* ok, we want the LANG feature. but now we make it dependant on WEBCIT_LANG instead...
[citadel.git] / webcit / setup.c
1 /*
2  * $Id$
3  *
4  * WebCit setup utility
5  * 
6  * (This is basically just an install wizard.  It's not required.)
7  *
8  */
9
10 #include "sysdep.h"
11 #include "webcit.h"
12 #include "webserver.h"
13
14
15 #define UI_TEXT         0       /* Default setup type -- text only */
16 #define UI_DIALOG       2       /* Use the 'dialog' program */
17 #define UI_SILENT       3       /* Silent running, for use in scripts */
18
19 int setup_type;
20 char setup_directory[SIZ];
21 int using_web_installer = 0;
22 char suggested_url[SIZ];
23
24 /* some copies... */
25 int lprintf(int loglevel, const char *format, ...){return 0;}
26 void RegisterNS(const char *NSName, long len, 
27                 int nMinArgs, 
28                 int nMaxArgs, 
29                 WCHandlerFunc HandlerFunc,
30                 int ContextRequired){}
31 pthread_key_t MyConKey;
32
33 #include "wc_gettext.h"
34
35 #ifdef ENABLE_NLS
36
37 #ifdef HAVE_USELOCALE 
38 int localeoffset = 1;
39 #else
40 int localeoffset = 0;
41 #endif
42
43 #endif
44 /*
45  * Delete an entry from /etc/inittab
46  */
47 void delete_init_entry(char *which_entry)
48 {
49         char *inittab = NULL;
50         FILE *fp;
51         char buf[SIZ];
52         char entry[SIZ];
53         char levels[SIZ];
54         char state[SIZ];
55         char prog[SIZ];
56
57         inittab = strdup("");
58         if (inittab == NULL) return;
59
60         fp = fopen("/etc/inittab", "r");
61         if (fp == NULL) return;
62
63         while(fgets(buf, sizeof buf, fp) != NULL) {
64
65                 if (num_tokens(buf, ':') == 4) {
66                         extract_token(entry, buf, 0, ':', sizeof entry);
67                         extract_token(levels, buf, 1, ':', sizeof levels);
68                         extract_token(state, buf, 2, ':', sizeof state);
69                         extract_token(prog, buf, 3, ':', sizeof prog); /* includes 0x0a LF */
70
71                         if (!strcmp(entry, which_entry)) {
72                                 strcpy(state, "off");   /* disable it */
73                         }
74                 }
75
76                 inittab = realloc(inittab, strlen(inittab) + strlen(buf) + 2);
77                 if (inittab == NULL) {
78                         fclose(fp);
79                         return;
80                 }
81                 
82                 strcat(inittab, buf);
83         }
84         fclose(fp);
85         fp = fopen("/etc/inittab", "w");
86         if (fp != NULL) {
87                 fwrite(inittab, strlen(inittab), 1, fp);
88                 fclose(fp);
89                 kill(1, SIGHUP);        /* Tell init to re-read /etc/inittab */
90         }
91         free(inittab);
92 }
93
94
95
96
97 /* 
98  * Remove any /etc/inittab entries for webcit, because we don't
99  * start it that way anymore.
100  */
101 void delete_the_old_way(void) {
102         FILE *infp;
103         char buf[1024];
104         char looking_for[1024];
105         int have_entry = 0;
106         char entry[1024];
107         char prog[1024];
108         char init_entry[1024];
109
110
111         strcpy(init_entry, "");
112
113         /* Determine the fully qualified path name of webcit */
114         snprintf(looking_for, sizeof looking_for, "%s/webcit ", setup_directory);
115
116         /* Pound through /etc/inittab line by line.  Set have_entry to 1 if
117          * an entry is found which we believe starts webcit.
118          */
119         infp = fopen("/etc/inittab", "r");
120         if (infp == NULL) {
121                 return;
122         } else {
123                 while (fgets(buf, sizeof buf, infp) != NULL) {
124                         buf[strlen(buf) - 1] = 0;
125                         extract_token(entry, buf, 0, ':', sizeof entry);
126                         extract_token(prog, buf, 3, ':', sizeof prog);
127                         if (!strncasecmp(prog, looking_for,
128                            strlen(looking_for))) {
129                                 ++have_entry;
130                                 strcpy(init_entry, entry);
131                         }
132                 }
133                 fclose(infp);
134         }
135
136         /* Bail out if there's nothing to do. */
137         if (!have_entry) return;
138
139         delete_init_entry(init_entry);
140 }
141
142
143
144 void cleanup(int exitcode)
145 {
146         exit(exitcode);
147 }
148
149
150
151 void title(char *text)
152 {
153         if (setup_type == UI_TEXT) {
154                 printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<%s>\n", text);
155         }
156 }
157
158
159
160
161 int yesno(char *question, int default_value)
162 {
163         int i = 0;
164         int answer = 0;
165         char buf[SIZ];
166
167         switch (setup_type) {
168
169         case UI_TEXT:
170                 do {
171                         printf("%s\nYes/No [%s] --> ",
172                                 question,
173                                 ( default_value ? "Yes" : "No" )
174                         );
175                         fgets(buf, sizeof buf, stdin);
176                         answer = tolower(buf[0]);
177                         if ((buf[0]==0) || (buf[0]==13) || (buf[0]==10))
178                                 answer = default_value;
179                         else if (answer == 'y')
180                                 answer = 1;
181                         else if (answer == 'n')
182                                 answer = 0;
183                 } while ((answer < 0) || (answer > 1));
184                 break;
185
186         case UI_DIALOG:
187                 sprintf(buf, "exec %s %s --yesno '%s' 15 75",
188                         getenv("CTDL_DIALOG"),
189                         ( default_value ? "" : "--defaultno" ),
190                         question);
191                 i = system(buf);
192                 if (i == 0) {
193                         answer = 1;
194                 }
195                 else {
196                         answer = 0;
197                 }
198                 break;
199
200         }
201         return (answer);
202 }
203
204
205
206
207 void set_value(char *prompt, char str[])
208 {
209         char buf[SIZ];
210         char dialog_result[PATH_MAX];
211         char setupmsg[SIZ];
212         FILE *fp;
213
214         strcpy(setupmsg, "");
215
216         switch (setup_type) {
217         case UI_TEXT:
218                 title("WebCit setup");
219                 printf("\n%s\n", prompt);
220                 printf("This is currently set to:\n%s\n", str);
221                 printf("Enter new value or press return to leave unchanged:\n");
222                 fgets(buf, sizeof buf, stdin);
223                 buf[strlen(buf) - 1] = 0;
224                 if (strlen(buf) != 0)
225                         strcpy(str, buf);
226                 break;
227
228         case UI_DIALOG:
229                 CtdlMakeTempFileName(dialog_result, sizeof dialog_result);
230                 sprintf(buf, "exec %s --inputbox '%s' 19 72 '%s' 2>%s",
231                         getenv("CTDL_DIALOG"),
232                         prompt,
233                         str,
234                         dialog_result);
235                 system(buf);
236                 fp = fopen(dialog_result, "r");
237                 if (fp != NULL) {
238                         fgets(str, sizeof buf, fp);
239                         if (str[strlen(str)-1] == 10) {
240                                 str[strlen(str)-1] = 0;
241                         }
242                         fclose(fp);
243                         unlink(dialog_result);
244                 }
245                 break;
246
247         }
248 }
249
250
251
252 int GetLocalePrefs(void)
253 {
254         StrBuf *Buf;
255         char buf[SIZ];
256         char dialog_result[PATH_MAX];
257         FILE *fp;
258         int i = 0;
259         int offs = 0;
260
261
262         Buf = NewStrBuf();
263
264         StrBufAppendBufPlain(Buf, HKEY("Select the locale webcit should use : \n"), 0);
265 #ifdef HAVE_USELOCALE 
266         StrBufAppendBufPlain(Buf, HKEY(" 0 Let the user select it at the login prompt (default)\n"), 0);
267         offs ++;
268 #endif
269         for (i = 0; i < NUM_LANGS; i++) {
270                 StrBufAppendPrintf(Buf, " %ld: %s\n", i + offs, AvailLang[i]);
271
272         }
273
274         switch (setup_type) {
275         case UI_TEXT:
276                 title("WebCit setup");
277                 printf("\n%s\n", ChrPtr(Buf));
278                 printf("This is currently set to:\n%ld\n", 0L);
279                 printf("Enter new value or press return to leave unchanged:\n");
280                 fgets(buf, sizeof buf, stdin);
281                 return atoi(buf);
282                 break;
283
284         case UI_DIALOG:
285                 CtdlMakeTempFileName(dialog_result, sizeof dialog_result);
286                 sprintf(buf, "exec %s --inputbox '%s' 19 72 '%ld' 2>%s",
287                         getenv("CTDL_DIALOG"),
288                         ChrPtr(Buf),
289                         0L,
290                         dialog_result);
291                 system(buf);
292                 fp = fopen(dialog_result, "r");
293                 if (fp != NULL) {
294                         char *str = &buf[0];
295                         fgets(str, sizeof buf, fp);
296                         if (str[strlen(str)-1] == 10) {
297                                 str[strlen(str)-1] = 0;
298                         }
299                         fclose(fp);
300                         unlink(dialog_result);
301                         return atoi(buf);
302                 }
303                 break;
304
305         }
306         return 0;
307 }
308
309 void important_message(char *title, char *msgtext)
310 {
311         char buf[SIZ];
312
313         switch (setup_type) {
314
315         case UI_TEXT:
316                 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");
317                 printf("       %s \n\n%s\n\n", title, msgtext);
318                 printf("Press return to continue...");
319                 fgets(buf, sizeof buf, stdin);
320                 break;
321
322         case UI_DIALOG:
323                 sprintf(buf, "exec %s --msgbox '%s' 19 72",
324                         getenv("CTDL_DIALOG"),
325                         msgtext);
326                 system(buf);
327                 break;
328         }
329 }
330
331
332 void display_error(char *error_message)
333 {
334         important_message("Error", error_message);
335 }
336
337 void progress(char *text, long int curr, long int cmax)
338 {
339         static long dots_printed = 0L;
340         long a = 0;
341         char buf[SIZ];
342         static FILE *fp = NULL;
343
344         switch (setup_type) {
345
346         case UI_TEXT:
347                 if (curr == 0) {
348                         printf("%s\n", text);
349                         printf("..........................");
350                         printf("..........................");
351                         printf("..........................\r");
352                         fflush(stdout);
353                         dots_printed = 0;
354                 } else if (curr == cmax) {
355                         printf("\r%79s\n", "");
356                 } else {
357                         a = (curr * 100) / cmax;
358                         a = a * 78;
359                         a = a / 100;
360                         while (dots_printed < a) {
361                                 printf("*");
362                                 ++dots_printed;
363                                 fflush(stdout);
364                         }
365                 }
366                 break;
367
368         case UI_DIALOG:
369                 if (curr == 0) {
370                         sprintf(buf, "exec %s --gauge '%s' 7 72 0",
371                                 getenv("CTDL_DIALOG"),
372                                 text);
373                         fp = popen(buf, "w");
374                         if (fp != NULL) {
375                                 fprintf(fp, "0\n");
376                                 fflush(fp);
377                         }
378                 } 
379                 else if (curr == cmax) {
380                         if (fp != NULL) {
381                                 fprintf(fp, "100\n");
382                                 pclose(fp);
383                                 fp = NULL;
384                         }
385                 }
386                 else {
387                         a = (curr * 100) / cmax;
388                         if (fp != NULL) {
389                                 fprintf(fp, "%ld\n", a);
390                                 fflush(fp);
391                         }
392                 }
393                 break;
394         }
395 }
396
397
398
399
400 /*
401  * install_init_scripts()  -- Create and deploy SysV init scripts.
402  *
403  */
404 void install_init_scripts(void)
405 {
406 #ifdef ENABLE_NLS
407         int localechoice;
408 #endif
409         char question[1024];
410         char buf[256];
411         char http_port[128];
412 #ifdef HAVE_OPENSSL
413         char https_port[128];
414 #endif
415         char hostname[128];
416         char portname[128];
417         char command[SIZ];
418         struct utsname my_utsname;
419         struct stat etcinitd;
420         FILE *fp;
421         char *initfile = "/etc/init.d/webcit";
422
423         fp = fopen(initfile, "r");
424         if (fp != NULL) {
425                 if (yesno("WebCit already appears to be configured to start at boot.\n"
426                    "Would you like to keep your boot configuration as is?\n", 1) == 1) {
427                         return;
428                 }
429                 fclose(fp);
430                 
431         }
432
433         /* Otherwise, prompt the user to create an entry. */
434         snprintf(question, sizeof question,
435                 "Would you like to automatically start WebCit at boot?"
436         );
437         if (yesno(question, 1) == 0)
438                 return;
439
440
441 #ifdef ENABLE_NLS
442
443         localechoice = GetLocalePrefs();
444
445 #endif
446         /* Defaults */
447         sprintf(http_port, "2000");
448 #ifdef HAVE_OPENSSL
449         sprintf(https_port, "443");
450 #endif
451         sprintf(hostname, "uds");
452         sprintf(portname, "/usr/local/citadel");
453
454         /* This is a very hackish way of learning the port numbers used
455          * in a previous install, if we are upgrading: read them out of
456          * the existing init script.
457          */
458         if ((stat("/etc/init.d/", &etcinitd) == -1) && 
459             (errno == ENOENT))
460         {
461                 if ((stat("/etc/rc.d/init.d/", &etcinitd) == -1) &&
462                     (errno == ENOENT))
463                         initfile = WEBCITDIR"/webcit.init";
464                 else
465                         initfile = "/etc/rc.d/init.d/webcit";
466         }
467
468         fp = fopen(initfile, "r");
469         if (fp != NULL) {
470                 while (fgets(buf, sizeof buf, fp) != NULL) {
471                         if (strlen(buf) > 0) {
472                                 buf[strlen(buf)-1] = 0; /* strip trailing cr */
473                         }
474                         if (!strncasecmp(buf, "HTTP_PORT=", 10)) {
475                                 safestrncpy(http_port, &buf[10], sizeof http_port);
476                         }
477 #ifdef HAVE_OPENSSL
478                         if (!strncasecmp(buf, "HTTPS_PORT=", 11)) {
479                                 safestrncpy(https_port, &buf[11], sizeof https_port);
480                         }
481 #endif
482                         if (!strncasecmp(buf, "CTDL_HOSTNAME=", 14)) {
483                                 safestrncpy(hostname, &buf[14], sizeof hostname);
484                         }
485                         if (!strncasecmp(buf, "CTDL_PORTNAME=", 14)) {
486                                 safestrncpy(portname, &buf[14], sizeof portname);
487                         }
488                 }
489                 fclose(fp);
490         }
491
492         /* Now ask for the port numbers */
493         snprintf(question, sizeof question,
494                 "On which port do you want WebCit to listen for HTTP "
495                 "requests?\n\nYou can use the standard port (80) if you are "
496                 "not running another\nweb server (such as Apache), otherwise "
497                 "select another port.");
498         set_value(question, http_port);
499         uname(&my_utsname);
500         sprintf(suggested_url, "http://%s:%s/", my_utsname.nodename, http_port);
501
502 #ifdef HAVE_OPENSSL
503         snprintf(question, sizeof question,
504                 "On which port do you want WebCit to listen for HTTPS "
505                 "requests?\n\nYou can use the standard port (443) if you are "
506                 "not running another\nweb server (such as Apache), otherwise "
507                 "select another port.");
508         set_value(question, https_port);
509 #endif
510
511         /* Find out where Citadel is. */
512         if ( (using_web_installer) && (getenv("CITADEL") != NULL) ) {
513                 strcpy(hostname, "uds");
514                 strcpy(portname, getenv("CITADEL"));
515         }
516         else {
517                 snprintf(question, sizeof question,
518                         "Is the Citadel service running on the same host as WebCit?");
519                 if (yesno(question, ((!strcasecmp(hostname, "uds")) ? 1 : 0))) {
520                         strcpy(hostname, "uds");
521                         if (atoi(portname) != 0) strcpy(portname, "/usr/local/citadel");
522                         set_value("In what directory is Citadel installed?", portname);
523                 }
524                 else {
525                         if (!strcasecmp(hostname, "uds")) strcpy(hostname, "127.0.0.1");
526                         if (atoi(portname) == 0) strcpy(portname, "504");
527                         set_value("Enter the host name or IP address of your "
528                                 "Citadel server.", hostname);
529                         set_value("Enter the port number on which Citadel is "
530                                 "running (usually 504)", portname);
531                 }
532         }
533
534
535         fp = fopen(initfile, "w");
536
537         fprintf(fp,     "#!/bin/sh\n"
538                         "\n"
539                         "WEBCIT_DIR=%s\n", setup_directory);
540         fprintf(fp,     "HTTP_PORT=%s\n", http_port);
541 #ifdef HAVE_OPENSSL
542         fprintf(fp,     "HTTPS_PORT=%s\n", https_port);
543 #endif
544         fprintf(fp,     "CTDL_HOSTNAME=%s\n", hostname);
545         fprintf(fp,     "CTDL_PORTNAME=%s\n", portname);
546
547 #ifdef ENABLE_NLS
548         
549         if (localechoice == 0) {
550 #ifdef HAVE_USELOCALE 
551                 fprintf(fp, "unset LANG\n");
552 #else
553                 fprintf(fp, "export WEBCIT_LANG=c\n");
554 #endif
555         }
556         else {
557                 fprintf(fp, "export WEBCIT_LANG=%s\n", AvailLang[localechoice - localeoffset]);
558
559         }
560 #else
561         fprintf(fp,     "# your system doesn't support locales\n");
562 #endif
563         fprintf(fp,     "\n"
564                         "\n"
565                         "case \"$1\" in\n"
566                         "\n"
567                         "start)         echo -n \"Starting WebCit... \"\n"
568                         "               if   $WEBCIT_DIR/webcit "
569                                                         "-D/var/run/webcit.pid "
570                                                         "-p$HTTP_PORT $CTDL_HOSTNAME $CTDL_PORTNAME\n"
571                         "               then\n"
572                         "                       echo \"ok\"\n"
573                         "               else\n"
574                         "                       echo \"failed\"\n"
575                         "               fi\n");
576 #ifdef HAVE_OPENSSL
577         fprintf(fp,     "               echo -n \"Starting WebCit SSL... \"\n"
578                         "               if  $WEBCIT_DIR/webcit "
579                                                         "-D/var/run/webcit-ssl.pid "
580                                                         "-s -p$HTTPS_PORT $CTDL_HOSTNAME $CTDL_PORTNAME\n"
581                         "               then\n"
582                         "                       echo \"ok\"\n"
583                         "               else\n"
584                         "                       echo \"failed\"\n"
585                         "               fi\n");
586 #endif
587         fprintf(fp,     "               ;;\n"
588                         "stop)          echo -n \"Stopping WebCit... \"\n"
589                         "               if kill `cat /var/run/webcit.pid 2>/dev/null` 2>/dev/null\n"
590                         "               then\n"
591                         "                       echo \"ok\"\n"
592                         "               else\n"
593                         "                       echo \"failed\"\n"
594                         "               fi\n"
595                         "               rm -f /var/run/webcit.pid 2>/dev/null\n");
596 #ifdef HAVE_OPENSSL
597         fprintf(fp,     "               echo -n \"Stopping WebCit SSL... \"\n"
598                         "               if kill `cat /var/run/webcit-ssl.pid 2>/dev/null` 2>/dev/null\n"
599                         "               then\n"
600                         "                       echo \"ok\"\n"
601                         "               else\n"
602                         "                       echo \"failed\"\n"
603                         "               fi\n"
604                         "               rm -f /var/run/webcit-ssl.pid 2>/dev/null\n");
605 #endif
606         fprintf(fp,     "               ;;\n"
607                         "restart)       $0 stop\n"
608                         "               $0 start\n"
609                         "               ;;\n"
610                         "*)             echo \"Usage: $0 {start|stop|restart}\"\n"
611                         "               exit 1\n"
612                         "               ;;\n"
613                         "esac\n"
614         );
615
616         fclose(fp);
617         chmod(initfile, 0755);
618
619         /* Set up the run levels. */
620         system("/bin/rm -f /etc/rc?.d/[SK]??webcit 2>/dev/null");
621         snprintf(command, sizeof(command), "for x in 2 3 4 5 ; do [ -d /etc/rc$x.d ] && ln -s %s /etc/rc$x.d/S84webcit ; done 2>/dev/null", initfile);
622         system(command);
623         snprintf(command, sizeof(command), "for x in 0 6 S; do [ -d /etc/rc$x.d ] && ln -s %s /etc/rc$x.d/K15webcit ; done 2>/dev/null", initfile);
624         system(command);
625
626 }
627
628
629
630
631 /*
632  * Figure out what type of user interface we're going to use
633  */
634 int discover_ui(void)
635 {
636
637         /* Use "dialog" if we have it */
638         if (getenv("CTDL_DIALOG") != NULL) {
639                 return UI_DIALOG;
640         }
641                 
642         return UI_TEXT;
643 }
644
645
646
647
648
649 int main(int argc, char *argv[])
650 {
651         int a;
652         char aaa[256];
653         int info_only = 0;
654         strcpy(suggested_url, "http://<your_host_name>:<port>/");
655
656         /* set an invalid setup type */
657         setup_type = (-1);
658
659         /* Check to see if we're running the web installer */
660         if (getenv("CITADEL_INSTALLER") != NULL) {
661                 using_web_installer = 1;
662         }
663
664         /* parse command line args */
665         for (a = 0; a < argc; ++a) {
666                 if (!strncmp(argv[a], "-u", 2)) {
667                         strcpy(aaa, argv[a]);
668                         strcpy(aaa, &aaa[2]);
669                         setup_type = atoi(aaa);
670                 }
671                 if (!strcmp(argv[a], "-i")) {
672                         info_only = 1;
673                 }
674                 if (!strcmp(argv[a], "-q")) {
675                         setup_type = UI_SILENT;
676                 }
677         }
678
679
680         /* If a setup type was not specified, try to determine automatically
681          * the best one to use out of all available types.
682          */
683         if (setup_type < 0) {
684                 setup_type = discover_ui();
685         }
686         if (info_only == 1) {
687                 important_message("WebCit Setup", "Welcome to WebCit setup");
688                 cleanup(0);
689         }
690
691         /* Get started in a valid setup directory. */
692         strcpy(setup_directory, WEBCITDIR);
693         if ( (using_web_installer) && (getenv("WEBCIT") != NULL) ) {
694                 strcpy(setup_directory, getenv("WEBCIT"));
695         }
696         else {
697                 set_value("In what directory is WebCit installed?",
698                         setup_directory);
699         }
700         if (chdir(setup_directory) != 0) {
701                 important_message("WebCit Setup",
702                           "The directory you specified does not exist.");
703                 cleanup(errno);
704         }
705
706         /*
707          * We used to start WebCit by putting it directly into /etc/inittab.
708          * Since some systems are moving away from init, we can't do this anymore.
709          */
710         progress("Removing obsolete /etc/inittab entries...", 0, 1);
711         delete_the_old_way();
712         progress("Removing obsolete /etc/inittab entries...", 1, 1);
713
714         /* Now begin. */
715         switch (setup_type) {
716
717         case UI_TEXT:
718                 printf("\n\n\n"
719                         "               *** WebCit setup program ***\n\n");
720                 break;
721
722         }
723
724         /* 
725          * If we're running on SysV, install init scripts.
726          */
727         if (!access("/var/run", W_OK)) {
728                 install_init_scripts();
729
730                 if (!access("/etc/init.d/webcit", X_OK)) {
731                         system("/etc/init.d/webcit stop");
732                         system("/etc/init.d/webcit start");
733                 }
734
735                 sprintf(aaa,
736                         "Setup is finished.  You may now log in.\n"
737                         "Point your web browser at %s\n", suggested_url
738                 );
739                 important_message("Setup finished", aaa);
740         }
741
742         else {
743                 important_message("Setup finished",
744                         "Setup is finished.  You may now start the server.");
745         }
746
747         cleanup(0);
748         return 0;
749 }