SMB_test.c

//---------------------------------------------------------------------------
// File name:   SMB_test.c
//---------------------------------------------------------------------------

smbServerList_t smbServerList[SERVERLIST_MAX];  // List of active servers

int smbServerListCount = 0;  // Count of valid server entries in ServerList
int smbCurrentServer = -1;   // Index of server for current traffic (-1 if none)

//---------------------------------------------------------------------------
// Function to log on to an index selected server
//------------------------------
int smbLogon_Server(int Index)
{
    int ret;
    smbLogOn_in_t logon;

    load_smbman();

    if (smbServerList[Index].Server_Logon_f == 1) {
        printf("smbLogon_Server: Request for duplicate logon noted.\n");
        return -1;
    }

    if (smbServerList[Index].Username[0] == 0)  // if Username invalid
        strcpy(smbServerList[Index].Username, "GUEST");

    if ((smbServerList[Index].PasswordType > 0)  // if hashing wanted
        && (smbServerList[Index].PassHash_f == 0)) {
        ret = fileXioDevctl("smb:", SMB_DEVCTL_GETPASSWORDHASHES, (void *)&smbServerList[Index].Password, sizeof(smbServerList[Index].Password), (void *)&smbServerList[Index].PassHash, sizeof(smbServerList[Index].PassHash));
        if (ret) {
            printf("smbLogon_Server: PassHash error %d\n", ret);
            return -1;
        }
        smbServerList[Index].PassHash_f = 1;  // PassHash is now valid for future use
    }

    strcpy(logon.serverIP, smbServerList[Index].Server_IP);
    logon.serverPort = smbServerList[Index].Server_Port;
    strcpy(logon.User, smbServerList[Index].Username);
    if (smbServerList[Index].PasswordType > 0)  // if hashing wanted
        memcpy((void *)logon.Password, (void *)smbServerList[Index].PassHash, sizeof(smbServerList[Index].PassHash));
    else
        strcpy(logon.Password, smbServerList[Index].Password);
    logon.PasswordType = smbServerList[Index].PasswordType;

    ret = fileXioDevctl("smb:", SMB_DEVCTL_LOGON, (void *)&logon, sizeof(logon), NULL, 0);
    if (ret) {
        printf("smbLogon_Server: Logon Error %d\n", ret);
        return -1;
    }
    smbServerList[Index].Server_Logon_f = 1;
    printf("smbLogon_Server: Logon succeeded!\n");
    return 0;  // Here basic Logon has been achieved
}
//------------------------------
// endfunc smbLogon_CurrentServer
//---------------------------------------------------------------------------
// Function to log on to a currently selected SMB server
//------------------------------
int smbLogon_CurrentServer()
{
    return smbLogon_Server(smbCurrentServer);
}
//------------------------------
// endfunc smbLogon_CurrentServer
//---------------------------------------------------------------------------
// storeSMBCNF will save SMB specific settings to a pre-allocated RAM area
//------------------------------
size_t storeSMBCNF(char *cnf_buf)
{
    size_t CNF_size, size_step;
    int i;

    for (CNF_size = 0, i = 0; i < smbServerListCount; i++) {  // loop for each SMB server in the list
        sprintf(cnf_buf + CNF_size,
                "smbIndex = %d\r\n"
                "smbServer_IP = %s\r\n"
                "smbServer_Port = %d\r\n"
                "smbUsername = %s\r\n"
                "smbPassword = %s\r\n"
                "smbPasswordType = %d\r\n"
                "smbClient_ID = %s\r\n"
                "smbServer_ID = %s\r\n"
                "smbServer_FBID = %s\r\n"
                "%n",  // %n causes NO output, but only a measurement
                i,     // smbIndex
                smbServerList[i].Server_IP,
                smbServerList[i].Server_Port,
                smbServerList[i].Username,
                smbServerList[i].Password,
                smbServerList[i].PasswordType,
                smbServerList[i].Client_ID,
                smbServerList[i].Server_ID,
                smbServerList[i].Server_FBID,
                &size_step  // This measures the size of sprintf data
        );
        CNF_size += size_step;
    }
    return CNF_size;
}
//------------------------------
// endfunc storeSMBCNF
//---------------------------------------------------------------------------
// saveSMBCNF will save SMB specific settings to an SMB CNF file
//------------------------------
int saveSMBCNF(char *CNFpath)
{
    int ret, fd;
    char tmp[SERVERLIST_MAX * 1500];  // Must have room for entire SMB CNF file
    char cnf_path[MAX_PATH];
    size_t CNF_size;

    CNF_size = storeSMBCNF(tmp);

    ret = genFixPath(CNFpath, cnf_path);  // Fix raw path argument
    if ((ret < 0) || ((fd = genOpen(cnf_path, O_CREAT | O_WRONLY | O_TRUNC)) < 0)) {
        return -1;  // Failed open
    }
    ret = genWrite(fd, &tmp, CNF_size);
    if (ret != CNF_size)
        ret = -2;  // Failed writing
    genClose(fd);

    return ret;
}
//-----------------------------
// endfunc saveSMBCNF
//---------------------------------------------------------------------------
// scanSMBCNF will check for SMB specific variables of an SMB CNF in RAM
//------------------------------
int scanSMBCNF(unsigned char *name, unsigned char *value)
{
    if (!strcmp(name, "smbIndex")) {
        int test;

        test = atoi(value);
        if ((test >= 0) && (test < SERVERLIST_MAX)) {
            smbCurrentServer = test;
            memset((void *)&smbServerList[test], 0, sizeof(smbServerList_t));
            if (test + 1 > smbServerListCount)
                smbServerListCount = test + 1;
        } else {
            printf("scanSMBCNF: Invalid smbIndex in CNF == %d\n", test);
            return -1;
        }
    } else if (!strcmp(name, "smbServer_IP"))
        strcpy(smbServerList[smbCurrentServer].Server_IP, value);
    else if (!strcmp(name, "smbServer_Port"))
        smbServerList[smbCurrentServer].Server_Port = atoi(value);
    else if (!strcmp(name, "smbUsername"))
        strcpy(smbServerList[smbCurrentServer].Username, value);
    else if (!strcmp(name, "smbPassword"))
        strcpy(smbServerList[smbCurrentServer].Password, value);
    else if (!strcmp(name, "smbPasswordType"))
        smbServerList[smbCurrentServer].PasswordType = atoi(value);
    else if (!strcmp(name, "smbClient_ID"))
        strcpy(smbServerList[smbCurrentServer].Client_ID, value);
    else if (!strcmp(name, "smbServer_ID"))
        strcpy(smbServerList[smbCurrentServer].Server_ID, value);
    else if (!strcmp(name, "smbServer_FBID"))
        strcpy(smbServerList[smbCurrentServer].Server_FBID, value);
    else
        return 0;  // when no SMB variable
    return 1;      // when SMB variable found
}
//------------------------------
// endfunc scanSMBCNF
//---------------------------------------------------------------------------
// loadSMBCNF will load SMB specific settings from an SMB CNF file
//------------------------------
int loadSMBCNF(char *path)
{
    int var_cnt;
    unsigned char *RAM_p, *CNF_p, *name, *value;

    if (!(RAM_p = preloadCNF(path)))
        return -1;
    CNF_p = RAM_p;
    for (var_cnt = 0; get_CNF_string(&CNF_p, &name, &value); var_cnt++)
        scanSMBCNF(name, value);
    free(RAM_p);
    return 0;
}
//------------------------------
// endfunc loadSMBCNF
//---------------------------------------------------------------------------
// End of file
//---------------------------------------------------------------------------