#include <freeradius-devel/ident.h>
RCSID("$Id$")
#include <ctype.h>
#include <string.h>
#include "smblib-priv.h"
#include "rfcnb.h"
#define SMBLIB_ERRNO
#define uchar unsigned char
int SMBlib_errno;
int SMBlib_SMB_Error;
SMB_State_Types SMBlib_State;
int SMB_Init()
{
SMBlib_State = SMB_State_Started;
signal(SIGPIPE, SIG_IGN);
#ifdef SMBLIB_INSTRUMENT
SMBlib_Instrument_Init();
#endif
return 0;
}
int SMB_Term()
{
#ifdef SMBLIB_INSTRUMENT
SMBlib_Instrument_Term();
#endif
return 0;
}
SMB_Handle_Type SMB_Create_Con_Handle()
{
SMBlib_errno = SMBlibE_NotImpl;
return(NULL);
}
int SMBlib_Set_Sock_NoDelay(SMB_Handle_Type Con_Handle, BOOL yn)
{
if (RFCNB_Set_Sock_NoDelay(Con_Handle -> Trans_Connect, yn) < 0) {
#ifdef DEBUG
#endif
fprintf(stderr, "Setting no-delay on TCP socket failed ...\n");
}
return(0);
}
SMB_Handle_Type SMB_Connect_Server(SMB_Handle_Type Con_Handle,
char *server, char *NTdomain)
{
SMB_Handle_Type con;
char called[80], calling[80], *address;
int i;
con = Con_Handle;
if (Con_Handle == NULL) {
if ((con = (struct SMB_Connect_Def *)malloc(sizeof(struct SMB_Connect_Def))) == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return NULL;
}
}
strcpy(con -> service, "");
strcpy(con -> username, "");
strcpy(con -> password, "");
strcpy(con -> sock_options, "");
strcpy(con -> address, "");
strcpy(con -> desthost, server);
strcpy(con -> PDomain, NTdomain);
strcpy(con -> OSName, SMBLIB_DEFAULT_OSNAME);
strcpy(con -> LMType, SMBLIB_DEFAULT_LMTYPE);
con -> first_tree = con -> last_tree = NULL;
SMB_Get_My_Name(con -> myname, sizeof(con -> myname));
con -> port = 0;
con -> pid = getpid();
con -> mid = con -> pid;
con -> uid = 0;
con -> gid = getgid();
for (i=0; i < strlen(server); i++)
called[i] = toupper(server[i]);
called[strlen(server)] = 0;
for (i=0; i < strlen(con -> myname); i++)
calling[i] = toupper(con -> myname[i]);
calling[strlen(con -> myname)] = 0;
if (strcmp(con -> address, "") == 0)
address = con -> desthost;
else
address = con -> address;
con -> Trans_Connect = RFCNB_Call(called,
calling,
address,
con -> port);
if (con -> Trans_Connect == NULL) {
if (Con_Handle == NULL) {
Con_Handle = NULL;
free(con);
}
SMBlib_errno = -SMBlibE_CallFailed;
return NULL;
}
return(con);
}
static const char *SMB_Prots_Restrict[] = {"PC NETWORK PROGRAM 1.0",
NULL};
SMB_Handle_Type SMB_Connect(SMB_Handle_Type Con_Handle,
SMB_Tree_Handle *tree,
char *service,
char *username,
char *password)
{ SMB_Handle_Type con;
char *host, *address;
char temp[80], called[80], calling[80];
int i;
con = Con_Handle;
if (Con_Handle == NULL) {
if ((con = (struct SMB_Connect_Def *)malloc(sizeof(struct SMB_Connect_Def))) == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return NULL;
}
}
strcpy(con -> service, service);
strcpy(con -> username, username);
strcpy(con -> password, password);
strcpy(con -> sock_options, "");
strcpy(con -> address, "");
strcpy(con -> PDomain, SMBLIB_DEFAULT_DOMAIN);
strcpy(con -> OSName, SMBLIB_DEFAULT_OSNAME);
strcpy(con -> LMType, SMBLIB_DEFAULT_LMTYPE);
con -> first_tree = con -> last_tree = NULL;
SMB_Get_My_Name(con -> myname, sizeof(con -> myname));
con -> port = 0;
con -> pid = getpid();
con -> mid = con -> pid;
con -> uid = 0;
con -> gid = getgid();
strcpy(temp, service);
host = strtok(temp, "/\\");
strcpy(con -> desthost, host);
for (i=0; i < strlen(host); i++)
called[i] = toupper(host[i]);
called[strlen(host)] = 0;
for (i=0; i < strlen(con -> myname); i++)
calling[i] = toupper(con -> myname[i]);
calling[strlen(con -> myname)] = 0;
if (strcmp(con -> address, "") == 0)
address = con -> desthost;
else
address = con -> address;
con -> Trans_Connect = RFCNB_Call(called,
calling,
address,
con -> port);
if (con -> Trans_Connect == NULL) {
if (Con_Handle == NULL) {
free(con);
Con_Handle = NULL;
}
SMBlib_errno = -SMBlibE_CallFailed;
return NULL;
}
if (SMB_Negotiate(con, SMB_Prots_Restrict) < 0) {
return NULL;
}
if ((*tree = SMB_TreeConnect(con, NULL, service, password, "A:")) == NULL) {
return NULL;
}
return(con);
}
int SMB_Logon_Server(SMB_Handle_Type Con_Handle, char *UserName,
char *PassWord)
{
struct RFCNB_Pkt *pkt;
int param_len, pkt_len, pass_len;
char *p, pword[256];
if (Con_Handle -> protocol < SMB_P_LanMan1) {
SMBlib_errno = SMBlibE_ProtLow;
return(SMBlibE_BAD);
}
strcpy(pword, PassWord);
if (Con_Handle -> encrypt_passwords)
{
pass_len=24;
SMBencrypt((uchar *) PassWord, (uchar *)Con_Handle -> Encrypt_Key,(uchar *)pword);
}
else
pass_len=strlen(pword);
if (Con_Handle -> protocol < SMB_P_NT1) {
param_len = strlen(UserName) + 1 + pass_len + 1 +
strlen(Con_Handle -> PDomain) + 1 +
strlen(Con_Handle -> OSName) + 1;
pkt_len = SMB_ssetpLM_len + param_len;
pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len);
if (pkt == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return(SMBlibE_BAD);
}
bzero(SMB_Hdr(pkt), SMB_ssetpLM_len);
SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF);
*(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBsesssetupX;
SSVAL(SMB_Hdr(pkt), SMB_hdr_pid_offset, Con_Handle -> pid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_tid_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_hdr_mid_offset, Con_Handle -> mid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset, Con_Handle -> uid);
*(SMB_Hdr(pkt) + SMB_hdr_wct_offset) = 10;
*(SMB_Hdr(pkt) + SMB_hdr_axc_offset) = 0xFF;
SSVAL(SMB_Hdr(pkt), SMB_hdr_axo_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_mbs_offset, SMBLIB_MAX_XMIT);
SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_mmc_offset, 2);
SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_vcn_offset, Con_Handle -> pid);
SIVAL(SMB_Hdr(pkt), SMB_ssetpLM_snk_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_pwl_offset, pass_len + 1);
SIVAL(SMB_Hdr(pkt), SMB_ssetpLM_res_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_bcc_offset, param_len);
p = (char *)(SMB_Hdr(pkt) + SMB_ssetpLM_buf_offset);
memcpy(p, pword, pass_len);
p = p + pass_len + 1;
strcpy(p, UserName);
p = p + strlen(UserName);
*p = 0;
p = p + 1;
strcpy(p, Con_Handle -> PDomain);
p = p + strlen(Con_Handle -> PDomain);
*p = 0;
p = p + 1;
strcpy(p, Con_Handle -> OSName);
p = p + strlen(Con_Handle -> OSName);
*p = 0;
}
else {
param_len = strlen(UserName) + 1 + pass_len +
strlen(Con_Handle -> PDomain) + 1 +
strlen(Con_Handle -> OSName) + 1 +
strlen(Con_Handle -> LMType) + 1;
pkt_len = SMB_ssetpNTLM_len + param_len;
pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len);
if (pkt == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return(-1);
}
bzero(SMB_Hdr(pkt), SMB_ssetpNTLM_len);
SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF);
*(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBsesssetupX;
SSVAL(SMB_Hdr(pkt), SMB_hdr_pid_offset, Con_Handle -> pid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_tid_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_hdr_mid_offset, Con_Handle -> mid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset, Con_Handle -> uid);
*(SMB_Hdr(pkt) + SMB_hdr_wct_offset) = 13;
*(SMB_Hdr(pkt) + SMB_hdr_axc_offset) = 0xFF;
SSVAL(SMB_Hdr(pkt), SMB_hdr_axo_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_mbs_offset, SMBLIB_MAX_XMIT);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_mmc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_vcn_offset, 0);
SIVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_snk_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_cipl_offset, pass_len);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_cspl_offset, 0);
SIVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_res_offset, 0);
SIVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_cap_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_ssetpNTLM_bcc_offset, param_len);
p = (char *)(SMB_Hdr(pkt) + SMB_ssetpNTLM_buf_offset);
memcpy(p, pword, pass_len);
p = p + pass_len;
strcpy(p, UserName);
p = p + strlen(UserName);
*p = 0;
p = p + 1;
strcpy(p, Con_Handle -> PDomain);
p = p + strlen(Con_Handle -> PDomain);
*p = 0;
p = p + 1;
strcpy(p, Con_Handle -> OSName);
p = p + strlen(Con_Handle -> OSName);
*p = 0;
p = p + 1;
strcpy(p, Con_Handle -> LMType);
p = p + strlen(Con_Handle -> LMType);
*p = 0;
}
if (RFCNB_Send(Con_Handle -> Trans_Connect, pkt, pkt_len) < 0){
#ifdef DEBUG
fprintf(stderr, "Error sending SessSetupX request\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_SendFailed;
return(SMBlibE_BAD);
}
if (RFCNB_Recv(Con_Handle -> Trans_Connect, pkt, pkt_len) < 0) {
#ifdef DEBUG
fprintf(stderr, "Error receiving response to SessSetupAndX\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_RecvFailed;
return(SMBlibE_BAD);
}
if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) {
#ifdef DEBUG
fprintf(stderr, "SMB_SessSetupAndX failed with errorclass = %i, Error Code = %i\n",
CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset),
SVAL(SMB_Hdr(pkt), SMB_hdr_err_offset));
#endif
SMBlib_SMB_Error = IVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset);
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_Remote;
return(SMBlibE_BAD);
}
if (SVAL(SMB_Hdr(pkt), SMB_ssetpr_act_offset) & 0x1)
{
return(SMBlibE_BAD);
}
#ifdef DEBUG
fprintf(stderr, "SessSetupAndX response. Action = %i\n",
SVAL(SMB_Hdr(pkt), SMB_ssetpr_act_offset));
#endif
Con_Handle -> uid = SVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset);
RFCNB_Free_Pkt(pkt);
return(0);
}
int SMB_Discon(SMB_Handle_Type Con_Handle, BOOL KeepHandle)
{
RFCNB_Hangup(Con_Handle -> Trans_Connect);
if (!KeepHandle)
free(Con_Handle);
return(0);
}