From bbded540b689d3f0c6ed3ddb61eae3b8a5569372 Mon Sep 17 00:00:00 2001 From: Günther Deschner Date: Wed, 16 Apr 2008 23:52:34 +0200 Subject: Move GETDC mailslot out of winbindd. Guenther (This used to be commit b003ba65e34bb92bf71a7943957715cd7acbcce0) --- source3/winbindd/winbindd_cm.c | 164 +---------------------------------------- 1 file changed, 2 insertions(+), 162 deletions(-) (limited to 'source3/winbindd') diff --git a/source3/winbindd/winbindd_cm.c b/source3/winbindd/winbindd_cm.c index 8e275b2269..adb631b57b 100644 --- a/source3/winbindd/winbindd_cm.c +++ b/source3/winbindd/winbindd_cm.c @@ -1021,167 +1021,6 @@ static bool add_sockaddr_to_array(TALLOC_CTX *mem_ctx, return True; } -static void mailslot_name(struct in_addr dc_ip, fstring name) -{ - fstr_sprintf(name, "\\MAILSLOT\\NET\\GETDC%X", dc_ip.s_addr); -} - -static bool send_getdc_request(struct sockaddr_storage *dc_ss, - const char *domain_name, - const DOM_SID *sid) -{ - char outbuf[1024]; - struct in_addr dc_ip; - char *p; - fstring my_acct_name; - fstring my_mailslot; - size_t sid_size; - - if (dc_ss->ss_family != AF_INET) { - return false; - } - - dc_ip = ((struct sockaddr_in *)dc_ss)->sin_addr; - mailslot_name(dc_ip, my_mailslot); - - memset(outbuf, '\0', sizeof(outbuf)); - - p = outbuf; - - SCVAL(p, 0, SAMLOGON); - p++; - - SCVAL(p, 0, 0); /* Count pointer ... */ - p++; - - SIVAL(p, 0, 0); /* The sender's token ... */ - p += 2; - - p += dos_PutUniCode(p, global_myname(), - sizeof(outbuf) - PTR_DIFF(p, outbuf), True); - fstr_sprintf(my_acct_name, "%s$", global_myname()); - p += dos_PutUniCode(p, my_acct_name, - sizeof(outbuf) - PTR_DIFF(p, outbuf), True); - - if (strlen(my_mailslot)+1 > sizeof(outbuf) - PTR_DIFF(p, outbuf)) { - return false; - } - - memcpy(p, my_mailslot, strlen(my_mailslot)+1); - p += strlen(my_mailslot)+1; - - if (sizeof(outbuf) - PTR_DIFF(p, outbuf) < 8) { - return false; - } - - SIVAL(p, 0, 0x80); - p+=4; - - sid_size = ndr_size_dom_sid(sid, 0); - - SIVAL(p, 0, sid_size); - p+=4; - - p = ALIGN4(p, outbuf); - if (PTR_DIFF(p, outbuf) > sizeof(outbuf)) { - return false; - } - - if (sid_size + 8 > sizeof(outbuf) - PTR_DIFF(p, outbuf)) { - return false; - } - sid_linearize(p, sizeof(outbuf) - PTR_DIFF(p, outbuf), sid); - - p += sid_size; - - SIVAL(p, 0, 1); - SSVAL(p, 4, 0xffff); - SSVAL(p, 6, 0xffff); - p+=8; - - return cli_send_mailslot(winbind_messaging_context(), - False, "\\MAILSLOT\\NET\\NTLOGON", 0, - outbuf, PTR_DIFF(p, outbuf), - global_myname(), 0, domain_name, 0x1c, - dc_ss); -} - -static bool receive_getdc_response(struct sockaddr_storage *dc_ss, - const char *domain_name, - fstring dc_name) -{ - struct packet_struct *packet; - fstring my_mailslot; - char *buf, *p; - fstring dcname, user, domain; - int len; - struct in_addr dc_ip; - - if (dc_ss->ss_family != AF_INET) { - return false; - } - dc_ip = ((struct sockaddr_in *)dc_ss)->sin_addr; - mailslot_name(dc_ip, my_mailslot); - - packet = receive_unexpected(DGRAM_PACKET, 0, my_mailslot); - - if (packet == NULL) { - DEBUG(5, ("Did not receive packet for %s\n", my_mailslot)); - return False; - } - - DEBUG(5, ("Received packet for %s\n", my_mailslot)); - - buf = packet->packet.dgram.data; - len = packet->packet.dgram.datasize; - - if (len < 70) { - /* 70 is a completely arbitrary value to make sure - the SVAL below does not read uninitialized memory */ - DEBUG(3, ("GetDC got short response\n")); - return False; - } - - /* This should be (buf-4)+SVAL(buf-4, smb_vwv12)... */ - p = buf+SVAL(buf, smb_vwv10); - - switch (CVAL(p, 0)) { - case SAMLOGON_R: - case SAMLOGON_UNK_R: - p+=2; - pull_ucs2(buf, dcname, p, sizeof(dcname), PTR_DIFF(buf+len, p), - STR_TERMINATE|STR_NOALIGN); - p = skip_unibuf(p, PTR_DIFF(buf+len, p)); - pull_ucs2(buf, user, p, sizeof(user), PTR_DIFF(buf+len, p), - STR_TERMINATE|STR_NOALIGN); - p = skip_unibuf(p, PTR_DIFF(buf+len, p)); - pull_ucs2(buf, domain, p, sizeof(domain), PTR_DIFF(buf+len, p), - STR_TERMINATE|STR_NOALIGN); - p = skip_unibuf(p, PTR_DIFF(buf+len, p)); - - if (!strequal(domain, domain_name)) { - DEBUG(3, ("GetDC: Expected domain %s, got %s\n", - domain_name, domain)); - return False; - } - break; - - default: - DEBUG(8, ("GetDC got invalid response type %d\n", CVAL(p, 0))); - return False; - } - p = dcname; - if (*p == '\\') p += 1; - if (*p == '\\') p += 1; - - fstrcpy(dc_name, p); - - DEBUG(10, ("GetDC gave name %s for domain %s\n", - dc_name, domain)); - - return True; -} - /******************************************************************* convert an ip to a name *******************************************************************/ @@ -1253,7 +1092,8 @@ static bool dcip_to_name(const struct winbindd_domain *domain, /* try GETDC requests next */ - if (send_getdc_request(pss, domain->name, &domain->sid)) { + if (send_getdc_request(winbind_messaging_context(), + pss, domain->name, &domain->sid)) { int i; smb_msleep(100); for (i=0; i<5; i++) { -- cgit