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-rw-r--r--source3/libsmb/clidgram.c165
-rw-r--r--source3/winbindd/winbindd_cm.c164
2 files changed, 167 insertions, 162 deletions
diff --git a/source3/libsmb/clidgram.c b/source3/libsmb/clidgram.c
index 66c6ee1022..baee95b9aa 100644
--- a/source3/libsmb/clidgram.c
+++ b/source3/libsmb/clidgram.c
@@ -119,3 +119,168 @@ bool cli_send_mailslot(struct messaging_context *msg_ctx,
MSG_SEND_PACKET,
(uint8 *)&p, sizeof(p)));
}
+
+static void mailslot_name(struct in_addr dc_ip, fstring name)
+{
+ fstr_sprintf(name, "\\MAILSLOT\\NET\\GETDC%X", dc_ip.s_addr);
+}
+
+bool send_getdc_request(struct messaging_context *msg_ctx,
+ 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;
+ }
+ if (sid) {
+ 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(msg_ctx,
+ False, "\\MAILSLOT\\NET\\NTLOGON", 0,
+ outbuf, PTR_DIFF(p, outbuf),
+ global_myname(), 0, domain_name, 0x1c,
+ dc_ss);
+}
+
+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;
+}
+
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++) {
generated by cgit (git 2.34.1) at 2024-11-04 17:01:28 +0000