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-rw-r--r--source3/lib/substitute.c270
-rw-r--r--source3/lib/util.c55
-rw-r--r--source3/nmbd/nmbd_synclists.c4
-rw-r--r--source3/smbd/server.c6
4 files changed, 212 insertions, 123 deletions
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index 7f357e9f67..ce88a78e77 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -23,125 +23,185 @@
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;
+
+bool set_local_machine_name(const char *local_name, bool perm)
{
- static bool already_perm = False;
- fstring tmp_local_machine;
+ static bool already_perm = false;
+ char *tmp_local_machine = NULL;
char addr[INET6_ADDRSTRLEN];
+ size_t len;
- fstrcpy(tmp_local_machine,local_name);
+ 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(get_client_fd(), addr, sizeof(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(local_machine,tmp_local_machine,
+ SAFE_NETBIOS_CHARS,len);
+ 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 char *remote_machine;
+
+bool set_remote_machine_name(const char *remote_name, bool perm)
{
static bool already_perm = False;
- fstring tmp_remote_machine;
-
- if (already_perm)
- return;
+ 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(remote_machine,tmp_remote_machine,
+ SAFE_NETBIOS_CHARS,len);
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(smb_user_name, tmp,
+ SAFE_NETBIOS_CHARS,
+ len);
- 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] = '$';
}
}
+static const char *get_smb_user_name(void)
+{
+ return smb_user_name ? smb_user_name : "";
+}
+
/*******************************************************************
Setup the strings used by substitutions. Called per packet. Ensure
%U name is set correctly also.
@@ -152,19 +212,21 @@ void set_current_user_info(const userdom_struct *pcui)
current_user_info = *pcui;
/* The following is safe as current_user_info.smb_name
* has already been sanitised in register_existing_vuid. */
- fstrcpy(smb_user_name, current_user_info.smb_name);
+
+ 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;
}
/*******************************************************************
@@ -323,9 +385,9 @@ static char *realloc_expand_longvar(char *str, char *p)
varname[copylen] = '\0';
r = realloc_string_sub(str, varname, value);
SAFE_FREE( value );
-
+
/* skip over the %(varname) */
-
+
return r;
}
@@ -334,14 +396,18 @@ static char *realloc_expand_longvar(char *str, char *p)
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)
{
- 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(user_name));
+ if (!server_path) {
+ return "";
+ }
#if (defined(HAVE_NETGROUP) && defined (WITH_AUTOMOUNT))
@@ -352,20 +418,27 @@ static char *automount_path(const char *user_name)
if(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);
}
} 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
+ if (!server_path) {
+ server_path = "";
+ }
DEBUG(4,("Home server path: %s\n", server_path));
-
- return talloc_strdup(talloc_tos(), server_path);
+ return server_path;
}
/*******************************************************************
@@ -376,33 +449,47 @@ static char *automount_path(const char *user_name)
static const char *automount_server(const char *user_name)
{
- 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 *p;
+ char *srv;
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';
+ if (!automount_value) {
+ return "";
+ }
+ srv = talloc_strdup(ctx, automount_value);
+ p = strchr_m(srv, ':');
+ if (!p) {
+ return "";
+ }
+ *p = '\0';
+ server_name = srv;
+ DEBUG(5, ("NIS lookup succeeded. Home server %s\n",
+ server_name));
}
#endif
+ if (!server_name) {
+ server_name = "";
+ }
DEBUG(4,("Home server: %s\n", server_name));
-
- return talloc_strdup(talloc_tos(), server_name);
+ return server_name;
}
/****************************************************************************
@@ -527,7 +614,8 @@ char *alloc_sub_basic(const char *smb_name, const char *domain_name,
a_string = realloc_string_sub(a_string, "%T", current_timestring(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());
@@ -782,7 +870,7 @@ void standard_sub_conn(connection_struct *conn, char *str, size_t len)
char *s;
s = alloc_sub_advanced(lp_servicename(SNUM(conn)), conn->user, conn->connectpath,
- conn->gid, smb_user_name, "", str);
+ conn->gid, get_smb_user_name(), "", str);
if ( s ) {
strncpy( str, s, len );
diff --git a/source3/lib/util.c b/source3/lib/util.c
index 7f0ec0b132..4bb6f57d52 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -2,7 +2,7 @@
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
- Copyright (C) Jeremy Allison 2001-2002
+ Copyright (C) Jeremy Allison 2001-2007
Copyright (C) Simo Sorce 2001
Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
Copyright (C) James Peach 2006
@@ -23,10 +23,8 @@
#include "includes.h"
-extern fstring local_machine;
extern char *global_clobber_region_function;
extern unsigned int global_clobber_region_line;
-extern fstring remote_arch;
/* Max allowable allococation - 256mb - 0x10000000 */
#define MAX_ALLOC_SIZE (1024*1024*256)
@@ -259,7 +257,6 @@ bool set_netbios_aliases(const char **str_array)
bool init_names(void)
{
- char *p;
int n;
if (global_myname() == NULL || *global_myname() == '\0') {
@@ -272,18 +269,15 @@ bool init_names(void)
if (!set_netbios_aliases(lp_netbios_aliases())) {
DEBUG( 0, ( "init_structs: malloc fail.\n" ) );
return False;
- }
+ }
- fstrcpy( local_machine, global_myname() );
- trim_char( local_machine, ' ', ' ' );
- p = strchr( local_machine, ' ' );
- if (p)
- *p = 0;
- strlower_m( local_machine );
+ set_local_machine_name(global_myname(),false);
DEBUG( 5, ("Netbios name list:-\n") );
- for( n=0; my_netbios_names(n); n++ )
- DEBUGADD( 5, ( "my_netbios_names[%d]=\"%s\"\n", n, my_netbios_names(n) ) );
+ for( n=0; my_netbios_names(n); n++ ) {
+ DEBUGADD( 5, ("my_netbios_names[%d]=\"%s\"\n",
+ n, my_netbios_names(n) ) );
+ }
return( True );
}
@@ -1988,6 +1982,16 @@ void ra_lanman_string( const char *native_lanman )
set_remote_arch( RA_WIN2K3 );
}
+static const char *remote_arch_str;
+
+const char *get_remote_arch_str(void)
+{
+ if (!remote_arch_str) {
+ return "UNKNOWN";
+ }
+ return remote_arch_str;
+}
+
/*******************************************************************
Set the horrid remote_arch string based on an enum.
********************************************************************/
@@ -1997,42 +2001,43 @@ void set_remote_arch(enum remote_arch_types type)
ra_type = type;
switch( type ) {
case RA_WFWG:
- fstrcpy(remote_arch, "WfWg");
+ remote_arch_str = "WfWg";
break;
case RA_OS2:
- fstrcpy(remote_arch, "OS2");
+ remote_arch_str = "OS2";
break;
case RA_WIN95:
- fstrcpy(remote_arch, "Win95");
+ remote_arch_str = "Win95";
break;
case RA_WINNT:
- fstrcpy(remote_arch, "WinNT");
+ remote_arch_str = "WinNT";
break;
case RA_WIN2K:
- fstrcpy(remote_arch, "Win2K");
+ remote_arch_str = "Win2K";
break;
case RA_WINXP:
- fstrcpy(remote_arch, "WinXP");
+ remote_arch_str = "WinXP";
break;
case RA_WIN2K3:
- fstrcpy(remote_arch, "Win2K3");
+ remote_arch_str = "Win2K3";
break;
case RA_VISTA:
- fstrcpy(remote_arch, "Vista");
+ remote_arch_str = "Vista";
break;
case RA_SAMBA:
- fstrcpy(remote_arch,"Samba");
+ remote_arch_str = "Samba";
break;
case RA_CIFSFS:
- fstrcpy(remote_arch,"CIFSFS");
+ remote_arch_str = "CIFSFS";
break;
default:
ra_type = RA_UNKNOWN;
- fstrcpy(remote_arch, "UNKNOWN");
+ remote_arch_str = "UNKNOWN";
break;
}
- DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n", remote_arch));
+ DEBUG(10,("set_remote_arch: Client arch is \'%s\'\n",
+ remote_arch_str));
}
/*******************************************************************
diff --git a/source3/nmbd/nmbd_synclists.c b/source3/nmbd/nmbd_synclists.c
index aaa56f9216..300368cd60 100644
--- a/source3/nmbd/nmbd_synclists.c
+++ b/source3/nmbd/nmbd_synclists.c
@@ -28,8 +28,6 @@
#include "includes.h"
-extern fstring local_machine;
-
struct sync_record {
struct sync_record *next, *prev;
unstring workgroup;
@@ -92,7 +90,7 @@ static void sync_child(char *name, int nm_type,
return;
}
- make_nmb_name(&calling, local_machine, 0x0);
+ make_nmb_name(&calling, get_local_machine_name(), 0x0);
make_nmb_name(&called , name, nm_type);
if (!cli_session_request(cli, &calling, &called)) {
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 547e9c6e81..e89a94599e 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -379,8 +379,7 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
/* ready to listen */
set_socket_options(s,"SO_KEEPALIVE");
- set_socket_options(smbd_server_fd(),
- lp_socket_options());
+ set_socket_options(s,lp_socket_options());
/* Set server socket to
* non-blocking for the accept. */
@@ -446,8 +445,7 @@ static bool open_sockets_smbd(bool is_daemon, bool interactive, const char *smb_
/* ready to listen */
set_socket_options(s,"SO_KEEPALIVE");
- set_socket_options(smbd_server_fd(),
- lp_socket_options());
+ set_socket_options(s,lp_socket_options());
/* Set server socket to non-blocking
* for the accept. */
generated by cgit (git 2.34.1) at 2024-12-25 02:18:08 +0000