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authorLuke Leighton <lkcl@samba.org>1997-10-25 15:49:27 +0000
committerLuke Leighton <lkcl@samba.org>1997-10-25 15:49:27 +0000
commit54932934421e8a34d190604122bc22d676e4c7ea (patch)
tree473193b8a88cc0e36611d283249fe5d5c9d5a8b5 /source3
parent027630f9ff79ae97d62012e6ca1c703425046778 (diff)
downloadsamba-54932934421e8a34d190604122bc22d676e4c7ea.tar.gz
samba-54932934421e8a34d190604122bc22d676e4c7ea.tar.bz2
samba-54932934421e8a34d190604122bc22d676e4c7ea.zip
got the SAM logon request generated, and received a SAM logon response back.
YEAH! need to add: - client-side credential calculation - client-side parsing of the SAM logon response. (This used to be commit 349677de3f06bb0892862de0e11172adeffda18a)
Diffstat (limited to 'source3')
-rw-r--r--source3/client/ntclient.c149
-rw-r--r--source3/include/smb.h6
-rw-r--r--source3/pipenetlog.c8
-rw-r--r--source3/smbparse.c43
4 files changed, 182 insertions, 24 deletions
diff --git a/source3/client/ntclient.c b/source3/client/ntclient.c
index 9fa64bd2ef..706cf0fa63 100644
--- a/source3/client/ntclient.c
+++ b/source3/client/ntclient.c
@@ -26,6 +26,8 @@
#include "includes.h"
extern int DEBUGLEVEL;
+extern pstring username;
+extern pstring workgroup;
#define CLIENT_TIMEOUT (30*1000)
@@ -183,6 +185,122 @@ static BOOL do_lsa_req_chal(uint16 fnum,
}
/****************************************************************************
+do a LSA SAM Logon
+****************************************************************************/
+static BOOL do_lsa_sam_logon(uint16 fnum,
+ char *logon_srv, char *comp_name,
+ DOM_CRED *clnt_cred, DOM_CRED *rtn_cred,
+ uint16 logon_level, uint16 switch_value, DOM_ID_INFO_1 *id1,
+ DOM_CRED *srv_cred)
+{
+ char *rparam = NULL;
+ char *rdata = NULL;
+ char *p;
+ int rdrcnt,rprcnt;
+ pstring data; /* only 1024 bytes */
+ uint16 setup[2]; /* only need 2 uint16 setup parameters */
+ LSA_Q_SAM_LOGON q_s;
+ int call_id = 0x1;
+ BOOL valid_cred = False;
+
+ if (srv_cred == NULL || clnt_cred == NULL || rtn_cred == NULL) return False;
+
+ /* create and send a MSRPC command with api LSA_SAMLOGON */
+
+ DEBUG(4,("LSA SAM Logon: srv:%s mc:%s clnt %lx %lx %lx rtn: %lx %lx %lx ll: %d\n",
+ logon_srv, comp_name,
+ clnt_cred->challenge.data[0], clnt_cred->challenge.data[1], clnt_cred->timestamp.time,
+ rtn_cred ->challenge.data[0], rtn_cred ->challenge.data[1], rtn_cred ->timestamp.time,
+ logon_level));
+
+ /* store the parameters */
+ make_sam_info(&(q_s.sam_id), logon_srv, comp_name,
+ clnt_cred, rtn_cred, logon_level, switch_value, id1);
+
+ /* turn parameters into data stream */
+ p = lsa_io_q_sam_logon(False, &q_s, data + 0x18, data, 4, 0);
+
+ /* create the request RPC_HDR _after_ the main data: length is now known */
+ create_rpc_request(call_id, LSA_SAMLOGON, data, PTR_DIFF(p, data));
+
+ /* create setup parameters. */
+ SIVAL(setup, 0, 0x0026); /* 0x26 indicates "transact named pipe" */
+ SIVAL(setup, 2, fnum); /* file handle, from the SMBcreateX pipe, earlier */
+
+ /* send the data on \PIPE\ */
+ if (cli_call_api("\\PIPE\\", 0, PTR_DIFF(p, data), 2, 1024,
+ BUFFER_SIZE,
+ &rprcnt,&rdrcnt,
+ NULL, data, setup,
+ &rparam,&rdata))
+ {
+#if 0
+ LSA_R_AUTH_2 r_a;
+ RPC_HDR hdr;
+ int hdr_len;
+ int pkt_len;
+
+ DEBUG(5, ("cli_call_api: return OK\n"));
+
+ p = rdata;
+
+ if (p) p = smb_io_rpc_hdr (True, &hdr, p, rdata, 4, 0);
+ if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
+
+ hdr_len = PTR_DIFF(p, rdata);
+
+ if (p && hdr_len != hdr.frag_len - hdr.alloc_hint)
+ {
+ /* header length not same as calculated header length */
+ DEBUG(2,("do_lsa_auth2: hdr_len %x != frag_len-alloc_hint\n",
+ hdr_len, hdr.frag_len - hdr.alloc_hint));
+ p = NULL;
+ }
+
+ if (p) p = lsa_io_r_auth_2(True, &r_a, p, rdata, 4, 0);
+
+ pkt_len = PTR_DIFF(p, rdata);
+
+ if (p && pkt_len != hdr.frag_len)
+ {
+ /* packet data size not same as reported fragment length */
+ DEBUG(2,("do_lsa_auth2: pkt_len %x != frag_len \n",
+ pkt_len, hdr.frag_len));
+ p = NULL;
+ }
+
+ if (p && r_a.status != 0)
+ {
+ /* report error code */
+ DEBUG(0,("LSA_AUTH2: nt_status error %lx\n", r_a.status));
+ p = NULL;
+ }
+
+ if (p && r_a.srv_flgs.neg_flags != q_a.clnt_flgs.neg_flags)
+ {
+ /* report different neg_flags */
+ DEBUG(0,("LSA_AUTH2: error neg_flags (q,r) differ - (%lx,%lx)\n",
+ q_a.clnt_flgs.neg_flags, r_a.srv_flgs.neg_flags));
+ p = NULL;
+ }
+
+ if (p)
+ {
+ /* ok, at last: we're happy. return the challenge */
+ memcpy(srv_chal, r_a.srv_chal.data, sizeof(srv_chal->data));
+ valid_chal = True;
+ }
+#endif
+ }
+
+ if (rparam) free(rparam);
+ if (rdata) free(rdata);
+
+ return valid_cred;
+}
+
+
+/****************************************************************************
do a LSA Authenticate 2
****************************************************************************/
static BOOL do_lsa_auth2(uint16 fnum,
@@ -303,6 +421,12 @@ BOOL do_nt_login(char *desthost, char *myhostname,
DOM_CHAL auth2_clnt_chal;
DOM_CHAL auth2_srv_chal;
+ DOM_CRED sam_log_clnt_cred;
+ DOM_CRED sam_log_rtn_cred;
+ DOM_CRED sam_log_srv_cred;
+
+ DOM_ID_INFO_1 id1;
+
UTIME zerotime;
uint32 sess_key[2];
@@ -358,15 +482,20 @@ BOOL do_nt_login(char *desthost, char *myhostname,
free(inbuf); free(outbuf);
return False;
}
-#endif
+
+ DEBUG(5,("got nt owf from smbpasswd entry: %s\n", mach_pwd));
+#else
{
char lm_owf_mach_pwd[16];
nt_lm_owf_gen(mach_pwd, nt_owf_mach_pwd, lm_owf_mach_pwd);
DEBUG(5,("generating nt owf from initial machine pwd: %s\n", mach_pwd));
- dump_data(6, nt_owf_mach_pwd, 16);
}
+#endif
+
+ dump_data(6, nt_owf_mach_pwd, 16);
+
/* calculate the session key */
cred_session_key(&clnt_chal, &srv_chal, nt_owf_mach_pwd, sess_key);
@@ -382,6 +511,22 @@ BOOL do_nt_login(char *desthost, char *myhostname,
return False;
}
+ make_id_info1(&id1, workgroup, 0,
+ getuid(), 0,
+ username, myhostname,
+ NULL, NULL);
+
+ /* send client sam-logon challenge; receive a sam-logon challenge */
+ if (!do_lsa_sam_logon(fnum, desthost, mach_acct,
+ &sam_log_clnt_cred, &sam_log_rtn_cred,
+ 1, 1, &id1,
+ &sam_log_srv_cred))
+ {
+ cli_smb_close(inbuf, outbuf, Client, cnum, fnum);
+ free(inbuf); free(outbuf);
+ return False;
+ }
+
#if 0
cli_lsa_sam_logon();
cli_lsa_sam_logoff();
diff --git a/source3/include/smb.h b/source3/include/smb.h
index b6b9d177a1..b19fbfb4ca 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -502,12 +502,12 @@ typedef struct id_info_1
uint32 param_ctrl; /* param control */
DOM_LOGON_ID logon_id; /* logon ID */
UNIHDR hdr_user_name; /* user name unicode header */
- UNIHDR hdr_workgroup_name; /* workgroup name unicode header */
+ UNIHDR hdr_wksta_name; /* workgroup name unicode header */
ARC4_OWF arc4_lm_owf; /* arc4 LM OWF Password */
ARC4_OWF arc4_nt_owf; /* arc4 NT OWF Password */
UNISTR2 uni_domain_name; /* domain name unicode string */
UNISTR2 uni_user_name; /* user name unicode string */
- UNISTR2 uni_workgroup_name; /* workgroup name unicode string */
+ UNISTR2 uni_wksta_name; /* workgroup name unicode string */
} DOM_ID_INFO_1;
@@ -522,7 +522,7 @@ typedef struct sam_info
union
{
- DOM_ID_INFO_1 id1; /* auth-level 1 */
+ DOM_ID_INFO_1 *id1; /* auth-level 1 */
} auth;
diff --git a/source3/pipenetlog.c b/source3/pipenetlog.c
index 30300dec3e..ea2d326c45 100644
--- a/source3/pipenetlog.c
+++ b/source3/pipenetlog.c
@@ -436,10 +436,16 @@ static void api_lsa_sam_logon( user_struct *vuser,
char **rdata, int *rdata_len )
{
LSA_Q_SAM_LOGON q_l;
+ DOM_ID_INFO_1 id1;
+
LSA_USER_INFO usr_info;
DOM_CRED srv_creds;
+ /* the DOM_ID_INFO_1 structure is a bit big. plus we might want to
+ dynamically allocate it inside lsa_io_q_sam_logon, at some point */
+ q_l.sam_id.auth.id1 = &id1;
+
lsa_io_q_sam_logon(True, &q_l, data + 0x18, data, 4, 0);
/* checks and updates credentials. creates reply credentials */
@@ -465,7 +471,7 @@ static void api_lsa_sam_logon( user_struct *vuser,
extern pstring myname;
uint32 r_uid;
uint32 r_gid;
- UNISTR2 *uni_samlogon_user = &(q_l.sam_id.auth.id1.uni_user_name);
+ UNISTR2 *uni_samlogon_user = &(q_l.sam_id.auth.id1->uni_user_name);
dummy_time.low = 0xffffffff;
dummy_time.high = 0x7fffffff;
diff --git a/source3/smbparse.c b/source3/smbparse.c
index 292cfa1ada..785ae74b17 100644
--- a/source3/smbparse.c
+++ b/source3/smbparse.c
@@ -597,7 +597,14 @@ void make_arc4_owf(ARC4_OWF *hash, char data[16])
DEBUG(5,("make_arc4_owf: %d\n", __LINE__));
- memcpy(hash->data, data, sizeof(hash->data));
+ if (data != NULL)
+ {
+ memcpy(hash->data, data, sizeof(hash->data));
+ }
+ else
+ {
+ bzero(hash->data, sizeof(hash->data));
+ }
}
/*******************************************************************
@@ -622,12 +629,12 @@ makes a DOM_ID_INFO_1 structure.
********************************************************************/
void make_id_info1(DOM_ID_INFO_1 *id, char *domain_name,
uint32 param_ctrl, uint32 log_id_low, uint32 log_id_high,
- char *user_name, char *workgroup_name,
+ char *user_name, char *wksta_name,
char arc4_lm_owf[16], char arc4_nt_owf[16])
{
- int len_domain_name = strlen(domain_name );
- int len_user_name = strlen(user_name );
- int len_workgroup_name = strlen(workgroup_name);
+ int len_domain_name = strlen(domain_name);
+ int len_user_name = strlen(user_name );
+ int len_wksta_name = strlen(wksta_name );
if (id == NULL) return;
@@ -635,20 +642,20 @@ void make_id_info1(DOM_ID_INFO_1 *id, char *domain_name,
id->ptr_id_info1 = 1;
- make_uni_hdr(&(id->hdr_domain_name ), len_domain_name , len_domain_name , 4);
+ make_uni_hdr(&(id->hdr_domain_name), len_domain_name, len_domain_name, 4);
id->param_ctrl = param_ctrl;
make_logon_id(&(id->logon_id), log_id_low, log_id_high);
- make_uni_hdr(&(id->hdr_user_name ), len_user_name , len_user_name , 4);
- make_uni_hdr(&(id->hdr_workgroup_name), len_workgroup_name, len_workgroup_name, 4);
+ make_uni_hdr(&(id->hdr_user_name ), len_user_name , len_user_name , 4);
+ make_uni_hdr(&(id->hdr_wksta_name ), len_wksta_name , len_wksta_name , 4);
make_arc4_owf(&(id->arc4_lm_owf), arc4_lm_owf);
make_arc4_owf(&(id->arc4_nt_owf), arc4_nt_owf);
- make_unistr2(&(id->uni_domain_name ), domain_name , len_domain_name );
- make_unistr2(&(id->uni_user_name ), user_name , len_user_name );
- make_unistr2(&(id->uni_workgroup_name), workgroup_name, len_workgroup_name);
+ make_unistr2(&(id->uni_domain_name), domain_name, len_domain_name);
+ make_unistr2(&(id->uni_user_name ), user_name , len_user_name );
+ make_unistr2(&(id->uni_wksta_name ), wksta_name , len_wksta_name );
}
/*******************************************************************
@@ -667,20 +674,20 @@ char* smb_io_id_info1(BOOL io, DOM_ID_INFO_1 *id, char *q, char *base, int align
if (id->ptr_id_info1 != 0)
{
- q = smb_io_unihdr(io, &(id->hdr_domain_name ), q, base, align, depth);
+ q = smb_io_unihdr(io, &(id->hdr_domain_name), q, base, align, depth);
DBG_RW_IVAL("param_ctrl", depth, base, io, q, id->param_ctrl); q += 4;
q = smb_io_logon_id(io, &(id->logon_id), q, base, align, depth);
- q = smb_io_unihdr(io, &(id->hdr_user_name ), q, base, align, depth);
- q = smb_io_unihdr(io, &(id->hdr_workgroup_name), q, base, align, depth);
+ q = smb_io_unihdr(io, &(id->hdr_user_name ), q, base, align, depth);
+ q = smb_io_unihdr(io, &(id->hdr_wksta_name ), q, base, align, depth);
q = smb_io_arc4_owf(io, &(id->arc4_lm_owf), q, base, align, depth);
q = smb_io_arc4_owf(io, &(id->arc4_nt_owf), q, base, align, depth);
- q = smb_io_unistr2(io, &(id->uni_domain_name ), q, base, align, depth);
- q = smb_io_unistr2(io, &(id->uni_user_name ), q, base, align, depth);
- q = smb_io_unistr2(io, &(id->uni_workgroup_name), q, base, align, depth);
+ q = smb_io_unistr2(io, &(id->uni_domain_name), q, base, align, depth);
+ q = smb_io_unistr2(io, &(id->uni_user_name ), q, base, align, depth);
+ q = smb_io_unistr2(io, &(id->uni_wksta_name ), q, base, align, depth);
}
return q;
@@ -691,7 +698,7 @@ makes a DOM_SAM_INFO structure.
********************************************************************/
void make_sam_info(DOM_SAM_INFO *sam,
char *logon_srv, char *comp_name, DOM_CRED *clnt_cred,
- DOM_CRED *rtn_cred, uint16 switch_value, uint16 logon_level,
+ DOM_CRED *rtn_cred, uint16 logon_level, uint16 switch_value,
DOM_ID_INFO_1 *id1)
{
if (sam == NULL) return;