From ff76efc3e5e1b0e4ca3b10b7402406f619509bba Mon Sep 17 00:00:00 2001 From: Stef Walter Date: Wed, 21 Apr 2004 17:37:06 +0000 Subject: Initial Import --- daemon/smblib/smblib.c | 549 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 549 insertions(+) create mode 100644 daemon/smblib/smblib.c (limited to 'daemon/smblib/smblib.c') diff --git a/daemon/smblib/smblib.c b/daemon/smblib/smblib.c new file mode 100644 index 0000000..2074420 --- /dev/null +++ b/daemon/smblib/smblib.c @@ -0,0 +1,549 @@ +/* UNIX SMBlib NetBIOS implementation + + Version 1.0 + SMBlib Routines + + 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. +*/ + +int SMBlib_errno; +int SMBlib_SMB_Error; +#define SMBLIB_ERRNO + +#include +#include "smblib-priv.h" + +#include "../rfcnb/rfcnb.h" + +#include + +SMB_State_Types SMBlib_State; + +/* Initialize the SMBlib package */ + +int SMB_Init() + +{ + + SMBlib_State = SMB_State_Started; + + signal(SIGPIPE, SIG_IGN); /* Ignore these ... */ + +/* If SMBLIB_Instrument is defines, turn on the instrumentation stuff */ +#ifdef SMBLIB_INSTRUMENT + + SMBlib_Instrument_Init(); + +#endif + + return 0; + +} + +int SMB_Term() + +{ + +#ifdef SMBLIB_INSTRUMENT + + SMBlib_Instrument_Term(); /* Clean up and print results */ + +#endif + + return 0; + +} + +/* SMB_Create: Create a connection structure and return for later use */ +/* We have other helper routines to set variables */ + +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_Connect_Server: Connect to a server, but don't negotiate protocol */ +/* or anything else ... */ + +SMB_Handle_Type SMB_Connect_Server(SMB_Handle_Type Con_Handle, + char *server) + +{ SMB_Handle_Type con; + char temp[80], called[80], calling[80], *address; + int i; + + /* Get a connection structure if one does not exist */ + + 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; + } + + } + + /* Init some things ... */ + + strcpy(con -> service, ""); + strcpy(con -> username, ""); + strcpy(con -> password, ""); + strcpy(con -> sock_options, ""); + strcpy(con -> address, ""); + strcpy(con -> desthost, server); + 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; /* No port selected */ + + /* Get some things we need for the SMB Header */ + + con -> pid = getpid(); + con -> mid = con -> pid; /* This will do for now ... */ + con -> uid = 0; /* Until we have done a logon, no uid ... */ + con -> gid = getgid(); + + /* Now connect to the remote end, but first upper case the name of the + service we are going to call, sine some servers want it in uppercase */ + + for (i=0; i < strlen(server); i++) + called[i] = toupper(server[i]); + + called[strlen(server)] = 0; /* Make it a string */ + + for (i=0; i < strlen(con -> myname); i++) + calling[i] = toupper(con -> myname[i]); + + calling[strlen(con -> myname)] = 0; /* Make it a string */ + + if (strcmp(con -> address, "") == 0) + address = con -> desthost; + else + address = con -> address; + + con -> Trans_Connect = RFCNB_Call(called, + calling, + address, /* Protocol specific */ + con -> port); + + /* Did we get one? */ + + if (con -> Trans_Connect == NULL) { + + if (Con_Handle == NULL) { + Con_Handle = NULL; + free(con); + } + SMBlib_errno = -SMBlibE_CallFailed; + return NULL; + + } + + return(con); + +} + +/* SMB_Connect: Connect to the indicated server */ +/* If Con_Handle == NULL then create a handle and connect, otherwise */ +/* use the handle passed */ + +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; + + /* Get a connection structure if one does not exist */ + + 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; + } + + } + + /* Init some things ... */ + + 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; /* No port selected */ + + /* Get some things we need for the SMB Header */ + + con -> pid = getpid(); + con -> mid = con -> pid; /* This will do for now ... */ + con -> uid = 0; /* Until we have done a logon, no uid */ + con -> gid = getgid(); + + /* Now figure out the host portion of the service */ + + strcpy(temp, service); + host = strtok(temp, "/\\"); /* Separate host name portion */ + strcpy(con -> desthost, host); + + /* Now connect to the remote end, but first upper case the name of the + service we are going to call, sine some servers want it in uppercase */ + + for (i=0; i < strlen(host); i++) + called[i] = toupper(host[i]); + + called[strlen(host)] = 0; /* Make it a string */ + + for (i=0; i < strlen(con -> myname); i++) + calling[i] = toupper(con -> myname[i]); + + calling[strlen(con -> myname)] = 0; /* Make it a string */ + + if (strcmp(con -> address, "") == 0) + address = con -> desthost; + else + address = con -> address; + + con -> Trans_Connect = RFCNB_Call(called, + calling, + address, /* Protocol specific */ + con -> port); + + /* Did we get one? */ + + if (con -> Trans_Connect == NULL) { + + if (Con_Handle == NULL) { + free(con); + Con_Handle = NULL; + } + SMBlib_errno = -SMBlibE_CallFailed; + return NULL; + + } + + /* Now, negotiate the protocol */ + + if (SMB_Negotiate(con, SMB_Prots_Restrict) < 0) { + + /* Hmmm what should we do here ... We have a connection, but could not + negotiate ... */ + + return NULL; + + } + + /* Now connect to the service ... */ + + if ((*tree = SMB_TreeConnect(con, NULL, service, password, "A:")) == NULL) { + + return NULL; + + } + + return(con); + +} + +/* Logon to the server. That is, do a session setup if we can. We do not do */ +/* Unicode yet! */ + +int SMB_Logon_Server(SMB_Handle_Type Con_Handle, char *UserName, + char *PassWord) + +{ struct RFCNB_Pkt *pkt; + int param_len, i, pkt_len; + char *p; + + /* First we need a packet etc ... but we need to know what protocol has */ + /* been negotiated to figure out if we can do it and what SMB format to */ + /* use ... */ + + if (Con_Handle -> protocol < SMB_P_LanMan1) { + + SMBlib_errno = SMBlibE_ProtLow; + return(SMBlibE_BAD); + + } + + /* Now build the correct structure */ + + if (Con_Handle -> protocol < SMB_P_NT1) { + + /* We don't handle encrypted passwords ... */ + + param_len = strlen(UserName) + 1 + strlen(PassWord) + 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); /* Should handle the error */ + + } + + bzero(SMB_Hdr(pkt), SMB_ssetpLM_len); + SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in 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; /* No extra command */ + 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, strlen(PassWord) + 1); + SIVAL(SMB_Hdr(pkt), SMB_ssetpLM_res_offset, 0); + SSVAL(SMB_Hdr(pkt), SMB_ssetpLM_bcc_offset, param_len); + + /* Now copy the param strings in with the right stuff */ + + p = (char *)(SMB_Hdr(pkt) + SMB_ssetpLM_buf_offset); + + /* Copy in password, then the rest. Password has a null at end */ + + strcpy(p, PassWord); + + p = p + strlen(PassWord) + 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 { + + /* We don't admit to UNICODE support ... */ + + param_len = strlen(UserName) + 1 + strlen(PassWord) + + 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); /* Should handle the error */ + + } + + bzero(SMB_Hdr(pkt), SMB_ssetpNTLM_len); + SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in 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; /* No extra command */ + 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, strlen(PassWord)); + 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); + + /* Now copy the param strings in with the right stuff */ + + p = (char *)(SMB_Hdr(pkt) + SMB_ssetpNTLM_buf_offset); + + /* Copy in password, then the rest. Password has no null at end */ + + strcpy(p, PassWord); + + p = p + strlen(PassWord); + + 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; + + } + + /* Now send it and get a response */ + + 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); + + } + + /* Now get the response ... */ + + 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); + + } + + /* Check out the response type ... */ + + if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) { /* Process error */ + +#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); + + } + +#ifdef DEBUG + fprintf(stderr, "SessSetupAndX response. Action = %i\n", + SVAL(SMB_Hdr(pkt), SMB_ssetpr_act_offset)); +#endif + + /* Now pick up the UID for future reference ... */ + + Con_Handle -> uid = SVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset); + RFCNB_Free_Pkt(pkt); + + return(0); + +} + + +/* Disconnect from the server, and disconnect all tree connects */ + +int SMB_Discon(SMB_Handle_Type Con_Handle, BOOL KeepHandle) + +{ + + /* We just disconnect the connection for now ... */ + + RFCNB_Hangup(Con_Handle -> Trans_Connect); + + if (!KeepHandle) + free(Con_Handle); + + return(0); + +} -- cgit v1.2.3