255 lines
7.0 KiB
C
255 lines
7.0 KiB
C
/*
|
|
* The new sysinstall program.
|
|
*
|
|
* This is probably the last attempt in the `sysinstall' line, the next
|
|
* generation being slated to essentially a complete rewrite.
|
|
*
|
|
* $Id: ftp_strat.c,v 1.2 1995/05/27 20:50:10 jkh Exp $
|
|
*
|
|
* Copyright (c) 1995
|
|
* Jordan Hubbard. All rights reserved.
|
|
* Copyright (c) 1995
|
|
* Gary J Palmer. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* verbatim and that no modifications are made prior to this
|
|
* point in the file.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Jordan Hubbard
|
|
* for the FreeBSD Project.
|
|
* 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
|
|
* endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include "sysinstall.h"
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <sys/param.h>
|
|
#include <sys/wait.h>
|
|
#include <netdb.h>
|
|
#include "ftp.h"
|
|
|
|
Boolean ftpInitted;
|
|
static FTP_t ftp;
|
|
|
|
Boolean
|
|
mediaInitFTP(Device *dev)
|
|
{
|
|
int i;
|
|
char *cp, *hostname, *dir;
|
|
char *my_name, email[BUFSIZ], url[BUFSIZ];
|
|
Device *netDevice = (Device *)dev->private;
|
|
|
|
if (ftpInitted)
|
|
return TRUE;
|
|
|
|
if (netDevice->init)
|
|
if (!(*netDevice->init)(netDevice))
|
|
return FALSE;
|
|
|
|
if ((ftp = FtpInit()) == NULL) {
|
|
msgConfirm("FTP initialisation failed!");
|
|
return FALSE;
|
|
}
|
|
|
|
cp = getenv("ftp");
|
|
if (!cp)
|
|
return FALSE;
|
|
my_name = getenv(VAR_HOSTNAME);
|
|
if (strncmp("ftp://", cp, 6) != NULL) {
|
|
msgConfirm("Invalid URL (`%s') passed to FTP routines!\n(must start with `ftp://')", url);
|
|
return FALSE;
|
|
}
|
|
strncpy(url, cp, BUFSIZ);
|
|
msgDebug("Using URL `%s'\n", url);
|
|
hostname = url + 6;
|
|
if ((dir = index(hostname, '/')) != NULL)
|
|
*(dir++) = '\0';
|
|
strcpy(dev->name, hostname);
|
|
msgDebug("hostname = `%s'\n", hostname);
|
|
msgDebug("dir = `%s'\n", dir ? dir : "/");
|
|
msgNotify("Looking up host %s..", hostname);
|
|
if ((gethostbyname(hostname) == NULL) && (inet_addr(hostname) == INADDR_NONE)) {
|
|
msgConfirm("Cannot resolve hostname `%s'! Are you sure your name server\nand/or gateway values are set properly?", hostname);
|
|
return FALSE;
|
|
}
|
|
|
|
snprintf(email, BUFSIZ, "installer@%s", my_name);
|
|
msgDebug("Using fake e-mail `%s'\n", email);
|
|
|
|
msgNotify("Logging in as anonymous.");
|
|
if ((i = FtpOpen(ftp, hostname, "anonymous", email)) != 0) {
|
|
msgConfirm("Couldn't open FTP connection to %s: %s (%u)\n", hostname, strerror(i), i);
|
|
return FALSE;
|
|
}
|
|
|
|
if (getenv("ftpPassive"))
|
|
FtpPassive(ftp, 1);
|
|
FtpBinary(ftp, 1);
|
|
if (dir && *dir != '\0') {
|
|
msgNotify("CD to distribution in ~ftp/%s", dir);
|
|
FtpChdir(ftp, dir);
|
|
}
|
|
msgDebug("leaving mediaInitFTP!\n");
|
|
ftpInitted = TRUE;
|
|
return TRUE;
|
|
}
|
|
|
|
static pid_t ftppid = 0;
|
|
|
|
int
|
|
mediaGetFTP(char *dist, char *path)
|
|
{
|
|
int fd;
|
|
char buf[512];
|
|
int pfd[2], numchunks;
|
|
const char *tmp;
|
|
Attribs *dist_attr;
|
|
|
|
if (!path)
|
|
path = "";
|
|
msgNotify("Attempting to retreive `%s' over FTP", dist);
|
|
snprintf(buf, PATH_MAX, "/stand/info/%s%s.inf", path, dist);
|
|
if (!access(buf, R_OK)) {
|
|
msgDebug("Parsing attributes file for %s\n", dist);
|
|
dist_attr = safe_malloc(sizeof(Attribs) * MAX_ATTRIBS);
|
|
if (attr_parse(&dist_attr, buf) == 0) {
|
|
msgConfirm("Cannot load information file for %s distribution!\nPlease verify that your media is valid and try again.", dist);
|
|
return -1;
|
|
}
|
|
|
|
msgDebug("Looking for attribute `pieces'\n");
|
|
tmp = attr_match(dist_attr, "pieces");
|
|
numchunks = atoi(tmp);
|
|
}
|
|
else
|
|
numchunks = 0;
|
|
msgDebug("Attempting to extract distribution from %u files\n", numchunks ? numchunks : 1);
|
|
|
|
/* Take the lack of an info file to mean we're a fully qualified name */
|
|
if (!numchunks) {
|
|
sprintf(buf, "%s%s", path, dist);
|
|
return(FtpGet(ftp, buf));
|
|
}
|
|
else if (numchunks == 1) {
|
|
snprintf(buf, 512, "%s%s.aa", path, dist);
|
|
return(FtpGet(ftp, buf));
|
|
}
|
|
|
|
/* reap the previous child corpse - yuck! */
|
|
if (ftppid) {
|
|
int i, j;
|
|
|
|
i = waitpid(ftppid, &j, 0);
|
|
if (i < 0 || WEXITSTATUS(j)) {
|
|
msgConfirm("Previous FTP transaction returned status code %d - aborting\ntransfer.", WEXITSTATUS(j));
|
|
ftppid = 0;
|
|
return -1;
|
|
}
|
|
ftppid = 0;
|
|
}
|
|
pipe(pfd);
|
|
ftppid = fork();
|
|
if (!ftppid) {
|
|
int chunk;
|
|
int retval;
|
|
Boolean needEOF = FALSE;
|
|
|
|
dup2(pfd[1], 1); close(pfd[1]);
|
|
close(pfd[0]);
|
|
|
|
for (chunk = 0; chunk < numchunks; chunk++) {
|
|
char buffer[10240];
|
|
int n;
|
|
|
|
if (needEOF) {
|
|
FtpEOF(ftp);
|
|
needEOF = FALSE;
|
|
}
|
|
snprintf(buf, 512, "%s%s.%c%c", path, dist, (chunk / 26) + 'a', (chunk % 26) + 'a');
|
|
fd = FtpGet(ftp, buf);
|
|
|
|
if (fd < 0)
|
|
{
|
|
msgConfirm("FtpGet failed to retreive piece `%s' in the %s distribution!\nAborting the transfer", chunk, dist);
|
|
exit(1);
|
|
}
|
|
else
|
|
needEOF = TRUE;
|
|
while ((n = read(fd, buffer, 10240)) > 0)
|
|
{
|
|
retval = write(1, buffer, n);
|
|
if (retval != n)
|
|
{
|
|
msgConfirm("Write failure on transfer! (wrote %d bytes of %d bytes)", retval, n);
|
|
exit(1);
|
|
}
|
|
|
|
}
|
|
close(fd);
|
|
}
|
|
close(1);
|
|
msgDebug("Extract of %s finished with success!!!\n", dist);
|
|
exit(0);
|
|
}
|
|
close(pfd[1]);
|
|
return(pfd[0]);
|
|
}
|
|
|
|
Boolean
|
|
mediaCloseFTP(Device *dev, int fd)
|
|
{
|
|
FtpEOF(ftp);
|
|
close(fd);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
mediaShutdownFTP(Device *dev)
|
|
{
|
|
Device *netdev = (Device *)dev->private;
|
|
|
|
if (!ftpInitted)
|
|
return;
|
|
|
|
if (ftp != NULL) {
|
|
FtpClose(ftp);
|
|
ftp = NULL;
|
|
}
|
|
if (ftppid) {
|
|
int i, j;
|
|
|
|
i = waitpid(ftppid, &j, 0);
|
|
if (i < 0 || WEXITSTATUS(j))
|
|
msgConfirm("Warning: Last FTP transaction returned status code %d.", WEXITSTATUS(j));
|
|
ftppid = 0;
|
|
}
|
|
if (netdev->shutdown)
|
|
(*netdev->shutdown)(netdev);
|
|
ftpInitted = FALSE;
|
|
}
|
|
|