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-rw-r--r--floppyd_installtest.c330
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diff --git a/floppyd_installtest.c b/floppyd_installtest.c
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+/* Copyright 1999 Peter Schlaile.
+ * Copyright 1999-2002,2006,2007,2009 Alain Knaff.
+ * This file is part of mtools.
+ *
+ * Mtools 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Mtools 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 Mtools. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Small install-test utility to check if a floppyd-server is running on the
+ * X-Server-Host.
+ *
+ * written by:
+ *
+ * Peter Schlaile
+ *
+ * udbz@rz.uni-karlsruhe.de
+ *
+ */
+
+#include "sysincludes.h"
+#include "stream.h"
+#include "mtools.h"
+#include "msdos.h"
+#include "scsi.h"
+#include "partition.h"
+#include "floppyd_io.h"
+
+#ifdef USE_FLOPPYD
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+/* ######################################################################## */
+
+typedef unsigned char Byte;
+typedef unsigned long Dword;
+typedef mt_off_t Qword;
+
+const char* AuthErrors[] = {
+ "Auth success!",
+ "Auth failed: Packet oversized!",
+ "Auth failed: X-Cookie doesn't match!",
+ "Auth failed: Wrong transmission protocol version!",
+ "Auth failed: Device locked!"
+};
+
+#include "byte_dword.h"
+#include "read_dword.h"
+
+static int write_dword(int handle, Dword parm)
+{
+ Byte val[4];
+
+ dword2byte(parm, val);
+
+ if(write(handle, val, 4) < 4)
+ return -1;
+ return 0;
+}
+
+
+/* ######################################################################## */
+
+static int authenticate_to_floppyd(char fullauth, int sock, char *display,
+ int protoversion)
+{
+ off_t filelen=0;
+ Byte buf[16];
+ const char *command[] = { "xauth", "xauth", "extract", "-", 0, 0 };
+ char *xcookie = NULL;
+ Dword errcode;
+ int bytesRead;
+ int cap=0;
+
+ if (fullauth) {
+ command[4] = display;
+
+ filelen=strlen(display);
+ filelen += 100;
+
+ xcookie = (char *) safe_malloc(filelen+4);
+ filelen = safePopenOut(command, xcookie+4, filelen);
+ if(filelen < 1)
+ return AUTH_AUTHFAILED;
+ }
+ dword2byte(4,buf);
+ dword2byte(protoversion,buf+4);
+ if(write(sock, buf, 8) < 8)
+ return AUTH_IO_ERROR;
+
+ bytesRead = read_dword(sock);
+
+ if (bytesRead != 4 && bytesRead != 12) {
+ return AUTH_WRONGVERSION;
+ }
+
+
+ errcode = read_dword(sock);
+
+ if (errcode != AUTH_SUCCESS) {
+ return errcode;
+ }
+
+ protoversion = FLOPPYD_PROTOCOL_VERSION_OLD;
+ if(bytesRead >= 12) {
+ protoversion = read_dword(sock);
+ cap = read_dword(sock);
+ }
+
+ fprintf(stderr, "Protocol Version=%d\n", protoversion);
+ if(protoversion >= FLOPPYD_PROTOCOL_VERSION) {
+ fprintf(stderr, "Capabilities:%s%s\n",
+ (cap & FLOPPYD_CAP_EXPLICIT_OPEN) ? " ExplicitOpen" : "",
+ (cap & FLOPPYD_CAP_LARGE_SEEK) ? " LargeFiles" : "");
+ }
+
+ if (fullauth) {
+ dword2byte(filelen, (Byte *) xcookie);
+ if(write(sock, xcookie, filelen+4) < filelen+4)
+ return AUTH_IO_ERROR;
+
+ if (read_dword(sock) != 4) {
+ return AUTH_PACKETOVERSIZE;
+ }
+
+ errcode = read_dword(sock);
+ }
+
+ return errcode;
+
+}
+
+
+/* ######################################################################## */
+
+static int get_host_and_port(const char* name, char** hostname, char **display,
+ short* port)
+{
+ char* newname = strdup(name);
+ char* p;
+ char* p2;
+
+ p = newname;
+ while (*p != '/' && *p) p++;
+ p2 = p;
+ if (*p) p++;
+ *p2 = 0;
+
+ *port = atoi(p);
+ if (*port == 0) {
+ *port = FLOPPYD_DEFAULT_PORT;
+ }
+
+ *display = strdup(newname);
+
+ p = newname;
+ while (*p != ':' && *p) p++;
+ p2 = p;
+ if (*p) p++;
+ *p2 = 0;
+
+ *port += atoi(p); /* add display number to the port */
+
+ if (!*newname || strcmp(newname, "unix") == 0) {
+ free(newname);
+ newname = strdup("localhost");
+ }
+
+ *hostname = newname;
+ return 1;
+}
+
+/*
+ * * Return the IP address of the specified host.
+ * */
+static IPaddr_t getipaddress(char *ipaddr)
+{
+
+ struct hostent *host;
+ IPaddr_t ip;
+
+ if (((ip = inet_addr(ipaddr)) == INADDR_NONE) &&
+ (strcmp(ipaddr, "255.255.255.255") != 0)) {
+
+ if ((host = gethostbyname(ipaddr)) != NULL) {
+ memcpy(&ip, host->h_addr, sizeof(ip));
+ }
+
+ endhostent();
+ }
+
+#ifdef DEBUG
+ fprintf(stderr, "IP lookup %s -> 0x%08lx\n", ipaddr, ip);
+#endif
+
+ return (ip);
+}
+
+/*
+ * * Connect to the floppyd server.
+ * */
+static int connect_to_server(IPaddr_t ip, short port)
+{
+
+ struct sockaddr_in addr;
+ int sock;
+
+ /*
+ * Allocate a socket.
+ */
+ if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+ return (-1);
+ }
+
+ /*
+ * Set the address to connect to.
+ */
+
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ addr.sin_addr.s_addr = ip;
+
+ /*
+ * Connect our socket to the above address.
+ */
+ if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ return (-1);
+ }
+
+ /*
+ * Set the keepalive socket option to on.
+ */
+ {
+ int on = 1;
+ setsockopt(STDIN_FILENO, SOL_SOCKET, SO_KEEPALIVE,
+ (char *)&on, sizeof(on));
+
+ }
+
+ return (sock);
+}
+
+int main (int argc, char** argv)
+{
+ char* hostname;
+ char* display;
+ char* name;
+ short port;
+ int sock;
+ int reply;
+ int rval;
+ int protoversion;
+ char fullauth = 0;
+ Byte opcode = OP_CLOSE;
+
+ if (argc < 2) {
+ puts("Usage: floppyd_installtest [-f] Connect-String\n"
+ "-f\tDo full X-Cookie-Authentication");
+ return -1;
+ }
+
+ name = argv[1];
+ if (strcmp(name, "-f") == 0) {
+ fullauth = 1;
+ name = argv[2];
+ }
+
+ rval = get_host_and_port(name, &hostname, &display, &port);
+
+ if (!rval) return -1;
+
+ sock = connect_to_server(getipaddress(hostname), port);
+
+ if (sock == -1) {
+ fprintf(stderr,
+ "Can't connect to floppyd server on %s, port %i!\n",
+ hostname, port);
+ return -1;
+ }
+
+ protoversion = FLOPPYD_PROTOCOL_VERSION;
+ while(1) {
+ reply = authenticate_to_floppyd(fullauth, sock, display,
+ protoversion);
+ if(protoversion == FLOPPYD_PROTOCOL_VERSION_OLD)
+ break;
+ if(reply == AUTH_WRONGVERSION) {
+ /* fall back on old version */
+ protoversion = FLOPPYD_PROTOCOL_VERSION_OLD;
+ continue;
+ }
+ break;
+ }
+
+ if (reply != 0) {
+ fprintf(stderr,
+ "Connection to floppyd failed:\n"
+ "%s\n", AuthErrors[reply]);
+ return -1;
+ }
+
+ free(hostname);
+ free(display);
+
+ if(write_dword(sock, 1) < 0) {
+ fprintf(stderr,
+ "Short write to floppyd:\n"
+ "%s\n", strerror(errno));
+ }
+
+ if(write(sock, &opcode, 1) < 0) {
+ fprintf(stderr,
+ "Short write to floppyd:\n"
+ "%s\n", strerror(errno));
+ }
+
+ close(sock);
+
+ return 0;
+}
+#endif