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-rw-r--r--release/sysinstall/anonFTP.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/release/sysinstall/anonFTP.c b/release/sysinstall/anonFTP.c
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+++ b/release/sysinstall/anonFTP.c
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+/*
+ * The new sysinstall program.
+ *
+ * This is probably the last program in the `sysinstall' line - the next
+ * generation being essentially a complete rewrite.
+ *
+ * $Id$
+ *
+ * Copyright (c) 1995
+ * Coranth Gryphon. All rights reserved.
+ * Copyright (c) 1996
+ * Jordan K. 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 THE AUTHORS ``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 THE AUTHORS OR THEIR 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/param.h>
+#include <pwd.h>
+#include <grp.h>
+
+/* This doesn't change until FTP itself changes */
+
+#define FTP_NAME "ftp"
+#define MOTD_FILE "ftpmotd"
+
+/* These change if we want to use different defaults */
+
+#define FTP_UID 14
+#define FTP_GID 5
+#define FTP_GROUP "operator"
+#define FTP_UPLOAD "incoming"
+#define FTP_COMMENT "Anonymous FTP Admin"
+#define FTP_HOMEDIR "/var/ftp"
+
+#define ANONFTP_HELPFILE "anonftp"
+
+/* Set up the structure to hold configuration information */
+/* Note that this is only what we could fit onto the one screen */
+
+typedef struct
+{
+ char homedir[64]; /* Home Dir for Anon FTP */
+ char group[32]; /* Group */
+ char uid[8]; /* UID */
+ char comment[64]; /* PWD Comment */
+ char upload[32]; /* Upload Dir */
+} FTPConf;
+
+static FTPConf tconf;
+
+#define ANONFTP_HOMEDIR_LEN 64
+#define ANONFTP_COMMENT_LEN 64
+#define ANONFTP_UPLOAD_LEN 32
+#define ANONFTP_GROUP_LEN 32
+#define ANONFTP_UID_LEN 8
+
+static int okbutton, cancelbutton;
+
+/* What the screen size is meant to be */
+#define ANONFTP_DIALOG_Y 0
+#define ANONFTP_DIALOG_X 8
+#define ANONFTP_DIALOG_WIDTH COLS - 16
+#define ANONFTP_DIALOG_HEIGHT LINES - 2
+
+static Layout layout[] = {
+#define LAYOUT_UID 0
+ { 2, 3, 8, ANONFTP_UID_LEN - 1,
+ "UID:", "What user ID to assign to FTP Admin",
+ tconf.uid, STRINGOBJ, NULL },
+#define LAYOUT_GROUP 1
+ { 2, 15, 15, ANONFTP_GROUP_LEN - 1,
+ "Group:", "Group name that ftp process belongs to",
+ tconf.group, STRINGOBJ, NULL },
+#define LAYOUT_COMMENT 2
+ { 2, 35, 24, ANONFTP_COMMENT_LEN - 1,
+ "Comment:", "Password file comment for FTP Admin",
+ tconf.comment, STRINGOBJ, NULL },
+#define LAYOUT_HOMEDIR 3
+ { 9, 10, 43, ANONFTP_HOMEDIR_LEN - 1,
+ "FTP Root Directory:",
+ "The top directory to chroot to when doing anonymous ftp",
+ tconf.homedir, STRINGOBJ, NULL },
+#define LAYOUT_UPLOAD 4
+ { 14, 20, 22, ANONFTP_UPLOAD_LEN - 1,
+ "Upload Subdirectory:", "Designated sub-directory that holds uploads",
+ tconf.upload, STRINGOBJ, NULL },
+#define LAYOUT_OKBUTTON 5
+ { 19, 15, 0, 0,
+ "OK", "Select this if you are happy with these settings",
+ &okbutton, BUTTONOBJ, NULL },
+#define LAYOUT_CANCELBUTTON 6
+ { 19, 35, 0, 0,
+ "CANCEL", "Select this if you wish to cancel this screen",
+ &cancelbutton, BUTTONOBJ, NULL },
+ { NULL },
+};
+
+int
+createFtpUser(void)
+{
+ struct passwd *tpw;
+ struct group *tgrp;
+ char pwline[256];
+ char *tptr;
+ int gid;
+ FILE *fptr;
+
+ if ((gid = atoi(tconf.group)) <= 0) {
+ if (!(tgrp = getgrnam(tconf.group))) {
+ /* group does not exist, create it by name */
+
+ tptr = msgGetInput("14", "What group ID to use for group %s ?", tconf.group);
+ if (tptr && *tptr && ((gid = atoi(tptr)) > 0)) {
+ if ((fptr = fopen(_PATH_GROUP,"a"))) {
+ fprintf(fptr,"%s:*:%d:%s\n",tconf.group,gid,FTP_NAME);
+ fclose(fptr);
+ }
+ }
+ else
+ gid = FTP_GID;
+ }
+ else
+ gid = tgrp->gr_gid;
+ }
+ else if (!getgrgid(gid)) {
+ /* group does not exist, create it by number */
+
+ tptr = msgGetInput("14", "What group name to use for gid %d ?", gid);
+ if (tptr && *tptr) {
+ SAFE_STRCPY(tconf.group, tptr);
+ if ((tgrp = getgrnam(tconf.group))) {
+ gid = tgrp->gr_gid;
+ }
+ else if ((fptr = fopen(_PATH_GROUP,"a"))) {
+ fprintf(fptr,"%s:*:%d:%s\n",tconf.group,gid,FTP_NAME);
+ fclose(fptr);
+ }
+ }
+ }
+
+ if ((tpw = getpwnam(FTP_NAME))) {
+ if (tpw->pw_uid != FTP_UID)
+ msgConfirm("FTP user already exists with a different uid.");
+
+ return DITEM_SUCCESS; /* succeeds if already exists */
+ }
+
+ sprintf(pwline, "%s::%s:%d::0:0:%s:%s:/bin/date\n", FTP_NAME, tconf.uid, gid, tconf.comment, tconf.homedir);
+
+ fptr = fopen(_PATH_MASTERPASSWD,"a");
+ if (! fptr) {
+ msgConfirm("Could not open master password file.");
+ return DITEM_FAILURE;
+ }
+ fprintf(fptr, pwline);
+ fclose(fptr);
+ msgNotify("Remaking password file: %s", _PATH_MASTERPASSWD);
+ vsystem("pwd_mkdb -p %s", _PATH_MASTERPASSWD);
+ return DITEM_SUCCESS;
+}
+
+/* This is it - how to get the setup values */
+static int
+anonftpOpenDialog(void)
+{
+ WINDOW *ds_win;
+ ComposeObj *obj = NULL;
+ int n = 0, cancel = FALSE;
+ int max;
+ char title[80];
+
+ /* We need a curses window */
+ if (!(ds_win = openLayoutDialog(ANONFTP_HELPFILE, " Anonymous FTP Configuration ",
+ ANONFTP_DIALOG_X, ANONFTP_DIALOG_Y, ANONFTP_DIALOG_WIDTH, ANONFTP_DIALOG_HEIGHT))) {
+ beep();
+ msgConfirm("Cannot open anonymous ftp dialog window!!");
+ return DITEM_FAILURE;
+ }
+
+ /* Draw a sub-box for the path configuration */
+ draw_box(ds_win, ANONFTP_DIALOG_Y + 7, ANONFTP_DIALOG_X + 8,
+ ANONFTP_DIALOG_HEIGHT - 11, ANONFTP_DIALOG_WIDTH - 17,
+ dialog_attr, border_attr);
+ wattrset(ds_win, dialog_attr);
+ sprintf(title, " Path Configuration ");
+ mvwaddstr(ds_win, ANONFTP_DIALOG_Y + 7, ANONFTP_DIALOG_X + 22, title);
+
+ /** Initialize the config Data Structure **/
+ bzero(&tconf, sizeof(tconf));
+
+ SAFE_STRCPY(tconf.group, FTP_GROUP);
+ SAFE_STRCPY(tconf.upload, FTP_UPLOAD);
+ SAFE_STRCPY(tconf.comment, FTP_COMMENT);
+ SAFE_STRCPY(tconf.homedir, FTP_HOMEDIR);
+ sprintf(tconf.uid, "%d", FTP_UID);
+
+ /* Some more initialisation before we go into the main input loop */
+ obj = initLayoutDialog(ds_win, layout, ANONFTP_DIALOG_X, ANONFTP_DIALOG_Y, &max);
+
+ cancelbutton = okbutton = 0;
+ while (layoutDialogLoop(ds_win, layout, &obj, &n, max, &cancelbutton, &cancel));
+
+ /* Clear this crap off the screen */
+ dialog_clear_norefresh();
+ use_helpfile(NULL);
+
+ if (cancel)
+ return DITEM_FAILURE;
+ return DITEM_SUCCESS;
+}
+
+int
+configAnonFTP(dialogMenuItem *self)
+{
+ int i;
+
+ /* Be optimistic */
+ i = DITEM_SUCCESS;
+
+ dialog_clear_norefresh();
+ i = anonftpOpenDialog();
+ if (DITEM_STATUS(i) != DITEM_SUCCESS) {
+ msgConfirm("Configuration of Anonymous FTP cancelled per user request.");
+ return i | DITEM_RESTORE;
+ }
+
+ /*** Use defaults for any invalid values ***/
+ if (atoi(tconf.uid) <= 0)
+ sprintf(tconf.uid, "%d", FTP_UID);
+
+ if (!tconf.group[0])
+ SAFE_STRCPY(tconf.group, FTP_GROUP);
+
+ if (!tconf.upload[0])
+ SAFE_STRCPY(tconf.upload, FTP_UPLOAD);
+
+ /*** If the user did not specify a directory, use default ***/
+
+ if (tconf.homedir[strlen(tconf.homedir) - 1] == '/')
+ tconf.homedir[strlen(tconf.homedir) - 1] = '\0';
+
+ if (!tconf.homedir[0])
+ SAFE_STRCPY(tconf.homedir, FTP_HOMEDIR);
+
+ /*** If HomeDir does not exist, create it ***/
+
+ if (!directory_exists(tconf.homedir))
+ vsystem("mkdir -p %s", tconf.homedir);
+
+ if (directory_exists(tconf.homedir)) {
+ msgNotify("Configuring %s for use by anon FTP.", tconf.homedir);
+ vsystem("chmod 555 %s && chown root.%s %s", tconf.homedir, tconf.group, tconf.homedir);
+ vsystem("mkdir %s/bin && chmod 555 %s/bin", tconf.homedir, tconf.homedir);
+ vsystem("cp /bin/ls %s/bin && chmod 111 %s/bin/ls", tconf.homedir, tconf.homedir);
+ vsystem("cp /bin/date %s/bin && chmod 111 %s/bin/date", tconf.homedir, tconf.homedir);
+ vsystem("mkdir %s/etc && chmod 555 %s/etc", tconf.homedir, tconf.homedir);
+ vsystem("mkdir -p %s/pub", tconf.homedir);
+ vsystem("mkdir -p %s/%s", tconf.homedir, tconf.upload);
+ vsystem("chmod 1777 %s/%s", tconf.homedir, tconf.upload);
+
+ if (DITEM_STATUS(createFtpUser()) == DITEM_SUCCESS) {
+ msgNotify("Copying password information for anon FTP.");
+ vsystem("cp /etc/pwd.db %s/etc && chmod 444 %s/etc/pwd.db", tconf.homedir, tconf.homedir);
+ vsystem("cp /etc/passwd %s/etc && chmod 444 %s/etc/passwd", tconf.homedir, tconf.homedir);
+ vsystem("cp /etc/group %s/etc && chmod 444 %s/etc/group", tconf.homedir, tconf.homedir);
+ vsystem("chown -R root.%s %s/pub", tconf.group, tconf.homedir);
+ }
+ else {
+ msgConfirm("Unable to create FTP user! Anonymous FTP setup failed.");
+ i = DITEM_FAILURE;
+ }
+
+ if (!msgYesNo("Create a welcome message file for anonymous FTP users?")) {
+ char cmd[256];
+ dialog_clear();
+ vsystem("echo Your welcome message here. > %s/etc/%s", tconf.homedir, MOTD_FILE);
+ sprintf(cmd, "%s %s/etc/%s", variable_get(VAR_EDITOR), tconf.homedir, MOTD_FILE);
+ if (!systemExecute(cmd))
+ i = DITEM_SUCCESS;
+ else
+ i = DITEM_FAILURE;
+ }
+ }
+ else {
+ msgConfirm("Invalid Directory: %s\n"
+ "Anonymous FTP will not be set up.", tconf.homedir);
+ i = DITEM_FAILURE;
+ }
+ if (DITEM_STATUS(i) == DITEM_SUCCESS)
+ variable_set2("anon_ftp", "YES");
+ return i | DITEM_RESTORE;
+}
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