int
main (int argc, char **argv)
{
int exclude_options = 0;
struct exclude *exclude = new_exclude ();
set_program_name (argv[0]);
if (argc == 1)
error (1, 0, "usage: %s file -- words...", argv[0]);
while (--argc)
{
char *opt = *++argv;
if (opt[0] == '-')
{
int neg = 0;
int flag;
char *s = opt + 1;
if (opt[1] == '-' && opt[2] == 0)
{
argc--;
break;
}
if (strlen (s) > 3 && memcmp (s, "no-", 3) == 0)
{
neg = 1;
s += 3;
}
flag = XARGMATCH (opt, s, exclude_keywords, exclude_flags);
if (neg)
exclude_options &= ~flag;
else
exclude_options |= flag;
}
else if (add_exclude_file (add_exclude, exclude, opt,
exclude_options, '\n') != 0)
error (1, errno, "error loading %s", opt);
}
for (; argc; --argc)
{
char *word = *++argv;
printf ("%s: %d\n", word, excluded_file_name (exclude, word));
}
return 0;
}
void add_cvs_excludes(void)
{
char fname[MAXPATHLEN];
char *p;
int i;
for (i=0; cvs_ignore_list[i]; i++)
add_exclude(cvs_ignore_list[i], 0);
if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) {
slprintf(fname,sizeof(fname), "%s/.cvsignore",p);
add_exclude_file(fname,0,0);
}
add_exclude_line(getenv("CVSIGNORE"));
}
static int rsync_module(int fd, int i)
{
int argc=0;
char *argv[MAX_ARGS];
char **argp;
char line[MAXPATHLEN];
uid_t uid = (uid_t)-2;
gid_t gid = (gid_t)-2;
char *p;
char *addr = client_addr(fd);
char *host = client_name(fd);
char *name = lp_name(i);
int use_chroot = lp_use_chroot(i);
int start_glob=0;
int ret;
char *request=NULL;
extern int am_sender;
extern int remote_version;
extern int am_root;
if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) {
rprintf(FERROR,"rsync denied on module %s from %s (%s)\n",
name, client_name(fd), client_addr(fd));
io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n",
name, client_name(fd), client_addr(fd));
return -1;
}
if (!claim_connection(lp_lock_file(i), lp_max_connections(i))) {
if (errno) {
rprintf(FERROR,"failed to open lock file %s : %s\n",
lp_lock_file(i), strerror(errno));
io_printf(fd,"@ERROR: failed to open lock file %s : %s\n",
lp_lock_file(i), strerror(errno));
} else {
rprintf(FERROR,"max connections (%d) reached\n",
lp_max_connections(i));
io_printf(fd,"@ERROR: max connections (%d) reached - try again later\n", lp_max_connections(i));
}
return -1;
}
auth_user = auth_server(fd, i, addr, "@RSYNCD: AUTHREQD ");
if (!auth_user) {
rprintf(FERROR,"auth failed on module %s from %s (%s)\n",
name, client_name(fd), client_addr(fd));
io_printf(fd,"@ERROR: auth failed on module %s\n",name);
return -1;
}
module_id = i;
if (lp_read_only(i))
read_only = 1;
am_root = (getuid() == 0);
if (am_root) {
p = lp_uid(i);
if (!name_to_uid(p, &uid)) {
if (!isdigit(*p)) {
rprintf(FERROR,"Invalid uid %s\n", p);
io_printf(fd,"@ERROR: invalid uid\n");
return -1;
}
uid = atoi(p);
}
p = lp_gid(i);
if (!name_to_gid(p, &gid)) {
if (!isdigit(*p)) {
rprintf(FERROR,"Invalid gid %s\n", p);
io_printf(fd,"@ERROR: invalid gid\n");
return -1;
}
gid = atoi(p);
}
}
p = lp_include_from(i);
add_exclude_file(p, 1, 1);
p = lp_include(i);
add_include_line(p);
p = lp_exclude_from(i);
add_exclude_file(p, 1, 0);
p = lp_exclude(i);
add_exclude_line(p);
log_open();
if (use_chroot) {
if (chroot(lp_path(i))) {
rprintf(FERROR,"chroot %s failed\n", lp_path(i));
io_printf(fd,"@ERROR: chroot failed\n");
return -1;
}
if (!push_dir("/", 0)) {
rprintf(FERROR,"chdir %s failed\n", lp_path(i));
io_printf(fd,"@ERROR: chdir failed\n");
return -1;
}
} else {
if (!push_dir(lp_path(i), 0)) {
rprintf(FERROR,"chdir %s failed\n", lp_path(i));
io_printf(fd,"@ERROR: chdir failed\n");
return -1;
}
}
if (am_root) {
if (setgid(gid)) {
rprintf(FERROR,"setgid %d failed\n", gid);
io_printf(fd,"@ERROR: setgid failed\n");
return -1;
}
if (setuid(uid)) {
rprintf(FERROR,"setuid %d failed\n", uid);
io_printf(fd,"@ERROR: setuid failed\n");
return -1;
}
am_root = (getuid() == 0);
}
io_printf(fd,"@RSYNCD: OK\n");
argv[argc++] = "rsyncd";
while (1) {
if (!read_line(fd, line, sizeof(line)-1)) {
return -1;
}
if (!*line) break;
p = line;
argv[argc] = strdup(p);
if (!argv[argc]) {
return -1;
}
if (start_glob) {
if (start_glob == 1) {
request = strdup(p);
start_glob++;
}
glob_expand(name, argv, &argc, MAX_ARGS, !use_chroot);
} else {
argc++;
}
if (strcmp(line,".") == 0) {
start_glob = 1;
}
if (argc == MAX_ARGS) {
return -1;
}
}
if (!use_chroot) {
/*
* Note that this is applied to all parameters, whether or not
* they are filenames, but no other legal parameters contain
* the forms that need to be sanitized so it doesn't hurt;
* it is not known at this point which parameters are files
* and which aren't.
*/
for (i = 1; i < argc; i++) {
sanitize_path(argv[i]);
}
}
ret = parse_arguments(argc, argv, 0);
if (request) {
if (*auth_user) {
rprintf(FINFO,"rsync %s %s from %s@%s (%s)\n",
am_sender?"on":"to",
request, auth_user, host, addr);
} else {
rprintf(FINFO,"rsync %s %s from %s (%s)\n",
am_sender?"on":"to",
request, host, addr);
}
free(request);
}
#if !TRIDGE
/* don't allow the logs to be flooded too fast */
if (verbose > 1) verbose = 1;
#endif
argc -= optind;
argp = argv + optind;
optind = 0;
if (remote_version > 17 && am_sender)
io_start_multiplex_out(fd);
if (!ret) {
option_error();
}
if (lp_timeout(i)) {
extern int io_timeout;
io_timeout = lp_timeout(i);
}
start_server(fd, fd, argc, argp);
return 0;
}
int options_init(int argc, char *argv[])
{
int flag;
memset(&options, 0, sizeof (struct options));
options.exclude_list = list_new();
while ((flag = getopt_long(argc, argv, "C:in:fv::o:xre:E:d:p:", possible_options, NULL)) != -1)
{
switch (flag)
{
/* General options. */
case OPT_CHANGEDIR:
options.change_dir = optarg;
break;
case OPT_INTERACTIVE:
options.interactive = true;
break;
case OPT_NAME:
options.name = optarg;
break;
case OPT_FORCE:
options.force = true;
break;
/* Logging options. */
case OPT_VERBOSE:
if (optarg == NULL)
{
options.verbose = LOG_VERBOSE;
}
else
{
if (strcmp(optarg, "debug") == 0)
options.verbose = LOG_DEBUG;
else if (strcmp(optarg, "verbose") == 0)
options.verbose = LOG_VERBOSE;
else if (strcmp(optarg, "info") == 0)
options.verbose = LOG_INFO;
else if (strcmp(optarg, "warning") == 0)
options.verbose = LOG_WARNING;
else if (strcmp(optarg, "error") == 0)
options.verbose = LOG_ERROR;
else
logger(LOG_ERROR, "%s: invalid argument", optarg);
}
break;
case OPT_LOGFILE:
options.log_file = optarg;
break;
/* Hierarchy traversal options. */
case OPT_XDEV:
options.xdev = true;
break;
case OPT_DRYRUN:
options.dry_run = true;
break;
case OPT_EXCLUDE:
list_push_back(options.exclude_list, estrdup(optarg));
break;
case OPT_EXCLUDEFILE:
add_exclude_file(optarg);
break;
/* Droplet related options. */
case OPT_PROFILEDIR:
options.profile_dir = optarg;
break;
case OPT_PROFILE:
options.profile = optarg;
break;
case '?':
exit(EXIT_FAILURE);
};
}
return optind;
}
