diff options
Diffstat (limited to 'daemon/smblib/smblib-api.c')
| -rw-r--r-- | daemon/smblib/smblib-api.c | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/daemon/smblib/smblib-api.c b/daemon/smblib/smblib-api.c new file mode 100644 index 0000000..f74e5fd --- /dev/null +++ b/daemon/smblib/smblib-api.c @@ -0,0 +1,379 @@ +/* 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) + +{ + + +} |