2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1999 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
28 * $Id: amandad.c,v 1.18 2006/08/21 20:17:09 martinea Exp $
30 * handle client-host side of Amanda network communications, including
31 * security checks, execution of the proper service, and acking the
39 #include "amfeatures.h"
47 #define REP_TIMEOUT (6*60*60) /* secs for service to reply */
48 #define ACK_TIMEOUT 10 /* XXX should be configurable */
49 #define STDERR_PIPE (DATA_FD_COUNT + 1)
51 #define amandad_debug(i, ...) do { \
52 if ((i) <= debug_amandad) { \
53 dbprintf(__VA_ARGS__); \
58 * These are the actions for entering the state machine
60 typedef enum { A_START, A_RECVPKT, A_RECVREP, A_PENDING, A_FINISH, A_CONTINUE,
61 A_SENDNAK, A_TIMEOUT } action_t;
64 * This is a state in the state machine. It is a function pointer to
65 * the function that actually implements the state.
67 struct active_service;
68 typedef action_t (*state_t)(struct active_service *, action_t, pkt_t *);
70 /* string that we scan for in sendbackup's MESG stream */
71 static const char info_end_str[] = "sendbackup: info end\n";
72 #define INFO_END_LEN (sizeof(info_end_str)-1)
75 * Here are the services that we allow.
76 * Must be in the same order as services[].
87 static struct services {
92 { "noop", 1, SERVICE_NOOP },
93 { "sendsize", 1, SERVICE_SENDSIZE },
94 { "sendbackup", 1, SERVICE_SENDBACKUP },
95 { "selfcheck", 1, SERVICE_SELFCHECK },
96 { "amindexd", 0, SERVICE_AMINDEXD },
97 { "amidxtaped", 0, SERVICE_AMIDXTAPED }
99 #define NSERVICES (int)(sizeof(services) / sizeof(services[0]))
102 * This structure describes an active running service.
104 * An active service is something running that we have received
105 * a request for. This structure holds info on that service, including
106 * file descriptors for data, etc, as well as the security handle
107 * for communications with the amanda server.
109 struct active_service {
110 service_t service; /* service name */
111 char *cmd; /* name of command we ran */
112 char *arguments; /* arguments we sent it */
113 security_handle_t *security_handle; /* remote server */
114 state_t state; /* how far this has progressed */
115 pid_t pid; /* pid of subprocess */
116 int send_partial_reply; /* send PREP packet */
117 int reqfd; /* pipe to write requests */
118 int repfd; /* pipe to read replies */
119 int errfd; /* pipe to read stderr */
120 event_handle_t *ev_repfd; /* read event handle for repfd */
121 event_handle_t *ev_reptimeout; /* timeout for rep data */
122 event_handle_t *ev_errfd; /* read event handle for errfd */
123 pkt_t rep_pkt; /* rep packet we're sending out */
124 char *errbuf; /* buffer to read the err into */
125 char *repbuf; /* buffer to read the rep into */
126 size_t bufsize; /* length of repbuf */
127 size_t repbufsize; /* length of repbuf */
128 int repretry; /* times we'll retry sending the rep */
129 int seen_info_end; /* have we seen "sendbackup info end\n"? */
130 char info_end_buf[INFO_END_LEN]; /* last few bytes read, used for scanning for info end */
133 * General user streams to the process, and their equivalent
136 struct datafd_handle {
137 int fd_read; /* pipe to child process */
138 int fd_write; /* pipe to child process */
139 event_handle_t *ev_read; /* it's read event handle */
140 event_handle_t *ev_write; /* it's write event handle */
141 security_stream_t *netfd; /* stream to amanda server */
142 struct active_service *as; /* pointer back to our enclosure */
143 } data[DATA_FD_COUNT];
144 char databuf[NETWORK_BLOCK_BYTES]; /* buffer to relay netfd data in */
148 * Queue of outstanding requests that we are running.
150 GSList *serviceq = NULL;
152 static int wait_30s = 1;
153 static int exit_on_qlength = 1;
154 static char *auth = NULL;
155 static kencrypt_type amandad_kencrypt = KENCRYPT_NONE;
157 int main(int argc, char **argv);
159 static int allocstream(struct active_service *, int);
160 static void exit_check(void *);
161 static void protocol_accept(security_handle_t *, pkt_t *);
162 static void state_machine(struct active_service *, action_t, pkt_t *);
164 static action_t s_sendack(struct active_service *, action_t, pkt_t *);
165 static action_t s_repwait(struct active_service *, action_t, pkt_t *);
166 static action_t s_processrep(struct active_service *, action_t, pkt_t *);
167 static action_t s_sendrep(struct active_service *, action_t, pkt_t *);
168 static action_t s_ackwait(struct active_service *, action_t, pkt_t *);
170 static void repfd_recv(void *);
171 static void process_errfd(void *cookie);
172 static void errfd_recv(void *);
173 static void timeout_repfd(void *);
174 static void protocol_recv(void *, pkt_t *, security_status_t);
175 static void process_readnetfd(void *);
176 static void process_writenetfd(void *, void *, ssize_t);
177 static struct active_service *service_new(security_handle_t *,
178 const char *, service_t, const char *);
179 static void service_delete(struct active_service *);
180 static int writebuf(struct active_service *, const void *, size_t);
181 static ssize_t do_sendpkt(security_handle_t *handle, pkt_t *pkt);
182 static char *amandad_get_security_conf (char *, void *);
184 static const char *state2str(state_t);
185 static const char *action2str(action_t);
195 const security_driver_t *secdrv;
197 char *pgm = "amandad"; /* in case argv[0] is not set */
198 #if defined(USE_REUSEADDR)
204 * Configure program for internationalization:
205 * 1) Only set the message locale for now.
206 * 2) Set textdomain for all amanda related programs to "amanda"
207 * We don't want to be forced to support dozens of message catalogs.
209 setlocale(LC_MESSAGES, "C");
210 textdomain("amanda");
216 * Nexenta needs the SUN_PERSONALITY env variable to be unset, otherwise
217 * the Sun version of tar in /usr/sun/sbin/tar is called instead.
219 * On other operating systems this will have no effect.
223 unsetenv("SUN_PERSONALITY");
227 * When called via inetd, it is not uncommon to forget to put the
228 * argv[0] value on the config line. On some systems (e.g. Solaris)
229 * this causes argv and/or argv[0] to be NULL, so we have to be
230 * careful getting our name.
232 if ((argv == NULL) || (argv[0] == NULL)) {
233 pgm = "amandad"; /* in case argv[0] is not set */
235 pgm = basename(argv[0]); /* Strip of leading path get debug name */
238 dbopen(DBG_SUBDIR_AMANDAD);
241 error(_("argv == NULL\n"));
245 /* Don't die when child closes pipe */
246 signal(SIGPIPE, SIG_IGN);
248 /* Parse the configuration; we'll handle errors later */
249 config_init(CONFIG_INIT_CLIENT, NULL);
251 if (geteuid() == 0) {
252 check_running_as(RUNNING_AS_ROOT);
253 initgroups(CLIENT_LOGIN, get_client_gid());
254 setgid(get_client_gid());
255 setegid(get_client_gid());
256 seteuid(get_client_uid());
258 check_running_as(RUNNING_AS_CLIENT_LOGIN);
261 add_amanda_log_handler(amanda_log_stderr);
262 add_amanda_log_handler(amanda_log_syslog);
265 * ad-hoc argument parsing
267 * We accept -auth=[authentication type]
271 * We also add a list of services that amandad can launch
274 in = 0; out = 1; /* default to stdin/stdout */
276 for (i = 1; i < argc; i++) {
278 * Get a driver for a security type specified after -auth=
280 if (strncmp(argv[i], "-auth=", strlen("-auth=")) == 0) {
281 argv[i] += strlen("-auth=");
282 secdrv = security_getdriver(argv[i]);
284 if (secdrv == NULL) {
285 error(_("no driver for security type '%s'\n"), argv[i]);
292 * If -no-exit is specified, always run even after requests have
295 else if (strcmp(argv[i], "-no-exit") == 0) {
301 * Allow us to directly bind to a udp port for debugging.
302 * This may only apply to some security types.
304 else if (strncmp(argv[i], "-udp=", strlen("-udp=")) == 0) {
306 struct sockaddr_in6 sin;
308 struct sockaddr_in sin;
311 argv[i] += strlen("-udp=");
313 in = out = socket(AF_INET6, SOCK_DGRAM, 0);
315 in = out = socket(AF_INET, SOCK_DGRAM, 0);
318 error(_("can't create dgram socket: %s\n"), strerror(errno));
322 r = setsockopt(in, SOL_SOCKET, SO_REUSEADDR,
323 (void *)&on, (socklen_t_equiv)sizeof(on));
325 dbprintf(_("amandad: setsockopt(SO_REUSEADDR) failed: %s\n"),
331 sin.sin6_family = (sa_family_t)AF_INET6;
332 sin.sin6_addr = in6addr_any;
333 sin.sin6_port = (in_port_t)htons((in_port_t)atoi(argv[i]));
335 sin.sin_family = (sa_family_t)AF_INET;
336 sin.sin_addr.s_addr = INADDR_ANY;
337 sin.sin_port = (in_port_t)htons((in_port_t)atoi(argv[i]));
339 if (bind(in, (struct sockaddr *)&sin, (socklen_t_equiv)sizeof(sin)) < 0) {
340 error(_("can't bind to port %d: %s\n"), atoi(argv[i]),
346 * Ditto for tcp ports.
348 else if (strncmp(argv[i], "-tcp=", strlen("-tcp=")) == 0) {
350 struct sockaddr_in6 sin;
352 struct sockaddr_in sin;
357 argv[i] += strlen("-tcp=");
359 sock = socket(AF_INET6, SOCK_STREAM, 0);
361 sock = socket(AF_INET, SOCK_STREAM, 0);
364 error(_("can't create tcp socket: %s\n"), strerror(errno));
368 r = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
369 (void *)&on, (socklen_t_equiv)sizeof(on));
371 dbprintf(_("amandad: setsockopt(SO_REUSEADDR) failed: %s\n"),
376 sin.sin6_family = (sa_family_t)AF_INET6;
377 sin.sin6_addr = in6addr_any;
378 sin.sin6_port = (in_port_t)htons((in_port_t)atoi(argv[i]));
380 sin.sin_family = (sa_family_t)AF_INET;
381 sin.sin_addr.s_addr = INADDR_ANY;
382 sin.sin_port = (in_port_t)htons((in_port_t)atoi(argv[i]));
384 if (bind(sock, (struct sockaddr *)&sin, (socklen_t_equiv)sizeof(sin)) < 0) {
385 error(_("can't bind to port %d: %s\n"), atoi(argv[i]),
390 n = (socklen_t_equiv)sizeof(sin);
391 in = out = accept(sock, (struct sockaddr *)&sin, &n);
394 * It must be a service name
397 /* clear all services */
399 for (j = 0; j < (int)NSERVICES; j++)
400 services[j].active = 0;
404 if(strcmp(argv[i],"amdump") == 0) {
405 services[0].active = 1;
406 services[1].active = 1;
407 services[2].active = 1;
408 services[3].active = 1;
411 for (j = 0; j < (int)NSERVICES; j++)
412 if (strcmp(services[j].name, argv[i]) == 0)
414 if (j == (int)NSERVICES) {
415 dbprintf(_("%s: invalid service\n"), argv[i]);
418 services[j].active = 1;
424 * If no security type specified, use BSD
426 if (secdrv == NULL) {
427 secdrv = security_getdriver("BSD");
429 if (secdrv == NULL) {
430 error(_("no driver for default security type 'BSD'\n"));
435 if(strcasecmp(auth, "rsh") == 0 ||
436 strcasecmp(auth, "ssh") == 0 ||
437 strcasecmp(auth, "local") == 0 ||
438 strcasecmp(auth, "bsdtcp") == 0) {
443 #ifndef SINGLE_USERID
444 if (geteuid() == 0) {
445 if (strcasecmp(auth, "krb5") != 0) {
447 /* lookup our local user name */
448 if ((pwd = getpwnam(CLIENT_LOGIN)) == NULL) {
449 error(_("getpwnam(%s) failed."), CLIENT_LOGIN);
452 if (pwd->pw_uid != 0) {
453 error(_("'amandad' must be run as user '%s' when using '%s' authentication"),
458 if (strcasecmp(auth, "krb5") == 0) {
459 error(_("'amandad' must be run as user 'root' when using 'krb5' authentication"));
468 dbprintf(_("version %s\n"), VERSION);
469 for (i = 0; version_info[i] != NULL; i++) {
470 dbprintf(" %s", version_info[i]);
473 if (! (argc >= 1 && argv != NULL && argv[0] != NULL)) {
474 dbprintf(_("WARNING: argv[0] not defined: check inetd.conf\n"));
477 /* krb5 require the euid to be 0 */
478 if (strcasecmp(auth, "krb5") == 0) {
483 * Schedule to call protocol_accept() when new security handles
484 * are created on stdin.
486 security_accept(secdrv, amandad_get_security_conf, in, out, protocol_accept, NULL);
489 * Schedule an event that will try to exit every 30 seconds if there
490 * are no requests outstanding.
493 (void)event_register((event_id_t)30, EV_TIME, exit_check, &no_exit);
496 * Call event_loop() with an arg of 0, telling it to block until all
497 * events are completed.
508 * This runs periodically and checks to see if we have any active services
509 * still running. If we don't, then we quit.
517 assert(cookie != NULL);
518 no_exit = *(int *)cookie;
521 * If things are still running, then don't exit.
523 if (g_slist_length(serviceq) > 0)
527 * If the caller asked us to never exit, then we're done
537 * Handles new incoming protocol handles. This is a callback for
538 * security_accept(), which gets called when new handles are detected.
542 security_handle_t * handle,
547 struct active_service *as;
548 char *pktbody, *tok, *service, *arguments;
549 char *service_path = NULL;
550 GSList *errlist = NULL;
556 * If handle is NULL, then the connection is closed.
563 * If we have errors (not warnings) from the config file, let the remote system
564 * know immediately. Unfortunately, we only get one ERROR line, so if there
565 * are multiple errors, we just show the first.
567 if (config_errors(&errlist) >= CFGERR_ERRORS) {
568 GSList *iter = errlist;
570 gboolean multiple_errors = FALSE;
573 errmsg = (char *)iter->data;
575 multiple_errors = TRUE;
577 errmsg = "(no error message)";
580 pkt_init(&pkt_out, P_NAK, "ERROR %s%s", errmsg,
581 multiple_errors? _(" (additional errors not displayed)"):"");
582 do_sendpkt(handle, &pkt_out);
583 amfree(pkt_out.body);
584 security_close(handle);
588 g_debug("authenticated peer name is '%s'", security_get_authenticated_peer_name(handle));
591 * If pkt is NULL, then there was a problem with the new connection.
594 dbprintf(_("accept error: %s\n"), security_geterror(handle));
595 pkt_init(&pkt_out, P_NAK, "ERROR %s\n", security_geterror(handle));
596 do_sendpkt(handle, &pkt_out);
597 amfree(pkt_out.body);
598 security_close(handle);
602 dbprintf(_("accept recv %s pkt:\n<<<<<\n%s>>>>>\n"),
603 pkt_type2str(pkt->type), pkt->body);
606 * If this is not a REQ packet, just forget about it.
608 if (pkt->type != P_REQ) {
609 dbprintf(_("received unexpected %s packet:\n<<<<<\n%s>>>>>\n\n"),
610 pkt_type2str(pkt->type), pkt->body);
611 security_close(handle);
615 pktbody = service = arguments = NULL;
619 * Parse out the service and arguments
622 pktbody = stralloc(pkt->body);
624 tok = strtok(pktbody, " ");
627 if (strcmp(tok, "SERVICE") != 0)
630 tok = strtok(NULL, " \n");
633 service = stralloc(tok);
635 /* we call everything else 'arguments' */
636 tok = strtok(NULL, "");
639 arguments = stralloc(tok);
641 /* see if it's one we allow */
642 for (i = 0; i < (int)NSERVICES; i++)
643 if (services[i].active == 1 && strcmp(services[i].name, service) == 0)
645 if (i == (int)NSERVICES) {
646 dbprintf(_("%s: invalid service\n"), service);
647 pkt_init(&pkt_out, P_NAK, _("ERROR %s: invalid service, add '%s' as argument to amandad\n"), service, service);
651 service_path = vstralloc(amlibexecdir, "/", service, NULL);
652 if (access(service_path, X_OK) < 0) {
653 dbprintf(_("can't execute %s: %s\n"), service_path, strerror(errno));
654 pkt_init(&pkt_out, P_NAK,
655 _("ERROR execute access to \"%s\" denied\n"),
660 /* see if its already running */
661 for (iter = serviceq; iter != NULL; iter = g_slist_next(iter)) {
662 as = (struct active_service *)iter->data;
663 if (strcmp(as->cmd, service_path) == 0 &&
664 strcmp(as->arguments, arguments) == 0) {
665 dbprintf(_("%s %s: already running, acking req\n"),
667 pkt_init_empty(&pkt_out, P_ACK);
668 goto send_pkt_out_no_delete;
673 * create a new service instance, and send the arguments down
676 dbprintf(_("creating new service: %s\n%s\n"), service, arguments);
677 as = service_new(handle, service_path, services[i].service, arguments);
678 if (writebuf(as, arguments, strlen(arguments)) < 0) {
679 const char *errmsg = strerror(errno);
680 dbprintf(_("error sending arguments to %s: %s\n"), service, errmsg);
681 pkt_init(&pkt_out, P_NAK, _("ERROR error writing arguments to %s: %s\n"),
689 amfree(service_path);
693 * Move to the sendack state, and start up the state
696 as->state = s_sendack;
697 state_machine(as, A_START, NULL);
701 pkt_init(&pkt_out, P_NAK, _("ERROR invalid REQ\n"));
702 dbprintf(_("received invalid %s packet:\n<<<<<\n%s>>>>>\n\n"),
703 pkt_type2str(pkt->type), pkt->body);
708 send_pkt_out_no_delete:
710 amfree(service_path);
713 do_sendpkt(handle, &pkt_out);
714 security_close(handle);
715 amfree(pkt_out.body);
719 * Handles incoming protocol packets. Routes responses to the proper
724 struct active_service * as,
732 amandad_debug(1, _("state_machine: %p entering\n"), as);
734 curstate = as->state;
735 amandad_debug(1, _("state_machine: %p curstate=%s action=%s\n"), as,
736 state2str(curstate), action2str(action));
737 retaction = (*curstate)(as, action, pkt);
738 amandad_debug(1, _("state_machine: %p curstate=%s returned %s (nextstate=%s)\n"),
739 as, state2str(curstate), action2str(retaction),
740 state2str(as->state));
744 * State has queued up and is now blocking on input.
747 amandad_debug(1, _("state_machine: %p leaving (A_PENDING)\n"), as);
751 * service has switched states. Loop.
757 * state has determined that the packet it received was bogus.
758 * Send a nak, and return.
761 dbprintf(_("received unexpected %s packet\n"),
762 pkt_type2str(pkt->type));
763 dbprintf(_("<<<<<\n%s----\n\n"), pkt->body);
764 pkt_init(&nak, P_NAK, _("ERROR unexpected packet type %s\n"),
765 pkt_type2str(pkt->type));
766 do_sendpkt(as->security_handle, &nak);
768 security_recvpkt(as->security_handle, protocol_recv, as, -1);
769 amandad_debug(1, _("state_machine: %p leaving (A_SENDNAK)\n"), as);
773 * Service is done. Remove it and finish.
776 amandad_debug(1, _("state_machine: %p leaving (A_FINISH)\n"), as);
789 * This state just sends an ack. After that, we move to the repwait
790 * state to wait for REP data to arrive from the subprocess.
794 struct active_service * as,
800 (void)action; /* Quiet unused parameter warning */
801 (void)pkt; /* Quiet unused parameter warning */
803 pkt_init_empty(&ack, P_ACK);
804 if (do_sendpkt(as->security_handle, &ack) < 0) {
805 dbprintf(_("error sending ACK: %s\n"),
806 security_geterror(as->security_handle));
813 * move to the repwait state
814 * Setup a listener for data on the reply fd, but also
815 * listen for packets over the wire, as the server may
816 * poll us if we take a long time.
817 * Setup a timeout that will fire if it takes too long to
820 as->state = s_repwait;
821 as->ev_repfd = event_register((event_id_t)as->repfd, EV_READFD, repfd_recv, as);
822 as->ev_reptimeout = event_register(REP_TIMEOUT, EV_TIME,
825 as->ev_errfd = event_register((event_id_t)as->errfd, EV_READFD, errfd_recv, as);
826 security_recvpkt(as->security_handle, protocol_recv, as, -1);
831 * This is the repwait state. We have responded to the initial REQ with
832 * an ACK, and we are now waiting for the process we spawned to pass us
833 * data to send in a REP.
837 struct active_service * as,
850 * We normally shouldn't receive any packets while waiting
851 * for our REP data, but in some cases we do.
853 if (action == A_RECVPKT) {
856 * Another req for something that's running. Just send an ACK
857 * and go back and wait for more data.
859 if (pkt->type == P_REQ) {
860 dbprintf(_("received dup P_REQ packet, ACKing it\n"));
861 amfree(as->rep_pkt.body);
862 pkt_init_empty(&as->rep_pkt, P_ACK);
863 do_sendpkt(as->security_handle, &as->rep_pkt);
864 security_recvpkt(as->security_handle, protocol_recv, as, -1);
867 /* something unexpected. Nak it */
871 if (action == A_TIMEOUT) {
872 amfree(as->rep_pkt.body);
873 pkt_init(&as->rep_pkt, P_NAK, _("ERROR timeout on reply pipe\n"));
874 dbprintf(_("%s timed out waiting for REP data\n"), as->cmd);
875 do_sendpkt(as->security_handle, &as->rep_pkt);
879 assert(action == A_RECVREP);
880 if(as->bufsize == 0) {
881 as->bufsize = NETWORK_BLOCK_BYTES;
882 as->repbuf = alloc(as->bufsize);
886 n = read(as->repfd, as->repbuf + as->repbufsize,
887 as->bufsize - as->repbufsize - 1);
888 } while ((n < 0) && ((errno == EINTR) || (errno == EAGAIN)));
890 const char *errstr = strerror(errno);
891 dbprintf(_("read error on reply pipe: %s\n"), errstr);
892 amfree(as->rep_pkt.body);
893 pkt_init(&as->rep_pkt, P_NAK, _("ERROR read error on reply pipe: %s\n"),
895 do_sendpkt(as->security_handle, &as->rep_pkt);
899 /* If end of service, wait for process status */
901 pid = waitpid(as->pid, &retstat, WNOHANG);
902 if (as->service == SERVICE_NOOP ||
903 as->service == SERVICE_SENDSIZE ||
904 as->service == SERVICE_SELFCHECK) {
906 while (t<5 && pid == 0) {
909 pid = waitpid(as->pid, &retstat, WNOHANG);
916 pid = waitpid(as->pid, &retstat, WNOHANG);
920 if (! WIFEXITED(retstat)) {
922 code = WTERMSIG(retstat);
923 } else if (WEXITSTATUS(retstat) != 0) {
925 code = WEXITSTATUS(retstat);
928 dbprintf(_("service %s failed: pid %u exited with %s %d\n"),
929 (as->cmd)?as->cmd:_("??UNKONWN??"),
933 _("ERROR service %s failed: pid %u exited with %s %d\n"),
934 (as->cmd)?as->cmd:_("??UNKONWN??"), (unsigned)as->pid,
936 if (as->repbufsize + strlen(msg) >= (as->bufsize - 1)) {
938 repbuf_temp = alloc(as->bufsize);
939 memcpy(repbuf_temp, as->repbuf, as->repbufsize + 1);
941 as->repbuf = repbuf_temp;
943 strcpy(as->repbuf + as->repbufsize, msg);
944 as->repbufsize += strlen(msg);
951 * If we got some data, go back and wait for more, or EOF. Nul terminate
954 as->repbuf[n + as->repbufsize] = '\0';
957 if(as->repbufsize >= (as->bufsize - 1)) {
959 repbuf_temp = alloc(as->bufsize);
960 memcpy(repbuf_temp, as->repbuf, as->repbufsize + 1);
962 as->repbuf = repbuf_temp;
964 else if(as->send_partial_reply) {
965 amfree(as->rep_pkt.body);
966 pkt_init(&as->rep_pkt, P_PREP, "%s", as->repbuf);
967 do_sendpkt(as->security_handle, &as->rep_pkt);
968 amfree(as->rep_pkt.body);
969 pkt_init_empty(&as->rep_pkt, P_REP);
976 * If we got 0, then we hit EOF. Process the data and release
981 assert(as->ev_repfd != NULL);
982 event_release(as->ev_repfd);
985 assert(as->ev_reptimeout != NULL);
986 event_release(as->ev_reptimeout);
987 as->ev_reptimeout = NULL;
989 as->state = s_processrep;
995 * After we have read in all of the rep data, we process it and send
996 * it out as a REP packet.
1000 struct active_service * as,
1006 (void)action; /* Quiet unused parameter warning */
1007 (void)pkt; /* Quiet unused parameter warning */
1010 * Copy the rep lines into the outgoing packet.
1012 * If this line is a CONNECT, translate it
1013 * Format is "CONNECT <tag> <handle> <tag> <handle> etc...
1016 * CONNECT DATA 4 MESG 5 INDEX 6
1018 * The tags are arbitrary. The handles are in the DATA_FD pool.
1019 * We need to map these to security streams and pass them back
1020 * to the amanda server. If the handle is -1, then we don't map.
1022 if (strncmp_const(as->repbuf,"KENCRYPT\n") == 0) {
1023 amandad_kencrypt = KENCRYPT_WILL_DO;
1024 repbuf = stralloc(as->repbuf + 9);
1026 repbuf = stralloc(as->repbuf);
1028 amfree(as->rep_pkt.body);
1029 pkt_init_empty(&as->rep_pkt, P_REP);
1030 tok = strtok(repbuf, " ");
1033 if (strcmp(tok, "CONNECT") == 0) {
1034 char *line, *nextbuf;
1036 /* Save the entire line */
1037 line = strtok(NULL, "\n");
1038 /* Save the buf following the line */
1039 nextbuf = strtok(NULL, "");
1041 if (line == NULL || nextbuf == NULL)
1044 pkt_cat(&as->rep_pkt, "CONNECT");
1046 /* loop over the id/handle pairs */
1049 tok = strtok(line, " ");
1050 line = NULL; /* keep working from line */
1053 pkt_cat(&as->rep_pkt, " %s", tok);
1056 tok = strtok(NULL, " \n");
1059 /* convert the handle into something the server can process */
1060 pkt_cat(&as->rep_pkt, " %d", allocstream(as, atoi(tok)));
1062 pkt_cat(&as->rep_pkt, "\n%s", nextbuf);
1065 pkt_cat(&as->rep_pkt, "%s", as->repbuf);
1069 * We've setup our REP packet in as->rep_pkt. Now move to the transmission
1072 as->state = s_sendrep;
1073 as->repretry = getconf_int(CNF_REP_TRIES);
1075 return (A_CONTINUE);
1079 * This is the state where we send the REP we just collected from our child.
1083 struct active_service * as,
1087 (void)action; /* Quiet unused parameter warning */
1088 (void)pkt; /* Quiet unused parameter warning */
1091 * Transmit it and move to the ack state.
1093 do_sendpkt(as->security_handle, &as->rep_pkt);
1094 security_recvpkt(as->security_handle, protocol_recv, as, ACK_TIMEOUT);
1095 as->state = s_ackwait;
1100 * This is the state in which we wait for the server to ACK the REP
1105 struct active_service * as,
1109 struct datafd_handle *dh;
1113 * If we got a timeout, try again, but eventually give up.
1115 if (action == A_TIMEOUT) {
1116 if (--as->repretry > 0) {
1117 as->state = s_sendrep;
1118 return (A_CONTINUE);
1120 dbprintf(_("timeout waiting for ACK for our REP\n"));
1123 amandad_debug(1, _("received ACK, now opening streams\n"));
1125 assert(action == A_RECVPKT);
1127 if (pkt->type == P_REQ) {
1128 dbprintf(_("received dup P_REQ packet, resending REP\n"));
1129 as->state = s_sendrep;
1130 return (A_CONTINUE);
1133 if (pkt->type != P_ACK)
1136 if (amandad_kencrypt == KENCRYPT_WILL_DO) {
1137 amandad_kencrypt = KENCRYPT_YES;
1141 * Got the ack, now open the pipes
1143 for (dh = &as->data[0]; dh < &as->data[DATA_FD_COUNT]; dh++) {
1144 if (dh->netfd == NULL)
1146 dbprintf("opening security stream for fd %d\n", (int)(dh - as->data) + DATA_FD_OFFSET);
1147 if (security_stream_accept(dh->netfd) < 0) {
1148 dbprintf(_("stream %td accept failed: %s\n"),
1149 dh - &as->data[0], security_geterror(as->security_handle));
1150 security_stream_close(dh->netfd);
1155 /* setup an event for reads from it. As a special case, don't start
1156 * listening on as->data[0] until we read some data on another fd, if
1157 * the service is sendbackup. This ensures that we send a MESG or
1158 * INDEX token before any DATA tokens, as dumper assumes. This is a
1159 * hack, if that wasn't already obvious! */
1160 if (dh != &as->data[0] || as->service != SERVICE_SENDBACKUP) {
1161 dh->ev_read = event_register((event_id_t)dh->fd_read, EV_READFD,
1162 process_readnetfd, dh);
1164 amandad_debug(1, "Skipping registration of sendbackup's data FD\n");
1167 security_stream_read(dh->netfd, process_writenetfd, dh);
1172 * Pipes are open, so auth them. Count them at the same time.
1174 for (npipes = 0, dh = &as->data[0]; dh < &as->data[DATA_FD_COUNT]; dh++) {
1175 if (dh->netfd == NULL)
1177 if (security_stream_auth(dh->netfd) < 0) {
1178 security_stream_close(dh->netfd);
1180 event_release(dh->ev_read);
1181 event_release(dh->ev_write);
1183 dh->ev_write = NULL;
1190 * If no pipes are open, then we're done. Otherwise, just start running.
1191 * The event handlers on all of the pipes will take it from here.
1193 amandad_debug(1, _("at end of s_ackwait, npipes is %d\n"), npipes);
1197 security_close(as->security_handle);
1198 as->security_handle = NULL;
1204 * Called when a repfd has received data
1210 struct active_service *as = cookie;
1213 assert(as->ev_repfd != NULL);
1215 state_machine(as, A_RECVREP, NULL);
1222 struct active_service *as = cookie;
1224 /* Process errfd before sending the REP packet */
1226 SELECT_ARG_TYPE readset;
1230 memset(&tv, 0, SIZEOF(tv));
1232 FD_SET(as->errfd, &readset);
1233 nfound = select(as->errfd+1, &readset, NULL, NULL, &tv);
1234 if (nfound && FD_ISSET(as->errfd, &readset)) {
1241 * Called when a errfd has received data
1247 struct active_service *as = cookie;
1253 assert(as->ev_errfd != NULL);
1255 n = read(as->errfd, &buf, 32768);
1258 /* Terminate it with '\0' */
1262 as->errbuf = vstrextend(&as->errbuf, buf, NULL);
1264 as->errbuf = stralloc(buf);
1266 } else if (n == 0) {
1267 event_release(as->ev_errfd);
1268 as->ev_errfd = NULL;
1269 } else { /* n < 0 */
1270 event_release(as->ev_errfd);
1271 as->ev_errfd = NULL;
1272 g_snprintf(buf, 32768,
1273 "error reading stderr or service: %s\n", strerror(errno));
1276 /* for each line terminate by '\n' */
1277 while (as->errbuf != NULL && (r = strchr(as->errbuf, '\n')) != NULL) {
1281 s = vstrallocf("ERROR service %s: %s\n",
1282 services[as->service].name, as->errbuf);
1284 /* Add to repbuf, error message will be in the REP packet if it
1285 * is not already sent
1288 if (as->bufsize == 0) {
1289 as->bufsize = NETWORK_BLOCK_BYTES;
1290 as->repbuf = alloc(as->bufsize);
1292 while (as->bufsize < as->repbufsize + n) {
1295 repbuf_temp = alloc(as->bufsize);
1296 memcpy(repbuf_temp, as->repbuf, as->repbufsize + 1);
1298 as->repbuf = repbuf_temp;
1300 memcpy(as->repbuf + as->repbufsize, s, n);
1301 as->repbufsize += n;
1305 /* remove first line from buffer */
1314 * Called when a repfd has timed out
1320 struct active_service *as = cookie;
1323 assert(as->ev_reptimeout != NULL);
1325 state_machine(as, A_TIMEOUT, NULL);
1329 * Called when a handle has received data
1335 security_status_t status)
1337 struct active_service *as = cookie;
1343 dbprintf(_("received %s pkt:\n<<<<<\n%s>>>>>\n"),
1344 pkt_type2str(pkt->type), pkt->body);
1345 state_machine(as, A_RECVPKT, pkt);
1348 dbprintf(_("timeout\n"));
1349 state_machine(as, A_TIMEOUT, NULL);
1352 dbprintf(_("receive error: %s\n"),
1353 security_geterror(as->security_handle));
1359 * This is a generic relay function that just reads data from one of
1360 * the process's pipes and passes it up the equivalent security_stream_t
1367 struct datafd_handle *dh = cookie;
1368 struct active_service *as = dh->as;
1374 n = read(dh->fd_read, as->databuf, SIZEOF(as->databuf));
1375 } while ((n < 0) && ((errno == EINTR) || (errno == EAGAIN)));
1381 pkt_init(&nak, P_NAK, _("A ERROR data descriptor %d broken: %s\n"),
1382 dh->fd_read, strerror(errno));
1386 * Process has closed the pipe. Just remove this event handler.
1387 * If all pipes are closed, shut down this service.
1390 event_release(dh->ev_read);
1392 if(dh->ev_write == NULL) {
1393 security_stream_close(dh->netfd);
1396 for (dh = &as->data[0]; dh < &as->data[DATA_FD_COUNT]; dh++) {
1397 if (dh->netfd != NULL)
1404 /* Handle the special case of recognizing "sendbackup info end"
1405 * from sendbackup's MESG fd */
1406 if (as->service == SERVICE_SENDBACKUP && !as->seen_info_end && dh == &as->data[1]) {
1407 /* make a buffer containing the combined data from info_end_buf
1408 * and what we've read this time, and search it for info_end_strj
1409 * This includes a NULL byte for strstr's sanity. */
1410 char *combined_buf = malloc(INFO_END_LEN + n + 1);
1411 memcpy(combined_buf, as->info_end_buf, INFO_END_LEN);
1412 memcpy(combined_buf+INFO_END_LEN, as->databuf, n);
1413 combined_buf[INFO_END_LEN+n] = '\0';
1415 as->seen_info_end = (strstr(combined_buf, info_end_str) != NULL);
1417 /* fill info_end_buf from the tail end of combined_buf */
1418 memcpy(as->info_end_buf, combined_buf + n, INFO_END_LEN);
1419 amfree(combined_buf);
1421 /* if we did see info_end_str, start reading the data fd (fd 0) */
1422 if (as->seen_info_end) {
1423 struct datafd_handle *dh = &as->data[0];
1424 amandad_debug(1, "Opening datafd to sendbackup (delayed until sendbackup sent header info)\n");
1425 dh->ev_read = event_register((event_id_t)dh->fd_read, EV_READFD,
1426 process_readnetfd, dh);
1428 amandad_debug(1, "sendbackup header info still not complete\n");
1432 if (security_stream_write(dh->netfd, as->databuf, (size_t)n) < 0) {
1433 /* stream has croaked */
1434 pkt_init(&nak, P_NAK, _("ERROR write error on stream %d: %s\n"),
1435 security_stream_id(dh->netfd),
1436 security_stream_geterror(dh->netfd));
1442 do_sendpkt(as->security_handle, &nak);
1448 * This is a generic relay function that just read data from one of
1449 * the security_stream_t and passes it up the equivalent process's pipes
1457 struct datafd_handle *dh;
1459 assert(cookie != NULL);
1462 if (dh->fd_write <= 0) {
1463 dbprintf(_("process_writenetfd: dh->fd_write <= 0\n"));
1464 } else if (size > 0) {
1465 full_write(dh->fd_write, buf, (size_t)size);
1466 security_stream_read(dh->netfd, process_writenetfd, dh);
1469 aclose(dh->fd_write);
1475 * Convert a local stream handle (DATA_FD...) into something that
1476 * can be sent to the amanda server.
1478 * Returns a number that should be sent to the server in the REP packet.
1482 struct active_service * as,
1485 struct datafd_handle *dh;
1487 /* note that handle is in the range DATA_FD_OFFSET to DATA_FD_COUNT, but
1488 * it is NOT a file descriptor! */
1490 /* if the handle is -1, then we don't bother */
1494 /* make sure the handle's kosher */
1495 if (handle < DATA_FD_OFFSET || handle >= DATA_FD_OFFSET + DATA_FD_COUNT)
1498 /* get a pointer into our handle array */
1499 dh = &as->data[handle - DATA_FD_OFFSET];
1501 /* make sure we're not already using the net handle */
1502 if (dh->netfd != NULL)
1505 /* allocate a stream from the security layer and return */
1506 dh->netfd = security_stream_server(as->security_handle);
1507 if (dh->netfd == NULL) {
1508 dbprintf(_("couldn't open stream to server: %s\n"),
1509 security_geterror(as->security_handle));
1514 * convert the stream into a numeric id that can be sent to the
1517 return (security_stream_id(dh->netfd));
1521 * Create a new service instance
1523 static struct active_service *
1525 security_handle_t * security_handle,
1528 const char * arguments)
1531 int data_read[DATA_FD_COUNT + 2][2];
1532 int data_write[DATA_FD_COUNT + 2][2];
1533 struct active_service *as;
1537 char *amanda_remote_host_env[2];
1539 assert(security_handle != NULL);
1540 assert(cmd != NULL);
1541 assert(arguments != NULL);
1543 /* a plethora of pipes */
1544 /* data_read[0] : stdin
1545 * data_write[0] : stdout
1546 * data_read[1], data_write[1] : first stream
1547 * data_read[2], data_write[2] : second stream
1548 * data_read[3], data_write[3] : third stream
1549 * data_write[4] : stderr
1551 for (i = 0; i < DATA_FD_COUNT + 1; i++) {
1552 if (pipe(data_read[i]) < 0) {
1553 error(_("pipe: %s\n"), strerror(errno));
1556 if (pipe(data_write[i]) < 0) {
1557 error(_("pipe: %s\n"), strerror(errno));
1561 if (pipe(data_write[STDERR_PIPE]) < 0) {
1562 error(_("pipe: %s\n"), strerror(errno));
1566 switch(pid = fork()) {
1568 error(_("could not fork service %s: %s\n"), cmd, strerror(errno));
1572 * The parent. Close the far ends of our pipes and return.
1574 as = g_new0(struct active_service, 1);
1575 as->cmd = stralloc(cmd);
1576 as->arguments = stralloc(arguments);
1577 as->security_handle = security_handle;
1579 as->service = service;
1581 as->send_partial_reply = 0;
1582 as->seen_info_end = FALSE;
1583 /* fill in info_end_buf with non-null characters */
1584 memset(as->info_end_buf, '-', sizeof(as->info_end_buf));
1585 if(service == SERVICE_SENDSIZE) {
1586 g_option_t *g_options;
1587 char *option_str, *p;
1589 option_str = stralloc(as->arguments+8);
1590 p = strchr(option_str,'\n');
1593 g_options = parse_g_options(option_str, 1);
1594 if(am_has_feature(g_options->features, fe_partial_estimate)) {
1595 as->send_partial_reply = 1;
1597 free_g_options(g_options);
1601 /* write to the request pipe */
1602 aclose(data_read[0][0]);
1603 as->reqfd = data_read[0][1];
1606 * read from the reply pipe
1608 as->repfd = data_write[0][0];
1609 aclose(data_write[0][1]);
1610 as->ev_repfd = NULL;
1615 as->rep_pkt.body = NULL;
1618 * read from the stderr pipe
1620 as->errfd = data_write[STDERR_PIPE][0];
1621 aclose(data_write[STDERR_PIPE][1]);
1622 as->ev_errfd = NULL;
1626 * read from the rest of the general-use pipes
1627 * (netfds are opened as the client requests them)
1629 for (i = 0; i < DATA_FD_COUNT; i++) {
1630 aclose(data_read[i + 1][1]);
1631 aclose(data_write[i + 1][0]);
1632 as->data[i].fd_read = data_read[i + 1][0];
1633 as->data[i].fd_write = data_write[i + 1][1];
1634 as->data[i].ev_read = NULL;
1635 as->data[i].ev_write = NULL;
1636 as->data[i].netfd = NULL;
1637 as->data[i].as = as;
1640 /* add it to the service queue */
1641 /* increment the active service count */
1642 serviceq = g_slist_append(serviceq, (gpointer)as);
1647 * The child. Put our pipes in their advertised locations
1651 /* set up the AMANDA_AUTHENTICATED_PEER env var so child services
1652 * can use it to authenticate */
1653 peer_name = security_get_authenticated_peer_name(security_handle);
1654 amanda_remote_host_env[0] = NULL;
1655 amanda_remote_host_env[1] = NULL;
1657 amanda_remote_host_env[0] =
1658 g_strdup_printf("AMANDA_AUTHENTICATED_PEER=%s", peer_name);
1662 * The data stream is stdin in the new process
1664 if (dup2(data_read[0][0], 0) < 0) {
1665 error(_("dup %d to %d failed: %s\n"), data_read[0][0], 0,
1669 aclose(data_read[0][0]);
1670 aclose(data_read[0][1]);
1673 * The reply stream is stdout
1675 if (dup2(data_write[0][1], 1) < 0) {
1676 error(_("dup %d to %d failed: %s\n"), data_write[0][1], 1,
1679 aclose(data_write[0][0]);
1680 aclose(data_write[0][1]);
1682 for (i = 0; i < DATA_FD_COUNT; i++) {
1683 aclose(data_read[i + 1][0]);
1684 aclose(data_write[i + 1][1]);
1688 * Make sure they are not open in the range DATA_FD_OFFSET to
1689 * DATA_FD_OFFSET + DATA_FD_COUNT*2 - 1
1691 for (i = 0; i < DATA_FD_COUNT; i++) {
1692 while(data_read[i + 1][1] >= DATA_FD_OFFSET &&
1693 data_read[i + 1][1] <= DATA_FD_OFFSET + DATA_FD_COUNT*2 - 1) {
1694 newfd = dup(data_read[i + 1][1]);
1696 error(_("Can't dup out off DATA_FD range"));
1697 data_read[i + 1][1] = newfd;
1699 while(data_write[i + 1][0] >= DATA_FD_OFFSET &&
1700 data_write[i + 1][0] <= DATA_FD_OFFSET + DATA_FD_COUNT*2 - 1) {
1701 newfd = dup(data_write[i + 1][0]);
1703 error(_("Can't dup out off DATA_FD range"));
1704 data_write[i + 1][0] = newfd;
1707 while(data_write[4][0] >= DATA_FD_OFFSET &&
1708 data_write[4][0] <= DATA_FD_OFFSET + DATA_FD_COUNT*2 - 1) {
1709 newfd = dup(data_write[4][0]);
1711 error(_("Can't dup out off DATA_FD range"));
1712 data_write[4][0] = newfd;
1714 while(data_write[4][1] >= DATA_FD_OFFSET &&
1715 data_write[4][1] <= DATA_FD_OFFSET + DATA_FD_COUNT*2 - 1) {
1716 newfd = dup(data_write[4][1]);
1718 error(_("Can't dup out off DATA_FD range"));
1719 data_write[4][1] = newfd;
1722 for (i = 0; i < DATA_FD_COUNT*2; i++)
1723 close(DATA_FD_OFFSET + i);
1726 * The rest start at the offset defined in amandad.h, and continue
1727 * through the internal defined.
1729 for (i = 0; i < DATA_FD_COUNT; i++) {
1730 if (dup2(data_read[i + 1][1], i*2 + DATA_FD_OFFSET) < 0) {
1731 error(_("dup %d to %d failed: %s\n"), data_read[i + 1][1],
1732 i + DATA_FD_OFFSET, strerror(errno));
1734 aclose(data_read[i + 1][1]);
1736 if (dup2(data_write[i + 1][0], i*2 + 1 + DATA_FD_OFFSET) < 0) {
1737 error(_("dup %d to %d failed: %s\n"), data_write[i + 1][0],
1738 i + DATA_FD_OFFSET, strerror(errno));
1740 aclose(data_write[i + 1][0]);
1743 /* close all unneeded fd */
1744 close(STDERR_FILENO);
1745 dup2(data_write[STDERR_PIPE][1], 2);
1746 aclose(data_write[STDERR_PIPE][0]);
1747 aclose(data_write[STDERR_PIPE][1]);
1748 safe_fd(DATA_FD_OFFSET, DATA_FD_COUNT*2);
1750 execle(cmd, cmd, "amandad", auth, (char *)NULL, safe_env_full(amanda_remote_host_env));
1751 error(_("could not exec service %s: %s\n"), cmd, strerror(errno));
1758 * Unallocate a service instance
1762 struct active_service * as)
1767 struct datafd_handle *dh;
1769 amandad_debug(1, _("closing service: %s\n"),
1770 (as->cmd)?as->cmd:_("??UNKONWN??"));
1774 assert(as->cmd != NULL);
1777 assert(as->arguments != NULL);
1778 amfree(as->arguments);
1780 if (as->reqfd != -1)
1782 if (as->repfd != -1)
1784 if (as->errfd != -1) {
1789 if (as->ev_repfd != NULL)
1790 event_release(as->ev_repfd);
1791 if (as->ev_reptimeout != NULL)
1792 event_release(as->ev_reptimeout);
1793 if (as->ev_errfd != NULL)
1794 event_release(as->ev_errfd);
1796 for (i = 0; i < DATA_FD_COUNT; i++) {
1799 aclose(dh->fd_read);
1800 aclose(dh->fd_write);
1802 if (dh->netfd != NULL)
1803 security_stream_close(dh->netfd);
1805 if (dh->ev_read != NULL)
1806 event_release(dh->ev_read);
1807 if (dh->ev_write != NULL)
1808 event_release(dh->ev_write);
1811 if (as->security_handle != NULL)
1812 security_close(as->security_handle);
1814 assert(as->pid > 0);
1815 kill(as->pid, SIGTERM);
1816 pid = waitpid(as->pid, NULL, WNOHANG);
1818 while (pid != as->pid && count > 0) {
1821 pid = waitpid(as->pid, NULL, WNOHANG);
1823 if (pid != as->pid) {
1824 g_debug("Process %d failed to exit", (int)as->pid);
1827 serviceq = g_slist_remove(serviceq, (gpointer)as);
1830 amfree(as->arguments);
1832 amfree(as->rep_pkt.body);
1835 if(exit_on_qlength == 0 && g_slist_length(serviceq) == 0) {
1842 * Like 'fullwrite', but does the work in a child process so pipelines
1847 struct active_service * as,
1854 switch (pid=fork()) {
1859 waitpid(pid, NULL, WNOHANG);
1860 return 0; /* this is the parent */
1862 case 0: /* this is the child */
1864 writesize = full_write(as->reqfd, bufp, size);
1865 exit(writesize != size);
1873 security_handle_t * handle,
1876 dbprintf(_("sending %s pkt:\n<<<<<\n%s>>>>>\n"),
1877 pkt_type2str(pkt->type), pkt->body);
1879 return security_sendpkt(handle, pkt);
1885 * Convert a state into a string
1891 static const struct {
1895 #define X(state) { state, stringize(state) }
1905 for (i = 0; i < (int)(sizeof(states) / sizeof(states[0])); i++)
1906 if (state == states[i].state)
1907 return (states[i].str);
1908 return (_("INVALID STATE"));
1912 * Convert an action into a string
1918 static const struct {
1922 #define X(action) { action, stringize(action) }
1935 for (i = 0; i < (int)(sizeof(actions) / sizeof(actions[0])); i++)
1936 if (action == actions[i].action)
1937 return (actions[i].str);
1938 return (_("UNKNOWN ACTION"));
1942 amandad_get_security_conf(
1946 (void)arg; /* Quiet unused parameter warning */
1948 if (!string || !*string)
1951 if (strcmp(string, "kencrypt")==0) {
1952 if (amandad_kencrypt == KENCRYPT_YES)