8ca9e9c6b9
if wrong version. 2. Make sure network device is initialized in ftpInit 3. Eliminate bogus size values in the menus. For now, we'll have to admit that nobody's added it up yet. In the future, these menus should be build dynamically anyway, not declared static. 4. Add more debugging to networking code to chase the mystery ppp device problem.
225 lines
6.2 KiB
C
225 lines
6.2 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated to essentially a complete rewrite.
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*
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* $Id: ftp.c,v 1.20 1996/12/11 19:35:26 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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* Copyright (c) 1995
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* Gary J Palmer. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "sysinstall.h"
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <sys/param.h>
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#include <sys/wait.h>
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#include <netdb.h>
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#include <ftpio.h>
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Boolean ftpInitted = FALSE;
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static FILE *OpenConn;
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int FtpPort;
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Boolean
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mediaInitFTP(Device *dev)
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{
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int i, code;
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char *cp, *rel, *hostname, *dir;
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char *user, *login_name, password[80];
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Device *netdev = (Device *)dev->private;
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if (ftpInitted)
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return TRUE;
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if (isDebug())
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msgDebug("Init routine for FTP called.\n");
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if (OpenConn) {
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fclose(OpenConn);
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OpenConn = NULL;
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}
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/* If we can't initialize the network, bag it! */
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if (!netdev->init(netdev))
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return FALSE;
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try:
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cp = variable_get(VAR_FTP_PATH);
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if (!cp) {
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if (DITEM_STATUS(mediaSetFTP(NULL)) == DITEM_FAILURE || (cp = variable_get(VAR_FTP_PATH)) == NULL)
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return FALSE;
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}
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hostname = variable_get(VAR_FTP_HOST);
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dir = variable_get(VAR_FTP_DIR);
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if (!hostname || !dir)
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msgFatal("Missing FTP host or directory specification - something's wrong!");
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user = variable_get(VAR_FTP_USER);
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login_name = (!user || !*user) ? "anonymous" : user;
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if (variable_get(VAR_FTP_PASS))
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SAFE_STRCPY(password, variable_get(VAR_FTP_PASS));
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else
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sprintf(password, "installer@%s", variable_get(VAR_HOSTNAME));
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msgNotify("Logging in to %s@%s..", login_name, hostname);
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if ((OpenConn = ftpLogin(hostname, login_name, password, FtpPort, isDebug(), &code)) == NULL) {
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if (variable_get(VAR_NO_CONFIRM))
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msgNotify("Couldn't open FTP connection to %s, errcode = %d", hostname, code);
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else
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msgConfirm("Couldn't open FTP connection to %s, errcode = %d", hostname, code);
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goto punt;
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}
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ftpPassive(OpenConn, !strcmp(variable_get(VAR_FTP_STATE), "passive"));
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ftpBinary(OpenConn);
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if (dir && *dir != '\0') {
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if ((i = ftpChdir(OpenConn, dir)) != 0) {
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msgDebug("Attempt to chdir to distribution in %s returns error code %d\n", dir, i);
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goto punt;
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}
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}
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/* Give it a shot - can't hurt to try and zoom in if we can, unless the release is set to
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__RELEASE or "none" which signifies that it's not set */
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rel = variable_get(VAR_RELNAME);
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if (strcmp(rel, "__RELEASE") && strcmp(rel, "none"))
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i = ftpChdir(OpenConn, rel);
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else
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i = 0;
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if (i) {
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if (!msgYesNo("Warning: Can't CD to `%s' distribution on this\n"
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"FTP server. You may need to visit a different server for\n"
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"the release you're trying to fetch or go to the Options\n"
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"menu and to set the release name to explicitly match what's\n"
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"available on %s (or set to \"none\").\n\n"
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"Would you like to select another FTP server?",
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rel, hostname)) {
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variable_unset(VAR_FTP_PATH);
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if (DITEM_STATUS(mediaSetFTP(NULL)) == DITEM_FAILURE)
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goto punt;
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else
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goto try;
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}
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else
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goto punt;
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}
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if (isDebug())
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msgDebug("mediaInitFTP was successful (logged in and chdir'd)\n");
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ftpInitted = TRUE;
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return TRUE;
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punt:
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if (OpenConn != NULL) {
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fclose(OpenConn);
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OpenConn = NULL;
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}
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variable_unset(VAR_FTP_PATH);
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return FALSE;
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}
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FILE *
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mediaGetFTP(Device *dev, char *file, Boolean probe)
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{
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int nretries = 1;
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FILE *fp;
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char *try, buf[PATH_MAX];
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if (!OpenConn) {
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msgDebug("No FTP connection open, can't get file %s\n", file);
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return NULL;
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}
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try = file;
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while ((fp = ftpGet(OpenConn, try, 0)) == NULL) {
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/* If a hard fail, try to "bounce" the ftp server to clear it */
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if (ftpErrno(OpenConn) != 550) {
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char *cp = variable_get(VAR_FTP_PATH);
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dev->shutdown(dev);
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variable_unset(VAR_FTP_PATH);
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/* If we can't re-initialize, just forget it */
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if (!dev->init(dev)) {
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fclose(OpenConn);
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OpenConn = NULL;
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return NULL;
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}
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else
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variable_set2(VAR_FTP_PATH, cp);
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}
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else if (probe)
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return NULL;
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else {
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/* Try some alternatives */
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switch (nretries++) {
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case 1:
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sprintf(buf, "dists/%s", file);
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try = buf;
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break;
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case 2:
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sprintf(buf, "%s/%s", variable_get(VAR_RELNAME), file);
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try = buf;
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break;
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case 3:
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sprintf(buf, "%s/dists/%s", variable_get(VAR_RELNAME), file);
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try = buf;
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break;
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case 4:
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try = file;
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break;
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}
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}
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}
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return fp;
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}
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void
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mediaShutdownFTP(Device *dev)
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{
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/* Device *netdev = (Device *)dev->private; */
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if (!ftpInitted)
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return;
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if (isDebug())
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msgDebug("FTP shutdown called. OpenConn = %x\n", OpenConn);
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if (OpenConn != NULL) {
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fclose(OpenConn);
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OpenConn = NULL;
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}
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/* netdev->shutdown(netdev); */
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ftpInitted = FALSE;
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}
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