose;
static int help_flag;
static int version_flag;

static int master;
static int slave;
static char line[256] = { 0 };

static void
caught_signal(int signo)
{
    alarmset = signo;
}

static void
open_pty(void)
{
#ifdef _AIX
    printf("implement open_pty\n");
    exit(77);
#endif
#if defined(HAVE_OPENPTY) || defined(__linux) || defined(__osf__) /* XXX */
    if(openpty(&master, &slave, line, 0, 0) == 0)
	return;
#endif /* HAVE_OPENPTY .... */
#ifdef STREAMSPTY
    {
	char *clone[] = {
	    "/dev/ptc",
	    "/dev/ptmx",
	    "/dev/ptm",
	    "/dev/ptym/clone",
	    NULL
	};
	char **q;

for(q = clone; *q; q++){
	    master = open(*q, O_RDWR);
	    if(master >= 0){
#ifdef HAVE_GRANTPT
		grantpt(master);
#endif
#ifdef HAVE_UNLOCKPT
		unlockpt(master);
#endif
		strlcpy(line, ptsname(master), sizeof(line));
		slave = open(line, O_RDWR);
		if (slave < 0)
		    errx(1, "failed to open slave when using %s", *q);
		ioctl(slave, I_PUSH, "ptem");
		ioctl(slave, I_PUSH, "ldterm");

return;
	    }
	}
    }
#endif /* STREAMSPTY */

/* more cases, like open /dev/ptmx, etc */

exit(77);
}

/*
 *
 */

static char *
iscmd(const char *buf, const char *s)
{
    size_t len = strlen(s);
    if (strncmp(buf, s, len) != 0)
	return NULL;
    return estrdup(buf + len);
}

static void
parse_configuration(const char *fn)
{
    struct command *c;
    char s[1024];
    char *str;
    unsigned int lineno = 0;
    FILE *cmd;

cmd = fopen(fn, "r");
    if (cmd == NULL)
	err(1, "open: %s", fn);

while (fgets(s, sizeof(s),  cmd) != NULL) {

s[strcspn(s, "#\n")] = '\0';
	lineno++;

c = calloc(1, sizeof(*c));
	if (c == NULL)
	    errx(1, "malloc");

c->lineno = lineno;
	(*next) = c;
	next = &(c->next);

if ((str = iscmd(s, "expect ")) != NULL) {
	    c->type = CMD_EXPECT;
	    c->str = str;
	} else if ((str = iscmd(s, "send ")) != NULL) {
	    c->type = CMD_SEND;
	    c->str = str;
	} else if ((str = iscmd(s, "password ")) != NULL) {
	    c->type = CMD_PASSWORD;
	    c->str = str;
	} else
	    errx(1, "Invalid command on line %d: %s", lineno, s);
    }

fclose(cmd);
}

/*
 *
 */

static int
eval_parent(pid_t pid)
{
    struct command *c;
    char in;
    size_t len = 0;
    ssize_t sret;

for (c = commands; c != NULL; c = c->next) {
	switch(c->type) {
	case CMD_EXPECT:
	    if (verbose)
		printf("[expecting %s]", c->str);
	    len = 0;
	    alarm(timeout);
	    while((sret = read(master, &in, sizeof(in))) > 0) {
		alarm(timeout);
		printf("%c", in);
		if (c->str[len] != in) {
		    len = 0;
		    continue;
		}
		len++;
		if (c->str[len] == '\0')
		    break;
	    }
	    alarm(0);
	    if (alarmset == SIGALRM)
		errx(1, "timeout waiting for %s (line %u)",
		     c->str, c->lineno);
	    else if (alarmset)
		errx(1, "got a signal %d waiting for %s (line %u)",
		     alarmset, c->str, c->lineno);
	    if (sret <= 0)
		errx(1, "end command while waiting for %s (line %u)",
		     c->str, c->lineno);
	    break;
	case CMD_SEND:
	case CMD_PASSWORD: {
	    size_t i = 0;
	    const char *msg = (c->type == CMD_PASSWORD) ? "****" : c->str;

if (verbose)
		printf("[send %s]", msg);

len = strlen(c->str);

while (i < len) {
		if (c->str[i] == '\\' && i < len - 1) {
		    char ctrl;
		    i++;
		    switch(c->str[i]) {
		    case 'n': ctrl = '\n'; break;
		    case 'r': ctrl = '\r'; break;
		    case 't': ctrl = '\t'; break;
		    default:
			errx(1, "unknown control char %c (line %u)",
			     c->str[i], c->lineno);
		    }
		    if (net_write(master, &ctrl, 1) != 1)
			errx(1, "command refused input (line %u)", c->lineno);
		} else {
		    if (net_write(master, &c->str[i], 1) != 1)
			errx(1, "command refused input (line %u)", c->lineno);
		}
		i++;
	    }
	    break;
	}
	default:
	    abort();
	}
    }
    while(read(master, &in, sizeof(in)) > 0)
	printf("%c", in);

if (verbose)
	printf("[end of program]\n");

/*
     * Fetch status from child
     */
    {
	int ret, status;

ret = waitpid(pid, &status, 0);
	if (ret == -1)
	    err(1, "waitpid");
	if (WIFEXITED(status) && WEXITSTATUS(status))
	    return WEXITSTATUS(status);
	else if (WIFSIGNALED(status)) {
	    printf("killed by signal: %d\n", WTERMSIG(status));
	    return 1;
	}
    }
    return 0;
}

/*
 *
 */

static struct getargs args[] = {
    { "timeout", 	't', arg_integer, &timeout, "timout", "seconds" },
    { "verbose", 	'v', arg_counter, &verbose, "verbose debugging" },
    { "version",	0, arg_flag,	&version_flag, "print version" },
    { "help",		0, arg_flag,	&help_flag, NULL }
};

static void
usage(int ret)
{
    arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "infile command..");
    exit (ret);
}

int
main(int argc, char **argv)
{
    int optidx = 0;
    pid_t pid;

setprogname(argv[0]);

if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
	usage(1);

if (help_flag)
	usage (0);

if (version_flag) {
	fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
	return 0;
    }

argv += optidx;
    argc -= optidx;

if (argc < 2)
	usage(1);

parse_configuration(argv[0]);

argv += 1;

open_pty();

pid = fork();
    switch (pid) {
    case -1:
	err(1, "Failed to fork");
    case 0:

if(setsid()<0)
	    err(1, "setsid");

dup2(slave, STDIN_FILENO);
	dup2(slave, STDOUT_FILENO);
	dup2(slave, STDERR_FILENO);
	closefrom(STDERR_FILENO + 1);

execvp(argv[0], argv); /* add NULL to end of array ? */
	err(1, "Failed to exec: %s", argv[0]);
    default:
	close(slave);
	{
	    struct sigaction sa;

sa.sa_handler = caught_signal;
	    sa.sa_flags = 0;
	    sigemptyset (&sa.sa_mask);

sigaction(SIGALRM, &sa, NULL);
	}

return eval_parent(pid);
    }
}

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Editing: rkpty.c

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