/* * The new sysinstall program. * * This is probably the last attempt in the `sysinstall' line, the next * generation being slated to essentially a complete rewrite. * * $FreeBSD$ * * Copyright (c) 1995 * Jordan Hubbard. 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. * * 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 #include #include #include #include #include #include #include Boolean ftpInitted = FALSE; static FILE *OpenConn; int FtpPort; /* Brings up attached network device, if any - takes FTP device as arg */ static Boolean netUp(Device *dev) { Device *netdev = (Device *)dev->private; if (netdev) return netdev->init(netdev); else return TRUE; /* No net == happy net */ } /* Brings down attached network device, if any - takes FTP device as arg */ static void netDown(Device *dev) { Device *netdev = (Device *)dev->private; if (netdev) netdev->shutdown(netdev); } Boolean mediaInitFTP(Device *dev) { int i, code; char *cp, *rel, *hostname, *dir; char *user, *login_name, password[80]; if (ftpInitted) return TRUE; if (OpenConn) { fclose(OpenConn); OpenConn = NULL; } /* If we can't initialize the network, bag it! */ if (!netUp(dev)) return FALSE; try: cp = variable_get(VAR_FTP_PATH); if (!cp) { if (DITEM_STATUS(mediaSetFTP(NULL)) == DITEM_FAILURE || (cp = variable_get(VAR_FTP_PATH)) == NULL) { msgConfirm("Unable to get proper FTP path. FTP media not initialized."); netDown(dev); return FALSE; } } hostname = variable_get(VAR_FTP_HOST); dir = variable_get(VAR_FTP_DIR); if (!hostname || !dir) { msgConfirm("Missing FTP host or directory specification. FTP media not initialized,"); netDown(dev); return FALSE; } user = variable_get(VAR_FTP_USER); login_name = (!user || !*user) ? "anonymous" : user; if (variable_get(VAR_FTP_PASS)) SAFE_STRCPY(password, variable_get(VAR_FTP_PASS)); else if (RunningAsInit) sprintf(password, "installer@%s", variable_get(VAR_HOSTNAME)); else { struct passwd *pw; char *user; pw = getpwuid(getuid()); user = pw ? pw->pw_name : "ftp"; sprintf(password, "%s@%s", user, variable_get(VAR_HOSTNAME)); } msgNotify("Logging in to %s@%s..", login_name, hostname); if ((OpenConn = ftpLogin(hostname, login_name, password, FtpPort, isDebug(), &code)) == NULL) { msgConfirm("Couldn't open FTP connection to %s:\n %s.", hostname, ftpErrString(code)); goto punt; } ftpPassive(OpenConn, !strcmp(variable_get(VAR_FTP_STATE), "passive")); ftpBinary(OpenConn); if (dir && *dir != '\0') { if ((i = ftpChdir(OpenConn, dir)) != 0) { if (i == 550) msgConfirm("No such directory ftp://%s/%s\n" "please check your URL and try again.", hostname, dir); else msgConfirm("FTP chdir to ftp://%s/%s returned error status:\n %s.", hostname, dir, ftpErrString(i)); goto punt; } } /* Give it a shot - can't hurt to try and zoom in if we can, unless the release is set to __RELEASE or "none" which signifies that it's not set */ rel = variable_get(VAR_RELNAME); if (strcmp(rel, "__RELEASE") && strcmp(rel, "none")) i = ftpChdir(OpenConn, rel); else i = 0; if (i) { if (!msgYesNo("Warning: Can't CD to `%s' distribution on this\n" "FTP server. You may need to visit a different server for\n" "the release you're trying to fetch or go to the Options\n" "menu and to set the release name to explicitly match what's\n" "available on %s (or set to \"none\").\n\n" "Would you like to select another FTP server?", rel, hostname)) { variable_unset(VAR_FTP_PATH); if (DITEM_STATUS(mediaSetFTP(NULL)) == DITEM_FAILURE) goto punt; else goto try; } else goto punt; } ftpInitted = TRUE; return TRUE; punt: ftpInitted = FALSE; if (OpenConn != NULL) { fclose(OpenConn); OpenConn = NULL; } netDown(dev); variable_unset(VAR_FTP_PATH); return FALSE; } FILE * mediaGetFTP(Device *dev, char *file, Boolean probe) { int nretries = 1; FILE *fp; char *try, buf[PATH_MAX]; if (!OpenConn) { msgDebug("No FTP connection open, can't get file %s\n", file); return NULL; } try = file; while ((fp = ftpGet(OpenConn, try, 0)) == NULL) { int ftperr = ftpErrno(OpenConn); /* If a hard fail, try to "bounce" the ftp server to clear it */ if (ftperr != 550) { if (ftperr != 421) /* Timeout? */ variable_unset(VAR_FTP_PATH); /* If we can't re-initialize, just forget it */ dev->shutdown(dev); if (!dev->init(dev)) { netDown(dev); if (OpenConn) { fclose(OpenConn); OpenConn = NULL; } variable_unset(VAR_FTP_PATH); return NULL; } } else if (probe) return NULL; else { /* Try some alternatives */ switch (nretries++) { case 1: sprintf(buf, "releases/%s", file); try = buf; break; case 2: sprintf(buf, "%s/%s", variable_get(VAR_RELNAME), file); try = buf; break; case 3: sprintf(buf, "%s/releases/%s", variable_get(VAR_RELNAME), file); try = buf; break; case 4: try = file; break; } } } return fp; } void mediaShutdownFTP(Device *dev) { if (!ftpInitted) return; if (OpenConn != NULL) { fclose(OpenConn); OpenConn = NULL; } ftpInitted = FALSE; }