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-rw-r--r--source3/libnet/libnet_samsync.c53
-rw-r--r--source3/libnet/libnet_samsync_display.c11
-rw-r--r--source3/libnet/libnet_samsync_keytab.c5
-rw-r--r--source3/libnet/libnet_samsync_ldif.c11
-rw-r--r--source3/libnet/libnet_samsync_passdb.c15
5 files changed, 50 insertions, 45 deletions
diff --git a/source3/libnet/libnet_samsync.c b/source3/libnet/libnet_samsync.c
index 64dcf6de51..00caf2b8c1 100644
--- a/source3/libnet/libnet_samsync.c
+++ b/source3/libnet/libnet_samsync.c
@@ -33,7 +33,6 @@
static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
- bool rid_crypt,
enum netr_SamDatabaseID database_id,
struct netr_DELTA_ENUM *delta)
{
@@ -42,17 +41,29 @@ static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
struct netr_DELTA_USER *user = delta->delta_union.user;
struct samr_Password lm_hash;
struct samr_Password nt_hash;
+ unsigned char zero_buf[16];
- if (rid_crypt) {
- if (user->lm_password_present) {
+ memset(zero_buf, '\0', sizeof(zero_buf));
+
+ /* Note that win2000 may send us all zeros
+ * for the hashes if it doesn't
+ * think this channel is secure enough. */
+ if (user->lm_password_present) {
+ if (memcmp(user->lmpassword.hash, zero_buf, 16) != 0) {
sam_pwd_hash(rid, user->lmpassword.hash, lm_hash.hash, 0);
- user->lmpassword = lm_hash;
+ } else {
+ memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
}
+ user->lmpassword = lm_hash;
+ }
- if (user->nt_password_present) {
+ if (user->nt_password_present) {
+ if (memcmp(user->ntpassword.hash, zero_buf, 16) != 0) {
sam_pwd_hash(rid, user->ntpassword.hash, nt_hash.hash, 0);
- user->ntpassword = nt_hash;
+ } else {
+ memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
}
+ user->ntpassword = nt_hash;
}
if (user->user_private_info.SensitiveData) {
@@ -72,26 +83,31 @@ static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
return ndr_map_error2ntstatus(ndr_err);
}
+ /* Note that win2000 may send us all zeros
+ * for the hashes if it doesn't
+ * think this channel is secure enough. */
if (keys.keys.keys2.lmpassword.length == 16) {
- if (rid_crypt) {
+ if (memcmp(keys.keys.keys2.lmpassword.pwd.hash,
+ zero_buf, 16) != 0) {
sam_pwd_hash(rid,
- keys.keys.keys2.lmpassword.pwd.hash,
- lm_hash.hash, 0);
- user->lmpassword = lm_hash;
+ keys.keys.keys2.lmpassword.pwd.hash,
+ lm_hash.hash, 0);
} else {
- user->lmpassword = keys.keys.keys2.lmpassword.pwd;
+ memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
}
+ user->lmpassword = lm_hash;
user->lm_password_present = true;
}
if (keys.keys.keys2.ntpassword.length == 16) {
- if (rid_crypt) {
+ if (memcmp(keys.keys.keys2.ntpassword.pwd.hash,
+ zero_buf, 16) != 0) {
sam_pwd_hash(rid,
- keys.keys.keys2.ntpassword.pwd.hash,
- nt_hash.hash, 0);
- user->ntpassword = nt_hash;
+ keys.keys.keys2.ntpassword.pwd.hash,
+ nt_hash.hash, 0);
} else {
- user->ntpassword = keys.keys.keys2.ntpassword.pwd;
+ memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
}
+ user->ntpassword = nt_hash;
user->nt_password_present = true;
}
/* TODO: rid decrypt history fields */
@@ -129,7 +145,6 @@ static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
static NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
- bool rid_crypt,
enum netr_SamDatabaseID database_id,
struct netr_DELTA_ENUM *delta)
{
@@ -140,7 +155,6 @@ static NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
status = fix_user(mem_ctx,
session_key,
- rid_crypt,
database_id,
delta);
break;
@@ -165,7 +179,6 @@ static NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
- bool rid_crypt,
enum netr_SamDatabaseID database_id,
struct netr_DELTA_ENUM_ARRAY *r)
{
@@ -176,7 +189,6 @@ static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx,
status = samsync_fix_delta(mem_ctx,
session_key,
- rid_crypt,
database_id,
&r->delta_enum[i]);
if (!NT_STATUS_IS_OK(status)) {
@@ -330,7 +342,6 @@ NTSTATUS libnet_samsync(enum netr_SamDatabaseID database_id,
samsync_fix_delta_array(mem_ctx,
&session_key,
- false,
database_id,
delta_enum_array);
diff --git a/source3/libnet/libnet_samsync_display.c b/source3/libnet/libnet_samsync_display.c
index 6f7ae4e7aa..47c032aac7 100644
--- a/source3/libnet/libnet_samsync_display.c
+++ b/source3/libnet/libnet_samsync_display.c
@@ -59,21 +59,20 @@ static void display_account_info(uint32_t rid,
struct netr_DELTA_USER *r)
{
fstring hex_nt_passwd, hex_lm_passwd;
- uchar lm_passwd[16], nt_passwd[16];
- static uchar zero_buf[16];
+ uchar zero_buf[16];
+
+ memset(zero_buf, '\0', sizeof(zero_buf));
/* Decode hashes from password hash (if they are not NULL) */
if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->lmpassword.hash, lm_passwd, 0);
- pdb_sethexpwd(hex_lm_passwd, lm_passwd, r->acct_flags);
+ pdb_sethexpwd(hex_lm_passwd, r->lmpassword.hash, r->acct_flags);
} else {
pdb_sethexpwd(hex_lm_passwd, NULL, 0);
}
if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->ntpassword.hash, nt_passwd, 0);
- pdb_sethexpwd(hex_nt_passwd, nt_passwd, r->acct_flags);
+ pdb_sethexpwd(hex_nt_passwd, r->ntpassword.hash, r->acct_flags);
} else {
pdb_sethexpwd(hex_nt_passwd, NULL, 0);
}
diff --git a/source3/libnet/libnet_samsync_keytab.c b/source3/libnet/libnet_samsync_keytab.c
index 9e666ced32..4b0cc06d94 100644
--- a/source3/libnet/libnet_samsync_keytab.c
+++ b/source3/libnet/libnet_samsync_keytab.c
@@ -78,20 +78,17 @@ static NTSTATUS fetch_sam_entry_keytab(TALLOC_CTX *mem_ctx,
bool last_query,
struct libnet_keytab_context *ctx)
{
- uchar nt_passwd[16];
struct libnet_keytab_entry entry;
if (memcmp(r->ntpassword.hash, ctx->zero_buf, 16) == 0) {
return NT_STATUS_OK;
}
- sam_pwd_hash(rid, r->ntpassword.hash, nt_passwd, 0);
-
entry.name = talloc_strdup(mem_ctx, r->account_name.string);
entry.principal = talloc_asprintf(mem_ctx, "%s@%s",
r->account_name.string,
ctx->dns_domain_name);
- entry.password = data_blob_talloc(mem_ctx, nt_passwd, 16);
+ entry.password = data_blob_talloc(mem_ctx, r->ntpassword.hash, 16);
entry.kvno = ads_get_kvno(ctx->ads, entry.name);
entry.enctype = ENCTYPE_NULL;
diff --git a/source3/libnet/libnet_samsync_ldif.c b/source3/libnet/libnet_samsync_ldif.c
index cbae22aad3..dd5380b6b8 100644
--- a/source3/libnet/libnet_samsync_ldif.c
+++ b/source3/libnet/libnet_samsync_ldif.c
@@ -576,15 +576,16 @@ static NTSTATUS fetch_account_info_to_ldif(TALLOC_CTX *mem_ctx,
fstring username, logonscript, homedrive, homepath = "", homedir = "";
fstring hex_nt_passwd, hex_lm_passwd;
fstring description, profilepath, fullname, sambaSID;
- uchar lm_passwd[16], nt_passwd[16];
char *flags, *user_rdn;
const char *ou;
const char* nopasswd = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
- static uchar zero_buf[16];
+ uchar zero_buf[16];
uint32 rid = 0, group_rid = 0, gidNumber = 0;
time_t unix_time;
int i;
+ memset(zero_buf, '\0', sizeof(zero_buf));
+
/* Get the username */
fstrcpy(username, r->account_name.string);
@@ -630,14 +631,12 @@ static NTSTATUS fetch_account_info_to_ldif(TALLOC_CTX *mem_ctx,
/* Get lm and nt password data */
if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->lmpassword.hash, lm_passwd, 0);
- pdb_sethexpwd(hex_lm_passwd, lm_passwd, r->acct_flags);
+ pdb_sethexpwd(hex_lm_passwd, r->lmpassword.hash, r->acct_flags);
} else {
pdb_sethexpwd(hex_lm_passwd, NULL, 0);
}
if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->ntpassword.hash, nt_passwd, 0);
- pdb_sethexpwd(hex_nt_passwd, nt_passwd, r->acct_flags);
+ pdb_sethexpwd(hex_nt_passwd, r->ntpassword.hash, r->acct_flags);
} else {
pdb_sethexpwd(hex_nt_passwd, NULL, 0);
}
diff --git a/source3/libnet/libnet_samsync_passdb.c b/source3/libnet/libnet_samsync_passdb.c
index 7d07bcb791..1faef7b3eb 100644
--- a/source3/libnet/libnet_samsync_passdb.c
+++ b/source3/libnet/libnet_samsync_passdb.c
@@ -40,8 +40,9 @@ static NTSTATUS sam_account_from_delta(struct samu *account,
{
const char *old_string, *new_string;
time_t unix_time, stored_time;
- uchar lm_passwd[16], nt_passwd[16];
- static uchar zero_buf[16];
+ uchar zero_buf[16];
+
+ memset(zero_buf, '\0', sizeof(zero_buf));
/* Username, fullname, home dir, dir drive, logon script, acct
desc, workstations, profile. */
@@ -205,14 +206,12 @@ static NTSTATUS sam_account_from_delta(struct samu *account,
think this channel is secure enough - don't set the passwords at all
in that case
*/
- if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->ntpassword.hash, lm_passwd, 0);
- pdb_set_lanman_passwd(account, lm_passwd, PDB_CHANGED);
+ if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
+ pdb_set_lanman_passwd(account, r->lmpassword.hash, PDB_CHANGED);
}
- if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
- sam_pwd_hash(r->rid, r->lmpassword.hash, nt_passwd, 0);
- pdb_set_nt_passwd(account, nt_passwd, PDB_CHANGED);
+ if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
+ pdb_set_nt_passwd(account, r->ntpassword.hash, PDB_CHANGED);
}
/* TODO: account expiry time */
generated by cgit (git 2.34.1) at 2024-11-24 05:20:34 +0000