This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-extern struct current_user current_user;
-
-fstring local_machine="";
-fstring remote_arch="UNKNOWN";
userdom_struct current_user_info;
fstring remote_proto="UNKNOWN";
-static fstring remote_machine;
-static fstring smb_user_name;
-
-/**
+/**
* Set the 'local' machine name
* @param local_name the name we are being called
* @param if this is the 'final' name for us, not be be changed again
*/
-void set_local_machine_name(const char* local_name, BOOL perm)
+static char *local_machine;
+
+void free_local_machine_name(void)
{
- static BOOL already_perm = False;
- fstring tmp_local_machine;
+ SAFE_FREE(local_machine);
+}
- fstrcpy(tmp_local_machine,local_name);
+bool set_local_machine_name(const char *local_name, bool perm)
+{
+ static bool already_perm = false;
+ char *tmp_local_machine = NULL;
+ char addr[INET6_ADDRSTRLEN];
+ size_t len;
+
+ tmp_local_machine = SMB_STRDUP(local_name);
+ if (!tmp_local_machine) {
+ return false;
+ }
trim_char(tmp_local_machine,' ',' ');
/*
* Windows NT/2k uses "*SMBSERVER" and XP uses "*SMBSERV"
- * arrggg!!!
+ * arrggg!!!
*/
- if ( strequal(tmp_local_machine, "*SMBSERVER") || strequal(tmp_local_machine, "*SMBSERV") ) {
- fstrcpy( local_machine, client_socket_addr() );
- return;
+ if (strequal(tmp_local_machine, "*SMBSERVER") ||
+ strequal(tmp_local_machine, "*SMBSERV") ) {
+ SAFE_FREE(local_machine);
+ local_machine = SMB_STRDUP(client_socket_addr(get_client_fd(),
+ addr, sizeof(addr)) );
+ SAFE_FREE(tmp_local_machine);
+ return local_machine ? true : false;
}
- if (already_perm)
- return;
+ if (already_perm) {
+ return true;
+ }
+
+ SAFE_FREE(local_machine);
+ len = strlen(tmp_local_machine);
+ local_machine = SMB_CALLOC_ARRAY(char, len+1);
+ if (!local_machine) {
+ SAFE_FREE(tmp_local_machine);
+ return false;
+ }
+ /* alpha_strcpy includes the space for the terminating nul. */
+ alpha_strcpy(local_machine,tmp_local_machine,
+ SAFE_NETBIOS_CHARS,len+1);
+ strlower_m(local_machine);
+ SAFE_FREE(tmp_local_machine);
already_perm = perm;
- alpha_strcpy(local_machine,tmp_local_machine,SAFE_NETBIOS_CHARS,sizeof(local_machine)-1);
- strlower_m(local_machine);
+ return true;
+}
+
+const char *get_local_machine_name(void)
+{
+ if (!local_machine || !*local_machine) {
+ return global_myname();
+ }
+
+ return local_machine;
}
-/**
+/**
* Set the 'remote' machine name
* @param remote_name the name our client wants to be called by
* @param if this is the 'final' name for them, not be be changed again
*/
-void set_remote_machine_name(const char* remote_name, BOOL perm)
-{
- static BOOL already_perm = False;
- fstring tmp_remote_machine;
+static char *remote_machine;
- if (already_perm)
- return;
+bool set_remote_machine_name(const char *remote_name, bool perm)
+{
+ static bool already_perm = False;
+ char *tmp_remote_machine;
+ size_t len;
- already_perm = perm;
+ if (already_perm) {
+ return true;
+ }
- fstrcpy(tmp_remote_machine,remote_name);
+ tmp_remote_machine = SMB_STRDUP(remote_name);
+ if (!tmp_remote_machine) {
+ return false;
+ }
trim_char(tmp_remote_machine,' ',' ');
- alpha_strcpy(remote_machine,tmp_remote_machine,SAFE_NETBIOS_CHARS,sizeof(remote_machine)-1);
+
+ SAFE_FREE(remote_machine);
+ len = strlen(tmp_remote_machine);
+ remote_machine = SMB_CALLOC_ARRAY(char, len+1);
+ if (!remote_machine) {
+ SAFE_FREE(tmp_remote_machine);
+ return false;
+ }
+
+ /* alpha_strcpy includes the space for the terminating nul. */
+ alpha_strcpy(remote_machine,tmp_remote_machine,
+ SAFE_NETBIOS_CHARS,len+1);
strlower_m(remote_machine);
-}
+ SAFE_FREE(tmp_remote_machine);
-const char* get_remote_machine_name(void)
-{
- return remote_machine;
+ already_perm = perm;
+
+ return true;
}
-const char* get_local_machine_name(void)
+const char *get_remote_machine_name(void)
{
- if (!*local_machine) {
- return global_myname();
- }
-
- return local_machine;
+ return remote_machine ? remote_machine : "";
}
/*******************************************************************
Setup the string used by %U substitution.
********************************************************************/
+static char *smb_user_name;
+
void sub_set_smb_name(const char *name)
{
- fstring tmp;
- int len;
- BOOL is_machine_account = False;
+ char *tmp;
+ size_t len;
+ bool is_machine_account = false;
/* don't let anonymous logins override the name */
- if (! *name)
+ if (!name || !*name) {
return;
+ }
+ tmp = SMB_STRDUP(name);
+ if (!tmp) {
+ return;
+ }
+ trim_char(tmp, ' ', ' ');
+ strlower_m(tmp);
- fstrcpy( tmp, name );
- trim_char( tmp, ' ', ' ' );
- strlower_m( tmp );
-
- len = strlen( tmp );
+ len = strlen(tmp);
- if ( len == 0 )
+ if (len == 0) {
+ SAFE_FREE(tmp);
return;
+ }
/* long story but here goes....we have to allow usernames
ending in '$' as they are valid machine account names.
So check for a machine account and re-add the '$'
at the end after the call to alpha_strcpy(). --jerry */
-
- if ( tmp[len-1] == '$' )
+
+ if (tmp[len-1] == '$') {
is_machine_account = True;
-
- alpha_strcpy( smb_user_name, tmp, SAFE_NETBIOS_CHARS, sizeof(smb_user_name)-1 );
+ }
+
+ SAFE_FREE(smb_user_name);
+ smb_user_name = SMB_CALLOC_ARRAY(char, len+1);
+ if (!smb_user_name) {
+ SAFE_FREE(tmp);
+ return;
+ }
+
+ /* alpha_strcpy includes the space for the terminating nul. */
+ alpha_strcpy(smb_user_name, tmp,
+ SAFE_NETBIOS_CHARS,
+ len+1);
- if ( is_machine_account ) {
- len = strlen( smb_user_name );
+ SAFE_FREE(tmp);
+
+ if (is_machine_account) {
+ len = strlen(smb_user_name);
smb_user_name[len-1] = '$';
}
}
-char* sub_get_smb_name( void )
+static const char *get_smb_user_name(void)
{
- return smb_user_name;
+ return smb_user_name ? smb_user_name : "";
}
/*******************************************************************
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 *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.domain, domain);
+
/* The following is safe as current_user_info.smb_name
- * has already been sanitised in register_vuid. */
- fstrcpy(smb_user_name, current_user_info.smb_name);
+ * has already been sanitised in register_existing_vuid. */
+
+ sub_set_smb_name(current_user_info.smb_name);
}
/*******************************************************************
- return the current active user name
+ Return the current active user name.
*******************************************************************/
-const char* get_current_username( void )
+const char *get_current_username(void)
{
- if ( current_user_info.smb_name[0] == '\0' )
- return smb_user_name;
+ if (current_user_info.smb_name[0] == '\0' ) {
+ return get_smb_user_name();
+ }
- return current_user_info.smb_name;
+ return current_user_info.smb_name;
}
/*******************************************************************
static char *longvar_domainsid( void )
{
DOM_SID sid;
+ fstring tmp;
char *sid_string;
if ( !secrets_fetch_domain_sid( lp_workgroup(), &sid ) ) {
return NULL;
}
- sid_string = SMB_STRDUP( sid_string_static( &sid ) );
+ sid_string = SMB_STRDUP( sid_to_fstring( tmp, &sid ) );
if ( !sid_string ) {
DEBUG(0,("longvar_domainsid: failed to dup SID string!\n"));
char* (*fn)( void );
};
-struct api_longvar longvar_table[] = {
+static struct api_longvar longvar_table[] = {
{ "DomainSID", longvar_domainsid },
{ NULL, NULL }
};
varname[copylen] = '\0';
r = realloc_string_sub(str, varname, value);
SAFE_FREE( value );
-
+
/* skip over the %(varname) */
-
+
return r;
}
Added this to implement %p (NIS auto-map version of %H)
*******************************************************************/
-static char *automount_path(const char *user_name)
+static const char *automount_path(const char *user_name)
{
- static pstring server_path;
+ TALLOC_CTX *ctx = talloc_tos();
+ const char *server_path;
/* use the passwd entry as the default */
/* this will be the default if WITH_AUTOMOUNT is not used or fails */
- pstrcpy(server_path, get_user_home_dir(user_name));
+ server_path = talloc_strdup(ctx, get_user_home_dir(ctx, user_name));
+ if (!server_path) {
+ return "";
+ }
#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
if (lp_nis_home_map()) {
const char *home_path_start;
- const char *automount_value = automount_lookup(user_name);
+ char *automount_value = automount_lookup(ctx, user_name);
- if(strlen(automount_value) > 0) {
+ if(automount_value && strlen(automount_value) > 0) {
home_path_start = strchr_m(automount_value,':');
if (home_path_start != NULL) {
- DEBUG(5, ("NIS lookup succeeded. Home path is: %s\n",
- home_path_start?(home_path_start+1):""));
- pstrcpy(server_path, home_path_start+1);
+ DEBUG(5, ("NIS lookup succeeded. "
+ "Home path is: %s\n",
+ home_path_start ?
+ (home_path_start+1):""));
+ server_path = talloc_strdup(ctx,
+ home_path_start+1);
+ if (!server_path) {
+ server_path = "";
+ }
}
} else {
- /* NIS key lookup failed: default to user home directory from password file */
- DEBUG(5, ("NIS lookup failed. Using Home path from passwd file. Home path is: %s\n", server_path ));
+ /* NIS key lookup failed: default to
+ * user home directory from password file */
+ DEBUG(5, ("NIS lookup failed. Using Home path from "
+ "passwd file. Home path is: %s\n", server_path ));
}
}
#endif
DEBUG(4,("Home server path: %s\n", server_path));
-
return server_path;
}
static const char *automount_server(const char *user_name)
{
- static pstring server_name;
- const char *local_machine_name = get_local_machine_name();
+ TALLOC_CTX *ctx = talloc_tos();
+ const char *server_name;
+ const char *local_machine_name = get_local_machine_name();
/* use the local machine name as the default */
/* this will be the default if WITH_AUTOMOUNT is not used or fails */
- if (local_machine_name && *local_machine_name)
- pstrcpy(server_name, local_machine_name);
- else
- pstrcpy(server_name, global_myname());
-
-#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
+ if (local_machine_name && *local_machine_name) {
+ server_name = talloc_strdup(ctx, local_machine_name);
+ } else {
+ server_name = talloc_strdup(ctx, global_myname());
+ }
+ if (!server_name) {
+ return "";
+ }
+
+#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
if (lp_nis_home_map()) {
- int home_server_len;
- char *automount_value = automount_lookup(user_name);
- home_server_len = strcspn(automount_value,":");
- DEBUG(5, ("NIS lookup succeeded. Home server length: %d\n",home_server_len));
- if (home_server_len > sizeof(pstring))
- home_server_len = sizeof(pstring);
- strncpy(server_name, automount_value, home_server_len);
- server_name[home_server_len] = '\0';
+ char *p;
+ char *srv;
+ char *automount_value = automount_lookup(ctx, user_name);
+ if (!automount_value) {
+ return "";
+ }
+ srv = talloc_strdup(ctx, automount_value);
+ if (!srv) {
+ return "";
+ }
+ p = strchr_m(srv, ':');
+ if (!p) {
+ return "";
+ }
+ *p = '\0';
+ server_name = srv;
+ DEBUG(5, ("NIS lookup succeeded. Home server %s\n",
+ server_name));
}
#endif
DEBUG(4,("Home server: %s\n", server_name));
-
return server_name;
}
const char *str)
{
char *b, *p, *s, *r, *a_string;
- fstring pidstr;
- struct passwd *pass;
+ fstring pidstr, vnnstr;
+ char addr[INET6_ADDRSTRLEN];
const char *local_machine_name = get_local_machine_name();
+ TALLOC_CTX *tmp_ctx = NULL;
/* workaround to prevent a crash while looking at bug #687 */
DEBUG(0, ("alloc_sub_basic: Out of memory!\n"));
return NULL;
}
-
+
+ tmp_ctx = talloc_stackframe();
+
for (b = s = a_string; (p = strchr_m(s, '%')); s = a_string + (p - b)) {
r = NULL;
b = a_string;
-
+
switch (*(p+1)) {
case 'U' :
r = strdup_lower(smb_name);
}
a_string = realloc_string_sub(a_string, "%U", r);
break;
- case 'G' :
+ case 'G' : {
+ struct passwd *pass;
r = SMB_STRDUP(smb_name);
if (r == NULL) {
goto error;
}
- if ((pass = Get_Pwnam(r))!=NULL) {
- a_string = realloc_string_sub(a_string, "%G", gidtoname(pass->pw_gid));
- }
+ pass = Get_Pwnam_alloc(tmp_ctx, r);
+ if (pass != NULL) {
+ a_string = realloc_string_sub(
+ a_string, "%G",
+ gidtoname(pass->pw_gid));
+ }
+ TALLOC_FREE(pass);
break;
+ }
case 'D' :
r = strdup_upper(domain_name);
if (r == NULL) {
}
a_string = realloc_string_sub(a_string, "%D", r);
break;
- case 'I' :
- a_string = realloc_string_sub(a_string, "%I", client_addr());
+ case 'I' : {
+ int offset = 0;
+ client_addr(get_client_fd(), addr, sizeof(addr));
+ if (strnequal(addr,"::ffff:",7)) {
+ offset = 7;
+ }
+ a_string = realloc_string_sub(a_string, "%I",
+ addr + offset);
break;
+ }
case 'i':
- a_string = realloc_string_sub( a_string, "%i", client_socket_addr() );
+ a_string = realloc_string_sub( a_string, "%i",
+ client_socket_addr(get_client_fd(), addr, sizeof(addr)) );
break;
case 'L' :
if ( StrnCaseCmp(p, "%LOGONSERVER%", strlen("%LOGONSERVER%")) == 0 ) {
a_string = realloc_string_sub(a_string, "%N", automount_server(smb_name));
break;
case 'M' :
- a_string = realloc_string_sub(a_string, "%M", client_name());
+ a_string = realloc_string_sub(a_string, "%M", client_name(get_client_fd()));
break;
case 'R' :
a_string = realloc_string_sub(a_string, "%R", remote_proto);
break;
case 'T' :
- a_string = realloc_string_sub(a_string, "%T", current_timestring(False));
+ a_string = realloc_string_sub(a_string, "%T", current_timestring(tmp_ctx, False));
break;
case 'a' :
- a_string = realloc_string_sub(a_string, "%a", remote_arch);
+ a_string = realloc_string_sub(a_string, "%a",
+ get_remote_arch_str());
break;
case 'd' :
slprintf(pidstr,sizeof(pidstr)-1, "%d",(int)sys_getpid());
a_string = realloc_string_sub(a_string, "%h", myhostname());
break;
case 'm' :
- a_string = realloc_string_sub(a_string, "%m", remote_machine);
+ a_string = realloc_string_sub(a_string, "%m",
+ remote_machine
+ ? remote_machine
+ : "");
break;
case 'v' :
- a_string = realloc_string_sub(a_string, "%v", SAMBA_VERSION_STRING);
+ a_string = realloc_string_sub(a_string, "%v", samba_version_string());
break;
case 'w' :
a_string = realloc_string_sub(a_string, "%w", lp_winbind_separator());
case '(':
a_string = realloc_expand_longvar( a_string, p );
break;
+ case 'V' :
+ slprintf(vnnstr,sizeof(vnnstr)-1, "%u", get_my_vnn());
+ a_string = realloc_string_sub(a_string, "%V", vnnstr);
+ break;
default:
break;
}
p++;
SAFE_FREE(r);
-
- if ( !a_string ) {
- return NULL;
+
+ if (a_string == NULL) {
+ goto done;
}
}
- return a_string;
+ goto done;
error:
SAFE_FREE(a_string);
- return NULL;
+
+done:
+ TALLOC_FREE(tmp_ctx);
+ return a_string;
}
/****************************************************************************
/****************************************************************************
****************************************************************************/
-char *alloc_sub_advanced(const char *servicename, const char *user,
+static char *alloc_sub_advanced(const char *servicename, const char *user,
const char *connectpath, gid_t gid,
const char *smb_name, const char *domain_name,
const char *str)
{
char *a_string, *ret_string;
- char *b, *p, *s, *h;
+ char *b, *p, *s;
a_string = SMB_STRDUP(str);
if (a_string == NULL) {
case 'N' :
a_string = realloc_string_sub(a_string, "%N", automount_server(user));
break;
- case 'H':
- if ((h = get_user_home_dir(user)))
+ case 'H': {
+ char *h;
+ if ((h = get_user_home_dir(talloc_tos(), user)))
a_string = realloc_string_sub(a_string, "%H", h);
+ TALLOC_FREE(h);
break;
+ }
case 'P':
a_string = realloc_string_sub(a_string, "%P", connectpath);
break;
return ret_string;
}
-void standard_sub_advanced(const char *servicename, const char *user,
- const char *connectpath, gid_t gid,
+/*
+ * This obviously is inefficient and needs to be merged into
+ * alloc_sub_advanced...
+ */
+
+char *talloc_sub_advanced(TALLOC_CTX *mem_ctx,
+ const char *servicename, const char *user,
+ const char *connectpath, gid_t gid,
+ const char *smb_name, const char *domain_name,
+ const char *str)
+{
+ char *a, *t;
+
+ if (!(a = alloc_sub_advanced(servicename, user, connectpath, gid,
+ smb_name, domain_name, str))) {
+ return NULL;
+ }
+ t = talloc_strdup(mem_ctx, a);
+ SAFE_FREE(a);
+ return t;
+}
+
+
+void standard_sub_advanced(const char *servicename, const char *user,
+ const char *connectpath, gid_t gid,
const char *smb_name, const char *domain_name,
char *str, size_t len)
{
char *s;
-
+
s = alloc_sub_advanced(servicename, user, connectpath,
gid, smb_name, domain_name, str);
SAFE_FREE( s );
}
}
+
+/****************************************************************************
+ Do some standard substitutions in a string.
+****************************************************************************/
+
+char *standard_sub_conn(TALLOC_CTX *ctx, connection_struct *conn, const char *str)
+{
+ return talloc_sub_advanced(ctx,
+ lp_servicename(SNUM(conn)),
+ conn->server_info->unix_name,
+ conn->connectpath,
+ conn->server_info->utok.gid,
+ get_smb_user_name(),
+ "",
+ str);
+}
git.samba.org / samba.git / blobdiff