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|
/* UNIX SMBlib NetBIOS implementation
Version 1.0
SMB API Calls ...
Copyright (C) Richard Sharpe 1996
*/
/*
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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.
*/
#include "smblib-priv.h"
#include "../rfcnb/rfcnb.h"
SMB_Tree_Handle SMBapi_Tree = NULL;
/* Send an api request to the \\server\IPC$ tree, with a \PIPE\LANMAN api */
/* request to change the user's password */
#define SMB_LMAPI_SLOT "\\PIPE\\LANMAN"
#define SMB_LMAPI_SUPW_DESC "zb16b16WW"
int SMBapi_NetUserPasswordSet(SMB_Tree_Handle tree, char *user,
char *oldpass, char *newpass, int *apiStatus)
{ struct RFCNB_Pkt *pkt;
int param_len, i, pkt_len, pad_api_name = FALSE;
char *p;
/* Get a packet, we need one with space for a transact plus. The calc */
/* below lays it all out as it is, including the empty string after the */
/* descriptor and before the username */
param_len = 2 + strlen(SMB_LMAPI_SUPW_DESC) + 1 +
1 /* for empty string :-) */ + strlen(user) +
1 + 16 + 16 + 2 + 2;
/* We have no setup words, wo we don't account for them */
pkt_len = SMB_trans_len + 2 /* for bcc */ + strlen(SMB_LMAPI_SLOT) + 1;
/* Pad things onto a word boundary ... */
if (pkt_len & 0x0001) {
pkt_len = pkt_len + 1;
pad_api_name = TRUE;
}
pkt_len = pkt_len + param_len;
/* Now allocate space for the packet, build it and send it */
pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len);
if (pkt == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return(SMBlibE_BAD); /* Should handle the error */
}
bzero(SMB_Hdr(pkt), SMB_trans_len);
SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in IDF */
*(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBtrans;
SSVAL(SMB_Hdr(pkt), SMB_hdr_pid_offset, tree -> con -> pid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_tid_offset, tree -> tid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_mid_offset, tree -> con -> mid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset, tree -> con -> uid);
*(SMB_Hdr(pkt) + SMB_hdr_wct_offset) = 14;
SSVAL(SMB_Hdr(pkt), SMB_trans_tpc_offset, param_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_tdc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_mpc_offset, 4);
SSVAL(SMB_Hdr(pkt), SMB_trans_mdc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_msc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_flg_offset, 0);
SIVAL(SMB_Hdr(pkt), SMB_trans_tmo_offset, 5000);
SSVAL(SMB_Hdr(pkt), SMB_trans_pbc_offset, param_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_pbo_offset, SMB_trans_len + 2 +
strlen(SMB_LMAPI_SLOT) + 1);
SSVAL(SMB_Hdr(pkt), SMB_trans_dbc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_dbo_offset, 0);
/* Now put in the bcc and the rest of the info ... */
SSVAL(SMB_Hdr(pkt), SMB_trans_len, param_len + strlen(SMB_LMAPI_SLOT) + 1);
p = SMB_Hdr(pkt) + SMB_trans_len + 2; /* Skip the BCC and ect */
strcpy(p, SMB_LMAPI_SLOT);
p = p + strlen(SMB_LMAPI_SLOT) + 1;
if (pad_api_name == TRUE) /* Pad if we need to */
p = p + 1;
/* SSVAL(p, 0, 65000); /* Check the result */
SSVAL(p, 0, SMB_LMapi_UserPasswordSet); /* The api call */
p = p + 2;
strcpy(p, SMB_LMAPI_SUPW_DESC); /* Copy in the param desc */
p = p + strlen(SMB_LMAPI_SUPW_DESC) + 1;
*p = 0; /* Stick in that null string */
p = p + 1;
strcpy(p, user);
p = p + strlen(user) + 1;
strncpy(p, oldpass, 16);
p = p + 16;
strncpy(p, newpass, 16);
p = p + 16;
SSVAL(p, 0, 0); /* Seems to be zero always? */
SSVAL(p, 2, strlen(newpass)); /* Length of new password ...*/
/* Now send the lot and get a response ... */
if (RFCNB_Send(tree -> con -> Trans_Connect, pkt, pkt_len) < 0){
#ifdef DEBUG
fprintf(stderr, "Error sending Trans request\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_SendFailed;
return(SMBlibE_BAD);
}
/* Now get the response ... */
if (RFCNB_Recv(tree -> con -> Trans_Connect, pkt, pkt_len) < 0) {
#ifdef DEBUG
fprintf(stderr, "Error receiving response to Trans request\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_RecvFailed;
return(SMBlibE_BAD);
}
/* Check out the response type ... */
if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) { /* Process error */
#ifdef DEBUG
fprintf(stderr, "SMB_trans 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);
}
/* All ok, pass back the status */
*apiStatus = SVAL(SMB_Hdr(pkt), SVAL(SMB_Hdr(pkt), SMB_transr_pbo_offset));
RFCNB_Free_Pkt(pkt);
return(0);
}
#define SMB_LMAPI_SUI_DESC "zWsTPWW"
#define SMB_LMAPI_SUI_DATA_DESC "B16"
/* Set user info ... specifically, password */
int SMBapi_NetSetUserInfo(SMB_Tree_Handle tree, char *user,
char *newpass, int *apiStatus)
{ struct RFCNB_Pkt *pkt;
int param_len, i, pkt_len, data_len, pad_api_name = FALSE;
int pad_params = FALSE;
char *p;
/* Get a packet, we need one with space for a transact plus. The calc */
/* below lays it all out as it is, including the empty string after the */
/* descriptor and before the username */
param_len = 2 + strlen(SMB_LMAPI_SUI_DESC) + 1 +
+ strlen(SMB_LMAPI_SUI_DATA_DESC) + 1 + strlen(user) +
1 + 2 + 2 + 2 + 2;
data_len = 16;
/* We have no setup words, so we don't account for them */
pkt_len = SMB_trans_len + 2 /* for bcc */ + strlen(SMB_LMAPI_SLOT) + 1;
if (pkt_len & 0x0001) { /* Pad to a WORD boundary */
pad_api_name = TRUE;
}
if (param_len & 0x0001) { /* pad to a WORD boundary */
pad_params = TRUE;
}
pkt_len = pkt_len + param_len + data_len;
if (pad_api_name == TRUE) pkt_len = pkt_len + 1;
if (pad_params == TRUE) pkt_len = pkt_len + 1;
/* Now allocate space for the packet, build it and send it */
pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len);
if (pkt == NULL) {
SMBlib_errno = SMBlibE_NoSpace;
return(SMBlibE_BAD); /* Should handle the error */
}
bzero(SMB_Hdr(pkt), SMB_trans_len);
SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in IDF */
*(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBtrans;
SSVAL(SMB_Hdr(pkt), SMB_hdr_pid_offset, tree -> con -> pid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_tid_offset, tree -> tid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_mid_offset, tree -> con -> mid);
SSVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset, tree -> con -> uid);
*(SMB_Hdr(pkt) + SMB_hdr_wct_offset) = 14;
SSVAL(SMB_Hdr(pkt), SMB_trans_tpc_offset, param_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_tdc_offset, data_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_mpc_offset, 4);
SSVAL(SMB_Hdr(pkt), SMB_trans_mdc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_msc_offset, 0);
SSVAL(SMB_Hdr(pkt), SMB_trans_flg_offset, 0);
SIVAL(SMB_Hdr(pkt), SMB_trans_tmo_offset, 5000);
SSVAL(SMB_Hdr(pkt), SMB_trans_pbc_offset, param_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_pbo_offset, SMB_trans_len + 2 +
strlen(SMB_LMAPI_SLOT) + 1);
SSVAL(SMB_Hdr(pkt), SMB_trans_dbc_offset, data_len);
SSVAL(SMB_Hdr(pkt), SMB_trans_dbo_offset, pkt_len - data_len);
/* Now put in the bcc and the rest of the info ... */
SSVAL(SMB_Hdr(pkt), SMB_trans_len, param_len + strlen(SMB_LMAPI_SLOT) +
1 + data_len);
p = SMB_Hdr(pkt) + SMB_trans_len + 2; /* Skip the BCC and ect */
strcpy(p, SMB_LMAPI_SLOT);
p = p + strlen(SMB_LMAPI_SLOT) + 1;
if (pad_api_name == TRUE) /* Pad to a word boundary */
p = p + 1;
/* SSVAL(p, 0, 65000); /* Check the result */
SSVAL(p, 0, SMB_LMapi_SetUserInfo); /* The api call */
p = p + 2;
strcpy(p, SMB_LMAPI_SUI_DESC); /* Copy in the param desc */
p = p + strlen(SMB_LMAPI_SUI_DESC) + 1;
strcpy(p, SMB_LMAPI_SUI_DATA_DESC); /* Copy in second descriptor */
p = p + strlen(SMB_LMAPI_SUI_DATA_DESC) + 1;
strcpy(p, user);
p = p + strlen(user) + 1;
SSVAL(p, 0, 1); /* Claim that we have a level 1 struct ? */
p = p + 2;
SSVAL(p, 0, 3); /* Set the password */
SSVAL(p, 2, 1); /* Seems to be one ... */
SSVAL(p, 4, strlen(newpass)); /* Length of new password ...*/
/* Now copy the data in ... */
p = p + 6;
if (pad_params == TRUE)
p = p + 1;
strcpy(p, newpass);
/* Now send the lot and get a response ... */
if (RFCNB_Send(tree -> con -> Trans_Connect, pkt, pkt_len) < 0){
#ifdef DEBUG
fprintf(stderr, "Error sending Trans SetUserInfo request\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_SendFailed;
return(SMBlibE_BAD);
}
/* Now get the response ... */
if (RFCNB_Recv(tree -> con -> Trans_Connect, pkt, pkt_len) < 0) {
#ifdef DEBUG
fprintf(stderr, "Error receiving response to Trans SetUserInfo request\n");
#endif
RFCNB_Free_Pkt(pkt);
SMBlib_errno = SMBlibE_RecvFailed;
return(SMBlibE_BAD);
}
/* Check out the response type ... */
if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) { /* Process error */
#ifdef DEBUG
fprintf(stderr, "SMB_trans SetUserInfo 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);
}
/* All ok, pass back the status */
*apiStatus = SVAL(SMB_Hdr(pkt), SVAL(SMB_Hdr(pkt), SMB_transr_pbo_offset));
RFCNB_Free_Pkt(pkt);
return(0);
}
/* List all the shares available on a server */
int SMBapi_NetShareEnum(SMB_Tree_Handle tree, char *enum_buf, int bufsiz,
int *shares_returned, int *shares_total)
{
}
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