#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;
+ sigset_t sigs;
+
close(obj->ipc_fd);
obj->ipc_fd = -1;
}
}
- close_all_vol();
- if (obj->logout)
+ close_all_vol(obj);
+ 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);
*/
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 &
don't log it (maintenance mode)*/
{
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_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: reconnect timer expired, goodbye");
afp_dsi_die(EXITERR_CLNT);
}
/* 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);
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");
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));
}
}
-/* -------------------------------------------
- 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;
+ DSI *dsi = (DSI *) obj->dsi;
struct sigaction action;
- 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 = afp_dsi_die;
+ 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->dsi;
+ int rc_idx;
+ uint32_t err, cmd;
+ uint8_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));
+
+ ipc_child_state(obj, DSI_RUNNING);
+
/* 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);
+ }
+
+ if (dsi->flags & DSI_RECONINPROG) {
+ LOG(log_note, logtype_afpd, "afp_over_dsi: failed reconnect");
afp_dsi_close(obj);
exit(0);
}
- pause(); /* gets interrupted by SIGALARM or SIGURG tickle */
+ /* Some error on the client connection, enter disconnected state */
+ if (dsi_disconnect(dsi) != 0)
+ afp_dsi_die(EXITERR_CLNT);
+
+ ipc_child_state(obj, DSI_DISCONNECTED);
+
+ while (dsi->flags & DSI_DISCONNECTED)
+ pause(); /* gets interrupted by SIGALARM or SIGURG tickle */
+ ipc_child_state(obj, DSI_RUNNING);
continue; /* continue receiving until disconnect timer expires
* or a primary reconnect succeeds */
}
LOG(log_debug, logtype_afpd, "afp_over_dsi: got data, ending normal sleep");
dsi->flags &= ~DSI_SLEEPING;
dsi->tickle = 0;
+ ipc_child_state(obj, DSI_RUNNING);
}
if (reload_request) {
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);
}
}
/* 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) {
LOG(log_debug, logtype_afpd, "<== Start AFP command: %s", AfpNum2name(function));
+ AFP_AFPFUNC_START(function, (char *)AfpNum2name(function));
err = (*afp_switch[function])(obj,
- (char *)&dsi->commands, dsi->cmdlen,
+ (char *)dsi->commands, dsi->cmdlen,
(char *)&dsi->data, &dsi->datalen);
+ AFP_AFPFUNC_DONE(function, (char *)AfpNum2name(function));
LOG(log_debug, logtype_afpd, "==> Finished AFP command: %s -> %s",
AfpNum2name(function), AfpErr2name(err));
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) );
if (dsi_disconnect(dsi) != 0)
afp_dsi_die(EXITERR_CLNT);
LOG(log_debug, logtype_afpd, "<== Start AFP command: %s", AfpNum2name(function));
+ AFP_AFPFUNC_START(function, (char *)AfpNum2name(function));
+
err = (*afp_switch[function])(obj,
- (char *)&dsi->commands, dsi->cmdlen,
+ (char *)dsi->commands, dsi->cmdlen,
(char *)&dsi->data, &dsi->datalen);
+ AFP_AFPFUNC_DONE(function, (char *)AfpNum2name(function));
+
LOG(log_debug, logtype_afpd, "==> Finished AFP command: %s -> %s",
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;
break;
}
pending_request(dsi);
+
+ fce_pending_events(obj);
}
/* error */