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-rw-r--r--source3/auth/auth_util.c10
-rw-r--r--source3/include/auth.h10
-rw-r--r--source3/include/smb.h2
-rw-r--r--source3/lib/substitute.c11
-rw-r--r--source3/printing/printing.c9
-rw-r--r--source3/rpc_server/srv_lsa_nt.c4
-rw-r--r--source3/smbd/lanman.c12
-rw-r--r--source3/smbd/password.c49
-rw-r--r--source3/smbd/process.c8
-rw-r--r--source3/smbd/service.c9
-rw-r--r--source3/smbd/session.c2
-rw-r--r--source3/smbd/uid.c11
12 files changed, 89 insertions, 48 deletions
diff --git a/source3/auth/auth_util.c b/source3/auth/auth_util.c
index 78f275d8672..51164256065 100644
--- a/source3/auth/auth_util.c
+++ b/source3/auth/auth_util.c
@@ -1107,6 +1107,7 @@ static NTSTATUS make_new_server_info_guest(auth_serversupplied_info **server_inf
DOM_SID guest_sid;
bool ret;
char zeros[16];
+ fstring tmp;
if ( !(sampass = samu_new( NULL )) ) {
return NT_STATUS_NO_MEMORY;
@@ -1145,6 +1146,9 @@ static NTSTATUS make_new_server_info_guest(auth_serversupplied_info **server_inf
(*server_info)->user_session_key = data_blob(zeros, sizeof(zeros));
(*server_info)->lm_session_key = data_blob(zeros, sizeof(zeros));
+ alpha_strcpy(tmp, pdb_get_username(sampass), ". _-$", sizeof(tmp));
+ (*server_info)->sanitized_username = talloc_strdup(*server_info, tmp);
+
return NT_STATUS_OK;
}
@@ -1200,6 +1204,12 @@ static auth_serversupplied_info *copy_serverinfo(auth_serversupplied_info *src)
return NULL;
}
+ dst->sanitized_username = talloc_strdup(dst, src->sanitized_username);
+ if (!dst->sanitized_username) {
+ TALLOC_FREE(dst);
+ return NULL;
+ }
+
return dst;
}
diff --git a/source3/include/auth.h b/source3/include/auth.h
index a7531b35cd9..df2bed8756d 100644
--- a/source3/include/auth.h
+++ b/source3/include/auth.h
@@ -69,7 +69,15 @@ typedef struct auth_serversupplied_info {
bool was_mapped; /* Did the username map match? */
char *unix_name;
-
+
+ /*
+ * For performance reasons we keep an alpha_strcpy-sanitized version
+ * of the username around as long as the global variable current_user
+ * still exists. If we did not do keep this, we'd have to call
+ * alpha_strcpy whenever we do a become_user(), potentially on every
+ * smb request. See set_current_user_info.
+ */
+ char *sanitized_username;
} auth_serversupplied_info;
struct auth_context {
diff --git a/source3/include/smb.h b/source3/include/smb.h
index d1af77d1d61..47a11f51a08 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -1778,8 +1778,6 @@ typedef struct user_struct {
struct user_struct *next, *prev;
uint16 vuid; /* Tag for this entry. */
- userdom_struct user;
-
char *session_keystr; /* used by utmp and pam session code.
TDB key string */
int homes_snum;
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index 62dfdb56b56..c8ad6199e8b 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -213,11 +213,18 @@ static const char *get_smb_user_name(void)
/*******************************************************************
Setup the strings used by substitutions. Called per packet. Ensure
%U name is set correctly also.
+
+ smb_name must be sanitized by alpha_strcpy
********************************************************************/
-void set_current_user_info(const userdom_struct *pcui)
+void set_current_user_info(const char *smb_name, const char *unix_name,
+ const char *full_name, const char *domain)
{
- current_user_info = *pcui;
+ fstrcpy(current_user_info.smb_name, smb_name);
+ fstrcpy(current_user_info.unix_name, unix_name);
+ fstrcpy(current_user_info.full_name, full_name);
+ fstrcpy(current_user_info.domain, domain);
+
/* The following is safe as current_user_info.smb_name
* has already been sanitised in register_existing_vuid. */
diff --git a/source3/printing/printing.c b/source3/printing/printing.c
index c5fe53f0426..aa67f08d821 100644
--- a/source3/printing/printing.c
+++ b/source3/printing/printing.c
@@ -1989,7 +1989,8 @@ static bool is_owner(struct current_user *user, const char *servicename,
return False;
if ((vuser = get_valid_user_struct(user->vuid)) != NULL) {
- return strequal(pjob->user, vuser->user.smb_name);
+ return strequal(pjob->user,
+ vuser->server_info->sanitized_username);
} else {
return strequal(pjob->user, uidtoname(user->ut.uid));
}
@@ -2438,8 +2439,10 @@ uint32 print_job_start(struct current_user *user, int snum, char *jobname, NT_DE
if ((vuser = get_valid_user_struct(user->vuid)) != NULL) {
fstrcpy(pjob.user, lp_printjob_username(snum));
- standard_sub_basic(vuser->user.smb_name, vuser->user.domain,
- pjob.user, sizeof(pjob.user)-1);
+ standard_sub_basic(
+ vuser->server_info->sanitized_username,
+ pdb_get_domain(vuser->server_info->sam_account),
+ pjob.user, sizeof(pjob.user)-1);
/* ensure NULL termination */
pjob.user[sizeof(pjob.user)-1] = '\0';
} else {
diff --git a/source3/rpc_server/srv_lsa_nt.c b/source3/rpc_server/srv_lsa_nt.c
index 8bc377b97ea..7c33bd0d4f4 100644
--- a/source3/rpc_server/srv_lsa_nt.c
+++ b/source3/rpc_server/srv_lsa_nt.c
@@ -1479,8 +1479,8 @@ NTSTATUS _lsa_GetUserName(pipes_struct *p,
return NT_STATUS_NO_MEMORY;
}
} else {
- username = vuser->user.smb_name;
- domname = vuser->user.domain;
+ username = vuser->server_info->sanitized_username;
+ domname = pdb_get_domain(vuser->server_info->sam_account);
}
account_name = TALLOC_ZERO_P(p->mem_ctx, struct lsa_String);
diff --git a/source3/smbd/lanman.c b/source3/smbd/lanman.c
index a3687451d5b..a2338934822 100644
--- a/source3/smbd/lanman.c
+++ b/source3/smbd/lanman.c
@@ -3340,7 +3340,7 @@ static bool api_RNetUserGetInfo(connection_struct *conn, uint16 vuid,
if(vuser != NULL) {
DEBUG(3,(" Username of UID %d is %s\n",
(int)vuser->server_info->uid,
- vuser->user.unix_name));
+ vuser->server_info->unix_name));
}
if (!str1 || !str2 || !UserName || !p) {
@@ -3413,7 +3413,9 @@ static bool api_RNetUserGetInfo(connection_struct *conn, uint16 vuid,
/* EEK! the cifsrap.txt doesn't have this in!!!! */
SIVAL(p,usri11_full_name,PTR_DIFF(p2,p)); /* full name */
- strlcpy(p2,((vuser != NULL) ? vuser->user.full_name : UserName),PTR_DIFF(endp,p2));
+ strlcpy(p2,((vuser != NULL)
+ ? pdb_get_fullname(vuser->server_info->sam_account)
+ : UserName),PTR_DIFF(endp,p2));
p2 = skip_string(*rdata,*rdata_len,p2);
if (!p2) {
return False;
@@ -3503,7 +3505,9 @@ static bool api_RNetUserGetInfo(connection_struct *conn, uint16 vuid,
if (uLevel == 2) {
SIVAL(p,60,0); /* auth_flags */
SIVAL(p,64,PTR_DIFF(p2,*rdata)); /* full_name */
- strlcpy(p2,((vuser != NULL) ? vuser->user.full_name : UserName),PTR_DIFF(endp,p2));
+ strlcpy(p2,((vuser != NULL)
+ ? pdb_get_fullname(vuser->server_info->sam_account)
+ : UserName),PTR_DIFF(endp,p2));
p2 = skip_string(*rdata,*rdata_len,p2);
if (!p2) {
return False;
@@ -3592,7 +3596,7 @@ static bool api_WWkstaUserLogon(connection_struct *conn,uint16 vuid,
if(vuser != NULL) {
DEBUG(3,(" Username of UID %d is %s\n",
(int)vuser->server_info->uid,
- vuser->user.unix_name));
+ vuser->server_info->unix_name));
}
uLevel = get_safe_SVAL(param,tpscnt,p,0,-1);
diff --git a/source3/smbd/password.c b/source3/smbd/password.c
index 5e2e713d439..a872ea2b489 100644
--- a/source3/smbd/password.c
+++ b/source3/smbd/password.c
@@ -253,40 +253,36 @@ int register_existing_vuid(uint16 vuid,
DATA_BLOB response_blob,
const char *smb_name)
{
- user_struct *vuser = get_partial_auth_user_struct(vuid);
+ fstring tmp;
+ user_struct *vuser;
+
+ vuser = get_partial_auth_user_struct(vuid);
if (!vuser) {
goto fail;
}
/* Use this to keep tabs on all our info from the authentication */
- vuser->server_info = server_info;
-
- /* Ensure that the server_info will disappear with
- * the vuser it is now attached to */
-
- talloc_steal(vuser, vuser->server_info);
-
- fstrcpy(vuser->user.unix_name, server_info->unix_name);
+ vuser->server_info = talloc_move(vuser, &server_info);
/* This is a potentially untrusted username */
- alpha_strcpy(vuser->user.smb_name, smb_name, ". _-$",
- sizeof(vuser->user.smb_name));
+ alpha_strcpy(tmp, smb_name, ". _-$", sizeof(tmp));
- fstrcpy(vuser->user.domain, pdb_get_domain(server_info->sam_account));
- fstrcpy(vuser->user.full_name,
- pdb_get_fullname(server_info->sam_account));
+ vuser->server_info->sanitized_username = talloc_strdup(
+ server_info, tmp);
DEBUG(10,("register_existing_vuid: (%u,%u) %s %s %s guest=%d\n",
- (unsigned int)vuser->server_info->uid,
- (unsigned int)vuser->server_info->gid,
- vuser->user.unix_name, vuser->user.smb_name,
- vuser->user.domain, vuser->server_info->guest ));
+ (unsigned int)vuser->server_info->uid,
+ (unsigned int)vuser->server_info->gid,
+ vuser->server_info->unix_name,
+ vuser->server_info->sanitized_username,
+ pdb_get_domain(vuser->server_info->sam_account),
+ vuser->server_info->guest ));
DEBUG(3, ("register_existing_vuid: User name: %s\t"
- "Real name: %s\n", vuser->user.unix_name,
- vuser->user.full_name));
+ "Real name: %s\n", vuser->server_info->unix_name,
+ pdb_get_fullname(vuser->server_info->sam_account)));
- if (!server_info->ptok) {
+ if (!vuser->server_info->ptok) {
DEBUG(1, ("register_existing_vuid: server_info does not "
"contain a user_token - cannot continue\n"));
goto fail;
@@ -294,7 +290,7 @@ int register_existing_vuid(uint16 vuid,
DEBUG(3,("register_existing_vuid: UNIX uid %d is UNIX user %s, "
"and will be vuid %u\n", (int)vuser->server_info->uid,
- vuser->user.unix_name, vuser->vuid));
+ vuser->server_info->unix_name, vuser->vuid));
next_vuid++;
num_validated_vuids++;
@@ -316,7 +312,7 @@ int register_existing_vuid(uint16 vuid,
if (!vuser->server_info->guest) {
vuser->homes_snum = register_homes_share(
- vuser->user.unix_name);
+ vuser->server_info->unix_name);
}
if (srv_is_signing_negotiated() && !vuser->server_info->guest &&
@@ -327,7 +323,12 @@ int register_existing_vuid(uint16 vuid,
}
/* fill in the current_user_info struct */
- set_current_user_info( &vuser->user );
+ set_current_user_info(
+ vuser->server_info->sanitized_username,
+ vuser->server_info->unix_name,
+ pdb_get_fullname(vuser->server_info->sam_account),
+ pdb_get_domain(vuser->server_info->sam_account));
+
return vuser->vuid;
fail:
diff --git a/source3/smbd/process.c b/source3/smbd/process.c
index 5946989ae75..ab737a89a7e 100644
--- a/source3/smbd/process.c
+++ b/source3/smbd/process.c
@@ -1387,7 +1387,13 @@ static connection_struct *switch_message(uint8 type, struct smb_request *req, in
if(session_tag != UID_FIELD_INVALID) {
vuser = get_valid_user_struct(session_tag);
if (vuser) {
- set_current_user_info(&vuser->user);
+ set_current_user_info(
+ vuser->server_info->sanitized_username,
+ vuser->server_info->unix_name,
+ pdb_get_fullname(vuser->server_info
+ ->sam_account),
+ pdb_get_domain(vuser->server_info
+ ->sam_account));
}
}
}
diff --git a/source3/smbd/service.c b/source3/smbd/service.c
index 7b0fdc89767..ff69fc4029f 100644
--- a/source3/smbd/service.c
+++ b/source3/smbd/service.c
@@ -724,11 +724,12 @@ static connection_struct *make_connection_snum(int snum, user_struct *vuser,
return NULL;
}
} else {
- if (!user_ok_token(vuser->user.unix_name,
+ if (!user_ok_token(vuser->server_info->unix_name,
vuser->server_info->ptok, snum)) {
DEBUG(2, ("user '%s' (from session setup) not "
"permitted to access this share "
- "(%s)\n", vuser->user.unix_name,
+ "(%s)\n",
+ vuser->server_info->unix_name,
lp_servicename(snum)));
conn_free(conn);
*status = NT_STATUS_ACCESS_DENIED;
@@ -738,8 +739,8 @@ static connection_struct *make_connection_snum(int snum, user_struct *vuser,
conn->vuid = vuser->vuid;
conn->uid = vuser->server_info->uid;
conn->gid = vuser->server_info->gid;
- string_set(&conn->user,vuser->user.unix_name);
- fstrcpy(user,vuser->user.unix_name);
+ string_set(&conn->user,vuser->server_info->unix_name);
+ fstrcpy(user,vuser->server_info->unix_name);
guest = vuser->server_info->guest;
} else if (lp_security() == SEC_SHARE) {
NTSTATUS status2;
diff --git a/source3/smbd/session.c b/source3/smbd/session.c
index 2b964d828f9..5e5a184efaf 100644
--- a/source3/smbd/session.c
+++ b/source3/smbd/session.c
@@ -164,7 +164,7 @@ bool session_claim(user_struct *vuser)
hostname = client_addr(get_client_fd(),addr,sizeof(addr));
}
- fstrcpy(sessionid.username, vuser->user.unix_name);
+ fstrcpy(sessionid.username, vuser->server_info->unix_name);
fstrcpy(sessionid.hostname, hostname);
sessionid.id_num = i; /* Only valid for utmp sessions */
sessionid.pid = pid;
diff --git a/source3/smbd/uid.c b/source3/smbd/uid.c
index 0b87b93636c..3779c3f6088 100644
--- a/source3/smbd/uid.c
+++ b/source3/smbd/uid.c
@@ -97,12 +97,14 @@ static bool check_user_ok(connection_struct *conn, user_struct *vuser,int snum)
}
}
- if (!user_ok_token(vuser->user.unix_name, vuser->server_info->ptok,
+ if (!user_ok_token(vuser->server_info->unix_name,
+ vuser->server_info->ptok,
snum))
return(False);
readonly_share = is_share_read_only_for_token(
- vuser->user.unix_name, vuser->server_info->ptok, SNUM(conn));
+ vuser->server_info->unix_name, vuser->server_info->ptok,
+ SNUM(conn));
token = conn->nt_user_token ?
conn->nt_user_token : vuser->server_info->ptok;
@@ -132,7 +134,7 @@ static bool check_user_ok(connection_struct *conn, user_struct *vuser,int snum)
ent->read_only = readonly_share;
ent->admin_user = token_contains_name_in_list(
- vuser->user.unix_name, NULL, vuser->server_info->ptok,
+ vuser->server_info->unix_name, NULL, vuser->server_info->ptok,
lp_admin_users(SNUM(conn)));
conn->read_only = ent->read_only;
@@ -188,7 +190,8 @@ bool change_to_user(connection_struct *conn, uint16 vuid)
if ((vuser) && !check_user_ok(conn, vuser, snum)) {
DEBUG(2,("change_to_user: SMB user %s (unix user %s, vuid %d) "
"not permitted access to share %s.\n",
- vuser->user.smb_name, vuser->user.unix_name, vuid,
+ vuser->server_info->sanitized_username,
+ vuser->server_info->unix_name, vuid,
lp_servicename(snum)));
return False;
}
generated by cgit (git 2.34.1) at 2024-11-18 17:18:08 +0000