#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 <atalk/globals.h>
+#include <atalk/netatalk_conf.h>
-#include "globals.h"
#include "switch.h"
#include "auth.h"
#include "fork.h"
#include "dircache.h"
-#ifdef FORCE_UIDGID
-#warning UIDGID
-#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
static sigjmp_buf recon_jmp;
static void afp_dsi_close(AFPObj *obj)
{
- DSI *dsi = obj->handle;
+ DSI *dsi = obj->dsi;
close(obj->ipc_fd);
obj->ipc_fd = -1;
}
}
- close_all_vol();
+ close_all_vol(obj);
if (obj->logout)
(*obj->logout)();
*/
static void afp_dsi_die(int sig)
{
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
if (dsi->flags & DSI_RECONINPROG) {
/* Primary reconnect succeeded, got SIGTERM from afpd parent */
exit(0);
}
- dsi_attention(AFPobj->handle, AFPATTN_SHUTDOWN);
+ dsi_attention(AFPobj->dsi, AFPATTN_SHUTDOWN);
afp_dsi_close(AFPobj);
- if (sig) /* if no signal, assume dieing because logins are disabled &
+ if (sig) /* if no signal, assume dieing because logins are disabled &
don't log it (maintenance mode)*/
LOG(log_info, logtype_afpd, "Connection terminated");
if (sig == SIGTERM || sig == SIGALRM) {
}
}
+/* SIGQUIT handler */
+static void ipc_reconnect_handler(int sig _U_)
+{
+ DSI *dsi = (DSI *)AFPobj->dsi;
+
+ 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_)
{
uint16_t dsiID;
int socket;
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
LOG(log_debug, logtype_afpd, "afp_dsi_transfer_session: got SIGURG, trying to receive session");
{
struct sigaction sv;
struct itimerval it;
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
dsi->flags |= DSI_DIE;
/* shutdown and don't reconnect. server going down in 5 minutes. */
setmessage("The server is going down for maintenance.");
- if (dsi_attention(AFPobj->handle, AFPATTN_SHUTDOWN | AFPATTN_NORECONNECT |
+ if (dsi_attention(AFPobj->dsi, AFPATTN_SHUTDOWN | AFPATTN_NORECONNECT |
AFPATTN_MESG | AFPATTN_TIME(5)) < 0) {
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
dsi->down_request = 1;
}
/* ---------------------- */
static void afp_dsi_getmesg (int sig _U_)
{
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
dsi->msg_request = 1;
- if (dsi_attention(AFPobj->handle, AFPATTN_MESG | AFPATTN_TIME(5)) < 0)
+ if (dsi_attention(AFPobj->dsi, AFPATTN_MESG | AFPATTN_TIME(5)) < 0)
dsi->msg_request = 2;
}
static void alarm_handler(int sig _U_)
{
int err;
- DSI *dsi = (DSI *)AFPobj->handle;
+ DSI *dsi = (DSI *)AFPobj->dsi;
/* we have to restart the timer because some libraries may use alarm() */
setitimer(ITIMER_REAL, &dsi->timer, NULL);
if (dsi->flags & DSI_SLEEPING) {
if (dsi->tickle > AFPobj->options.sleep) {
- LOG(log_error, logtype_afpd, "afp_alarm: sleep time ended");
+ LOG(log_note, logtype_afpd, "afp_alarm: sleep time ended");
afp_dsi_die(EXITERR_CLNT);
}
return;
}
if (dsi->flags & DSI_DISCONNECTED) {
+ if (geteuid() == 0) {
+ LOG(log_note, logtype_afpd, "afp_alarm: unauthenticated user, connection problem");
+ afp_dsi_die(EXITERR_CLNT);
+ }
if (dsi->tickle > AFPobj->options.disconnected) {
- LOG(log_error, logtype_afpd, "afp_alarm: no reconnect within 10 minutes, goodbye");
+ LOG(log_error, logtype_afpd, "afp_alarm: reconnect timer expired, goodbye");
afp_dsi_die(EXITERR_CLNT);
}
return;
}
/* 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");
- dsi->proto_close(dsi);
- dsi->flags |= DSI_DISCONNECTED;
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
return;
}
if ((err = pollvoltime(AFPobj)) == 0)
LOG(log_debug, logtype_afpd, "afp_alarm: sending DSI tickle");
- err = dsi_tickle(AFPobj->handle);
+ err = dsi_tickle(AFPobj->dsi);
if (err <= 0) {
+ if (geteuid() == 0) {
+ LOG(log_note, logtype_afpd, "afp_alarm: unauthenticated user, connection problem");
+ afp_dsi_die(EXITERR_CLNT);
+ }
LOG(log_error, logtype_afpd, "afp_alarm: connection problem, entering disconnected state");
- dsi->proto_close(dsi);
- dsi->flags |= DSI_DISCONNECTED;
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
}
}
if (dsi->msg_request) {
if (dsi->msg_request == 2) {
/* didn't send it in signal handler */
- dsi_attention(AFPobj->handle, AFPATTN_MESG | AFPATTN_TIME(5));
+ dsi_attention(AFPobj->dsi, AFPATTN_MESG | AFPATTN_TIME(5));
}
dsi->msg_request = 0;
readmessage(AFPobj);
}
if (dsi->down_request) {
dsi->down_request = 0;
- dsi_attention(AFPobj->handle, AFPATTN_SHUTDOWN | AFPATTN_NORECONNECT |
+ dsi_attention(AFPobj->dsi, AFPATTN_SHUTDOWN | AFPATTN_NORECONNECT |
AFPATTN_MESG | AFPATTN_TIME(5));
}
}
*/
void afp_over_dsi(AFPObj *obj)
{
- DSI *dsi = (DSI *) obj->handle;
+ DSI *dsi = (DSI *) obj->dsi;
int rc_idx;
- u_int32_t err, cmd;
- u_int8_t function;
+ uint32_t err, cmd;
+ uint8_t function;
struct sigaction action;
AFPobj = obj;
+ dsi->AFPobj = obj;
obj->exit = afp_dsi_die;
obj->reply = (int (*)()) dsi_cmdreply;
obj->attention = (int (*)(void *, AFPUserBytes)) dsi_attention;
dsi->tickle = 0;
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);
}
}
+ /* 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;
}
+
+ /* 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);
+ }
+
+#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
+
+ 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 */
- dsi->flags |= DSI_DISCONNECTED;
- pause(); /* gets interrupted by SIGALARM or SIGURG tickle */
+ 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 (reload_request) {
reload_request = 0;
- load_volumes(AFPobj);
- dircache_dump();
- log_dircache_stat();
+ load_volumes(AFPobj, closevol);
}
/* The first SIGINT enables debugging, the next restores the config */
static int debugging = 0;
debug_request = 0;
+ dircache_dump();
+ uuidcache_dump();
+
if (debugging) {
if (obj->options.logconfig)
- setuplog(obj->options.logconfig);
+ setuplog(obj->options.logconfig, obj->options.logfile);
else
- setuplog("default log_note");
+ setuplog("default:note", NULL);
debugging = 0;
} else {
char logstr[50];
debugging = 1;
- sprintf(logstr, "default log_maxdebug /tmp/afpd.%u.XXXXXX", getpid());
- setuplog(logstr);
+ sprintf(logstr, "/tmp/afpd.%u.XXXXXX", getpid());
+ setuplog("default:maxdebug", logstr);
}
}
switch(cmd) {
case DSIFUNC_CLOSE:
+ LOG(log_debug, logtype_afpd, "DSI: close session request");
afp_dsi_close(obj);
LOG(log_note, logtype_afpd, "done");
- return;
+ exit(0);
case DSIFUNC_TICKLE:
dsi->flags &= ~DSI_DATA; /* thats no data in the sense we use it in alarm_handler */
- LOG(log_debug, logtype_afpd, "DSI client tickle");
+ LOG(log_debug, logtype_afpd, "DSI: client tickle");
/* timer is not every 30 seconds anymore, so we don't get killed on the client side. */
if ((dsi->flags & DSI_DIE))
dsi_tickle(dsi);
/* 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) {
dir_free_invalid_q();
-#ifdef FORCE_UIDGID
- /* bring everything back to old euid, egid */
- if (obj->force_uid)
- restore_uidgid ( &obj->uidgid );
-#endif /* FORCE_UIDGID */
dsi->flags &= ~DSI_RUNNING;
/* Add result to the AFP replay cache */
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) );
- dsi->flags |= DSI_DISCONNECTED;
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
}
break;
AfpNum2name(function), AfpErr2name(err));
dsi->flags &= ~DSI_RUNNING;
-#ifdef FORCE_UIDGID
- /* bring everything back to old euid, egid */
- if (obj->force_uid)
- restore_uidgid ( &obj->uidgid );
-#endif /* FORCE_UIDGID */
} else {
LOG(log_error, logtype_afpd, "(write) bad function %x", function);
dsi->datalen = 0;
if (!dsi_wrtreply(dsi, err)) {
LOG(log_error, logtype_afpd, "dsi_wrtreply: %s", strerror(errno) );
- dsi->flags |= DSI_DISCONNECTED;
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
}
break;
break;
}
pending_request(dsi);
+
+ fce_pending_events(obj);
}
/* error */