-/*
- * $Id$
- *
- * Citadel setup utility
- *
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <netdb.h>
-#include <errno.h>
-#include <limits.h>
-#include <pwd.h>
-#include <time.h>
-
-#include "citadel.h"
-#include "axdefs.h"
-#include "sysdep.h"
-#include "config.h"
-#include "tools.h"
-#include "citadel_dirs.h"
-
-#ifdef HAVE_NEWT
-#include <newt.h>
-#endif
-
-
-#define MAXSETUP 4 /* How many setup questions to ask */
-
-#define UI_TEXT 0 /* Default setup type -- text only */
-#define UI_DIALOG 2 /* Use the 'dialog' program */
-#define UI_SILENT 3 /* Silent running, for use in scripts */
-#define UI_NEWT 4 /* Use the "newt" window library */
-
-#define SERVICE_NAME "citadel"
-#define PROTO_NAME "tcp"
-#define NSSCONF "/etc/nsswitch.conf"
-
-int setup_type;
-char setup_directory[SIZ];
-char citserver_init_entry[SIZ];
-int using_web_installer = 0;
-int enable_home = 1;
-
-/**
- * We will set have_sysv_init to nonzero if the host operating system
- * has a System V style init driven by /etc/inittab. This will cause
- * setup to offer to automatically start and stop the Citadel service.
- */
-int have_sysv_init = 0;
-
-#ifdef HAVE_LDAP
-void contemplate_ldap(void);
-#endif
-
-char *setup_titles[] =
-{
- "Citadel Home Directory",
- "System Administrator",
- "Citadel User ID",
- "Server IP address",
- "Server port number",
-};
-
-
-struct config config;
-
- /* calculate all our path on a central place */
- /* where to keep our config */
-
-
-char *setup_text[] = {
-#ifndef HAVE_RUN_DIR
-"Enter the full pathname of the directory in which the Citadel\n"
-"installation you are creating or updating resides. If you\n"
-"specify a directory other than the default, you will need to\n"
-"specify the -h flag to the server when you start it up.\n",
-#else
-"Enter the subdirectory name for an alternate installation of "
-"Citadel. To do a default installation just leave it blank."
-"If you specify a directory other than the default, you will need to\n"
-"specify the -h flag to the server when you start it up.\n"
-"note that it may not have a leading /",
-#endif
-
-"Enter the name of the system administrator (which is probably\n"
-"you). When an account is created with this name, it will\n"
-"automatically be given administrator-level access.\n",
-
-"Citadel needs to run under its own user ID. This would\n"
-"typically be called \"citadel\", but if you are running Citadel\n"
-"as a public BBS, you might also call it \"bbs\" or \"guest\".\n"
-"The server will run under this user ID. Please specify that\n"
-"user ID here. You may specify either a user name or a numeric\n"
-"UID.\n",
-
-"Specify the IP address on which your server will run. If you\n"
-"leave this blank, or if you specify 0.0.0.0, Citadel will listen\n"
-"on all addresses. You can usually skip this unless you are\n"
-"running multiple instances of Citadel on the same computer.\n",
-
-"Specify the TCP port number on which your server will run.\n"
-"Normally, this will be port 504, which is the official port\n"
-"assigned by the IANA for Citadel servers. You will only need\n"
-"to specify a different port number if you run multiple instances\n"
-"of Citadel on the same computer and there is something else\n"
-"already using port 504.\n",
-
-};
-
-struct config config;
-int direction;
-
-/*
- * Set an entry in inittab to the desired state
- */
-void set_init_entry(char *which_entry, char *new_state) {
- char *inittab = NULL;
- FILE *fp;
- char buf[SIZ];
- char entry[SIZ];
- char levels[SIZ];
- char state[SIZ];
- char prog[SIZ];
-
- if (which_entry == NULL) return;
- if (strlen(which_entry) == 0) return;
-
- inittab = strdup("");
- if (inittab == NULL) return;
-
- fp = fopen("/etc/inittab", "r");
- if (fp == NULL) return;
-
- while(fgets(buf, sizeof buf, fp) != NULL) {
-
- if (num_tokens(buf, ':') == 4) {
- extract_token(entry, buf, 0, ':', sizeof entry);
- extract_token(levels, buf, 1, ':', sizeof levels);
- extract_token(state, buf, 2, ':', sizeof state);
- extract_token(prog, buf, 3, ':', sizeof prog); /* includes 0x0a LF */
-
- if (!strcmp(entry, which_entry)) {
- strcpy(state, new_state);
- sprintf(buf, "%s:%s:%s:%s",
- entry, levels, state, prog);
- }
- }
-
- inittab = realloc(inittab, strlen(inittab) + strlen(buf) + 2);
- if (inittab == NULL) {
- fclose(fp);
- return;
- }
-
- strcat(inittab, buf);
- }
- fclose(fp);
- fp = fopen("/etc/inittab", "w");
- if (fp != NULL) {
- fwrite(inittab, strlen(inittab), 1, fp);
- fclose(fp);
- kill(1, SIGHUP); /* Tell init to re-read /etc/inittab */
- }
- free(inittab);
-}
-
-
-/*
- * Locate the name of an inittab entry for a specific program
- */
-void locate_init_entry(char *init_entry, char *looking_for) {
-
- FILE *infp;
- char buf[SIZ];
- int have_entry = 0;
- char entry[SIZ];
- char prog[SIZ];
-
- strcpy(init_entry, "");
-
- /* Pound through /etc/inittab line by line. Set have_entry to 1 if
- * an entry is found which we believe starts the specified program.
- */
- infp = fopen("/etc/inittab", "r");
- if (infp == NULL) {
- return;
- } else {
- while (fgets(buf, sizeof buf, infp) != NULL) {
- buf[strlen(buf) - 1] = 0;
- extract_token(entry, buf, 0, ':', sizeof entry);
- extract_token(prog, buf, 3, ':', sizeof prog);
- if (!strncasecmp(prog, looking_for,
- strlen(looking_for))) {
- ++have_entry;
- strcpy(init_entry, entry);
- }
- }
- fclose(infp);
- }
-
-}
-
-
-/*
- * Shut down the Citadel service if necessary, during setup.
- */
-void shutdown_citserver(void) {
- char looking_for[SIZ];
-
- snprintf(looking_for,
- sizeof looking_for,
- "%s/citserver",
-#ifndef HAVE_RUN_DIR
- setup_directory
-#else
- CTDLDIR
-#endif
- );
- locate_init_entry(citserver_init_entry, looking_for);
- if (strlen(citserver_init_entry) > 0) {
- set_init_entry(citserver_init_entry, "off");
- }
-}
-
-
-/*
- * Start the Citadel service.
- */
-void start_citserver(void) {
- if (strlen(citserver_init_entry) > 0) {
- set_init_entry(citserver_init_entry, "respawn");
- }
-}
-
-
-
-void cleanup(int exitcode)
-{
-#ifdef HAVE_NEWT
- newtCls();
- newtRefresh();
- newtFinished();
-#endif
- exit(exitcode);
-}
-
-
-
-void title(char *text)
-{
- if (setup_type == UI_TEXT) {
- printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<%s>\n", text);
- }
-}
-
-
-
-int yesno(char *question)
-{
-#ifdef HAVE_NEWT
- newtComponent form = NULL;
- newtComponent yesbutton = NULL;
- newtComponent nobutton = NULL;
- int prompt_window_height = 0;
-#endif
- int i = 0;
- int answer = 0;
- char buf[SIZ];
-
- switch (setup_type) {
-
- case UI_TEXT:
- do {
- printf("%s\nYes/No --> ", question);
- fgets(buf, sizeof buf, stdin);
- answer = tolower(buf[0]);
- if (answer == 'y')
- answer = 1;
- else if (answer == 'n')
- answer = 0;
- } while ((answer < 0) || (answer > 1));
- break;
-
- case UI_DIALOG:
- sprintf(buf, "exec %s --yesno '%s' 10 72",
- getenv("CTDL_DIALOG"),
- question);
- i = system(buf);
- if (i == 0) {
- answer = 1;
- }
- else {
- answer = 0;
- }
- break;
-
-#ifdef HAVE_NEWT
- case UI_NEWT:
- prompt_window_height = num_tokens(question, '\n') + 5;
- newtCenteredWindow(76, prompt_window_height, "Question");
- form = newtForm(NULL, NULL, 0);
- for (i=0; i<num_tokens(question, '\n'); ++i) {
- extract_token(buf, question, i, '\n', sizeof buf);
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- yesbutton = newtButton(10, (prompt_window_height - 4), "Yes");
- nobutton = newtButton(60, (prompt_window_height - 4), "No");
- newtFormAddComponent(form, yesbutton);
- newtFormAddComponent(form, nobutton);
- if (newtRunForm(form) == yesbutton) {
- answer = 1;
- }
- else {
- answer = 0;
- }
- newtPopWindow();
- newtFormDestroy(form);
-
- break;
-#endif
-
- }
- return (answer);
-}
-
-
-void important_message(char *title, char *msgtext)
-{
-#ifdef HAVE_NEWT
- newtComponent form = NULL;
- int i = 0;
-#endif
- char buf[SIZ];
-
- switch (setup_type) {
-
- case UI_TEXT:
- printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
- printf(" %s \n\n%s\n\n", title, msgtext);
- printf("Press return to continue...");
- fgets(buf, sizeof buf, stdin);
- break;
-
- case UI_DIALOG:
- sprintf(buf, "exec %s --msgbox '%s' 19 72",
- getenv("CTDL_DIALOG"),
- msgtext);
- system(buf);
- break;
-
-#ifdef HAVE_NEWT
- case UI_NEWT:
- newtCenteredWindow(76, 10, title);
- form = newtForm(NULL, NULL, 0);
- for (i=0; i<num_tokens(msgtext, '\n'); ++i) {
- extract_token(buf, msgtext, i, '\n', sizeof buf);
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- newtFormAddComponent(form, newtButton(35, 5, "OK"));
- newtRunForm(form);
- newtPopWindow();
- newtFormDestroy(form);
- break;
-#endif
-
- }
-}
-
-void important_msgnum(int msgnum)
-{
- important_message("Important Message", setup_text[msgnum]);
-}
-
-void display_error(char *error_message)
-{
- important_message("Error", error_message);
-}
-
-void progress(char *text, long int curr, long int cmax)
-{
-#ifdef HAVE_NEWT
-
- /* These variables are static because progress() gets called
- * multiple times during the course of whatever operation is
- * being performed. This makes setup non-threadsafe, but who
- * cares?
- */
- static newtComponent form = NULL;
- static newtComponent scale = NULL;
-#endif
- static long dots_printed = 0L;
- long a = 0;
- static FILE *fp = NULL;
- char buf[SIZ];
-
- switch (setup_type) {
-
- case UI_TEXT:
- if (curr == 0) {
- printf("%s\n", text);
- printf("..........................");
- printf("..........................");
- printf("..........................\r");
- fflush(stdout);
- dots_printed = 0;
- } else if (curr == cmax) {
- printf("\r%79s\n", "");
- } else {
- a = (curr * 100) / cmax;
- a = a * 78;
- a = a / 100;
- while (dots_printed < a) {
- printf("*");
- ++dots_printed;
- fflush(stdout);
- }
- }
- break;
-
- case UI_DIALOG:
- if (curr == 0) {
- sprintf(buf, "exec %s --gauge '%s' 7 72 0",
- getenv("CTDL_DIALOG"),
- text);
- fp = popen(buf, "w");
- if (fp != NULL) {
- fprintf(fp, "0\n");
- fflush(fp);
- }
- }
- else if (curr == cmax) {
- if (fp != NULL) {
- fprintf(fp, "100\n");
- pclose(fp);
- fp = NULL;
- }
- }
- else {
- a = (curr * 100) / cmax;
- if (fp != NULL) {
- fprintf(fp, "%ld\n", a);
- fflush(fp);
- }
- }
- break;
-
-#ifdef HAVE_NEWT
- case UI_NEWT:
- if (curr == 0) {
- newtCenteredWindow(76, 8, text);
- form = newtForm(NULL, NULL, 0);
- scale = newtScale(1, 3, 74, cmax);
- newtFormAddComponent(form, scale);
- newtDrawForm(form);
- newtRefresh();
- }
- if ((curr > 0) && (curr <= cmax)) {
- newtScaleSet(scale, curr);
- newtRefresh();
- }
- if (curr == cmax) {
- newtFormDestroy(form);
- newtPopWindow();
- newtRefresh();
- }
- break;
-#endif
-
- }
-}
-
-
-
-/*
- * check_services_entry() -- Make sure "citadel" is in /etc/services
- *
- */
-void check_services_entry(void)
-{
- int i;
- FILE *sfp;
-
- if (getservbyname(SERVICE_NAME, PROTO_NAME) == NULL) {
- for (i=0; i<=3; ++i) {
- progress("Adding service entry...", i, 3);
- if (i == 0) {
- sfp = fopen("/etc/services", "a");
- if (sfp == NULL) {
- display_error(strerror(errno));
- } else {
- fprintf(sfp, "%s 504/tcp\n",
- SERVICE_NAME);
- fclose(sfp);
- }
- }
- sleep(1);
- }
- }
-}
-
-
-/*
- * Generate a unique entry name for a new inittab entry
- */
-void generate_entry_name(char *entryname) {
- char buf[SIZ];
-
- snprintf(entryname, sizeof entryname, "c0");
- do {
- ++entryname[1];
- if (entryname[1] > '9') {
- entryname[1] = 0;
- ++entryname[0];
- if (entryname[0] > 'z') {
- display_error(
- "Can't generate a unique entry name");
- return;
- }
- }
- snprintf(buf, sizeof buf,
- "grep %s: /etc/inittab >/dev/null 2>&1", entryname);
- } while (system(buf) == 0);
-}
-
-
-
-/*
- * check_inittab_entry() -- Make sure "citadel" is in /etc/inittab
- *
- */
-void check_inittab_entry(void)
-{
- FILE *infp;
- char looking_for[SIZ];
- char question[SIZ];
- char entryname[5];
-
- /* Determine the fully qualified path name of citserver */
- snprintf(looking_for,
- sizeof looking_for,
- "%s/citserver",
-#ifndef HAVE_RUN_DIR
- setup_directory
-#else
- CTDLDIR
-#endif
- );
- locate_init_entry(citserver_init_entry, looking_for);
-
- /* If there's already an entry, then we have nothing left to do. */
- if (strlen(citserver_init_entry) > 0) {
- return;
- }
-
- /* Otherwise, prompt the user to create an entry. */
- if (getenv("CREATE_INITTAB_ENTRY") != NULL) {
- if (strcasecmp(getenv("CREATE_INITTAB_ENTRY"), "yes")) {
- return;
- }
- }
- else {
- snprintf(question, sizeof question,
- "Do you want this computer configured to start the Citadel\n"
- "service automatically? (If you answer yes, an entry in\n"
- "/etc/inittab pointing to %s will be added.)\n",
- looking_for);
- if (yesno(question) == 0) {
- return;
- }
- }
-
- /* Generate a unique entry name for /etc/inittab */
- generate_entry_name(entryname);
-
- /* Now write it out to /etc/inittab */
- infp = fopen("/etc/inittab", "a");
- if (infp == NULL) {
- display_error(strerror(errno));
- } else {
- fprintf(infp, "# Start the Citadel server...\n");
- fprintf(infp, "%s:2345:respawn:%s %s%s -llocal4\n",
- entryname,
- looking_for,
- (enable_home)?"-h":"",
- (enable_home)?setup_directory:"");
- fclose(infp);
- strcpy(citserver_init_entry, entryname);
- }
-}
-
-
-/*
- * On systems which use xinetd, see if we can offer to install Citadel as
- * the default telnet target.
- */
-void check_xinetd_entry(void) {
- char *filename = "/etc/xinetd.d/telnet";
- FILE *fp;
- char buf[SIZ];
- int already_citadel = 0;
-
- fp = fopen(filename, "r+");
- if (fp == NULL) return; /* Not there. Oh well... */
-
- while (fgets(buf, sizeof buf, fp) != NULL) {
- if (strstr(buf, setup_directory) != NULL) already_citadel = 1;
- }
- fclose(fp);
- if (already_citadel) return; /* Already set up this way. */
-
- /* Otherwise, prompt the user to create an entry. */
- if (getenv("CREATE_XINETD_ENTRY") != NULL) {
- if (strcasecmp(getenv("CREATE_XINETD_ENTRY"), "yes")) {
- return;
- }
- }
- else {
- snprintf(buf, sizeof buf,
- "Setup can configure the \"xinetd\" service to automatically\n"
- "connect incoming telnet sessions to Citadel, bypassing the\n"
- "host system login: prompt. Would you like to do this?\n"
- );
- if (yesno(buf) == 0) {
- return;
- }
- }
-
- fp = fopen(filename, "w");
- fprintf(fp,
- "# description: telnet service for Citadel users\n"
- "service telnet\n"
- "{\n"
- " disable = no\n"
- " flags = REUSE\n"
- " socket_type = stream\n"
- " wait = no\n"
- " user = root\n"
- " server = /usr/sbin/in.telnetd\n"
- " server_args = -h -L %s/citadel\n"
- " log_on_failure += USERID\n"
- "}\n",
-#ifndef HAVE_RUN_DIR
- setup_directory
-#else
- RUN_DIR
-#endif
- );
- fclose(fp);
-
- /* Now try to restart the service */
- system("/etc/init.d/xinetd restart >/dev/null 2>&1");
-}
-
-
-
-/*
- * Offer to disable other MTA's
- */
-void disable_other_mta(char *mta) {
- char buf[SIZ];
- FILE *fp;
- int lines = 0;
-
- sprintf(buf, "/bin/ls -l /etc/rc*.d/S*%s 2>/dev/null; "
- "/bin/ls -l /etc/rc.d/rc*.d/S*%s 2>/dev/null",
- mta, mta);
- fp = popen(buf, "r");
- if (fp == NULL) return;
-
- while (fgets(buf, sizeof buf, fp) != NULL) {
- ++lines;
- }
- fclose(fp);
- if (lines == 0) return; /* Nothing to do. */
-
-
- /* Offer to replace other MTA with the vastly superior Citadel :) */
-
- if (getenv("ACT_AS_MTA")) {
- if (strcasecmp(getenv("ACT_AS_MTA"), "yes")) {
- return;
- }
- }
- else {
- snprintf(buf, sizeof buf,
- "You appear to have the \"%s\" email program\n"
- "running on your system. If you want Citadel mail\n"
- "connected with %s, you will have to manually integrate\n"
- "them. It is preferable to disable %s, and use Citadel's\n"
- "SMTP, POP3, and IMAP services.\n\n"
- "May we disable %s so that Citadel has access to ports\n"
- "25, 110, and 143?\n",
- mta, mta, mta, mta
- );
- if (yesno(buf) == 0) {
- return;
- }
- }
-
- sprintf(buf, "for x in /etc/rc*.d/S*%s; do mv $x `echo $x |sed s/S/K/g`; done >/dev/null 2>&1", mta);
- system(buf);
- sprintf(buf, "/etc/init.d/%s stop >/dev/null 2>&1", mta);
- system(buf);
-}
-
-
-
-
-/*
- * Check to see if our server really works. Returns 0 on success.
- */
-int test_server(void) {
- char cmd[256];
- char cookie[256];
- FILE *fp;
- char buf[4096];
- int found_it = 0;
-
- /* Generate a silly little cookie. We're going to write it out
- * to the server and try to get it back. The cookie does not
- * have to be secret ... just unique.
- */
- sprintf(cookie, "--test--%d--", getpid());
-
- sprintf(cmd, "%s/sendcommand %s%s ECHO %s 2>&1",
-#ifndef HAVE_RUN_DIR
- setup_directory,
-#else
- CTDLDIR,
-#endif
- (enable_home)?"-h":"",
- (enable_home)?setup_directory:"",
- cookie);
-
- fp = popen(cmd, "r");
- if (fp == NULL) return(errno);
-
- while (fgets(buf, sizeof buf, fp) != NULL) {
- if ( (buf[0]=='2')
- && (strstr(buf, cookie) != NULL) ) {
- ++found_it;
- }
- }
- pclose(fp);
-
- if (found_it) {
- return(0);
- }
- return(-1);
-}
-
-void strprompt(char *prompt_title, char *prompt_text, char *str)
-{
-#ifdef HAVE_NEWT
- newtComponent form;
- char *result;
- int i;
- int prompt_window_height = 0;
-#endif
- char buf[SIZ];
- char setupmsg[SIZ];
- char dialog_result[PATH_MAX];
- FILE *fp = NULL;
-
- strcpy(setupmsg, "");
-
- switch (setup_type) {
- case UI_TEXT:
- title(prompt_title);
- printf("\n%s\n", prompt_text);
- printf("This is currently set to:\n%s\n", str);
- printf("Enter new value or press return to leave unchanged:\n");
- fgets(buf, sizeof buf, stdin);
- buf[strlen(buf) - 1] = 0;
- if (strlen(buf) != 0)
- strcpy(str, buf);
- break;
-
- case UI_DIALOG:
- CtdlMakeTempFileName(dialog_result, sizeof dialog_result);
- sprintf(buf, "exec %s --inputbox '%s' 19 72 '%s' 2>%s",
- getenv("CTDL_DIALOG"),
- prompt_text,
- str,
- dialog_result);
- system(buf);
- fp = fopen(dialog_result, "r");
- if (fp != NULL) {
- fgets(str, sizeof buf, fp);
- if (str[strlen(str)-1] == 10) {
- str[strlen(str)-1] = 0;
- }
- fclose(fp);
- unlink(dialog_result);
- }
- break;
-
-#ifdef HAVE_NEWT
- case UI_NEWT:
-
- prompt_window_height = num_tokens(prompt_text, '\n') + 5 ;
- newtCenteredWindow(76,
- prompt_window_height,
- prompt_title);
- form = newtForm(NULL, NULL, 0);
- for (i=0; i<num_tokens(prompt_text, '\n'); ++i) {
- extract_token(buf, prompt_text, i, '\n', sizeof buf);
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- newtFormAddComponent(form,
- newtEntry(1,
- (prompt_window_height - 2),
- str,
- 74,
- (const char **) &result,
- NEWT_FLAG_RETURNEXIT)
- );
- newtRunForm(form);
- strcpy(str, result);
-
- newtPopWindow();
- newtFormDestroy(form);
-
-#endif
- }
-}
-
-void set_str_val(int msgpos, char *str) {
- strprompt(setup_titles[msgpos], setup_text[msgpos], str);
-}
-
-
-
-void set_int_val(int msgpos, int *ip)
-{
- char buf[16];
- snprintf(buf, sizeof buf, "%d", (int) *ip);
- set_str_val(msgpos, buf);
- *ip = atoi(buf);
-}
-
-
-void set_char_val(int msgpos, char *ip)
-{
- char buf[16];
- snprintf(buf, sizeof buf, "%d", (int) *ip);
- set_str_val(msgpos, buf);
- *ip = (char) atoi(buf);
-}
-
-
-void set_long_val(int msgpos, long int *ip)
-{
- char buf[16];
- snprintf(buf, sizeof buf, "%ld", *ip);
- set_str_val(msgpos, buf);
- *ip = atol(buf);
-}
-
-
-void edit_value(int curr)
-{
- int i;
- struct passwd *pw;
- char ctdluidname[SIZ];
-
- switch (curr) {
-
- case 1:
- if (getenv("SYSADMIN_NAME")) {
- strcpy(config.c_sysadm, getenv("SYSADMIN_NAME"));
- }
- else {
- set_str_val(curr, config.c_sysadm);
- }
- break;
-
- case 2:
-#ifdef __CYGWIN__
- config.c_ctdluid = 0; /* XXX Windows hack, prob. insecure */
-#else
- i = config.c_ctdluid;
- pw = getpwuid(i);
- if (pw == NULL) {
- set_int_val(curr, &i);
- config.c_ctdluid = i;
- }
- else {
- strcpy(ctdluidname, pw->pw_name);
- set_str_val(curr, ctdluidname);
- pw = getpwnam(ctdluidname);
- if (pw != NULL) {
- config.c_ctdluid = pw->pw_uid;
- }
- else if (atoi(ctdluidname) > 0) {
- config.c_ctdluid = atoi(ctdluidname);
- }
- }
-#endif
- break;
-
- case 3:
- set_str_val(curr, config.c_ip_addr);
- break;
-
- case 4:
- set_int_val(curr, &config.c_port_number);
- break;
-
-
- }
-}
-
-/*
- * (re-)write the config data to disk
- */
-void write_config_to_disk(void)
-{
- FILE *fp;
- int fd;
-
- if ((fd = creat(file_citadel_config, S_IRUSR | S_IWUSR)) == -1) {
- display_error("setup: cannot open citadel.config");
- cleanup(1);
- }
- fp = fdopen(fd, "wb");
- if (fp == NULL) {
- display_error("setup: cannot open citadel.config");
- cleanup(1);
- }
- fwrite((char *) &config, sizeof(struct config), 1, fp);
- fclose(fp);
-}
-
-
-
-
-/*
- * Figure out what type of user interface we're going to use
- */
-int discover_ui(void)
-{
-
- /* Use "dialog" if we have it */
- if (getenv("CTDL_DIALOG") != NULL) {
- return UI_DIALOG;
- }
-
-
-#ifdef HAVE_NEWT
- newtInit();
- newtCls();
- newtDrawRootText(0, 0, "Citadel Setup");
- return UI_NEWT;
-#endif
- return UI_TEXT;
-}
-
-
-
-
-
-/*
- * Strip "db" entries out of /etc/nsswitch.conf
- */
-void fixnss(void) {
- FILE *fp_read;
- int fd_write;
- char buf[256];
- char buf_nc[256];
- char question[512];
- int i;
- int changed = 0;
- int file_changed = 0;
- char new_filename[64];
-
- fp_read = fopen(NSSCONF, "r");
- if (fp_read == NULL) {
- return;
- }
-
- strcpy(new_filename, "/tmp/ctdl_fixnss_XXXXXX");
- fd_write = mkstemp(new_filename);
- if (fd_write < 0) {
- fclose(fp_read);
- return;
- }
-
- while (fgets(buf, sizeof buf, fp_read) != NULL) {
- changed = 0;
- strcpy(buf_nc, buf);
- for (i=0; i<strlen(buf_nc); ++i) {
- if (buf_nc[i] == '#') {
- buf_nc[i] = 0;
- }
- }
- for (i=0; i<strlen(buf_nc); ++i) {
- if (!strncasecmp(&buf_nc[i], "db", 2)) {
- if (i > 0) {
- if ((isspace(buf_nc[i+2])) || (buf_nc[i+2]==0)) {
- changed = 1;
- file_changed = 1;
- strcpy(&buf_nc[i], &buf_nc[i+2]);
- strcpy(&buf[i], &buf[i+2]);
- if (buf[i]==32) {
- strcpy(&buf_nc[i], &buf_nc[i+1]);
- strcpy(&buf[i], &buf[i+1]);
- }
- }
- }
- }
- }
- if (write(fd_write, buf, strlen(buf)) != strlen(buf)) {
- fclose(fp_read);
- close(fd_write);
- unlink(new_filename);
- return;
- }
- }
-
- fclose(fp_read);
-
- if (!file_changed) {
- unlink(new_filename);
- return;
- }
-
- snprintf(question, sizeof question,
- "\n"
- "/etc/nsswitch.conf is configured to use the 'db' module for\n"
- "one or more services. This is not necessary on most systems,\n"
- "and it is known to crash the Citadel server when delivering\n"
- "mail to the Internet.\n"
- "\n"
- "Do you want this module to be automatically disabled?\n"
- "\n"
- );
-
- if (yesno(question)) {
- sprintf(buf, "/bin/mv -f %s %s", new_filename, NSSCONF);
- system(buf);
- }
- unlink(new_filename);
-}
-
-
-
-
-
-
-
-
-int main(int argc, char *argv[])
-{
- int a;
- int curr;
- char aaa[128];
- FILE *fp;
- int old_setup_level = 0;
- int info_only = 0;
- struct utsname my_utsname;
- struct passwd *pw;
- struct hostent *he;
- gid_t gid;
- int relh=0;
- int home=0;
- char relhome[PATH_MAX]="";
- char ctdldir[PATH_MAX]=CTDLDIR;
-
- /* set an invalid setup type */
- setup_type = (-1);
-
- /* Learn whether to skip the auto-service-start questions */
- fp = fopen("/etc/inittab", "r");
- if (fp != NULL) {
- have_sysv_init = 1;
- fclose(fp);
- }
-
- /* Check to see if we're running the web installer */
- if (getenv("CITADEL_INSTALLER") != NULL) {
- using_web_installer = 1;
- }
-
- /* parse command line args */
- for (a = 0; a < argc; ++a) {
- if (!strncmp(argv[a], "-u", 2)) {
- strcpy(aaa, argv[a]);
- strcpy(aaa, &aaa[2]);
- setup_type = atoi(aaa);
- }
- if (!strcmp(argv[a], "-i")) {
- info_only = 1;
- }
- if (!strcmp(argv[a], "-q")) {
- setup_type = UI_SILENT;
- }
- }
-
-
- /* If a setup type was not specified, try to determine automatically
- * the best one to use out of all available types.
- */
- if (setup_type < 0) {
- setup_type = discover_ui();
- }
- if (info_only == 1) {
- important_message("Citadel Setup", CITADEL);
- cleanup(0);
- }
-
- /* Get started in a valid setup directory. */
- strcpy(setup_directory,
-#ifdef HAVE_RUN_DIR
- ""
-#else
- CTDLDIR
-#endif
- );
- if ( (using_web_installer) && (getenv("CITADEL") != NULL) ) {
- strcpy(setup_directory, getenv("CITADEL"));
- }
- else {
- set_str_val(0, setup_directory);
- }
-
- home=(setup_directory[1]!='\0');
- relh=home&(setup_directory[1]!='/');
- if (!relh) {
- safestrncpy(ctdl_home_directory, setup_directory, sizeof ctdl_home_directory);
- }
- else {
- safestrncpy(relhome, ctdl_home_directory, sizeof relhome);
- }
-
- calc_dirs_n_files(relh, home, relhome, ctdldir);
-
- enable_home=(relh|home);
-
- if (home) {
- if (chdir(setup_directory) == 0) {
- strcpy(file_citadel_config, "./citadel.config");
- }
- else {
- important_message("Citadel Setup",
- "The directory you specified does not exist.");
- cleanup(errno);
- }
- }
-
- /* Determine our host name, in case we need to use it as a default */
- uname(&my_utsname);
-
- if (have_sysv_init) {
- /* See if we need to shut down the Citadel service. */
- for (a=0; a<=3; ++a) {
- progress("Shutting down the Citadel service...", a, 3);
- if (a == 0) shutdown_citserver();
- sleep(1);
- }
-
- /* Make sure it's stopped. */
- if (test_server() == 0) {
- important_message("Citadel Setup",
- "The Citadel service is still running.\n"
- "Please stop the service manually and run "
- "setup again.");
- cleanup(1);
- }
- }
-
- /* Now begin. */
- switch (setup_type) {
-
- case UI_TEXT:
- printf("\n\n\n"
- " *** Citadel setup program ***\n\n");
- break;
-
- }
-
- /*
- * What we're going to try to do here is append a whole bunch of
- * nulls to the citadel.config file, so we can keep the old config
- * values if they exist, but if the file is missing or from an
- * earlier version with a shorter config structure, when setup tries
- * to read the old config parameters, they'll all come up zero.
- * The length of the config file will be set to what it's supposed
- * to be when we rewrite it, because we replace the old file with a
- * completely new copy.
- */
- if ((a = open(file_citadel_config, O_WRONLY | O_CREAT | O_APPEND,
- S_IRUSR | S_IWUSR)) == -1) {
- display_error("setup: cannot append citadel.config");
- cleanup(errno);
- }
- fp = fdopen(a, "ab");
- if (fp == NULL) {
- display_error("setup: cannot append citadel.config");
- cleanup(errno);
- }
- for (a = 0; a < sizeof(struct config); ++a)
- putc(0, fp);
- fclose(fp);
-
- /* now we re-open it, and read the old or blank configuration */
- fp = fopen(file_citadel_config, "rb");
- if (fp == NULL) {
- display_error("setup: cannot open citadel.config");
- cleanup(errno);
- }
- fread((char *) &config, sizeof(struct config), 1, fp);
- fclose(fp);
-
- /* set some sample/default values in place of blanks... */
- if (strlen(config.c_nodename) == 0)
- safestrncpy(config.c_nodename, my_utsname.nodename,
- sizeof config.c_nodename);
- strtok(config.c_nodename, ".");
- if (strlen(config.c_fqdn) == 0) {
- if ((he = gethostbyname(my_utsname.nodename)) != NULL)
- safestrncpy(config.c_fqdn, he->h_name,
- sizeof config.c_fqdn);
- else
- safestrncpy(config.c_fqdn, my_utsname.nodename,
- sizeof config.c_fqdn);
- }
- if (strlen(config.c_humannode) == 0)
- strcpy(config.c_humannode, "My System");
- if (strlen(config.c_phonenum) == 0)
- strcpy(config.c_phonenum, "US 800 555 1212");
- if (config.c_initax == 0) {
- config.c_initax = 4;
- }
- if (strlen(config.c_moreprompt) == 0)
- strcpy(config.c_moreprompt, "<more>");
- if (strlen(config.c_twitroom) == 0)
- strcpy(config.c_twitroom, "Trashcan");
- if (strlen(config.c_baseroom) == 0)
- strcpy(config.c_baseroom, BASEROOM);
- if (strlen(config.c_aideroom) == 0)
- strcpy(config.c_aideroom, "Aide");
- if (config.c_port_number == 0) {
- config.c_port_number = 504;
- }
- if (config.c_sleeping == 0) {
- config.c_sleeping = 900;
- }
- if (config.c_ctdluid == 0) {
- pw = getpwnam("citadel");
- if (pw != NULL)
- config.c_ctdluid = pw->pw_uid;
- }
- if (config.c_ctdluid == 0) {
- pw = getpwnam("bbs");
- if (pw != NULL)
- config.c_ctdluid = pw->pw_uid;
- }
- if (config.c_ctdluid == 0) {
- pw = getpwnam("guest");
- if (pw != NULL)
- config.c_ctdluid = pw->pw_uid;
- }
- if (config.c_createax == 0) {
- config.c_createax = 3;
- }
- /*
- * Negative values for maxsessions are not allowed.
- */
- if (config.c_maxsessions < 0) {
- config.c_maxsessions = 0;
- }
- /* We need a system default message expiry policy, because this is
- * the top level and there's no 'higher' policy to fall back on.
- * By default, do not expire messages at all.
- */
- if (config.c_ep.expire_mode == 0) {
- config.c_ep.expire_mode = EXPIRE_MANUAL;
- config.c_ep.expire_value = 0;
- }
-
- /*
- * Default port numbers for various services
- */
- if (config.c_smtp_port == 0) config.c_smtp_port = 25;
- if (config.c_pop3_port == 0) config.c_pop3_port = 110;
- if (config.c_imap_port == 0) config.c_imap_port = 143;
- if (config.c_msa_port == 0) config.c_msa_port = 587;
- if (config.c_smtps_port == 0) config.c_smtps_port = 465;
- if (config.c_pop3s_port == 0) config.c_pop3s_port = 995;
- if (config.c_imaps_port == 0) config.c_imaps_port = 993;
-
- /* Go through a series of dialogs prompting for config info */
- if (setup_type != UI_SILENT) {
- for (curr = 1; curr <= MAXSETUP; ++curr) {
- edit_value(curr);
- }
- }
-
-/***** begin version update section ***** */
- /* take care of any updating that is necessary */
-
- old_setup_level = config.c_setup_level;
-
- if (old_setup_level == 0) {
- goto NEW_INST;
- }
-
- if (old_setup_level < 555) {
- important_message("Citadel Setup",
- "This Citadel installation is too old "
- "to be upgraded.");
- cleanup(1);
- }
- write_config_to_disk();
-
- old_setup_level = config.c_setup_level;
-
- /* end of version update section */
-
-NEW_INST:
- config.c_setup_level = REV_LEVEL;
-
-/******************************************/
-
- write_config_to_disk();
-
- mkdir(ctdl_info_dir, 0700);
- chmod(ctdl_info_dir, 0700);
- chown(ctdl_info_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_bio_dir, 0700);
- chmod(ctdl_bio_dir, 0700);
- chown(ctdl_bio_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_usrpic_dir, 0700);
- chmod(ctdl_usrpic_dir, 0700);
- chown(ctdl_usrpic_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_message_dir, 0700);
- chmod(ctdl_message_dir, 0700);
- chown(ctdl_message_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_hlp_dir, 0700);
- chmod(ctdl_hlp_dir, 0700);
- chown(ctdl_hlp_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_image_dir, 0700);
- chmod(ctdl_image_dir, 0700);
- chown(ctdl_image_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_bb_dir, 0700);
- chmod(ctdl_bb_dir, 0700);
- chown(ctdl_bb_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_file_dir, 0700);
- chmod(ctdl_file_dir, 0700);
- chown(ctdl_file_dir, config.c_ctdluid, -1);
-
- mkdir(ctdl_netcfg_dir, 0700);
- chmod(ctdl_netcfg_dir, 0700);
- chown(ctdl_netcfg_dir, config.c_ctdluid, -1);
-
- /* TODO: where to put this? */
- mkdir("netconfigs", 0700);
- chmod("netconfigs", 0700);
- chown("netconfigs", config.c_ctdluid, -1);
-
- /* Delete files and directories used by older Citadel versions */
- system("exec /bin/rm -fr ./rooms ./chatpipes ./expressmsgs ./sessions 2>/dev/null");
- unlink("citadel.log");
- unlink("weekly");
-
- check_services_entry(); /* Check /etc/services */
-#ifndef __CYGWIN__
- if (have_sysv_init) {
- check_inittab_entry(); /* Check /etc/inittab */
- }
- check_xinetd_entry(); /* Check /etc/xinetd.d/telnet */
-
- /* Offer to disable other MTA's on the system. */
- disable_other_mta("courier-authdaemon");
- disable_other_mta("courier-imap");
- disable_other_mta("courier-imap-ssl");
- disable_other_mta("courier-pop");
- disable_other_mta("courier-pop3");
- disable_other_mta("courier-pop3d");
- disable_other_mta("cyrmaster");
- disable_other_mta("cyrus");
- disable_other_mta("dovecot");
- disable_other_mta("exim");
- disable_other_mta("exim4");
- disable_other_mta("hula");
- disable_other_mta("imapd");
- disable_other_mta("mta");
- disable_other_mta("pop3d");
- disable_other_mta("popd");
- disable_other_mta("postfix");
- disable_other_mta("qmail");
- disable_other_mta("saslauthd");
- disable_other_mta("sendmail");
- disable_other_mta("vmailmgrd");
- disable_other_mta("zimbra");
-#endif
-
- /* Check for the 'db' nss and offer to disable it */
- fixnss();
-
- if ((pw = getpwuid(config.c_ctdluid)) == NULL)
- gid = getgid();
- else
- gid = pw->pw_gid;
-
- progress("Setting file permissions", 0, 4);
- chown(".", config.c_ctdluid, gid);
- sleep(1);
- progress("Setting file permissions", 1, 4);
- chown(file_citadel_config, config.c_ctdluid, gid);
- sleep(1);
- progress("Setting file permissions", 2, 4);
-
- snprintf(aaa, sizeof aaa,
- "%schkpwd",
- ctdl_sbin_dir);
- chown(aaa,0,0); /* config.c_ctdluid, gid); chkpwd needs to be root owned*/
- sleep(1);
- progress("Setting file permissions", 3, 4);
- chmod(aaa, 04755);
-
- sleep(1);
- progress("Setting file permissions", 3, 4);
- chmod(file_citadel_config, S_IRUSR | S_IWUSR);
- sleep(1);
- progress("Setting file permissions", 4, 4);
-
-#ifdef HAVE_LDAP
- /* Contemplate the possibility of auto-configuring OpenLDAP */
- contemplate_ldap();
-#endif
-
- /* See if we can start the Citadel service. */
- if ( (have_sysv_init) && (strlen(citserver_init_entry) > 0) ) {
- for (a=0; a<=3; ++a) {
- progress("Starting the Citadel service...", a, 3);
- if (a == 0) start_citserver();
- sleep(1);
- }
- if (test_server() == 0) {
- important_message("Setup finished",
- "Setup of the Citadel server is complete.\n"
- "If you will be using WebCit, please run its\n"
- "setup program now; otherwise, run './citadel'\n"
- "to log in.\n");
- }
- else {
- important_message("Setup finished",
- "Setup is finished, but the Citadel service "
- "failed to start.\n"
- "Go back and check your configuration.");
- }
- }
- else {
- important_message("Setup finished",
- "Setup is finished. You may now start the server.");
- }
-
- cleanup(0);
- return 0;
-}
-
-
-#ifdef HAVE_LDAP
-/*
- * If we're in the middle of an Easy Install, we might just be able to
- * auto-configure a standalone OpenLDAP server.
- */
-void contemplate_ldap(void) {
- char question[SIZ];
- char slapd_init_entry[SIZ];
- FILE *fp;
-
- /* If conditions are not ideal, give up on this idea... */
- if (!have_sysv_init) return;
- if (using_web_installer == 0) return;
- if (getenv("LDAP_CONFIG") == NULL) return;
- if (getenv("SUPPORT") == NULL) return;
- if (getenv("SLAPD_BINARY") == NULL) return;
- if (getenv("CITADEL") == NULL) return;
-
- /* And if inittab is already starting slapd, bail out... */
- locate_init_entry(slapd_init_entry, getenv("SLAPD_BINARY"));
- if (strlen(slapd_init_entry) > 0) {
- important_message("Citadel Setup",
- "You appear to already have a standalone LDAP "
- "service\nconfigured for use with Citadel. No "
- "changes will be made.\n");
- /* set_init_entry(slapd_init_entry, "off"); */
- return;
- }
-
- /* Generate a unique entry name for slapd if we don't have one. */
- else {
- generate_entry_name(slapd_init_entry);
- }
-
- /* Ask the user if it's ok to set up slapd automatically. */
- snprintf(question, sizeof question,
- "\n"
- "Do you want this computer configured to start a standalone\n"
- "LDAP service automatically? (If you answer yes, a new\n"
- "slapd.conf will be written, and an /etc/inittab entry\n"
- "pointing to %s will be added.)\n"
- "\n",
- getenv("SLAPD_BINARY")
- );
- if (yesno(question) == 0)
- return;
-
- strcpy(config.c_ldap_base_dn, "dc=example,dc=com");
- strprompt("Base DN",
- "\n"
- "Please enter the Base DN for your directory. This will\n"
- "generally be something based on the primary DNS domain in\n"
- "which you receive mail, but it does not have to be. Your\n"
- "LDAP tree will be built using this Distinguished Name.\n"
- "\n",
- config.c_ldap_base_dn
- );
-
- strcpy(config.c_ldap_host, "localhost");
- config.c_ldap_port = 389;
- sprintf(config.c_ldap_bind_dn, "cn=manager,%s", config.c_ldap_base_dn);
-
- /*
- * Generate a bind password. If you're some grey hat hacker who
- * is just dying to get some street cred on Bugtraq, and you think
- * this password generation scheme is too weak, please submit a patch
- * instead of just whining about it, ok?
- */
- sprintf(config.c_ldap_bind_pw, "%d%ld", getpid(), (long)time(NULL));
-
- write_config_to_disk();
-
- fp = fopen(getenv("LDAP_CONFIG"), "w");
- if (fp == NULL) {
- sprintf(question, "\nCannot create %s:\n%s\n\n"
- "Citadel will still function, but you will "
- "not have an LDAP service.\n\n",
- getenv("LDAP_CONFIG"),
- strerror(errno)
- );
- important_message("Error", question);
- return;
- }
-
- fprintf(fp, "include %s/citadel-openldap.schema\n",
- getenv("CITADEL"));
- fprintf(fp, "pidfile %s/openldap-data/slapd.pid\n",
- getenv("CITADEL"));
- fprintf(fp, "argsfile %s/openldap-data/slapd.args\n",
- getenv("CITADEL"));
- fprintf(fp, "allow bind_v2\n"
- "database bdb\n"
- "schemacheck off\n"
- );
- fprintf(fp, "suffix \"%s\"\n", config.c_ldap_base_dn);
- fprintf(fp, "rootdn \"%s\"\n", config.c_ldap_bind_dn);
- fprintf(fp, "rootpw %s\n", config.c_ldap_bind_pw);
- fprintf(fp, "directory %s/openldap-data\n",
- getenv("CITADEL"));
- fprintf(fp, "index objectClass eq\n");
-
- fclose(fp);
-
- /* This is where our OpenLDAP server will keep its data. */
- mkdir("openldap-data", 0700);
-
- /* Now write it out to /etc/inittab.
- * FIXME make it run as some non-root user.
- * The "-d 0" seems superfluous, but it's actually a way to make
- * slapd run in the foreground without spewing messages to the console.
- */
- fp = fopen("/etc/inittab", "a");
- if (fp == NULL) {
- display_error(strerror(errno));
- } else {
- fprintf(fp, "# Start the OpenLDAP server for Citadel...\n");
- fprintf(fp, "%s:2345:respawn:%s -d 0 -f %s\n",
- slapd_init_entry,
- getenv("SLAPD_BINARY"),
- getenv("LDAP_CONFIG")
- );
- fclose(fp);
- }
-
-}
-#endif /* HAVE_LDAP */