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-util.c | 783 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 783 insertions(+) create mode 100644 daemon/smblib/smblib-util.c (limited to 'daemon/smblib/smblib-util.c') diff --git a/daemon/smblib/smblib-util.c b/daemon/smblib/smblib-util.c new file mode 100644 index 0000000..c91a46e --- /dev/null +++ b/daemon/smblib/smblib-util.c @@ -0,0 +1,783 @@ +/* UNIX SMBlib NetBIOS implementation + + Version 1.0 + SMBlib Utility 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. +*/ + +#include "smblib-priv.h" + +#include "../rfcnb/rfcnb.h" + +/* Print out an SMB pkt in all its gory detail ... */ + +void SMB_Print_Pkt(FILE fd, RFCNB_Pkt *pkt, BOOL command, int Offset, int Len) + +{ + + /* Well, just how do we do this ... print it I suppose */ + + /* Print out the SMB header ... */ + + /* Print the command */ + + /* Print the other bits in the header */ + + + /* etc */ + +} + +/* Convert a DOS Date_Time to a local host type date time for printing */ + +char *SMB_DOSTimToStr(int DOS_time) + +{ static char SMB_Time_Temp[48]; + int DOS_sec, DOS_min, DOS_hour, DOS_day, DOS_month, DOS_year; + + SMB_Time_Temp[0] = 0; + + DOS_sec = (DOS_time & 0x001F) * 2; + DOS_min = (DOS_time & 0x07E0) >> 5; + DOS_hour = ((DOS_time & 0xF800) >> 11); + + DOS_day = (DOS_time & 0x001F0000) >> 16; + DOS_month = (DOS_time & 0x01E00000) >> 21; + DOS_year = ((DOS_time & 0xFE000000) >> 25) + 80; + + sprintf(SMB_Time_Temp, "%2d/%02d/%2d %2d:%02d:%02d", DOS_day, DOS_month, + DOS_year, DOS_hour, DOS_min, DOS_sec); + + return(SMB_Time_Temp); + +} + +/* Convert an attribute byte/word etc to a string ... We return a pointer + to a static string which we guarantee is long enough. If verbose is + true, we print out long form of strings ... */ + +char *SMB_AtrToStr(int attribs, BOOL verbose) + +{ static char SMB_Attrib_Temp[128]; + + SMB_Attrib_Temp[0] = 0; + + if (attribs & SMB_FA_ROF) + strcat(SMB_Attrib_Temp, (verbose?"Read Only ":"R")); + + if (attribs & SMB_FA_HID) + strcat(SMB_Attrib_Temp, (verbose?"Hidden ":"H")); + + if (attribs & SMB_FA_SYS) + strcat(SMB_Attrib_Temp, (verbose?"System ":"S")); + + if (attribs & SMB_FA_VOL) + strcat(SMB_Attrib_Temp, (verbose?"Volume ":"V")); + + if (attribs & SMB_FA_DIR) + strcat(SMB_Attrib_Temp, (verbose?"Directory ":"D")); + + if (attribs & SMB_FA_ARC) + strcat(SMB_Attrib_Temp, (verbose?"Archive ":"A")); + + return(SMB_Attrib_Temp); + +} + +/* Pick up the Max Buffer Size from the Tree Structure ... */ + +int SMB_Get_Tree_MBS(SMB_Tree_Handle tree) + +{ + if (tree != NULL) { + return(tree -> mbs); + } + else { + return(SMBlibE_BAD); + } +} + +/* Pick up the Max buffer size */ + +int SMB_Get_Max_Buf_Siz(SMB_Handle_Type Con_Handle) + +{ + if (Con_Handle != NULL) { + return(Con_Handle -> max_xmit); + } + else { + return(SMBlibE_BAD); + } + +} +/* Pickup the protocol index from the connection structure */ + +int SMB_Get_Protocol_IDX(SMB_Handle_Type Con_Handle) + +{ + if (Con_Handle != NULL) { + return(Con_Handle -> prot_IDX); + } + else { + return(0xFFFF); /* Invalid protocol */ + } + +} + +/* Pick up the protocol from the connection structure */ + +int SMB_Get_Protocol(SMB_Handle_Type Con_Handle) + +{ + if (Con_Handle != NULL) { + return(Con_Handle -> protocol); + } + else { + return(0xFFFF); /* Invalid protocol */ + } + +} + +/* Figure out what protocol was accepted, given the list of dialect strings */ +/* We offered, and the index back from the server. We allow for a user */ +/* supplied list, and assume that it is a subset of our list */ + +int SMB_Figure_Protocol(char *dialects[], int prot_index) + +{ int i; + + if (dialects == SMB_Prots) { /* The jobs is easy, just index into table */ + + return(SMB_Types[prot_index]); + } + else { /* Search through SMB_Prots looking for a match */ + + for (i = 0; SMB_Prots[i] != NULL; i++) { + + if (strcmp(dialects[prot_index], SMB_Prots[i]) == 0) { /* A match */ + + return(SMB_Types[i]); + + } + + } + + /* If we got here, then we are in trouble, because the protocol was not */ + /* One we understand ... */ + + return(SMB_P_Unknown); + + } + +} + + +/* Negotiate the protocol we will use from the list passed in Prots */ +/* we return the index of the accepted protocol in NegProt, -1 indicates */ +/* none acceptible, and our return value is 0 if ok, <0 if problems */ + +int SMB_Negotiate(SMB_Handle_Type Con_Handle, char *Prots[]) + +{ struct SMB_Neg_Prot_Def *prot_pkt; + struct SMB_Neg_Prot_Resp_Def *resp_pkt; + struct RFCNB_Pkt *pkt; + int prots_len, i, pkt_len, prot, alloc_len; + char *p; + + /* Figure out how long the prot list will be and allocate space for it */ + + prots_len = 0; + + for (i = 0; Prots[i] != NULL; i++) { + + prots_len = prots_len + strlen(Prots[i]) + 2; /* Account for null etc */ + + } + + /* The -1 accounts for the one byte smb_buf we have because some systems */ + /* don't like char msg_buf[] */ + + pkt_len = SMB_negp_len + prots_len; + + /* Make sure that the pkt len is long enough for the max response ... */ + /* Which is a problem, because the encryption key len eec may be long */ + + if (pkt_len < (SMB_hdr_wct_offset + (19 * 2) + 40)) { + + alloc_len = SMB_hdr_wct_offset + (19 * 2) + 40; + + } + else { + + alloc_len = pkt_len; + + } + + pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(alloc_len); + + if (pkt == NULL) { + + SMBlib_errno = SMBlibE_NoSpace; + return(SMBlibE_BAD); + + } + + /* Now plug in the bits we need */ + + bzero(SMB_Hdr(pkt), SMB_negp_len); + SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in IDF */ + *(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBnegprot; + 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) = 0; + + SSVAL(SMB_Hdr(pkt), SMB_negp_bcc_offset, prots_len); + + /* Now copy the prot strings in with the right stuff */ + + p = (char *)(SMB_Hdr(pkt) + SMB_negp_buf_offset); + + for (i = 0; Prots[i] != NULL; i++) { + + *p = SMBdialectID; + strcpy(p + 1, Prots[i]); + p = p + strlen(Prots[i]) + 2; /* Adjust len of p for null plus dialectID */ + + } + + /* Now send the packet and sit back ... */ + + if (RFCNB_Send(Con_Handle -> Trans_Connect, pkt, pkt_len) < 0){ + + +#ifdef DEBUG + fprintf(stderr, "Error sending negotiate protocol\n"); +#endif + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = -SMBlibE_SendFailed; /* Failed, check lower layer errno */ + return(SMBlibE_BAD); + + } + + /* Now get the response ... */ + + if (RFCNB_Recv(Con_Handle -> Trans_Connect, pkt, alloc_len) < 0) { + +#ifdef DEBUG + fprintf(stderr, "Error receiving response to negotiate\n"); +#endif + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = -SMBlibE_RecvFailed; /* Failed, check lower layer errno */ + return(SMBlibE_BAD); + + } + + if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) { /* Process error */ + +#ifdef DEBUG + fprintf(stderr, "SMB_Negotiate 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_negrCP_idx_offset) == 0xFFFF) { + +#ifdef DEBUG + fprintf(stderr, "None of our protocols was accepted ... "); +#endif + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = SMBlibE_NegNoProt; + return(SMBlibE_BAD); + + } + + /* Now, unpack the info from the response, if any and evaluate the proto */ + /* selected. We must make sure it is one we like ... */ + + Con_Handle -> prot_IDX = prot = SVAL(SMB_Hdr(pkt), SMB_negrCP_idx_offset); + Con_Handle -> protocol = SMB_Figure_Protocol(Prots, prot); + + if (Con_Handle -> protocol == SMB_P_Unknown) { /* No good ... */ + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = SMBlibE_ProtUnknown; + return(SMBlibE_BAD); + + } + + switch (CVAL(SMB_Hdr(pkt), SMB_hdr_wct_offset)) { + + case 0x01: /* No more info ... */ + + break; + + case 13: /* Up to and including LanMan 2.1 */ + + Con_Handle -> Security = SVAL(SMB_Hdr(pkt), SMB_negrLM_sec_offset); + Con_Handle -> encrypt_passwords = ((Con_Handle -> Security & SMB_sec_encrypt_mask) != 0x00); + Con_Handle -> Security = Con_Handle -> Security & SMB_sec_user_mask; + + Con_Handle -> max_xmit = SVAL(SMB_Hdr(pkt), SMB_negrLM_mbs_offset); + Con_Handle -> MaxMPX = SVAL(SMB_Hdr(pkt), SMB_negrLM_mmc_offset); + Con_Handle -> MaxVC = SVAL(SMB_Hdr(pkt), SMB_negrLM_mnv_offset); + Con_Handle -> Raw_Support = SVAL(SMB_Hdr(pkt), SMB_negrLM_rm_offset); + Con_Handle -> SessionKey = IVAL(SMB_Hdr(pkt), SMB_negrLM_sk_offset); + Con_Handle -> SvrTZ = SVAL(SMB_Hdr(pkt), SMB_negrLM_stz_offset); + Con_Handle -> Encrypt_Key_Len = SVAL(SMB_Hdr(pkt), SMB_negrLM_ekl_offset); + + p = (SMB_Hdr(pkt) + SMB_negrLM_buf_offset + Con_Handle -> Encrypt_Key_Len); + + strncpy(p, Con_Handle -> Svr_PDom, sizeof(Con_Handle -> Svr_PDom) - 1); + + break; + + case 17: /* NT LM 0.12 and LN LM 1.0 */ + + Con_Handle -> Security = SVAL(SMB_Hdr(pkt), SMB_negrNTLM_sec_offset); + Con_Handle -> encrypt_passwords = ((Con_Handle -> Security & SMB_sec_encrypt_mask) != 0x00); + Con_Handle -> Security = Con_Handle -> Security & SMB_sec_user_mask; + + Con_Handle -> max_xmit = IVAL(SMB_Hdr(pkt), SMB_negrNTLM_mbs_offset); + Con_Handle -> MaxMPX = SVAL(SMB_Hdr(pkt), SMB_negrNTLM_mmc_offset); + Con_Handle -> MaxVC = SVAL(SMB_Hdr(pkt), SMB_negrNTLM_mnv_offset); + Con_Handle -> MaxRaw = IVAL(SMB_Hdr(pkt), SMB_negrNTLM_mrs_offset); + Con_Handle -> SessionKey = IVAL(SMB_Hdr(pkt), SMB_negrNTLM_sk_offset); + Con_Handle -> SvrTZ = SVAL(SMB_Hdr(pkt), SMB_negrNTLM_stz_offset); + Con_Handle -> Encrypt_Key_Len = CVAL(SMB_Hdr(pkt), SMB_negrNTLM_ekl_offset); + + p = (SMB_Hdr(pkt) + SMB_negrLM_buf_offset + Con_Handle -> Encrypt_Key_Len); + + strncpy(p, Con_Handle -> Svr_PDom, sizeof(Con_Handle -> Svr_PDom) - 1); + + break; + + default: + +#ifdef DEBUG + fprintf(stderr, "Unknown NegProt response format ... Ignored\n"); + fprintf(stderr, " wct = %i\n", CVAL(SMB_Hdr(pkt), SMB_hdr_wct_offset)); +#endif + + break; + } + +#ifdef DEBUG + fprintf(stderr, "Protocol selected is: %i:%s\n", prot, Prots[prot]); +#endif + + RFCNB_Free_Pkt(pkt); + return(0); + +} + +/* Get our hostname */ + +void SMB_Get_My_Name(char *name, int len) + +{ int loc; + + if (gethostname(name, len) < 0) { /* Error getting name */ + + strncpy(name, "unknown", len); + + /* Should check the error */ + +#ifdef DEBUG + fprintf(stderr, "gethostname in SMB_Get_My_Name returned error:"); + perror(""); +#endif + + } + + /* only keep the portion up to the first "." */ + + +} + +/* Send a TCON to the remote server ... */ + +SMB_Tree_Handle SMB_TreeConnect(SMB_Handle_Type Con_Handle, + SMB_Tree_Handle Tree_Handle, + char *path, + char *password, + char *device) + +{ struct RFCNB_Pkt *pkt; + int param_len, i, pkt_len; + char *p; + SMB_Tree_Handle tree; + + /* Figure out how much space is needed for path, password, dev ... */ + + if (path == NULL | password == NULL | device == NULL) { + +#ifdef DEBUG + fprintf(stderr, "Bad parameter passed to SMB_TreeConnect\n"); +#endif + + SMBlib_errno = SMBlibE_BadParam; + return(NULL); + + } + + /* The + 2 is because of the \0 and the marker ... */ + + param_len = strlen(path) + 2 + strlen(password) + 2 + strlen(device) + 2; + + /* The -1 accounts for the one byte smb_buf we have because some systems */ + /* don't like char msg_buf[] */ + + pkt_len = SMB_tcon_len + param_len; + + pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len); + + if (pkt == NULL) { + + SMBlib_errno = SMBlibE_NoSpace; + return(NULL); /* Should handle the error */ + + } + + /* Now allocate a tree for this to go into ... */ + + if (Tree_Handle == NULL) { + + tree = (SMB_Tree_Handle)malloc(sizeof(struct SMB_Tree_Structure)); + + if (tree == NULL) { + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = SMBlibE_NoSpace; + return(NULL); + + } + } + else { + + tree = Tree_Handle; + + } + + tree -> next = tree -> prev = NULL; + tree -> con = Con_Handle; + strncpy(tree -> path, path, sizeof(tree -> path)); + strncpy(tree -> device_type, device, sizeof(tree -> device_type)); + + /* Now plug in the values ... */ + + bzero(SMB_Hdr(pkt), SMB_tcon_len); + SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in IDF */ + *(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBtcon; + 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) = 0; + + SSVAL(SMB_Hdr(pkt), SMB_tcon_bcc_offset, param_len); + + /* Now copy the param strings in with the right stuff */ + + p = (char *)(SMB_Hdr(pkt) + SMB_tcon_buf_offset); + *p = SMBasciiID; + strcpy(p + 1, path); + p = p + strlen(path) + 2; + *p = SMBasciiID; + strcpy(p + 1, password); + p = p + strlen(password) + 2; + *p = SMBasciiID; + strcpy(p + 1, device); + + /* Now send the packet and sit back ... */ + + if (RFCNB_Send(Con_Handle -> Trans_Connect, pkt, pkt_len) < 0){ + +#ifdef DEBUG + fprintf(stderr, "Error sending TCon request\n"); +#endif + + if (Tree_Handle == NULL) + free(tree); + RFCNB_Free_Pkt(pkt); + SMBlib_errno = -SMBlibE_SendFailed; + return(NULL); + + } + + /* Now get the response ... */ + + if (RFCNB_Recv(Con_Handle -> Trans_Connect, pkt, pkt_len) < 0) { + +#ifdef DEBUG + fprintf(stderr, "Error receiving response to TCon\n"); +#endif + + if (Tree_Handle == NULL) + free(tree); + RFCNB_Free_Pkt(pkt); + SMBlib_errno = -SMBlibE_RecvFailed; + return(NULL); + + } + + /* Check out the response type ... */ + + if (CVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset) != SMBC_SUCCESS) { /* Process error */ + +#ifdef DEBUG + fprintf(stderr, "SMB_TCon 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 + + if (Tree_Handle == NULL) + free(tree); + SMBlib_SMB_Error = IVAL(SMB_Hdr(pkt), SMB_hdr_rcls_offset); + RFCNB_Free_Pkt(pkt); + SMBlib_errno = SMBlibE_Remote; + return(NULL); + + } + + tree -> tid = SVAL(SMB_Hdr(pkt), SMB_tconr_tid_offset); + tree -> mbs = SVAL(SMB_Hdr(pkt), SMB_tconr_mbs_offset); + +#ifdef DEBUG + fprintf(stderr, "TConn succeeded, with TID=%i, Max Xmit=%i\n", + tree -> tid, tree -> mbs); +#endif + + /* Now link the Tree to the Server Structure ... */ + + if (Con_Handle -> first_tree == NULL) { + + Con_Handle -> first_tree == tree; + Con_Handle -> last_tree == tree; + + } + else { + + Con_Handle -> last_tree -> next = tree; + tree -> prev = Con_Handle -> last_tree; + Con_Handle -> last_tree = tree; + + } + + RFCNB_Free_Pkt(pkt); + return(tree); + +} + +int SMB_TreeDisconnect(SMB_Tree_Handle Tree_Handle, BOOL discard) + +{ struct RFCNB_Pkt *pkt; + int pkt_len; + + pkt_len = SMB_tdis_len; + + pkt = (struct RFCNB_Pkt *)RFCNB_Alloc_Pkt(pkt_len); + + if (pkt == NULL) { + + SMBlib_errno = SMBlibE_NoSpace; + return(SMBlibE_BAD); /* Should handle the error */ + + } + + /* Now plug in the values ... */ + + bzero(SMB_Hdr(pkt), SMB_tdis_len); + SIVAL(SMB_Hdr(pkt), SMB_hdr_idf_offset, SMB_DEF_IDF); /* Plunk in IDF */ + *(SMB_Hdr(pkt) + SMB_hdr_com_offset) = SMBtdis; + SSVAL(SMB_Hdr(pkt), SMB_hdr_pid_offset, Tree_Handle -> con -> pid); + SSVAL(SMB_Hdr(pkt), SMB_hdr_mid_offset, Tree_Handle -> con -> mid); + SSVAL(SMB_Hdr(pkt), SMB_hdr_uid_offset, Tree_Handle -> con -> uid); + *(SMB_Hdr(pkt) + SMB_hdr_wct_offset) = 0; + + SSVAL(SMB_Hdr(pkt), SMB_hdr_tid_offset, Tree_Handle -> tid); + SSVAL(SMB_Hdr(pkt), SMB_tcon_bcc_offset, 0); + + /* Now send the packet and sit back ... */ + + if (RFCNB_Send(Tree_Handle -> con -> Trans_Connect, pkt, pkt_len) < 0){ + +#ifdef DEBUG + fprintf(stderr, "Error sending TDis request\n"); +#endif + + RFCNB_Free_Pkt(pkt); + SMBlib_errno = -SMBlibE_SendFailed; + return(SMBlibE_BAD); + + } + + /* Now get the response ... */ + + if (RFCNB_Recv(Tree_Handle -> con -> Trans_Connect, pkt, pkt_len) < 0) { + +#ifdef DEBUG + fprintf(stderr, "Error receiving response to TCon\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_TDis 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); + + } + + Tree_Handle -> tid = 0xFFFF; /* Invalid TID */ + Tree_Handle -> mbs = 0; /* Invalid */ + +#ifdef DEBUG + + fprintf(stderr, "Tree disconnect successful ...\n"); + +#endif + + /* What about the tree handle ? */ + + if (discard == TRUE) { /* Unlink it and free it ... */ + + if (Tree_Handle -> next == NULL) + Tree_Handle -> con -> first_tree = Tree_Handle -> prev; + else + Tree_Handle -> next -> prev = Tree_Handle -> prev; + + if (Tree_Handle -> prev == NULL) + Tree_Handle -> con -> last_tree = Tree_Handle -> next; + else + Tree_Handle -> prev -> next = Tree_Handle -> next; + + } + + RFCNB_Free_Pkt(pkt); + return(0); + +} + +/* Pick up the last LMBlib error ... */ + +int SMB_Get_Last_Error() + +{ + + return(SMBlib_errno); + +} + +/* Pick up the last error returned in an SMB packet */ +/* We will need macros to extract error class and error code */ + +int SMB_Get_Last_SMB_Err() + +{ + + return(SMBlib_SMB_Error); + +} + +/* Pick up the error message associated with an error from SMBlib */ + +/* Keep this table in sync with the message codes in smblib-common.h */ + +static char *SMBlib_Error_Messages[] = { + + "Request completed sucessfully.", + "Server returned a non-zero SMB Error Class and Code.", + "A lower layer protocol error occurred.", + "Function not yet implemented.", + "The protocol negotiated does not support the request.", + "No space available for operation.", + "One or more bad parameters passed.", + "None of the protocols we offered were accepted.", + "The attempt to send an SMB request failed. See protocol error info.", + "The attempt to get an SMB response failed. See protocol error info.", + "The logon request failed, but you were logged in as guest.", + "The attempt to call the remote server failed. See protocol error info.", + "The protocol dialect specified in a NegProt and accepted by the server is unknown.", + /* This next one simplifies error handling */ + "No such error code.", + NULL}; + +int SMB_Get_Error_Msg(int msg, char *msgbuf, int len) + +{ + + if (msg >= 0) { + + strncpy(msgbuf, + SMBlib_Error_Messages[msg>SMBlibE_NoSuchMsg?SMBlibE_NoSuchMsg:msg], + len - 1); + msgbuf[len - 1] = 0; /* Make sure it is a string */ + } + else { /* Add the lower layer message ... */ + + char prot_msg[1024]; + + msg = -msg; /* Make it positive */ + + strncpy(msgbuf, + SMBlib_Error_Messages[msg>SMBlibE_NoSuchMsg?SMBlibE_NoSuchMsg:msg], + len - 1); + + msgbuf[len - 1] = 0; /* make sure it is a string */ + + if (strlen(msgbuf) < len) { /* If there is space, put rest in */ + + strncat(msgbuf, "\n\t", len - strlen(msgbuf)); + + RFCNB_Get_Error(prot_msg, sizeof(prot_msg) - 1); + + strncat(msgbuf, prot_msg, len - strlen(msgbuf)); + + } + } + +} -- cgit v1.2.3