#include <sys/stat.h>
#endif /* HAVE_SYS_STAT_H */
#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <arpa/inet.h>
-#include <atalk/logger.h>
#include <setjmp.h>
+#include <time.h>
+#include <atalk/logger.h>
#include <atalk/dsi.h>
#include <atalk/compat.h>
#include <atalk/util.h>
#include <atalk/uuid.h>
#include <atalk/paths.h>
#include <atalk/server_ipc.h>
+#include <atalk/fce_api.h>
-#include "globals.h"
+#include <atalk/globals.h>
#include "switch.h"
#include "auth.h"
#include "fork.h"
#include "uid.h"
#endif /* FORCE_UIDGID */
+#ifndef SOL_TCP
+#define SOL_TCP IPPROTO_TCP
+#endif
+
/*
* We generally pass this from afp_over_dsi to all afp_* funcs, so it should already be
* available everywhere. Unfortunately some funcs (eg acltoownermode) need acces to it
static void afp_dsi_close(AFPObj *obj)
{
DSI *dsi = obj->handle;
-
+ sigset_t sigs;
+
close(obj->ipc_fd);
obj->ipc_fd = -1;
}
close_all_vol();
- if (obj->logout)
+
+ if (obj->logout) {
+ /* Block sigs, PAM/systemd/whoever might send us a SIG??? in (*obj->logout)() -> pam_close_session() */
+ sigfillset(&sigs);
+ pthread_sigmask(SIG_BLOCK, &sigs, NULL);
(*obj->logout)();
+ }
LOG(log_note, logtype_afpd, "AFP statistics: %.2f KB read, %.2f KB written",
dsi->read_count/1024.0, dsi->write_count/1024.0);
}
}
+/* SIGQUIT handler */
+static void ipc_reconnect_handler(int sig _U_)
+{
+ DSI *dsi = (DSI *)AFPobj->handle;
+
+ if (reconnect_ipc(AFPobj) != 0) {
+ LOG(log_error, logtype_afpd, "ipc_reconnect_handler: failed IPC reconnect");
+ afp_dsi_close(AFPobj);
+ exit(EXITERR_SYS);
+ }
+
+ if (ipc_child_write(AFPobj->ipc_fd, IPC_GETSESSION, AFPobj->sinfo.clientid_len, AFPobj->sinfo.clientid) != 0) {
+ LOG(log_error, logtype_afpd, "ipc_reconnect_handler: failed IPC ID resend");
+ afp_dsi_close(AFPobj);
+ exit(EXITERR_SYS);
+ }
+ LOG(log_note, logtype_afpd, "ipc_reconnect_handler: IPC reconnect done");
+}
+
/* SIGURG handler (primary reconnect) */
static void afp_dsi_transfer_session(int sig _U_)
{
}
/* if we're in the midst of processing something, don't die. */
- if ( !(dsi->flags & DSI_RUNNING) && (dsi->tickle >= AFPobj->options.timeout)) {
+ if (dsi->tickle >= AFPobj->options.timeout) {
LOG(log_error, logtype_afpd, "afp_alarm: child timed out, entering disconnected state");
if (dsi_disconnect(dsi) != 0)
afp_dsi_die(EXITERR_CLNT);
}
}
-/* -------------------------------------------
- afp over dsi. this never returns.
-*/
-void afp_over_dsi(AFPObj *obj)
+void afp_over_dsi_sighandlers(AFPObj *obj)
{
DSI *dsi = (DSI *) obj->handle;
- int rc_idx;
- u_int32_t err, cmd;
- u_int8_t function;
struct sigaction action;
- struct pollfd pollfds[1];
-
- AFPobj = obj;
- obj->exit = afp_dsi_die;
- obj->reply = (int (*)()) dsi_cmdreply;
- obj->attention = (int (*)(void *, AFPUserBytes)) dsi_attention;
- dsi->tickle = 0;
-
- pollfds[0].fd = obj->ipc_fd;
- pollfds[0].events = POLLOUT;
memset(&action, 0, sizeof(action));
+ sigfillset(&action.sa_mask);
+ action.sa_flags = SA_RESTART;
/* install SIGHUP */
action.sa_handler = afp_dsi_reload;
- sigemptyset( &action.sa_mask );
- sigaddset(&action.sa_mask, SIGALRM);
- sigaddset(&action.sa_mask, SIGTERM);
- sigaddset(&action.sa_mask, SIGUSR1);
- sigaddset(&action.sa_mask, SIGINT);
- sigaddset(&action.sa_mask, SIGUSR2);
- action.sa_flags = SA_RESTART;
if ( sigaction( SIGHUP, &action, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
afp_dsi_die(EXITERR_SYS);
/* install SIGURG */
action.sa_handler = afp_dsi_transfer_session;
- sigemptyset( &action.sa_mask );
- sigaddset(&action.sa_mask, SIGALRM);
- sigaddset(&action.sa_mask, SIGTERM);
- sigaddset(&action.sa_mask, SIGUSR1);
- sigaddset(&action.sa_mask, SIGINT);
- sigaddset(&action.sa_mask, SIGUSR2);
- action.sa_flags = SA_RESTART;
if ( sigaction( SIGURG, &action, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
afp_dsi_die(EXITERR_SYS);
/* install SIGTERM */
action.sa_handler = afp_dsi_die;
- sigemptyset( &action.sa_mask );
- sigaddset(&action.sa_mask, SIGALRM);
- sigaddset(&action.sa_mask, SIGHUP);
- sigaddset(&action.sa_mask, SIGUSR1);
- sigaddset(&action.sa_mask, SIGINT);
- sigaddset(&action.sa_mask, SIGUSR2);
- action.sa_flags = SA_RESTART;
if ( sigaction( SIGTERM, &action, NULL ) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
afp_dsi_die(EXITERR_SYS);
}
- /* Added for server message support */
+ /* install SIGQUIT */
+ action.sa_handler = ipc_reconnect_handler;
+ if ( sigaction(SIGQUIT, &action, NULL ) < 0 ) {
+ LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
+ afp_dsi_die(EXITERR_SYS);
+ }
+
+ /* SIGUSR2 - server message support */
action.sa_handler = afp_dsi_getmesg;
- sigemptyset( &action.sa_mask );
- sigaddset(&action.sa_mask, SIGALRM);
- sigaddset(&action.sa_mask, SIGTERM);
- sigaddset(&action.sa_mask, SIGUSR1);
- sigaddset(&action.sa_mask, SIGHUP);
- sigaddset(&action.sa_mask, SIGINT);
- action.sa_flags = SA_RESTART;
if ( sigaction( SIGUSR2, &action, NULL) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
afp_dsi_die(EXITERR_SYS);
/* SIGUSR1 - set down in 5 minutes */
action.sa_handler = afp_dsi_timedown;
- sigemptyset( &action.sa_mask );
- sigaddset(&action.sa_mask, SIGALRM);
- sigaddset(&action.sa_mask, SIGHUP);
- sigaddset(&action.sa_mask, SIGTERM);
- sigaddset(&action.sa_mask, SIGINT);
- sigaddset(&action.sa_mask, SIGUSR2);
action.sa_flags = SA_RESTART;
if ( sigaction( SIGUSR1, &action, NULL) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
/* SIGINT - enable max_debug LOGging to /tmp/afpd.PID.XXXXXX */
action.sa_handler = afp_dsi_debug;
- sigfillset( &action.sa_mask );
- action.sa_flags = SA_RESTART;
if ( sigaction( SIGINT, &action, NULL) < 0 ) {
LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) );
afp_dsi_die(EXITERR_SYS);
}
#ifndef DEBUGGING
- /* tickle handler */
+ /* SIGALRM - tickle handler */
action.sa_handler = alarm_handler;
- sigemptyset(&action.sa_mask);
- sigaddset(&action.sa_mask, SIGHUP);
- sigaddset(&action.sa_mask, SIGTERM);
- sigaddset(&action.sa_mask, SIGUSR1);
- sigaddset(&action.sa_mask, SIGINT);
- sigaddset(&action.sa_mask, SIGUSR2);
- action.sa_flags = SA_RESTART;
if ((sigaction(SIGALRM, &action, NULL) < 0) ||
(setitimer(ITIMER_REAL, &dsi->timer, NULL) < 0)) {
afp_dsi_die(EXITERR_SYS);
}
#endif /* DEBUGGING */
+}
+
+/* -------------------------------------------
+ afp over dsi. this never returns.
+*/
+void afp_over_dsi(AFPObj *obj)
+{
+ DSI *dsi = (DSI *) obj->handle;
+ int rc_idx;
+ u_int32_t err, cmd;
+ u_int8_t function;
+
+ AFPobj = obj;
+ obj->exit = afp_dsi_die;
+ obj->reply = (int (*)()) dsi_cmdreply;
+ obj->attention = (int (*)(void *, AFPUserBytes)) dsi_attention;
+ dsi->tickle = 0;
+
+ afp_over_dsi_sighandlers(obj);
if (dircache_init(obj->options.dircachesize) != 0)
afp_dsi_die(EXITERR_SYS);
}
}
+ /* set TCP_NODELAY */
+ int flag = 1;
+ setsockopt(dsi->socket, SOL_TCP, TCP_NODELAY, &flag, sizeof(flag));
+
/* get stuck here until the end */
while (1) {
if (sigsetjmp(recon_jmp, 1) != 0)
continue;
/* Blocking read on the network socket */
- cmd = dsi_receive(dsi);
+ cmd = dsi_stream_receive(dsi);
if (cmd == 0) {
/* cmd == 0 is the error condition */
dsi->flags &= ~DSI_RECONSOCKET;
continue;
}
- /* Some error on the client connection, enter disconnected state */
- if (dsi_disconnect(dsi) != 0)
- afp_dsi_die(EXITERR_CLNT);
/* the client sometimes logs out (afp_logout) but doesn't close the DSI session */
if (dsi->flags & DSI_AFP_LOGGED_OUT) {
+ LOG(log_note, logtype_afpd, "afp_over_dsi: client logged out, terminating DSI session");
afp_dsi_close(obj);
exit(0);
}
- pause(); /* gets interrupted by SIGALARM or SIGURG tickle */
- continue; /* continue receiving until disconnect timer expires
- * or a primary reconnect succeeds */
- }
+#if 0
+ /* got ECONNRESET in read from client => exit*/
+ if (dsi->flags & DSI_GOT_ECONNRESET) {
+ LOG(log_note, logtype_afpd, "afp_over_dsi: client connection reset");
+ afp_dsi_close(obj);
+ exit(0);
+ }
+#endif
- static int saved_ipcfd = -1;
- if (saved_ipcfd == -1)
- saved_ipcfd = obj->ipc_fd;
- if (poll(pollfds, 1, 0) == 1) {
- if (pollfds[0].revents & (POLLHUP | POLLERR)) {
- if (saved_ipcfd == obj->ipc_fd && getppid() == 1) {
- close(obj->ipc_fd);
- sleep(30); /* give it enough time to start */
- if ((obj->ipc_fd = ipc_client_uds(_PATH_AFP_IPC)) == -1) {
- LOG(log_error, logtype_afpd, "afp_over_dsi: cant reconnect to master");
- afp_dsi_die(EXITERR_SYS);
- }
- }
+ if (dsi->flags & DSI_RECONINPROG) {
+ LOG(log_note, logtype_afpd, "afp_over_dsi: failed reconnect");
+ afp_dsi_close(obj);
+ exit(0);
}
- }
+ /* Some error on the client connection, enter disconnected state */
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
+
+ while (dsi->flags & DSI_DISCONNECTED)
+ pause(); /* gets interrupted by SIGALARM or SIGURG tickle */
+ continue; /* continue receiving until disconnect timer expires
+ * or a primary reconnect succeeds */
+ }
if (!(dsi->flags & DSI_EXTSLEEP) && (dsi->flags & DSI_SLEEPING)) {
LOG(log_debug, logtype_afpd, "afp_over_dsi: got data, ending normal sleep");
/* AFP replay cache */
rc_idx = dsi->clientID % REPLAYCACHE_SIZE;
- LOG(log_debug, logtype_afpd, "DSI request ID: %u", dsi->clientID);
+ LOG(log_debug, logtype_dsi, "DSI request ID: %u", dsi->clientID);
if (replaycache[rc_idx].DSIreqID == dsi->clientID
&& replaycache[rc_idx].AFPcommand == function) {
if (dsi->flags & DSI_NOREPLY) {
dsi->flags &= ~DSI_NOREPLY;
break;
- }
-
- if (!dsi_cmdreply(dsi, err)) {
+ } else if (!dsi_cmdreply(dsi, err)) {
LOG(log_error, logtype_afpd, "dsi_cmdreply(%d): %s", dsi->socket, strerror(errno) );
if (dsi_disconnect(dsi) != 0)
afp_dsi_die(EXITERR_CLNT);
break;
}
pending_request(dsi);
+
+ fce_pending_events(obj);
}
/* error */
projects / netatalk.git / blobdiff