int
main(
int argc,
char ** argv)
{
int ch;
char *exitstr;
amwait_t status;
if (argc > 1 && argv[1] && g_str_equal(argv[1], "--version")) {
printf("killpgrp-%s\n", VERSION);
return (0);
}
/*
* Configure program for internationalization:
* 1) Only set the message locale for now.
* 2) Set textdomain for all amanda related programs to "amanda"
* We don't want to be forced to support dozens of message catalogs.
*/
setlocale(LC_MESSAGES, "C");
textdomain("amanda");
safe_fd(-1, 0);
safe_cd();
set_pname("killpgrp");
dbopen(DBG_SUBDIR_CLIENT);
config_init(CONFIG_INIT_CLIENT, NULL);
if (argc < 2) {
error("Need at least 2 arguments\n");
/*NOTREACHED*/
}
dbprintf(_("version %s\n"), VERSION);
dbprintf(_("config: %s\n"), argv[1]);
if (!g_str_equal(argv[1], "NOCONFIG"))
dbrename(argv[1], DBG_SUBDIR_CLIENT);
#ifdef WANT_SETUID_CLIENT
check_running_as(RUNNING_AS_CLIENT_LOGIN | RUNNING_AS_UID_ONLY);
if (!become_root()) {
error(_("error [%s could not become root (is the setuid bit set?)]\n"), get_pname());
/*NOTREACHED*/
}
#else
check_running_as(RUNNING_AS_CLIENT_LOGIN);
#endif
if (AM_GETPGRP() != getpid()) {
error(_("error [must be the process group leader]"));
/*NOTREACHED*/
}
signal(SIGTERM, term_kill_soft);
/* Consume any extranious input */
do {
ch = getchar();
/* wait until EOF */
} while (ch != EOF);
term_kill_soft(0);
for(;;) {
if (wait(&status) != -1)
break;
if (errno != EINTR) {
error(_("error [wait() failed: %s]"), strerror(errno));
/*NOTREACHED*/
}
}
exitstr = str_exit_status("child", status);
dbprintf("%s\n", exitstr);
amfree(exitstr);
/*@ignore@*/
return WIFEXITED(status)?WEXITSTATUS(status):1;
/*@end@*/
}
/* return == NULL: correct
* != NULL: error message
*
* The ndmp-proxy is assumed to take a configuration name and a port number
* on its command line, and to immediately attempt to bind to that port. If
* the bind operation succeeds, it should print "OK\n" to stdout and close the
* file descriptor. If the operation fails because the address is already
* in use (and thus, most likely, there's another proxy running already), then
* it should print "INUSE\n", close the file descriptor, and exit. For any other
* failure, it should print a suitable error message and exit.
*/
static char *
start_ndmp_proxy(void)
{
char *ndmp_proxy;
GPtrArray *proxy_argv;
char buffer[32769];
int proxy_in, proxy_out, proxy_err;
int rc;
pid_t pid;
char *errmsg;
amwait_t wait_status;
proxy_argv = g_ptr_array_new();
g_ptr_array_add(proxy_argv, g_strdup("ndmp-proxy"));
g_ptr_array_add(proxy_argv, g_strdup(get_config_name()));
g_ptr_array_add(proxy_argv, g_strdup_printf("%d", getconf_int(CNF_NDMP_PROXY_PORT)));
g_ptr_array_add(proxy_argv, NULL);
ndmp_proxy = g_strdup_printf("%s/ndmp-proxy", amlibexecdir);
proxy_in = open("/dev/null", O_RDONLY);
proxy_err = debug_fd();
pid = pipespawnv(ndmp_proxy, STDOUT_PIPE, 0,
&proxy_in, &proxy_out, &proxy_err,
(char **)proxy_argv->pdata);
close(proxy_in);
g_ptr_array_free_full(proxy_argv);
g_debug("started ndmp-proxy with pid %d", pid);
/* wait for the proxy to say "OK" */
rc = full_read(proxy_out, buffer, sizeof(buffer)-1);
if (rc == -1) {
errmsg = g_strdup_printf("Error reading from ndmp-proxy: %s",
strerror(errno));
/* clean up the PID if possible */
waitpid(pid, NULL, WNOHANG);
return errmsg;
} else if (rc == 0) {
if (waitpid(pid, &wait_status, WNOHANG)) {
errmsg = str_exit_status("ndmp-proxy", wait_status);
} else {
errmsg = g_strdup_printf("unexpected EOF from ndmp-proxy");
}
return errmsg;
}
aclose(proxy_out);
/* process the output */
buffer[rc] = '\0';
if (0 == strcmp(buffer, "OK\n")) {
return NULL;
} else if (0 == strcmp(buffer, "INUSE\n")) {
g_warning("overlapping attempts to start ndmp-proxy; ignoring this attempt");
/* clean up the pid */
waitpid(pid, NULL, 0);
return NULL;
} else {
errmsg = g_strdup_printf("ndmp-proxy failed: %s", buffer);
return errmsg;
}
}
void
start_index(
int createindex,
int input,
int mesg,
int index,
char * cmd)
{
int pipefd[2];
FILE *pipe_fp;
int exitcode;
if (!createindex)
return;
if (pipe(pipefd) != 0) {
error(_("creating index pipe: %s"), strerror(errno));
/*NOTREACHED*/
}
switch(indexpid = fork()) {
case -1:
error(_("forking index tee process: %s"), strerror(errno));
/*NOTREACHED*/
default:
aclose(pipefd[0]);
if (dup2(pipefd[1], input) == -1) {
error(_("dup'ping index tee output: %s"), strerror(errno));
/*NOTREACHED*/
}
aclose(pipefd[1]);
return;
case 0:
break;
}
/* now in a child process */
save_fd(&pipefd[0], 4);
save_fd(&index, 4);
save_fd(&mesg, 4);
save_fd(&input, 4);
dup2(pipefd[0], 0);
dup2(index, 1);
dup2(mesg, 2);
dup2(input, 3);
for(index = 4; index < (int)FD_SETSIZE; index++) {
if (index != dbfd()) {
close(index);
}
}
if ((pipe_fp = popen(cmd, "w")) == NULL) {
error(_("couldn't start index creator [%s]"), strerror(errno));
/*NOTREACHED*/
}
dbprintf(_("Started index creator: \"%s\"\n"), cmd);
while(1) {
char buffer[BUFSIZ], *ptr;
ssize_t bytes_read;
size_t bytes_written;
size_t just_written;
do {
bytes_read = read(0, buffer, SIZEOF(buffer));
} while ((bytes_read < 0) && ((errno == EINTR) || (errno == EAGAIN)));
if (bytes_read < 0) {
error(_("index tee cannot read [%s]"), strerror(errno));
/*NOTREACHED*/
}
if (bytes_read == 0)
break; /* finished */
/* write the stuff to the subprocess */
ptr = buffer;
bytes_written = 0;
just_written = full_write(fileno(pipe_fp), ptr, (size_t)bytes_read);
if (just_written < (size_t)bytes_read) {
/*
* just as we waited for write() to complete.
*/
if (errno != EPIPE) {
dbprintf(_("Index tee cannot write to index creator [%s]\n"),
strerror(errno));
}
} else {
bytes_written += just_written;
ptr += just_written;
}
/* write the stuff to stdout, ensuring none lost when interrupt
occurs */
ptr = buffer;
bytes_written = 0;
just_written = full_write(3, ptr, bytes_read);
if (just_written < (size_t)bytes_read) {
error(_("index tee cannot write [%s]"), strerror(errno));
/*NOTREACHED*/
} else {
bytes_written += just_written;
ptr += just_written;
}
}
aclose(pipefd[1]);
/* finished */
/* check the exit code of the pipe and moan if not 0 */
if ((exitcode = pclose(pipe_fp)) != 0) {
char *exitstr = str_exit_status("Index pipe", exitcode);
dbprintf("%s\n", exitstr);
amfree(exitstr);
} else {
dbprintf(_("Index created successfully\n"));
}
pipe_fp = NULL;
exit(exitcode);
}
static void
check_disk(
dle_t *dle)
{
char *device = NULL;
char *err = NULL;
char *user_and_password = NULL;
char *domain = NULL;
char *share = NULL, *subdir = NULL;
size_t lpass = 0;
int amode = R_OK;
int access_result;
char *access_type;
char *extra_info = NULL;
char *qdisk = NULL;
char *qamdevice = NULL;
char *qdevice = NULL;
if (dle->disk) {
need_global_check=1;
qdisk = quote_string(dle->disk);
qamdevice = quote_string(dle->device);
device = g_strdup("nodevice");
dbprintf(_("checking disk %s\n"), qdisk);
if (GPOINTER_TO_INT(dle->estimatelist->data) == ES_CALCSIZE) {
if (dle->device[0] == '/' && dle->device[1] == '/') {
err = g_strdup_printf(
_("Can't use CALCSIZE for samba estimate, use CLIENT: %s"),
dle->device);
goto common_exit;
}
}
if (g_str_equal(dle->program, "GNUTAR")) {
if(dle->device[0] == '/' && dle->device[1] == '/') {
#ifdef SAMBA_CLIENT
int nullfd, checkerr;
int passwdfd;
char *pwtext;
size_t pwtext_len;
pid_t checkpid;
amwait_t retstat;
pid_t wpid;
int rc;
char *line;
char *sep;
FILE *ferr;
char *pw_fd_env;
int errdos;
parsesharename(dle->device, &share, &subdir);
if (!share) {
err = g_strdup_printf(
_("cannot parse for share/subdir disk entry %s"),
dle->device);
goto common_exit;
}
if ((subdir) && (SAMBA_VERSION < 2)) {
err = g_strdup_printf(_("subdirectory specified for share '%s' but, samba is not v2 or better"),
dle->device);
goto common_exit;
}
if ((user_and_password = findpass(share, &domain)) == NULL) {
err = g_strdup_printf(_("cannot find password for %s"),
dle->device);
goto common_exit;
}
lpass = strlen(user_and_password);
if ((pwtext = strchr(user_and_password, '%')) == NULL) {
err = g_strdup_printf(
_("password field not \'user%%pass\' for %s"),
dle->device);
goto common_exit;
}
*pwtext++ = '\0';
pwtext_len = (size_t)strlen(pwtext);
amfree(device);
if ((device = makesharename(share, 0)) == NULL) {
err = g_strdup_printf(_("cannot make share name of %s"), share);
goto common_exit;
}
if ((nullfd = open("/dev/null", O_RDWR)) == -1) {
err = g_strdup_printf(_("Cannot access /dev/null : %s"),
strerror(errno));
goto common_exit;
}
if (pwtext_len > 0) {
pw_fd_env = "PASSWD_FD";
} else {
pw_fd_env = "dummy_PASSWD_FD";
}
checkpid = pipespawn(SAMBA_CLIENT, STDERR_PIPE|PASSWD_PIPE, 0,
&nullfd, &nullfd, &checkerr,
pw_fd_env, &passwdfd,
"smbclient",
device,
*user_and_password ? "-U" : skip_argument,
*user_and_password ? user_and_password
: skip_argument,
"-E",
domain ? "-W" : skip_argument,
domain ? domain : skip_argument,
#if SAMBA_VERSION >= 2
subdir ? "-D" : skip_argument,
subdir ? subdir : skip_argument,
#endif
"-c", "quit",
NULL);
checkpid = checkpid;
amfree(domain);
aclose(nullfd);
/*@ignore@*/
if ((pwtext_len > 0) &&
full_write(passwdfd, pwtext, pwtext_len) < pwtext_len) {
err = g_strdup_printf(_("password write failed: %s: %s"),
dle->device, strerror(errno));
aclose(passwdfd);
goto common_exit;
}
/*@end@*/
memset(user_and_password, '\0', (size_t)lpass);
amfree(user_and_password);
aclose(passwdfd);
ferr = fdopen(checkerr, "r");
if (!ferr) {
g_printf(_("ERROR [Can't fdopen ferr: %s]\n"), strerror(errno));
error(_("Can't fdopen ferr: %s"), strerror(errno));
/*NOTREACHED*/
}
sep = "";
errdos = 0;
for(sep = ""; (line = agets(ferr)) != NULL; free(line)) {
if (line[0] == '\0')
continue;
strappend(extra_info, sep);
strappend(extra_info, line);
sep = ": ";
if(strstr(line, "ERRDOS") != NULL) {
errdos = 1;
}
}
afclose(ferr);
checkerr = -1;
rc = 0;
sep = "";
while ((wpid = wait(&retstat)) != -1) {
if (!WIFEXITED(retstat) || WEXITSTATUS(retstat) != 0) {
char *exitstr = str_exit_status("smbclient", retstat);
strappend(err, sep);
strappend(err, exitstr);
sep = "\n";
amfree(exitstr);
rc = 1;
}
}
if (errdos != 0 || rc != 0) {
char *tmpbuf;
if (extra_info) {
tmpbuf = g_strdup_printf( _("samba access error: %s: %s %s"),
dle->device, extra_info, err);
amfree(extra_info);
} else {
tmpbuf = g_strdup_printf(_("samba access error: %s: %s"),
dle->device, err);
}
g_free(err);
err = tmpbuf;
}
#else
err = g_strdup_printf(
_("This client is not configured for samba: %s"),
qdisk);
#endif
goto common_exit;
}
amode = F_OK;
amfree(device);
device = amname_to_dirname(dle->device);
} else if (g_str_equal(dle->program, "DUMP")) {
if(dle->device[0] == '/' && dle->device[1] == '/') {
err = g_strdup_printf(
_("The DUMP program cannot handle samba shares, use GNUTAR: %s"),
qdisk);
goto common_exit;
}
#ifdef VDUMP /* { */
#ifdef DUMP /* { */
if (g_str_equal(amname_to_fstype(dle->device), "advfs"))
#else /* }{*/
if (1)
#endif /* } */
{
amfree(device);
device = amname_to_dirname(dle->device);
amode = F_OK;
} else
#endif /* } */
{
amfree(device);
device = amname_to_devname(dle->device);
#ifdef USE_RUNDUMP
amode = F_OK;
#else
amode = R_OK;
#endif
}
}
}
if (dle->program_is_application_api) {
pid_t application_api_pid;
backup_support_option_t *bsu;
int app_err[2];
GPtrArray *errarray;
bsu = backup_support_option(dle->program, g_options, dle->disk,
dle->device, &errarray);
if (!bsu) {
char *line;
guint i;
for (i=0; i < errarray->len; i++) {
line = g_ptr_array_index(errarray, i);
fprintf(stdout, _("ERROR Application '%s': %s\n"),
dle->program, line);
amfree(line);
}
err = g_strdup_printf(_("Application '%s': can't run support command"),
dle->program);
goto common_exit;
}
if (dle->data_path == DATA_PATH_AMANDA &&
(bsu->data_path_set & DATA_PATH_AMANDA)==0) {
g_printf("ERROR application %s doesn't support amanda data-path\n",
dle->program);
}
if (dle->data_path == DATA_PATH_DIRECTTCP &&
(bsu->data_path_set & DATA_PATH_DIRECTTCP)==0) {
g_printf("ERROR application %s doesn't support directtcp data-path\n",
dle->program);
}
if (GPOINTER_TO_INT(dle->estimatelist->data) == ES_CALCSIZE &&
!bsu->calcsize) {
g_printf("ERROR application %s doesn't support calcsize estimate\n",
dle->program);
}
if (dle->include_file && dle->include_file->nb_element > 0 &&
!bsu->include_file) {
g_printf("ERROR application %s doesn't support include-file\n",
dle->program);
}
if (dle->include_list && dle->include_list->nb_element > 0 &&
!bsu->include_list) {
g_printf("ERROR application %s doesn't support include-list\n",
dle->program);
}
if (dle->include_optional && !bsu->include_optional) {
g_printf("ERROR application %s doesn't support optional include\n",
dle->program);
}
if (dle->exclude_file && dle->exclude_file->nb_element > 0 &&
!bsu->exclude_file) {
g_printf("ERROR application %s doesn't support exclude-file\n",
dle->program);
}
if (dle->exclude_list && dle->exclude_list->nb_element > 0 &&
!bsu->exclude_list) {
g_printf("ERROR application %s doesn't support exclude-list\n",
dle->program);
}
if (dle->exclude_optional && !bsu->exclude_optional) {
g_printf("ERROR application %s doesn't support optional exclude\n",
dle->program);
}
fflush(stdout);fflush(stderr);
if (pipe(app_err) < 0) {
err = g_strdup_printf(_("Application '%s': can't create pipe"),
dle->program);
goto common_exit;
}
switch (application_api_pid = fork()) {
case -1:
err = g_strdup_printf(_("fork failed: %s"), strerror(errno));
goto common_exit;
case 0: /* child */
{
GPtrArray *argv_ptr = g_ptr_array_new();
GPtrArray *argv_quoted = g_ptr_array_new();
gchar **args, **quoted_strings, **ptr;
char *cmd = g_strjoin(NULL, APPLICATION_DIR, "/", dle->program, NULL);
GSList *scriptlist;
script_t *script;
estimatelist_t el;
char *cmdline;
aclose(app_err[0]);
dup2(app_err[1], 2);
g_ptr_array_add(argv_ptr, g_strdup(dle->program));
g_ptr_array_add(argv_ptr, g_strdup("selfcheck"));
if (bsu->message_line == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--message"));
g_ptr_array_add(argv_ptr, g_strdup("line"));
}
if (g_options->config != NULL && bsu->config == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--config"));
g_ptr_array_add(argv_ptr, g_strdup(g_options->config));
}
if (g_options->hostname != NULL && bsu->host == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--host"));
g_ptr_array_add(argv_ptr, g_strdup(g_options->hostname));
}
if (dle->disk != NULL && bsu->disk == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--disk"));
g_ptr_array_add(argv_ptr, g_strdup(dle->disk));
}
if (dle->device) {
g_ptr_array_add(argv_ptr, g_strdup("--device"));
g_ptr_array_add(argv_ptr, g_strdup(dle->device));
}
if (dle->create_index && bsu->index_line == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--index"));
g_ptr_array_add(argv_ptr, g_strdup("line"));
}
if (dle->record && bsu->record == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--record"));
}
for (el = dle->estimatelist; el != NULL; el=el->next) {
estimate_t estimate = (estimate_t)GPOINTER_TO_INT(el->data);
if (estimate == ES_CALCSIZE && bsu->calcsize == 1) {
g_ptr_array_add(argv_ptr, g_strdup("--calcsize"));
}
}
application_property_add_to_argv(argv_ptr, dle, bsu,
g_options->features);
for (scriptlist = dle->scriptlist; scriptlist != NULL;
scriptlist = scriptlist->next) {
script = (script_t *)scriptlist->data;
if (script->result && script->result->proplist) {
property_add_to_argv(argv_ptr,
script->result->proplist);
}
}
g_ptr_array_add(argv_ptr, NULL);
args = (gchar **)g_ptr_array_free(argv_ptr, FALSE);
/*
* Build the command line to display
*/
g_ptr_array_add(argv_quoted, g_strdup(cmd));
for (ptr = args; *ptr; ptr++)
g_ptr_array_add(argv_quoted, quote_string(*ptr));
g_ptr_array_add(argv_quoted, NULL);
quoted_strings = (gchar **)g_ptr_array_free(argv_quoted, FALSE);
cmdline = g_strjoinv(" ", quoted_strings);
g_strfreev(quoted_strings);
dbprintf(_("Spawning \"%s\" in pipeline\n"), cmdline);
amfree(cmdline);
safe_fd(-1, 0);
execve(cmd, args, safe_env());
g_printf(_("ERROR [Can't execute %s: %s]\n"), cmd, strerror(errno));
exit(127);
}
default: /* parent */
{
int status;
FILE *app_stderr;
char *line;
aclose(app_err[1]);
app_stderr = fdopen(app_err[0], "r");
if (!app_stderr) {
g_printf(_("ERROR [Can't fdopen app_stderr: %s]\n"),
strerror(errno));
error(_("Can't fdopen app_stderr: %s"), strerror(errno));
/*NOTREACHED*/
}
while((line = agets(app_stderr)) != NULL) {
if (strlen(line) > 0) {
fprintf(stdout, "ERROR Application '%s': %s\n",
dle->program, line);
dbprintf("ERROR %s\n", line);
}
amfree(line);
}
fclose(app_stderr);
if (waitpid(application_api_pid, &status, 0) < 0) {
err = g_strdup_printf(_("waitpid failed: %s"),
strerror(errno));
goto common_exit;
} else if (!WIFEXITED(status)) {
err = g_strdup_printf(_("Application '%s': exited with signal %d"),
dle->program, WTERMSIG(status));
goto common_exit;
} else if (WEXITSTATUS(status) != 0) {
err = g_strdup_printf(_("Application '%s': exited with status %d"),
dle->program, WEXITSTATUS(status));
goto common_exit;
}
}
}
amfree(bsu);
fflush(stdout);fflush(stderr);
amfree(device);
amfree(qamdevice);
amfree(qdisk);
return;
}
if (device) {
qdevice = quote_string(device);
dbprintf(_("device %s\n"), qdevice);
/* skip accessability test if this is an AFS entry */
if(strncmp_const(device, "afs:") != 0) {
#ifdef CHECK_FOR_ACCESS_WITH_OPEN
access_result = open(device, O_RDONLY);
access_type = "open";
#else
access_result = access(device, amode);
access_type = "access";
#endif
if(access_result == -1) {
err = g_strdup_printf(_("Could not %s %s (%s): %s"),
access_type, qdevice, qdisk, strerror(errno));
}
#ifdef CHECK_FOR_ACCESS_WITH_OPEN
aclose(access_result);
#endif
}
}
common_exit:
if (!qdevice)
qdevice = quote_string(device);
amfree(share);
amfree(subdir);
if(user_and_password) {
memset(user_and_password, '\0', (size_t)lpass);
amfree(user_and_password);
}
amfree(domain);
if(err) {
g_printf(_("ERROR %s\n"), err);
dbprintf(_("%s\n"), err);
amfree(err);
} else {
if (dle->disk) {
g_printf("OK %s\n", qdisk);
dbprintf(_("disk %s OK\n"), qdisk);
}
if (dle->device) {
g_printf("OK %s\n", qamdevice);
dbprintf(_("amdevice %s OK\n"), qamdevice);
}
if (device) {
g_printf("OK %s\n", qdevice);
dbprintf(_("device %s OK\n"), qdevice);
}
}
if(extra_info) {
dbprintf(_("extra info: %s\n"), extra_info);
amfree(extra_info);
}
amfree(qdisk);
amfree(qdevice);
amfree(qamdevice);
amfree(device);
/* XXX perhaps do something with level: read dumpdates and sanity check */
}
