*/
#include "includes.h"
+#include "system/filesys.h"
+#include "../lib/tsocket/tsocket.h"
+#include "smbd/smbd.h"
#include "smbd/globals.h"
#include "../librpc/gen_ndr/netlogon.h"
+#include "../libcli/security/security.h"
+#include "printing/pcap.h"
+#include "passdb/lookup_sid.h"
+#include "auth.h"
extern userdom_struct current_user_info;
static bool canonicalize_connect_path(connection_struct *conn)
{
-#ifdef REALPATH_TAKES_NULL
bool ret;
- char *resolved_name = SMB_VFS_REALPATH(conn,conn->connectpath,NULL);
+ char *resolved_name = SMB_VFS_REALPATH(conn,conn->connectpath);
if (!resolved_name) {
return false;
}
ret = set_conn_connectpath(conn,resolved_name);
SAFE_FREE(resolved_name);
return ret;
-#else
- char resolved_name_buf[PATH_MAX+1];
- char *resolved_name = SMB_VFS_REALPATH(conn,conn->connectpath,resolved_name_buf);
- if (!resolved_name) {
- return false;
- }
- return set_conn_connectpath(conn,resolved_name);
-#endif /* REALPATH_TAKES_NULL */
}
/****************************************************************************
* @param service is modified (to canonical form??)
**/
-int find_service(fstring service)
+int find_service(TALLOC_CTX *ctx, const char *service_in, char **p_service_out)
{
int iService;
- all_string_sub(service,"\\","/",0);
+ if (!service_in) {
+ return -1;
+ }
+
+ /* First make a copy. */
+ *p_service_out = talloc_strdup(ctx, service_in);
+ if (!*p_service_out) {
+ return -1;
+ }
- iService = lp_servicenumber(service);
+ all_string_sub(*p_service_out,"\\","/",0);
+
+ iService = lp_servicenumber(*p_service_out);
/* now handle the special case of a home directory */
if (iService < 0) {
- char *phome_dir = get_user_home_dir(talloc_tos(), service);
+ char *phome_dir = get_user_home_dir(ctx, *p_service_out);
if(!phome_dir) {
/*
* Try mapping the servicename, it may
* be a Windows to unix mapped user name.
*/
- if(map_username(service))
+ if(map_username(ctx, *p_service_out, p_service_out)) {
+ if (*p_service_out == NULL) {
+ /* Out of memory. */
+ return -1;
+ }
phome_dir = get_user_home_dir(
- talloc_tos(), service);
+ ctx, *p_service_out);
+ }
}
- DEBUG(3,("checking for home directory %s gave %s\n",service,
+ DEBUG(3,("checking for home directory %s gave %s\n",*p_service_out,
phome_dir?phome_dir:"(NULL)"));
- iService = add_home_service(service,service /* 'username' */, phome_dir);
+ iService = add_home_service(*p_service_out,*p_service_out /* 'username' */, phome_dir);
}
/* If we still don't have a service, attempt to add it as a printer. */
iPrinterService = load_registry_service(PRINTERS_NAME);
}
if (iPrinterService >= 0) {
- DEBUG(3,("checking whether %s is a valid printer name...\n", service));
- if (pcap_printername_ok(service)) {
- DEBUG(3,("%s is a valid printer name\n", service));
- DEBUG(3,("adding %s as a printer service\n", service));
- lp_add_printer(service, iPrinterService);
- iService = lp_servicenumber(service);
+ DEBUG(3,("checking whether %s is a valid printer name...\n",
+ *p_service_out));
+ if (pcap_printername_ok(*p_service_out)) {
+ DEBUG(3,("%s is a valid printer name\n",
+ *p_service_out));
+ DEBUG(3,("adding %s as a printer service\n",
+ *p_service_out));
+ lp_add_printer(*p_service_out, iPrinterService);
+ iService = lp_servicenumber(*p_service_out);
if (iService < 0) {
- DEBUG(0,("failed to add %s as a printer service!\n", service));
+ DEBUG(0,("failed to add %s as a printer service!\n",
+ *p_service_out));
}
} else {
- DEBUG(3,("%s is not a valid printer name\n", service));
+ DEBUG(3,("%s is not a valid printer name\n",
+ *p_service_out));
}
}
}
}
if (iService < 0) {
- iService = load_registry_service(service);
+ iService = load_registry_service(*p_service_out);
}
/* Is it a usershare service ? */
if (iService < 0 && *lp_usershare_path()) {
/* Ensure the name is canonicalized. */
- strlower_m(service);
- iService = load_usershare_service(service);
+ strlower_m(*p_service_out);
+ iService = load_usershare_service(*p_service_out);
}
/* just possibly it's a default service? */
if (iService < 0) {
char *pdefservice = lp_defaultservice();
- if (pdefservice && *pdefservice && !strequal(pdefservice,service) && !strstr_m(service,"..")) {
+ if (pdefservice &&
+ *pdefservice &&
+ !strequal(pdefservice, *p_service_out)
+ && !strstr_m(*p_service_out,"..")) {
/*
* We need to do a local copy here as lp_defaultservice()
* returns one of the rotating lp_string buffers that
* could get overwritten by the recursive find_service() call
* below. Fix from Josef Hinteregger <joehtg@joehtg.co.at>.
*/
- char *defservice = SMB_STRDUP(pdefservice);
+ char *defservice = talloc_strdup(ctx, pdefservice);
if (!defservice) {
goto fail;
if (strequal(defservice,HOMES_NAME) ||
strequal(defservice, PRINTERS_NAME) ||
strequal(defservice, "IPC$")) {
- SAFE_FREE(defservice);
+ TALLOC_FREE(defservice);
goto fail;
}
- iService = find_service(defservice);
+ iService = find_service(ctx, defservice, p_service_out);
+ if (!*p_service_out) {
+ TALLOC_FREE(defservice);
+ iService = -1;
+ goto fail;
+ }
if (iService >= 0) {
- all_string_sub(service, "_","/",0);
- iService = lp_add_service(service, iService);
+ all_string_sub(*p_service_out, "_","/",0);
+ iService = lp_add_service(*p_service_out, iService);
}
- SAFE_FREE(defservice);
+ TALLOC_FREE(defservice);
}
}
if (iService >= 0) {
if (!VALID_SNUM(iService)) {
- DEBUG(0,("Invalid snum %d for %s\n",iService, service));
+ DEBUG(0,("Invalid snum %d for %s\n",iService,
+ *p_service_out));
iService = -1;
}
}
fail:
- if (iService < 0)
- DEBUG(3,("find_service() failed to find service %s\n", service));
+ if (iService < 0) {
+ DEBUG(3,("find_service() failed to find service %s\n",
+ *p_service_out));
+ }
return (iService);
}
This function modifies dev, ecode.
****************************************************************************/
-static NTSTATUS share_sanity_checks(int server_sock, int snum, fstring dev)
+static NTSTATUS share_sanity_checks(struct client_address *client_id, int snum,
+ fstring dev)
{
if (!lp_snum_ok(snum) ||
- !check_access(server_sock,
- lp_hostsallow(snum), lp_hostsdeny(snum))) {
+ !allow_access(lp_hostsdeny(snum), lp_hostsallow(snum),
+ client_id->name, client_id->addr)) {
return NT_STATUS_ACCESS_DENIED;
}
Create an auth_serversupplied_info structure for a connection_struct
****************************************************************************/
-static NTSTATUS create_connection_server_info(struct smbd_server_connection *sconn,
+static NTSTATUS create_connection_session_info(struct smbd_server_connection *sconn,
TALLOC_CTX *mem_ctx, int snum,
struct auth_serversupplied_info *vuid_serverinfo,
DATA_BLOB password,
} else {
if (!user_ok_token(vuid_serverinfo->unix_name,
vuid_serverinfo->info3->base.domain.string,
- vuid_serverinfo->ptok, snum)) {
+ vuid_serverinfo->security_token, snum)) {
DEBUG(2, ("user '%s' (from session setup) not "
"permitted to access this share "
"(%s)\n",
return NT_STATUS_WRONG_PASSWORD;
}
- return make_serverinfo_from_username(mem_ctx, user, guest,
- presult);
+ return make_session_info_from_username(mem_ctx, user, guest,
+ presult);
}
DEBUG(0, ("invalid VUID (vuser) but not in security=share\n"));
return NT_STATUS_ACCESS_DENIED;
}
+/****************************************************************************
+ set relavent user and group settings corresponding to force user/group
+ configuration for the given snum.
+****************************************************************************/
+
+NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum)
+{
+ NTSTATUS status;
+
+ if (*lp_force_user(snum)) {
+
+ /*
+ * Replace conn->session_info with a completely faked up one
+ * from the username we are forced into :-)
+ */
+
+ char *fuser;
+ struct auth_serversupplied_info *forced_serverinfo;
+
+ fuser = talloc_string_sub(conn, lp_force_user(snum), "%S",
+ lp_const_servicename(snum));
+ if (fuser == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ status = make_session_info_from_username(
+ conn, fuser, conn->session_info->guest,
+ &forced_serverinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ TALLOC_FREE(conn->session_info);
+ conn->session_info = forced_serverinfo;
+
+ conn->force_user = true;
+ DEBUG(3,("Forced user %s\n", fuser));
+ }
+
+ /*
+ * If force group is true, then override
+ * any groupid stored for the connecting user.
+ */
+
+ if (*lp_force_group(snum)) {
+
+ status = find_forced_group(
+ conn->force_user, snum, conn->session_info->unix_name,
+ &conn->session_info->security_token->sids[1],
+ &conn->session_info->utok.gid);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /*
+ * We need to cache this gid, to use within
+ * change_to_user() separately from the conn->session_info
+ * struct. We only use conn->session_info directly if
+ * "force_user" was set.
+ */
+ conn->force_group_gid = conn->session_info->utok.gid;
+ }
+
+ return NT_STATUS_OK;
+}
/****************************************************************************
Make a connection, given the snum to connect to, and the vuser of the
struct smb_filename *smb_fname_cpath = NULL;
fstring dev;
int ret;
- char *addr;
bool on_err_call_dis_hook = false;
bool claimed_connection = false;
uid_t effuid;
fstrcpy(dev, pdev);
- *pstatus = share_sanity_checks(sconn->sock, snum, dev);
+ *pstatus = share_sanity_checks(&sconn->client_id, snum, dev);
if (NT_STATUS_IS_ERR(*pstatus)) {
goto err_root_exit;
}
conn->params->service = snum;
- status = create_connection_server_info(sconn,
- conn, snum, vuser ? vuser->server_info : NULL, password,
- &conn->server_info);
+ status = create_connection_session_info(sconn,
+ conn, snum, vuser ? vuser->session_info : NULL, password,
+ &conn->session_info);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("create_connection_server_info failed: %s\n",
+ DEBUG(1, ("create_connection_session_info failed: %s\n",
nt_errstr(status)));
*pstatus = status;
goto err_root_exit;
conn->force_user = true;
}
- add_session_user(sconn, conn->server_info->unix_name);
+ add_session_user(sconn, conn->session_info->unix_name);
conn->num_files_open = 0;
conn->lastused = conn->lastused_count = time(NULL);
conn->read_only = lp_readonly(SNUM(conn));
- if (*lp_force_user(snum)) {
-
- /*
- * Replace conn->server_info with a completely faked up one
- * from the username we are forced into :-)
- */
-
- char *fuser;
- struct auth_serversupplied_info *forced_serverinfo;
-
- fuser = talloc_string_sub(conn, lp_force_user(snum), "%S",
- lp_servicename(snum));
- if (fuser == NULL) {
- *pstatus = NT_STATUS_NO_MEMORY;
- goto err_root_exit;
- }
-
- status = make_serverinfo_from_username(
- conn, fuser, conn->server_info->guest,
- &forced_serverinfo);
- if (!NT_STATUS_IS_OK(status)) {
- *pstatus = status;
- goto err_root_exit;
- }
-
- TALLOC_FREE(conn->server_info);
- conn->server_info = forced_serverinfo;
-
- conn->force_user = True;
- DEBUG(3,("Forced user %s\n", fuser));
- }
-
- /*
- * If force group is true, then override
- * any groupid stored for the connecting user.
- */
-
- if (*lp_force_group(snum)) {
-
- status = find_forced_group(
- conn->force_user, snum, conn->server_info->unix_name,
- &conn->server_info->ptok->user_sids[1],
- &conn->server_info->utok.gid);
-
- if (!NT_STATUS_IS_OK(status)) {
- *pstatus = status;
- goto err_root_exit;
- }
-
- /*
- * We need to cache this gid, to use within
- * change_to_user() separately from the conn->server_info
- * struct. We only use conn->server_info directly if
- * "force_user" was set.
- */
- conn->force_group_gid = conn->server_info->utok.gid;
+ status = set_conn_force_user_group(conn, snum);
+ if (!NT_STATUS_IS_OK(status)) {
+ conn_free(conn);
+ *pstatus = status;
+ return NULL;
}
conn->vuid = (vuser != NULL) ? vuser->vuid : UID_FIELD_INVALID;
{
char *s = talloc_sub_advanced(talloc_tos(),
lp_servicename(SNUM(conn)),
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
conn->connectpath,
- conn->server_info->utok.gid,
- conn->server_info->sanitized_username,
- conn->server_info->info3->base.domain.string,
+ conn->session_info->utok.gid,
+ conn->session_info->sanitized_username,
+ conn->session_info->info3->base.domain.string,
lp_pathname(snum));
if (!s) {
*pstatus = NT_STATUS_NO_MEMORY;
{
bool can_write = False;
- can_write = share_access_check(conn->server_info->ptok,
+ can_write = share_access_check(conn->session_info->security_token,
lp_servicename(snum),
FILE_WRITE_DATA);
if (!can_write) {
- if (!share_access_check(conn->server_info->ptok,
+ if (!share_access_check(conn->session_info->security_token,
lp_servicename(snum),
FILE_READ_DATA)) {
/* No access, read or write. */
filesystem operation that we do. */
if (SMB_VFS_CONNECT(conn, lp_servicename(snum),
- conn->server_info->unix_name) < 0) {
+ conn->session_info->unix_name) < 0) {
DEBUG(0,("make_connection: VFS make connection failed!\n"));
*pstatus = NT_STATUS_UNSUCCESSFUL;
goto err_root_exit;
if (*lp_rootpreexec(snum)) {
char *cmd = talloc_sub_advanced(talloc_tos(),
lp_servicename(SNUM(conn)),
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
conn->connectpath,
- conn->server_info->utok.gid,
- conn->server_info->sanitized_username,
- conn->server_info->info3->base.domain.string,
+ conn->session_info->utok.gid,
+ conn->session_info->sanitized_username,
+ conn->session_info->info3->base.domain.string,
lp_rootpreexec(snum));
DEBUG(5,("cmd=%s\n",cmd));
ret = smbrun(cmd,NULL);
if (*lp_preexec(snum)) {
char *cmd = talloc_sub_advanced(talloc_tos(),
lp_servicename(SNUM(conn)),
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
conn->connectpath,
- conn->server_info->utok.gid,
- conn->server_info->sanitized_username,
- conn->server_info->info3->base.domain.string,
+ conn->session_info->utok.gid,
+ conn->session_info->sanitized_username,
+ conn->session_info->info3->base.domain.string,
lp_preexec(snum));
ret = smbrun(cmd,NULL);
TALLOC_FREE(cmd);
dbgtext( "%s", srv_is_signing_active(sconn) ? "signed " : "");
dbgtext( "connect to service %s ", lp_servicename(snum) );
dbgtext( "initially as user %s ",
- conn->server_info->unix_name );
+ conn->session_info->unix_name );
dbgtext( "(uid=%d, gid=%d) ", (int)effuid, (int)effgid );
dbgtext( "(pid %d)\n", (int)sys_getpid() );
}
{
uid_t euid;
user_struct *vuser = NULL;
- fstring service;
+ char *service = NULL;
fstring dev;
int snum = -1;
/* Security = share. Try with
* current_user_info.smb_name as the username. */
if (*current_user_info.smb_name) {
- fstring unix_username;
- fstrcpy(unix_username,
- current_user_info.smb_name);
- map_username(unix_username);
- snum = find_service(unix_username);
- }
+ char *unix_username = NULL;
+ (void)map_username(talloc_tos(),
+ current_user_info.smb_name,
+ &unix_username);
+ snum = find_service(talloc_tos(),
+ unix_username,
+ &unix_username);
+ if (!unix_username) {
+ *status = NT_STATUS_NO_MEMORY;
+ }
+ return NULL;
+ }
if (snum != -1) {
DEBUG(5, ("making a connection to 'homes' "
"service %s based on "
dev, status);
}
- fstrcpy(service, service_in);
+ service = talloc_strdup(talloc_tos(), service_in);
+ if (!service) {
+ *status = NT_STATUS_NO_MEMORY;
+ return NULL;
+ }
strlower_m(service);
- snum = find_service(service);
+ snum = find_service(talloc_tos(), service, &service);
+ if (!service) {
+ *status = NT_STATUS_NO_MEMORY;
+ return NULL;
+ }
if (snum < 0) {
if (strequal(service,"IPC$") ||
change_to_user(conn, vuid)) {
char *cmd = talloc_sub_advanced(talloc_tos(),
lp_servicename(SNUM(conn)),
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
conn->connectpath,
- conn->server_info->utok.gid,
- conn->server_info->sanitized_username,
- conn->server_info->info3->base.domain.string,
+ conn->session_info->utok.gid,
+ conn->session_info->sanitized_username,
+ conn->session_info->info3->base.domain.string,
lp_postexec(SNUM(conn)));
smbrun(cmd,NULL);
TALLOC_FREE(cmd);
if (*lp_rootpostexec(SNUM(conn))) {
char *cmd = talloc_sub_advanced(talloc_tos(),
lp_servicename(SNUM(conn)),
- conn->server_info->unix_name,
+ conn->session_info->unix_name,
conn->connectpath,
- conn->server_info->utok.gid,
- conn->server_info->sanitized_username,
- conn->server_info->info3->base.domain.string,
+ conn->session_info->utok.gid,
+ conn->session_info->sanitized_username,
+ conn->session_info->info3->base.domain.string,
lp_rootpostexec(SNUM(conn)));
smbrun(cmd,NULL);
TALLOC_FREE(cmd);
git.samba.org / metze / samba-autobuild / .git / blobdiff