| Current Path : /usr/src/usr.bin/csup/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/usr.bin/csup/main.c |
/*-
* Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/usr.bin/csup/main.c 210874 2010-08-05 18:26:03Z joel $
*/
#include <sys/file.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <fcntl.h>
#include <libgen.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
#include "fattr.h"
#include "misc.h"
#include "proto.h"
#include "stream.h"
#define USAGE_OPTFMT " %-12s %s\n"
#define USAGE_OPTFMTSUB " %-14s %s\n", ""
int verbose = 1;
static void
usage(char *argv0)
{
lprintf(-1, "Usage: %s [options] supfile\n", basename(argv0));
lprintf(-1, " Options:\n");
lprintf(-1, USAGE_OPTFMT, "-1", "Don't retry automatically on failure "
"(same as \"-r 0\")");
lprintf(-1, USAGE_OPTFMT, "-4", "Force usage of IPv4 addresses");
lprintf(-1, USAGE_OPTFMT, "-6", "Force usage of IPv6 addresses");
lprintf(-1, USAGE_OPTFMT, "-a",
"Require server to authenticate itself to us");
lprintf(-1, USAGE_OPTFMT, "-A addr",
"Bind local socket to a specific address");
lprintf(-1, USAGE_OPTFMT, "-b base",
"Override supfile's \"base\" directory");
lprintf(-1, USAGE_OPTFMT, "-c collDir",
"Subdirectory of \"base\" for collections (default \"sup\")");
lprintf(-1, USAGE_OPTFMT, "-d delLimit",
"Allow at most \"delLimit\" file deletions (default unlimited)");
lprintf(-1, USAGE_OPTFMT, "-h host",
"Override supfile's \"host\" name");
lprintf(-1, USAGE_OPTFMT, "-i pattern",
"Include only files/directories matching pattern.");
lprintf(-1, USAGE_OPTFMTSUB,
"May be repeated for an OR operation. Default is");
lprintf(-1, USAGE_OPTFMTSUB, "to include each entire collection.");
lprintf(-1, USAGE_OPTFMT, "-k",
"Keep bad temporary files when fixups are required");
lprintf(-1, USAGE_OPTFMT, "-l lockfile",
"Lock file during update; fail if already locked");
lprintf(-1, USAGE_OPTFMT, "-L n",
"Verbosity level (0..2, default 1)");
lprintf(-1, USAGE_OPTFMT, "-p port",
"Alternate server port (default 5999)");
lprintf(-1, USAGE_OPTFMT, "-r n",
"Maximum retries on transient errors (default unlimited)");
lprintf(-1, USAGE_OPTFMT, "-s",
"Don't stat client files; trust the checkouts file");
lprintf(-1, USAGE_OPTFMT, "-v", "Print version and exit");
lprintf(-1, USAGE_OPTFMT, "-z", "Enable compression for all "
"collections");
lprintf(-1, USAGE_OPTFMT, "-Z", "Disable compression for all "
"collections");
}
int
main(int argc, char *argv[])
{
struct tm tm;
struct backoff_timer *timer;
struct config *config;
struct coll *override;
struct addrinfo *res;
struct sockaddr *laddr;
socklen_t laddrlen;
struct stream *lock;
char *argv0, *file, *lockfile;
int family, error, lockfd, lflag, overridemask;
int c, i, deletelim, port, retries, status, reqauth;
time_t nexttry;
error = 0;
family = PF_UNSPEC;
deletelim = -1;
port = 0;
lflag = 0;
lockfd = 0;
nexttry = 0;
retries = -1;
argv0 = argv[0];
laddr = NULL;
laddrlen = 0;
lockfile = NULL;
override = coll_new(NULL);
overridemask = 0;
reqauth = 0;
while ((c = getopt(argc, argv,
"146aA:b:c:d:gh:i:kl:L:p:P:r:svzZ")) != -1) {
switch (c) {
case '1':
retries = 0;
break;
case '4':
family = AF_INET;
break;
case '6':
family = AF_INET6;
break;
case 'a':
/* Require server authentication */
reqauth = 1;
break;
case 'A':
error = getaddrinfo(optarg, NULL, NULL, &res);
if (error) {
lprintf(-1, "%s: %s\n", optarg,
gai_strerror(error));
return (1);
}
laddrlen = res->ai_addrlen;
laddr = xmalloc(laddrlen);
memcpy(laddr, res->ai_addr, laddrlen);
freeaddrinfo(res);
break;
case 'b':
if (override->co_base != NULL)
free(override->co_base);
override->co_base = xstrdup(optarg);
break;
case 'c':
override->co_colldir = optarg;
break;
case 'd':
error = asciitoint(optarg, &deletelim, 0);
if (error || deletelim < 0) {
lprintf(-1, "Invalid deletion limit\n");
usage(argv0);
return (1);
}
break;
case 'g':
/* For compatibility. */
break;
case 'h':
if (override->co_host != NULL)
free(override->co_host);
override->co_host = xstrdup(optarg);
break;
case 'i':
pattlist_add(override->co_accepts, optarg);
break;
case 'k':
override->co_options |= CO_KEEPBADFILES;
overridemask |= CO_KEEPBADFILES;
break;
case 'l':
lockfile = optarg;
lflag = 1;
lockfd = open(lockfile,
O_CREAT | O_WRONLY | O_TRUNC, 0700);
if (lockfd != -1) {
error = flock(lockfd, LOCK_EX | LOCK_NB);
if (error == -1 && errno == EWOULDBLOCK) {
if (lockfd != -1)
close(lockfd);
lprintf(-1, "\"%s\" is already locked "
"by another process\n", lockfile);
return (1);
}
}
if (lockfd == -1 || error == -1) {
if (lockfd != -1)
close(lockfd);
lprintf(-1, "Error locking \"%s\": %s\n",
lockfile, strerror(errno));
return (1);
}
lock = stream_open_fd(lockfd,
NULL, stream_write_fd, NULL);
(void)stream_printf(lock, "%10ld\n", (long)getpid());
stream_close(lock);
break;
case 'L':
error = asciitoint(optarg, &verbose, 0);
if (error) {
lprintf(-1, "Invalid verbosity\n");
usage(argv0);
return (1);
}
break;
case 'p':
/* Use specified server port. */
error = asciitoint(optarg, &port, 0);
if (error) {
lprintf(-1, "Invalid server port\n");
usage(argv0);
return (1);
}
if (port <= 0 || port >= 65536) {
lprintf(-1, "Invalid port %d\n", port);
return (1);
}
if (port < 1024) {
lprintf(-1, "Reserved port %d not permitted\n",
port);
return (1);
}
break;
case 'P':
/* For compatibility. */
if (strcmp(optarg, "m") != 0) {
lprintf(-1,
"Client only supports multiplexed mode\n");
return (1);
}
break;
case 'r':
error = asciitoint(optarg, &retries, 0);
if (error || retries < 0) {
lprintf(-1, "Invalid retry limit\n");
usage(argv0);
return (1);
}
break;
case 's':
override->co_options |= CO_TRUSTSTATUSFILE;
overridemask |= CO_TRUSTSTATUSFILE;
break;
case 'v':
lprintf(0, "CVSup client written in C\n");
lprintf(0, "Software version: %s\n", PROTO_SWVER);
lprintf(0, "Protocol version: %d.%d\n",
PROTO_MAJ, PROTO_MIN);
return (0);
break;
case 'z':
/* Force compression on all collections. */
override->co_options |= CO_COMPRESS;
overridemask |= CO_COMPRESS;
break;
case 'Z':
/* Disables compression on all collections. */
override->co_options &= ~CO_COMPRESS;
overridemask &= ~CO_COMPRESS;
break;
case '?':
default:
usage(argv0);
return (1);
}
}
argc -= optind;
argv += optind;
if (argc < 1) {
usage(argv0);
return (1);
}
file = argv[0];
lprintf(2, "Parsing supfile \"%s\"\n", file);
config = config_init(file, override, overridemask);
coll_free(override);
if (config == NULL)
return (1);
if (config_checkcolls(config) == 0) {
lprintf(-1, "No collections selected\n");
return (1);
}
if (laddr != NULL) {
config->laddr = laddr;
config->laddrlen = laddrlen;
}
config->deletelim = deletelim;
config->reqauth = reqauth;
lprintf(2, "Connecting to %s\n", config->host);
i = 0;
fattr_init(); /* Initialize the fattr API. */
timer = bt_new(300, 7200, 2.0, 0.1);
for (;;) {
status = proto_connect(config, family, port);
if (status == STATUS_SUCCESS) {
status = proto_run(config);
if (status != STATUS_TRANSIENTFAILURE)
break;
}
if (retries >= 0 && i >= retries)
break;
nexttry = time(0) + bt_get(timer);
localtime_r(&nexttry, &tm);
lprintf(1, "Will retry at %02d:%02d:%02d\n",
tm.tm_hour, tm.tm_min, tm.tm_sec);
bt_pause(timer);
lprintf(1, "Retrying\n");
i++;
}
bt_free(timer);
fattr_fini();
if (lflag) {
unlink(lockfile);
flock(lockfd, LOCK_UN);
close(lockfd);
}
config_free(config);
if (status != STATUS_SUCCESS)
return (1);
return (0);
}