+++ /dev/null
-/*
- * $Id$
- *
- * WebCit 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 "webcit.h"
-
-#ifdef HAVE_NEWT
-#include <newt.h>
-#endif
-
-
-#define UI_TEXT 0 /* Default setup type -- text only */
-#define UI_SILENT 3 /* Silent running, for use in scripts */
-#define UI_NEWT 4 /* Use the "newt" window library */
-
-int setup_type;
-char setup_directory[SIZ];
-char init_entry[SIZ];
-
-
-/*
- * 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];
-
- 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, ':');
- extract_token(levels, buf, 1, ':');
- extract_token(state, buf, 2, ':');
- extract_token(prog, buf, 3, ':'); /* 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);
-}
-
-
-
-
-/*
- * Shut down the Citadel service if necessary, during setup.
- */
-void shutdown_service(void) {
- FILE *infp;
- char buf[SIZ];
- char looking_for[SIZ];
- int have_entry = 0;
- char entry[SIZ];
- char prog[SIZ];
-
- strcpy(init_entry, "");
-
- /* Determine the fully qualified path name of citserver */
- snprintf(looking_for, sizeof looking_for, "%s/citserver ", WEBCITDIR);
-
- /* Pound through /etc/inittab line by line. Set have_entry to 1 if
- * an entry is found which we believe starts citserver.
- */
- 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, ':');
- extract_token(prog, buf, 3, ':');
- if (!strncasecmp(prog, looking_for,
- strlen(looking_for))) {
- ++have_entry;
- strcpy(init_entry, entry);
- }
- }
- fclose(infp);
- }
-
- /* Bail out if there's nothing to do. */
- if (!have_entry) return;
-
- set_init_entry(init_entry, "off");
-}
-
-
-/*
- * Start the Citadel service.
- */
-void start_the_service(void) {
- if (strlen(init_entry) > 0) {
- set_init_entry(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 i = 0;
-#endif
- 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;
-
-#ifdef HAVE_NEWT
- case UI_NEWT:
- newtCenteredWindow(76, 10, "Question");
- form = newtForm(NULL, NULL, 0);
- for (i=0; i<num_tokens(question, '\n'); ++i) {
- extract_token(buf, question, i, '\n');
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- yesbutton = newtButton(10, 5, "Yes");
- nobutton = newtButton(60, 5, "No");
- newtFormAddComponent(form, yesbutton);
- newtFormAddComponent(form, nobutton);
- if (newtRunForm(form) == yesbutton) {
- answer = 1;
- }
- else {
- answer = 0;
- }
- newtPopWindow();
- newtFormDestroy(form);
-
- break;
-#endif
-
- }
- return (answer);
-}
-
-void set_value(char *prompt, char str[])
-{
-#ifdef HAVE_NEWT
- newtComponent form;
- char *result;
- int i;
-#endif
- char buf[SIZ];
- char tempfile[PATH_MAX];
- char setupmsg[SIZ];
-
- strcpy(tempfile, tmpnam(NULL));
- strcpy(setupmsg, "");
-
- switch (setup_type) {
- case UI_TEXT:
- title("WebCit setup");
- printf("\n%s\n", prompt);
- 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;
-#ifdef HAVE_NEWT
- case UI_NEWT:
-
- newtCenteredWindow(76, 10, "WebCit setup");
- form = newtForm(NULL, NULL, 0);
- for (i=0; i<num_tokens(prompt, '\n'); ++i) {
- extract_token(buf, prompt, i, '\n');
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- newtFormAddComponent(form, newtEntry(1, 8, str, 74, &result,
- NEWT_FLAG_RETURNEXIT));
- newtRunForm(form);
- strcpy(str, result);
-
- newtPopWindow();
- newtFormDestroy(form);
-
-#endif
- }
-}
-
-
-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;
-
-#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');
- newtFormAddComponent(form, newtLabel(1, 1+i, buf));
- }
- newtFormAddComponent(form, newtButton(35, 5, "OK"));
- newtRunForm(form);
- newtPopWindow();
- newtFormDestroy(form);
- break;
-#endif
-
- }
-}
-
-
-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;
-
- 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;
-
-#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_inittab_entry() -- Make sure "webserver" is in /etc/inittab
- *
- */
-void check_inittab_entry(void)
-{
- FILE *infp;
- char buf[SIZ];
- char looking_for[SIZ];
- char question[128];
- char entryname[5];
- char listenport[128];
- char hostname[128];
- char portname[128];
-
- /* Determine the fully qualified path name of citserver */
- snprintf(looking_for, sizeof looking_for, "%s/webserver ", WEBCITDIR);
-
- /* If there's already an entry, then we have nothing left to do. */
- if (strlen(init_entry) > 0) {
- return;
- }
-
- /* Otherwise, prompt the user to create an entry. */
- snprintf(question, sizeof question,
- "There is no '%s' entry in /etc/inittab.\n"
- "Would you like to add one?",
- looking_for);
- if (yesno(question) == 0)
- return;
-
- snprintf(question, sizeof question,
- "On which port do you want WebCit to listen for HTTP "
- "requests?\n\nYou can use the standard port (80) if you are "
- "not running another web server\n(such as Apache), otherwise "
- "select another port.");
- sprintf(listenport, "2000");
- set_value(question, listenport);
-
- /* Find out where Citadel is. */
- snprintf(question, sizeof question,
- "Is the Citadel service running on the same host as WebCit?");
- if (yesno(question)) {
- sprintf(hostname, "uds");
- sprintf(portname, "/usr/local/citadel");
- set_value("In what directory is Citadel installed?", portname);
- }
- else {
- sprintf(hostname, "127.0.0.1");
- sprintf(portname, "504");
- set_value("Enter the host name or IP address of your "
- "Citadel server.", hostname);
- set_value("Enter the port number on which Citadel is "
- "running (usually 504)", portname);
- }
-
- /* Generate a unique entry name for /etc/inittab */
- 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);
-
- /* Now write it out to /etc/inittab */
- infp = fopen("/etc/inittab", "a");
- if (infp == NULL) {
- display_error(strerror(errno));
- } else {
- fprintf(infp, "# Start the WebCit server...\n");
- fprintf(infp, "%s:2345:respawn:%s %s %s\n",
- entryname, looking_for, hostname, portname);
- fclose(infp);
- strcpy(init_entry, entryname);
- }
-}
-
-
-
-
-/*
- * Check to see if our server really works. Returns 0 on success.
- */
-int test_server(void) {
-
- return 0; /* FIXME ... stubbed out */
-
-}
-
-
-
-
-/*
- * Figure out what type of user interface we're going to use
- */
-int discover_ui(void)
-{
-
-#ifdef HAVE_NEWT
- newtInit();
- newtCls();
- newtDrawRootText(0, 0, "WebCit Setup");
- return UI_NEWT;
-#endif
- return UI_TEXT;
-}
-
-
-
-
-
-int main(int argc, char *argv[])
-{
- int a;
- char aaa[128];
- int info_only = 0;
-
- /* set an invalid setup type */
- setup_type = (-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("WebCit Setup", "Welcome to WebCit setup");
- cleanup(0);
- }
-
- /* Get started in a valid setup directory. */
- strcpy(setup_directory, WEBCITDIR);
- set_value("FIXME enter your setup directory, dumbass.",
- setup_directory);
- if (chdir(setup_directory) != 0) {
- important_message("WebCit Setup",
- "The directory you specified does not exist.");
- cleanup(errno);
- }
-
- /* See if we need to shut down the WebCit service. */
- for (a=0; a<=3; ++a) {
- progress("Shutting down the WebCit service...", a, 3);
- if (a == 0) shutdown_service();
- sleep(1);
- }
-
- /* Make sure it's stopped. FIXME put back in
- if (test_server() == 0) {
- important_message("WebCit Setup",
- "The WebCit 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"
- " *** WebCit setup program ***\n\n");
- break;
-
- }
-
- check_inittab_entry(); /* Check /etc/inittab */
-
- /* See if we can start the WebCit service. */
- if (strlen(init_entry) > 0) {
- for (a=0; a<=3; ++a) {
- progress("Starting the WebCit service...", a, 3);
- if (a == 0) start_the_service();
- sleep(1);
- }
- if (test_server() == 0) {
- important_message("Setup finished",
- "Setup is finished. You may now log in.");
- }
- else {
- important_message("Setup finished",
- "Setup is finished, but the WebCit 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;
-}
projects / citadel.git / blobdiff