X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=netatalk.git;a=blobdiff_plain;f=etc%2Fafpd%2Fafp_dsi.c;h=eb7f796e19ca366fb09f7d8b2dfd15ad443e34af;hp=e282002e4a37b02dd761a82f85446543be2887c3;hb=d3dff4ba4b8db3131a16641d35a6554be5fb5160;hpb=6f45d8eaada82e401ecde525c689a67148b3ba1e diff --git a/etc/afpd/afp_dsi.c b/etc/afpd/afp_dsi.c index e282002e..eb7f796e 100644 --- a/etc/afpd/afp_dsi.c +++ b/etc/afpd/afp_dsi.c @@ -39,6 +39,7 @@ #include #include #include +#include #include "switch.h" #include "auth.h" @@ -46,7 +47,7 @@ #include "dircache.h" #ifndef SOL_TCP -#define SOL_TCP IPPROTO_TCPSOL_TCP +#define SOL_TCP IPPROTO_TCP #endif /* @@ -76,7 +77,8 @@ static sigjmp_buf recon_jmp; static void afp_dsi_close(AFPObj *obj) { DSI *dsi = obj->dsi; - + sigset_t sigs; + close(obj->ipc_fd); obj->ipc_fd = -1; @@ -92,9 +94,13 @@ static void afp_dsi_close(AFPObj *obj) } } - 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); @@ -135,25 +141,6 @@ static void afp_dsi_die(int sig) } } -/* 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_) { @@ -335,9 +322,10 @@ static void alarm_handler(int sig _U_) return; } - if ((err = pollvoltime(AFPobj)) == 0) + if ((err = pollvoltime(AFPobj)) == 0) { LOG(log_debug, logtype_afpd, "afp_alarm: sending DSI tickle"); err = dsi_tickle(AFPobj->dsi); + } if (err <= 0) { if (geteuid() == 0) { LOG(log_note, logtype_afpd, "afp_alarm: unauthenticated user, connection problem"); @@ -349,6 +337,11 @@ static void alarm_handler(int sig _U_) } } +static void child_handler(void) +{ + wait(NULL); +} + /* ----------------- if dsi->in_write is set attention, tickle (and close?) msg aren't sent. We don't care about tickle @@ -373,24 +366,11 @@ static void pending_request(DSI *dsi) } } -/* ------------------------------------------- - afp over dsi. this never returns. -*/ -void afp_over_dsi(AFPObj *obj) +void afp_over_dsi_sighandlers(AFPObj *obj) { DSI *dsi = (DSI *) obj->dsi; - int rc_idx; - 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; @@ -417,7 +397,7 @@ void afp_over_dsi(AFPObj *obj) } /* install SIGQUIT */ - action.sa_handler = ipc_reconnect_handler; + 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); @@ -454,6 +434,36 @@ void afp_over_dsi(AFPObj *obj) } #endif /* DEBUGGING */ + /* SIGCLD */ + action.sa_handler = child_handler; +#ifdef SA_NOCLDWAIT +/* this enhancement simplifies things for Solaris, it also improves performance */ + action.sa_flags |= SA_NOCLDWAIT; +#endif + if (sigaction(SIGCLD, &action, NULL) < 0 ) { + LOG(log_error, logtype_afpd, "afp_over_dsi: sigaction: %s", strerror(errno) ); + afp_dsi_die(EXITERR_SYS); + } +} + +/* ------------------------------------------- + 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); @@ -481,6 +491,12 @@ void afp_over_dsi(AFPObj *obj) int flag = 1; setsockopt(dsi->socket, SOL_TCP, TCP_NODELAY, &flag, sizeof(flag)); + /* Initialize Spotlight */ + if ((obj->options.flags & OPTION_SPOTLIGHT) && (obj->options.slmod_path)) + sl_mod_load(obj); + + ipc_child_state(obj, DSI_RUNNING); + /* get stuck here until the end */ while (1) { if (sigsetjmp(recon_jmp, 1) != 0) @@ -505,15 +521,6 @@ void afp_over_dsi(AFPObj *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); @@ -524,8 +531,11 @@ void afp_over_dsi(AFPObj *obj) 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 */ } @@ -534,11 +544,12 @@ void afp_over_dsi(AFPObj *obj) 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) { reload_request = 0; - load_volumes(AFPobj, closevol); + load_volumes(AFPobj, lv_none); } /* The first SIGINT enables debugging, the next restores the config */ @@ -614,10 +625,12 @@ void afp_over_dsi(AFPObj *obj) 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)); @@ -655,10 +668,14 @@ void afp_over_dsi(AFPObj *obj) 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));