/*
- * $Id: auth.c,v 1.68 2009-10-15 10:43:13 didg Exp $
- *
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#include <time.h>
#include <pwd.h>
#include <grp.h>
-#include <atalk/logger.h>
-#include <atalk/server_ipc.h>
-#include <atalk/uuid.h>
#ifdef TRU64
#include <netdb.h>
extern void afp_get_cmdline( int *ac, char ***av );
#endif /* TRU64 */
-#include "globals.h"
+#include <atalk/logger.h>
+#include <atalk/server_ipc.h>
+#include <atalk/uuid.h>
+#include <atalk/globals.h>
+
#include "auth.h"
#include "uam_auth.h"
#include "switch.h"
#include "status.h"
#include "fork.h"
#include "extattrs.h"
-#ifdef HAVE_NFSv4_ACLS
+#ifdef HAVE_ACLS
#include "acls.h"
#endif
int ngroups;
-/*
- * These numbers are scattered throughout the code.
- */
-static struct afp_versions afp_versions[] = {
- { "AFPVersion 1.1", 11 },
- { "AFPVersion 2.0", 20 },
- { "AFPVersion 2.1", 21 },
- { "AFP2.2", 22 },
-#ifdef AFP3x
- { "AFPX03", 30 },
- { "AFP3.1", 31 },
- { "AFP3.2", 32 }
-#endif
-};
-
static struct uam_mod uam_modules = {NULL, NULL, &uam_modules, &uam_modules};
static struct uam_obj uam_login = {"", "", 0, {{NULL, NULL, NULL, NULL }}, &uam_login,
&uam_login};
static struct uam_obj *afp_uam = NULL;
-void status_versions( char *data)
+void status_versions(char *data,
+#ifndef NO_DDP
+ const ASP asp,
+#endif
+ const DSI *dsi)
{
char *start = data;
u_int16_t status;
- int len, num, i;
+ int len, num, i, count = 0;
memcpy(&status, start + AFPSTATUS_VERSOFF, sizeof(status));
num = sizeof( afp_versions ) / sizeof( afp_versions[ 0 ] );
+
+ for ( i = 0; i < num; i++ ) {
+#ifndef NO_DDP
+ if ( !asp && (afp_versions[ i ].av_number <= 21)) continue;
+#endif /* ! NO_DDP */
+ if ( !dsi && (afp_versions[ i ].av_number >= 22)) continue;
+ count++;
+ }
data += ntohs( status );
- *data++ = num;
+ *data++ = count;
+
for ( i = 0; i < num; i++ ) {
+#ifndef NO_DDP
+ if ( !asp && (afp_versions[ i ].av_number <= 21)) continue;
+#endif /* ! NO_DDP */
+ if ( !dsi && (afp_versions[ i ].av_number >= 22)) continue;
len = strlen( afp_versions[ i ].av_name );
*data++ = len;
memcpy( data, afp_versions[ i ].av_name , len );
else {
afp_switch = postauth_switch;
switch (afp_version) {
+
+ case 33:
case 32:
-#ifdef HAVE_NFSv4_ACLS
+#ifdef HAVE_ACLS
uam_afpserver_action(AFP_GETACL, UAM_AFPSERVER_POSTAUTH, afp_getacl, NULL);
uam_afpserver_action(AFP_SETACL, UAM_AFPSERVER_POSTAUTH, afp_setacl, NULL);
uam_afpserver_action(AFP_ACCESS, UAM_AFPSERVER_POSTAUTH, afp_access, NULL);
-#endif
+#endif /* HAVE_ACLS */
uam_afpserver_action(AFP_GETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_getextattr, NULL);
uam_afpserver_action(AFP_SETEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_setextattr, NULL);
uam_afpserver_action(AFP_REMOVEATTR, UAM_AFPSERVER_POSTAUTH, afp_remextattr, NULL);
uam_afpserver_action(AFP_LISTEXTATTR, UAM_AFPSERVER_POSTAUTH, afp_listextattr, NULL);
+
case 31:
uam_afpserver_action(AFP_SYNCDIR, UAM_AFPSERVER_POSTAUTH, afp_syncdir, NULL);
uam_afpserver_action(AFP_SYNCFORK, UAM_AFPSERVER_POSTAUTH, afp_syncfork, NULL);
uam_afpserver_action(AFP_SPOTLIGHT_PRIVATE, UAM_AFPSERVER_POSTAUTH, afp_null_nolog, NULL);
uam_afpserver_action(AFP_ENUMERATE_EXT2, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext2, NULL);
+
case 30:
uam_afpserver_action(AFP_ENUMERATE_EXT, UAM_AFPSERVER_POSTAUTH, afp_enumerate_ext, NULL);
uam_afpserver_action(AFP_BYTELOCK_EXT, UAM_AFPSERVER_POSTAUTH, afp_bytelock_ext, NULL);
return AFP_OK;
}
+#define GROUPSTR_BUFSIZE 1024
+static const char *print_groups(int ngroups, gid_t *groups)
+{
+ static char groupsstr[GROUPSTR_BUFSIZE];
+ int i;
+ char *s = groupsstr;
+
+ if (ngroups == 0)
+ return "-";
+
+ for (i = 0; (i < ngroups) && (s < &groupsstr[GROUPSTR_BUFSIZE]); i++) {
+ s += snprintf(s, &groupsstr[GROUPSTR_BUFSIZE] - s, " %u", groups[i]);
+ }
+
+ return groupsstr;
+}
+
static int login(AFPObj *obj, struct passwd *pwd, void (*logout)(void), int expired)
{
#ifdef ADMIN_GRP
int admin = 0;
#endif /* ADMIN_GRP */
-#if 0
- set_processname("afpd");
-#endif
-
if ( pwd->pw_uid == 0 ) { /* don't allow root login */
LOG(log_error, logtype_afpd, "login: root login denied!" );
return AFPERR_NOTAUTH;
}
- LOG(log_info, logtype_afpd, "login %s (uid %d, gid %d) %s", pwd->pw_name,
- pwd->pw_uid, pwd->pw_gid , afp_versions[afp_version_index].av_name);
+ LOG(log_note, logtype_afpd, "%s Login by %s",
+ afp_versions[afp_version_index].av_name, pwd->pw_name);
#ifndef NO_DDP
if (obj->proto == AFPPROTO_ASP) {
}
#endif /* TRU64 */
- /* There's probably a better way to do this, but for now, we just
- play root */
+ LOG(log_debug, logtype_afpd, "login: supplementary groups: %s", print_groups(ngroups, groups));
+ /* There's probably a better way to do this, but for now, we just play root */
#ifdef ADMIN_GRP
- if (admin) uuid = 0;
+ if (admin)
+ uuid = 0;
else
#endif /* ADMIN_GRP */
uuid = pwd->pw_uid;
set_auth_switch(expired);
-
+ /* save our euid, we need it for preexec_close */
+ obj->uid = geteuid();
obj->logout = logout;
#ifdef FORCE_UIDGID
save_uidgid ( &obj->uidgid );
#endif
+ /* pam_umask or similar might have changed our umask */
+ (void)umask(obj->options.umask);
+
+ /* Some PAM module might have reset our signal handlers and timer, so we need to reestablish them */
+ afp_over_dsi_sighandlers(obj);
+
return( AFP_OK );
}
/* ---------------------- */
-int afp_zzz ( /* Function 122 */
- AFPObj *obj,
- char *ibuf _U_, size_t ibuflen _U_,
- char *rbuf, size_t *rbuflen)
+int afp_zzz(AFPObj *obj, char *ibuf, size_t ibuflen, char *rbuf, size_t *rbuflen)
{
- u_int32_t retdata;
+ uint32_t data;
+ DSI *dsi = (DSI *)AFPobj->handle;
*rbuflen = 0;
+ ibuf += 2;
+ ibuflen -= 2;
+
+ if (ibuflen < 4)
+ return AFPERR_MISC;
+ memcpy(&data, ibuf, 4); /* flag */
+ data = ntohl(data);
+
+ /*
+ * Possible sleeping states:
+ * 1) normal sleep: DSI_SLEEPING (up to 10.3)
+ * 2) extended sleep: DSI_SLEEPING | DSI_EXTSLEEP (starting with 10.4)
+ */
- retdata = obj->options.sleep /120;
- if (!retdata) {
- retdata = 1;
+ if (data & AFPZZZ_EXT_WAKEUP) {
+ /* wakeup request from exetended sleep */
+ if (dsi->flags & DSI_EXTSLEEP) {
+ LOG(log_note, logtype_afpd, "afp_zzz: waking up from extended sleep");
+ dsi->flags &= ~(DSI_SLEEPING | DSI_EXTSLEEP);
+ }
+ } else {
+ /* sleep request */
+ dsi->flags |= DSI_SLEEPING;
+ if (data & AFPZZZ_EXT_SLEEP) {
+ LOG(log_note, logtype_afpd, "afp_zzz: entering extended sleep");
+ dsi->flags |= DSI_EXTSLEEP;
+ } else {
+ LOG(log_note, logtype_afpd, "afp_zzz: entering normal sleep");
+ }
+ }
+
+ /*
+ * According to AFP 3.3 spec we should not return anything,
+ * but eg 10.5.8 server still returns the numbers of hours
+ * the server is keeping the sessino (ie max sleeptime).
+ */
+ data = obj->options.sleep / 120; /* hours */
+ if (!data) {
+ data = 1;
}
- *rbuflen = sizeof(retdata);
- retdata = htonl(retdata);
- memcpy(rbuf, &retdata, sizeof(retdata));
- if (obj->sleep)
- obj->sleep();
- rbuf += sizeof(retdata);
+ *rbuflen = sizeof(data);
+ data = htonl(data);
+ memcpy(rbuf, &data, sizeof(data));
+ rbuf += sizeof(data);
+
return AFP_OK;
}
token = obj->sinfo.sessiontoken;
}
break;
- case 3: /* Jaguar */
+ case 3:
case 4:
if (ibuflen >= 8 ) {
p = ibuf;
if (ibuflen < idlen || idlen > (90-10)) {
return AFPERR_PARAM;
}
- server_ipc_write(IPC_GETSESSION, idlen+8, p );
+ if (!obj->sinfo.clientid) {
+ obj->sinfo.clientid = malloc(idlen + 8);
+ memcpy(obj->sinfo.clientid, p, idlen + 8);
+ obj->sinfo.clientid_len = idlen + 8;
+ }
+ if (ipc_child_write(obj->ipc_fd, IPC_GETSESSION, idlen+8, p) != 0)
+ return AFPERR_MISC;
tklen = obj->sinfo.sessiontoken_len;
token = obj->sinfo.sessiontoken;
}
}
/* ---------------------- */
-int afp_disconnect(AFPObj *obj _U_, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
+int afp_disconnect(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
+ DSI *dsi = (DSI *)obj->handle;
u_int16_t type;
-
u_int32_t tklen;
pid_t token;
int i;
}
}
- /* killed old session, not easy */
- server_ipc_write(IPC_KILLTOKEN, tklen, &token);
- sleep(1);
+ LOG(log_note, logtype_afpd, "afp_disconnect: trying primary reconnect");
+ dsi->flags |= DSI_RECONINPROG;
+
+ /* Deactivate tickle timer */
+ const struct itimerval none = {{0, 0}, {0, 0}};
+ setitimer(ITIMER_REAL, &none, NULL);
+
+ /* check for old session, possibly transfering session from here to there */
+ if (ipc_child_write(obj->ipc_fd, IPC_DISCOLDSESSION, tklen, &token) != 0)
+ goto exit;
+ /* write uint16_t DSI request ID */
+ if (writet(obj->ipc_fd, &dsi->header.dsi_requestID, 2, 0, 2) != 2) {
+ LOG(log_error, logtype_afpd, "afp_disconnect: couldn't send DSI request ID");
+ goto exit;
+ }
+ /* now send our connected AFP client socket */
+ if (send_fd(obj->ipc_fd, dsi->socket) != 0)
+ goto exit;
+ /* Now see what happens: either afpd master sends us SIGTERM because our session */
+ /* has been transfered to a old disconnected session, or we continue */
+ sleep(5);
+
+ if (!(dsi->flags & DSI_RECONINPROG)) { /* deleted in SIGTERM handler */
+ /* Reconnect succeeded, we exit now after sleeping some more */
+ sleep(2); /* sleep some more to give the recon. session time */
+ LOG(log_note, logtype_afpd, "afp_disconnect: primary reconnect succeeded");
+ exit(0);
+ }
+
+exit:
+ /* Reinstall tickle timer */
+ setitimer(ITIMER_REAL, &dsi->timer, NULL);
- return AFPERR_SESSCLOS; /* was AFP_OK */
+ LOG(log_error, logtype_afpd, "afp_disconnect: primary reconnect failed");
+ return AFPERR_MISC;
}
/* ---------------------- */
}
-int afp_logout(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen _U_)
+int afp_logout(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf _U_, size_t *rbuflen)
{
- LOG(log_info, logtype_afpd, "logout %s", obj->username);
+ DSI *dsi = (DSI *)(obj->handle);
+
+ LOG(log_note, logtype_afpd, "AFP logout by %s", obj->username);
+ of_close_all_forks();
close_all_vol();
- obj->exit(0);
+ dsi->flags = DSI_AFP_LOGGED_OUT;
+ *rbuflen = 0;
return AFP_OK;
}
u_int8_t thisuser;
u_int32_t id;
u_int16_t bitmap;
+ char *bitmapp;
LOG(log_debug, logtype_afpd, "begin afp_getuserinfo:");
if ((bitmap & USERIBIT_ALL) != bitmap)
return AFPERR_BITMAP;
- /* copy the bitmap back to reply buffer */
+ /* remember place where we store the possibly modified bitmap later */
memcpy(rbuf, ibuf, sizeof(bitmap));
+ bitmapp = rbuf;
rbuf += sizeof(bitmap);
*rbuflen = sizeof(bitmap);
*rbuflen += sizeof(id);
}
-#ifdef HAVE_NFSv4_ACLS
if (bitmap & USERIBIT_UUID) {
- int ret;
- uuid_t uuid;
- char *uuidstring;
-
- if ( ! (obj->options.flags & OPTION_UUID))
- return AFPERR_BITMAP;
- LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
- ret = getuuidfromname( obj->username, UUID_USER, uuid);
- if (ret != 0) {
- LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
- return AFPERR_NOITEM;
- }
- if (0 == (uuid_bin2string( uuid, &uuidstring))) {
- LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuidstring);
- free(uuidstring);
+ if ( ! (obj->options.flags & OPTION_UUID)) {
+ bitmap &= ~USERIBIT_UUID;
+ bitmap = htons(bitmap);
+ memcpy(bitmapp, &bitmap, sizeof(bitmap));
+ } else {
+ LOG(log_debug, logtype_afpd, "afp_getuserinfo: get UUID for \'%s\'", obj->username);
+ int ret;
+ atalk_uuid_t uuid;
+ ret = getuuidfromname( obj->username, UUID_USER, uuid);
+ if (ret != 0) {
+ LOG(log_info, logtype_afpd, "afp_getuserinfo: error getting UUID !");
+ return AFPERR_NOITEM;
+ }
+ LOG(log_debug, logtype_afpd, "afp_getuserinfo: got UUID: %s", uuid_bin2string(uuid));
+
+ memcpy(rbuf, uuid, UUID_BINSIZE);
+ rbuf += UUID_BINSIZE;
+ *rbuflen += UUID_BINSIZE;
}
- memcpy(rbuf, uuid, UUID_BINSIZE);
- rbuf += UUID_BINSIZE;
- *rbuflen += UUID_BINSIZE;
}
-#endif
LOG(log_debug, logtype_afpd, "END afp_getuserinfo:");
return AFP_OK;
if (stat(name, &st) == 0) {
if ((mod = uam_load(name, p))) {
uam_attach(&uam_modules, mod);
- LOG(log_info, logtype_afpd, "uam: %s loaded", p);
+ LOG(log_debug, logtype_afpd, "uam: %s loaded", p);
} else {
- LOG(log_info, logtype_afpd, "uam: %s load failure",p);
+ LOG(log_error, logtype_afpd, "uam: %s load failure",p);
}
} else {
LOG(log_info, logtype_afpd, "uam: uam not found (status=%d)", stat(name, &st));
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