Annotation of freem/src/mumps.c, revision 1.20
1.1 snw 1: /*
1.20 ! snw 2: * $Id: mumps.c,v 1.19 2025/04/10 01:24:38 snw Exp $
1.1 snw 3: * main module of freem
4: *
5: *
1.3 snw 6: * Author: Serena Willis <snw@coherent-logic.com>
1.1 snw 7: * Copyright (C) 1998 MUG Deutschland
1.4 snw 8: * Copyright (C) 2020, 2025 Coherent Logic Development LLC
1.1 snw 9: *
10: *
11: * This file is part of FreeM.
12: *
13: * FreeM is free software: you can redistribute it and/or modify
14: * it under the terms of the GNU Affero Public License as published by
15: * the Free Software Foundation, either version 3 of the License, or
16: * (at your option) any later version.
17: *
18: * FreeM is distributed in the hope that it will be useful,
19: * but WITHOUT ANY WARRANTY; without even the implied warranty of
20: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21: * GNU Affero Public License for more details.
22: *
23: * You should have received a copy of the GNU Affero Public License
24: * along with FreeM. If not, see <https://www.gnu.org/licenses/>.
25: *
1.5 snw 26: * $Log: mumps.c,v $
1.20 ! snw 27: * Revision 1.19 2025/04/10 01:24:38 snw
! 28: * Remove C++ style comments
! 29: *
1.19 snw 30: * Revision 1.18 2025/04/09 19:52:02 snw
31: * Eliminate as many warnings as possible while building with -Wall
32: *
1.18 snw 33: * Revision 1.17 2025/04/04 21:28:16 snw
34: * Remove custom_user and custom_group vars from freem and shed privileges per environment catalog settings
35: *
1.17 snw 36: * Revision 1.16 2025/04/04 19:43:18 snw
37: * Switch to using environment catalog to determine user and group for environment, and remove -u and -g flags from freem
38: *
1.16 snw 39: * Revision 1.15 2025/04/03 20:48:14 snw
40: * Improve daemon error diagnostics and bump to 0.63.0-rc3
41: *
1.15 snw 42: * Revision 1.14 2025/04/02 04:50:49 snw
43: * Allow vendor routines to be upgraded
44: *
1.14 snw 45: * Revision 1.13 2025/04/02 03:26:22 snw
46: * Don't corrupt the terminal if FreeM runs before fmadm configure has been run
47: *
1.13 snw 48: * Revision 1.12 2025/04/02 02:16:27 snw
49: * Add fmadm status environment command and move journals to a better location
50: *
1.12 snw 51: * Revision 1.11 2025/04/01 23:21:45 snw
52: * fmadm commands for stopping, starting, and restarting environments now functional
53: *
1.11 snw 54: * Revision 1.10 2025/04/01 20:11:46 snw
55: * Further work on fmadm
56: *
1.10 snw 57: * Revision 1.9 2025/03/31 20:01:13 snw
58: * Set d_uid in daemon
59: *
1.9 snw 60: * Revision 1.8 2025/03/24 16:10:48 snw
61: * Print error message and exit on OS/2 if daemon is run without --nofork
62: *
1.8 snw 63: * Revision 1.7 2025/03/24 16:07:55 snw
64: * Force daemon into foreground on OS/2
65: *
1.7 snw 66: * Revision 1.6 2025/03/24 16:04:49 snw
67: * Force daemon into foreground on OS/2
68: *
1.6 snw 69: * Revision 1.5 2025/03/22 21:44:32 snw
70: * Make the startup messages fewer and add environment name to direct-mode prompt
71: *
1.5 snw 72: * Revision 1.4 2025/03/09 19:50:47 snw
73: * Second phase of REUSE compliance and header reformat
74: *
1.4 snw 75: *
76: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
77: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 78: **/
79:
1.16 snw 80: #define _GNU_SOURCE
1.1 snw 81: #include <stdlib.h>
82: #include <stddef.h>
83: #include "mpsdef.h"
84: #include "errmsg.h"
85: #include "iniconf.h"
86: #include "namespace.h"
87: #include "transact.h"
88: #include "init.h"
89: #include "consttbl.h"
90: #include <setjmp.h>
91: #include <stdio.h>
92: #include <signal.h>
93: #include <time.h>
94: #include <unistd.h>
95: #include <sys/types.h>
96: #include <sys/wait.h>
97: #include <sys/stat.h>
98: #include <limits.h>
99: #include <sys/types.h>
100: #include <pwd.h>
101: #include <string.h>
102: #include <fcntl.h>
103: #include "version.h"
104: #include "shmmgr.h"
105: #include "jobtab.h"
106: #include <errno.h>
107: #include <pwd.h>
108: #include <grp.h>
109:
110:
111: #if defined(HAVE_GETOPT_H)
112: # include <getopt.h>
113: #endif
114:
115: #if !defined(PATH_MAX) && defined(_SCO_DS)
116: # define PATH_MAX 1024
117: #endif
118:
119: extern int xecline(int typ);
120: extern char *getenv(const char *name);
121: void freem_usage(void);
122: void freem_print_version(void);
123: void init_ztrap(void);
124: void m_log (int, const char *);
125:
126: int main (int argc, char **argv, char **envp)
127: {
128: pid_t fork_pid = 0;
129: short dx_mode = 0;
130:
131: int c;
132: int import_env = FALSE;
133: short skip_init = 0;
134:
135: int option_index = 0;
136:
1.13 snw 137: char fm_initialized = FALSE;
138:
1.1 snw 139: char dx_mcode[512];
140: char startup_routine[256];
141: short routine_mode;
142: char m_dialect[50];
143:
144: char nsnbuf[256];
145:
146: char d_username[40];
147: char d_groupname[40];
148: struct group *d_grp;
149: struct passwd *d_user;
150: gid_t d_gid;
151: uid_t d_uid;
152:
153: #if defined(HAVE_GETOPT_LONG)
154: struct option long_options[] = {
155: {"help", no_argument, 0, 'h'},
156: {"filter", no_argument, &frm_filter, TRUE},
157: {"standard", required_argument, 0, 's'},
158: {"import", no_argument, &import_env, TRUE},
159: {"quiet", no_argument, &quiet_mode, TRUE},
160: {"restricted", no_argument, &restricted_mode, TRUE},
161: {"routine", required_argument, 0, 'r'},
162: {"namespace", required_argument, 0, 'n'},
163: {"environment", required_argument, 0, 'e'},
164: {"version", no_argument, 0, 'v'},
165: {"execute", required_argument, 0, 'x'},
166: {"daemon", no_argument, 0, 'd'},
167: {"nofork", no_argument, 0, 'k'},
168: {"shmsize", required_argument, 0, 'S'},
169: {"user", required_argument, 0, 'u'},
170: {"group", required_argument, 0, 'g'},
171: {0, 0, 0, 0}
172: };
173: #endif
174:
175: char **env;
176: char *varname = (char *) calloc(STRLEN, sizeof(char));
177: char *varval = (char *) calloc(STRLEN, sizeof(char));
178:
179: char *symname = (char *) calloc(STRLEN, sizeof(char));
180: char *symval = (char *) calloc(STRLEN, sizeof(char));
1.18 snw 181:
1.1 snw 182: char cli_rtn_path[PATH_MAX] = {0};
183: char *cli_rtn_file;
184: char cli_rtn_name[256];
185:
1.16 snw 186: char env_ena[25];
187:
1.1 snw 188: routine_mode = FALSE;
189: strcpy (m_dialect, "FREEM");
190:
191: m_argc = argc; /* save arguments count */
192: m_argv = argv; /* save arguments string */
193: m_envp = envp; /* save environment pointer */
194:
195: strncpy (shm_env, "DEFAULT", 8); /* establish default environment name */
196:
197: strncpy (d_username, "freem", 40);
198: strncpy (d_groupname, "freem", 40);
199:
200: strcpy (zb, argv[0]); /* name with which mumps has been called */
201: stcnv_c2m (zb);
202: strcpy (stack0, argv[0]);
203: stcnv_c2m (stack0);
204:
205:
206: /* strncpy (config_file, SYSCONFDIR"/freem.conf", 100); */
207:
208:
209:
210: #if defined(HAVE_GETOPT_LONG)
211:
212: extern char *optarg;
213: extern int optind, optopt;
214:
215: while (1) {
216:
1.16 snw 217: c = getopt_long (argc, argv, "hsfiqRr:n:e:vx:dkpS", long_options, &option_index);
1.1 snw 218:
219: if (c == -1) break;
220: if (c == '?') freem_usage ();
221:
222: switch (c) {
223: case 'h':
224: freem_usage ();
225: break;
226:
227: case 'f':
228: frm_filter = TRUE;
229: break;
230:
231: case 'i':
232: import_env = TRUE;
233: break;
234:
235: case 'q':
236: quiet_mode = TRUE;
237: break;
238:
239: case 'e': /* specify FreeM environment */
1.19 snw 240: strncpy (shm_env, optarg, sizeof (shm_env) - 1);
1.1 snw 241: break;
242:
243: case 'R':
244: restricted_mode = TRUE;
245: break;
246:
247: case 'r': /* startup routine */
248: direct_mode = FALSE;
249: usermode = 0;
250:
251: strcpy (startup_routine, optarg);
252: startup_routine[strlen (startup_routine)] = '\201';
253:
254: routine_mode = TRUE;
255: break;
256:
257: case 'n': /* namespace */
258: {
259: if (validate_namespace (optarg) == TRUE) {
260: strcpy (nsname, optarg);
261: }
262: else {
263: fprintf (stderr, "freem: invalid namespace '%s'\n", optarg);
264: exit (1);
265: }
266:
267: break;
268: }
269: case 'v': /* version */
270: freem_print_version ();
271: break;
272:
273: case 'x': /* execute */
274: direct_mode = FALSE;
275: usermode = 0;
276: dx_mode = 1;
277:
278: strncpy (dx_mcode, optarg, 512 - 1);
279:
280: stcnv_c2m (dx_mcode);
281:
282: break;
283:
284: case 's': /* --standard */
285:
286: if (strcmp (optarg, "M77") == 0) {
287: standard = D_M77;
288: strcpy (m_dialect, "M 1977");
289: }
290: else if (strcmp (optarg, "M84") == 0) {
291: standard = D_M84;
292: strcpy (m_dialect, "M 1984");
293: }
294: else if (strcmp (optarg, "M90") == 0) {
295: standard = D_M90;
296: strcpy (m_dialect, "M 1990");
297: }
298: else if (strcmp (optarg, "M95") == 0) {
299: standard = D_M95;
300: strcpy (m_dialect, "M 1995");
301: }
302: else if (strcmp (optarg, "MDS") == 0) {
303: standard = D_MDS;
304: strcpy (m_dialect, "Millennium Draft Standard");
305: }
306: else if (strcmp (optarg, "M5") == 0) {
307: standard = D_M5;
308: strcpy (m_dialect, "M5");
309: }
310: else if (strcmp (optarg, "FREEM") == 0) {
311: standard = D_FREEM;
312: strcpy (m_dialect, "FREEM");
313: }
314: else {
315: freem_usage ();
316: }
317:
318: break;
319:
320: case 'd': /* --daemon */
321: run_daemon = TRUE;
322: break;
323:
324: case 'k': /* --nofork */
325: nofork = TRUE;
326: break;
327:
328: case 'S': /* --shmsize */
329: shm_init_size = atol (optarg);
1.16 snw 330: break;
1.1 snw 331:
332: }
333:
334: }
335:
336: #else
337:
338: {
339: extern char *optarg;
340: extern int optind, optopt;
341:
1.16 snw 342: while ((c = getopt (argc, argv, "hsfiqRr:n:e:vx:dkS:")) != -1) {
1.1 snw 343:
344: if (c == '?') freem_usage ();
345:
346: switch (c) {
347:
348: case 'h':
349: freem_usage ();
350: break;
351:
352: case 'f':
353: frm_filter = TRUE;
354: break;
355:
356: case 'i':
357: import_env = TRUE;
358: break;
359:
360: case 'q':
361: quiet_mode = TRUE;
362: break;
363:
364: case 'e': /* specify FreeM environment */
1.19 snw 365: strncpy (shm_env, optarg, sizeof (shm_env) - 1);
1.1 snw 366: break;
367:
368: case 'R':
369: restricted_mode = TRUE;
370: break;
371:
372: case 'r': /* startup routine */
373: direct_mode = FALSE;
374: usermode = 0;
375:
376: strcpy (startup_routine, optarg);
377: startup_routine[strlen (startup_routine)] = '\201';
378:
379: routine_mode = TRUE;
380: break;
381:
382: case 'n': /* namespace */
383: strcpy (nsname, optarg);
384: break;
385:
386: case 'v':
387: freem_print_version ();
388: break;
389:
390: case 'x': /* execute */
391: direct_mode = FALSE;
392: usermode = 0;
393: dx_mode = 1;
394:
395: strncpy (dx_mcode, optarg, 512 - 1);
396:
397: stcnv_c2m (dx_mcode);
398:
399: break;
400:
401: case 'd': /* --daemon */
402: run_daemon = TRUE;
403: break;
404:
405: case 'k': /* --nofork */
406: nofork = TRUE;
407: break;
408:
409: case 's': /* --standard */
410:
411: if (strcmp (optarg, "M77") == 0) {
412: standard = D_M77;
413: strcpy (m_dialect, "M 1977");
414: }
415: else if (strcmp (optarg, "M84") == 0) {
416: standard = D_M84;
417: strcpy (m_dialect, "M 1984");
418: }
419: else if (strcmp (optarg, "M90") == 0) {
420: standard = D_M90;
421: strcpy (m_dialect, "M 1990");
422: }
423: else if (strcmp (optarg, "M95") == 0) {
424: standard = D_M95;
425: strcpy (m_dialect, "M 1995");
426: }
427: else if (strcmp (optarg, "MDS") == 0) {
428: standard = D_MDS;
429: strcpy (m_dialect, "Millennium Draft Standard");
430: }
431: else if (strcmp (optarg, "M5") == 0) {
432: standard = D_M5;
433: strcpy (m_dialect, "M5");
434: }
435: else if (strcmp (optarg, "FREEM") == 0) {
436: standard = D_FREEM;
437: strcpy (m_dialect, "FREEM");
438: }
439: else {
440: freem_usage ();
441: }
442:
443: break;
444:
445:
446: case 'S': /* --shmsize */
447: shm_init_size = atol (optarg);
448: break;
449:
450: }
451: }
452: }
453: #endif
1.6 snw 454:
455: #if defined(__OS2__)
456: if (run_daemon == TRUE && nofork == FALSE) {
1.8 snw 457: printf ("freem: running on OS/2; daemon must be run with --nofork or -k\r\n");
458: exit (1);
1.6 snw 459: }
460: #endif
461:
1.20 ! snw 462: snprintf (config_file, sizeof (config_file) - 1, "%s/freem/%s/freem.conf", SYSCONFDIR, shm_env);
! 463: snprintf (env_config_file, sizeof (config_file) - 1, "%s/freem/env.conf", SYSCONFDIR);
1.1 snw 464:
1.16 snw 465: if (!file_exists (env_config_file)) {
466: fprintf (stderr, "freem: environment catalog does not exist; may need to run fmadm configure\n");
467: exit (1);
468: }
469:
470: if (!file_exists (config_file)) {
471: fprintf (stderr, "freem: configuration file for %s does not exist; may need to run fmadm configure\n", shm_env);
472: exit (1);
473: }
474:
475: if (read_profile_string (env_config_file, shm_env, "user", d_username) == FALSE) {
476: fprintf (stderr, "freem: could not determine owning user for environment %s\n", shm_env);
477: exit (1);
478: }
479:
480: if (read_profile_string (env_config_file, shm_env, "group", d_groupname) == FALSE) {
481: fprintf (stderr, "freem: could not determine owning group for environment %s\n", shm_env);
482: exit (1);
483: }
1.1 snw 484:
1.16 snw 485: if (read_profile_string (env_config_file, shm_env, "enabled", env_ena) == FALSE) {
486: fprintf (stderr, "freem: could not discover enabled state for environment %s\n", shm_env);
487: exit (1);
488: }
1.1 snw 489:
1.16 snw 490: if (strcmp (env_ena, "true") != 0) {
491: fprintf (stderr, "freem: environment %s is administratively disabled\n", shm_env);
492: exit (1);
493: }
1.1 snw 494:
1.16 snw 495: d_grp = getgrnam (d_groupname);
496: if (d_grp == NULL) {
497: fprintf (stderr, "freem: invalid group '%s'\n", d_groupname);
498: exit (1);
499: }
500: d_gid = d_grp->gr_gid;
501:
502: d_user = getpwnam (d_username);
503: if (d_user == NULL) {
504: fprintf (stderr, "freem: invalid user '%s'\n", d_username);
505: exit (1);
506: }
507: d_uid = d_user->pw_uid;
1.1 snw 508:
1.16 snw 509:
510: #if defined(__linux__)
511: if (run_daemon == FALSE && group_member (d_gid) == 0) {
512: fprintf (stderr, "freem: you must be a member of the %s group to use environment %s\n", d_groupname, shm_env);
513: exit (1);
1.17 snw 514: }
1.16 snw 515: #endif
516:
517: if (run_daemon == TRUE) {
518: if (geteuid () != 0 && nofork == FALSE) {
519: fprintf (stderr, "freem: forking daemon must be run as root\n");
520: exit (1);
521: }
1.1 snw 522: }
523:
524: if ((nofork == TRUE) && (run_daemon == FALSE)) {
525: freem_usage ();
526: exit (1);
527: }
528:
529: if ((run_daemon == TRUE) && (nofork == FALSE)) {
530:
531: int fork_fd;
532:
533: /* daemonize */
534:
535: fork_pid = fork ();
536:
537: if (fork_pid < 0) {
538: fprintf (stderr, "freem: failure in fork()\r\n");
539: m_log (1, "failure in initial fork()\r\n");
540: exit (1);
541: }
542:
543: if (fork_pid > 0) {
544: exit (0);
545: }
546:
547: if (setsid () < 0) {
548: fprintf (stderr, "freem: failure in setsid()\r\n");
549: m_log (1, "failure in setsid()\r\n");
550: exit (1);
551: }
552:
553: signal (SIGCHLD, SIG_IGN);
554:
555: fork_pid = fork ();
556:
557: if (fork_pid < 0) {
558: fprintf (stderr, "freem: failure in fork()\r\n");
559: m_log (1, "failure in second fork()\r\n");
560: exit (1);
561: }
562:
563: if (fork_pid > 0) {
564: exit (0);
565: m_log (1, "exiting from second fork");
566: }
567:
568: umask (0);
569:
570: chdir ("/");
571:
572: for (fork_fd = sysconf (_SC_OPEN_MAX); fork_fd > 0; fork_fd--) {
573: close (fork_fd);
574: }
575:
576: if (geteuid () == 0) {
577: /* shed privileges */
578:
1.17 snw 579:
580: fprintf (stderr, "freem: switching to group %s\n", d_groupname);
581: m_log (1, "switching groups");
582:
583: if (setgid (d_gid) == -1) {
584: fprintf (stderr, "freem: failure switching GID\n");
585: m_log (1, "failure switching GIDs");
586: exit (1);
1.1 snw 587: }
1.17 snw 588:
1.1 snw 589:
590:
1.17 snw 591: if (d_uid != geteuid ()) {
1.1 snw 592: fprintf (stderr, "freem: switching to username %s\n", d_username);
593: m_log (1, "switching users");
594:
595: if (setuid (d_uid) == -1) {
596: fprintf (stderr, "freem: failure switching UID\n");
597: m_log (1, "failure switching UIDs");
598: exit (1);
599: }
600: }
601:
602: }
603: else {
604: fprintf (stderr, "not euid 0");
605: }
606:
607: freopen ("/dev/null", "r", stdin);
608: freopen ("/dev/null", "w+", stdout);
609: freopen ("/dev/null", "w+", stderr);
610:
611: run_daemon = TRUE;
612: nofork = FALSE;
613:
614: {
615: char pidfile_buf[256];
616: int errsav;
617:
1.11 snw 618: pid_file_path = (char *) malloc (PATH_MAX * sizeof (char));
619: NULLPTRCHK(pid_file_path,"main");
620:
1.10 snw 621: snprintf (pid_file_path, PATH_MAX - 1, "%s/freem/run/%s.pid", LOCALSTATEDIR, shm_env);
622:
1.1 snw 623: pid_fd = open (pid_file_path, O_RDWR | O_CREAT, 0640);
624: errsav = errno;
625:
626: if (pid_fd < 0) {
1.15 snw 627: fprintf (stderr, "freem: could not open PID file %s [%s]\n", pid_file_path, strerror (errsav));
1.1 snw 628: m_log (1, "freem: could not open PID file");
629: m_log (1, strerror (errsav));
630: exit (1);
631: }
632:
633: if (lockf (pid_fd, F_TLOCK, 0) < 0) {
634: errsav = errno;
1.15 snw 635: fprintf (stderr, "freem: could not lock PID file [%s]\n", strerror (errsav));
1.1 snw 636: m_log (1, "freem: could not lock PID file - perhaps already running?");
637: m_log (1, strerror (errsav));
638: exit (1);
639: }
640:
1.10 snw 641: sprintf (pidfile_buf, "%ld\n", (long) getpid ());
1.1 snw 642: write (pid_fd, pidfile_buf, strlen (pidfile_buf));
1.10 snw 643:
1.1 snw 644: }
645:
646:
647: } /* END of daemonization */
648:
649: /* handle passing of an arbitrary .m file on the command line */
650: /* this is most often used for shebang-line scripts. */
651: if (optind < argc) {
652:
653: /* not valid for daemon mode */
654: if (run_daemon == TRUE) {
655: fprintf (stderr, "freem: cannot pass --daemon flag in shebang line\r\n");
656: exit (1);
657: }
658:
659: /* bail if file does not exist */
660: if (access (argv[optind], F_OK) == -1) {
661:
662: set_io (UNIX);
663:
664: fprintf (stderr, "Routine %s does not exist.\n", argv[optind]);
665:
666: exit (1);
667:
668: }
669:
670: skip_init = 1;
671:
672: /* initialize FreeM environment */
1.19 snw 673: strncpy (nsnbuf, nsname, sizeof (nsnbuf));
1.1 snw 674: if (init (nsnbuf) == FALSE) {
675:
1.14 snw 676: if (fm_initialized) set_io (UNIX);
1.1 snw 677: fprintf (stderr, "\nError initializing FreeM.\n");
678:
679: exit (1);
680:
1.13 snw 681: }
682: else {
683: fm_initialized = TRUE;
684: }
1.1 snw 685:
686:
687: direct_mode = FALSE;
688: usermode = 0;
689:
690: /* was a path specified at all? */
691: if (strchr (argv[optind], '/') == NULL) {
692:
693: /* the entirety of argv[optind] is the filename */
694: cli_rtn_file = argv[optind];
695:
696: /* use the current directory */
697: sprintf (cli_rtn_path, ".");
698:
699: }
700: else {
701:
702: /* isolate the filename from the path */
703: cli_rtn_file = strrchr (argv[optind], '/') + 1;
704:
705: /* isolate the routine name from the filename */
706: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
707:
708: /* isolate the path from the routine file */
709: strncpy (cli_rtn_path, argv[optind], strrchr (argv[optind], '/') - argv[optind]);
710:
711: }
712:
713: /* do we have a file extension? */
714: if (strchr (cli_rtn_file, '.') != NULL) {
715:
716: /* if so, just remove it */
717: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
718:
719: }
720: else {
721:
722: /* otherwise, just take a direct copy */
723: strcpy (cli_rtn_name, cli_rtn_file);
724:
725: }
726:
727: /* make this the startup routine */
1.20 ! snw 728: snprintf (startuprou, sizeof (startuprou) - 1, "^%s\201", cli_rtn_name);
1.1 snw 729:
730: /* re-work the namespace config to search for the
731: routine in the discovered path */
732: if (cli_rtn_name[0] == '%') {
733:
1.20 ! snw 734: snprintf (rou0plib, sizeof (rou0plib) - 1, "%s\201", cli_rtn_path);
! 735: snprintf (rou1plib, sizeof (rou1plib) - 1, "%s\201", cli_rtn_path);
1.1 snw 736:
737: }
738: else {
739:
1.20 ! snw 740: snprintf (rou0path, sizeof (rou0path) - 1, "%s\201", cli_rtn_path);
! 741: snprintf (rou1path, sizeof (rou1path) - 1, "%s\201", cli_rtn_path);
1.1 snw 742:
743: }
744:
745: }
746:
1.13 snw 747:
1.1 snw 748: if (!file_exists (config_file)) {
749:
1.13 snw 750: if (fm_initialized == TRUE) set_io (UNIX);
751:
1.1 snw 752: fprintf (stderr, "\nFreeM has not been configured. Please run 'fmadm configure'.\n\n\n\n");
753:
754: exit (2);
755:
756: }
757:
758: if (!skip_init) {
759: /* initialize FreeM environment */
1.19 snw 760: strncpy (nsnbuf, nsname, sizeof (nsnbuf));
1.13 snw 761: if (init (nsnbuf) == FALSE) {
1.1 snw 762: set_io (UNIX);
763: fprintf (stderr, "\nError initializing FreeM.\n");
764:
765: exit (1);
766: }
1.13 snw 767: else {
768: fm_initialized = TRUE;
769: }
1.1 snw 770: }
771:
772: if (first_process == TRUE) {
773:
774: char verstr[500];
775: pid_t stop_requester;
776:
777: if (run_daemon == FALSE) {
778: fprintf (stderr, "freem: re-run with --daemon or -d command-line flags\r\n");
779: cleanup ();
780: exit (1);
781: }
782:
783: stcpy (verstr, FREEM_VERSION_STR);
784: stcnv_m2c (verstr);
785:
786: fprintf (stderr, "Coherent Logic Development FreeM version %s\r\n", verstr);
1.2 snw 787: fprintf (stderr, "freem: shared memory for environment %s initialized (%ld bytes of shared memory @ '%p')\r\nfreem: system ready\r\n", shm_env, (long) shm_init_size, shm_config->dta);
1.1 snw 788:
789: for (;;) {
790:
791: job_set_status (pid, JSTAT_HOUSEKEEPING);
792:
793:
794: if (shm_config->hdr->maintenance_mode == 1) {
795:
796: job_slot_t *slot;
797:
798: fprintf (stderr, "freem: entering maintenance mode\r\n");
799: m_log (1, "freem: entering maintenance mode");
800:
801: for (slot = shm_config->hdr->jobtab_head; slot != NULL; slot = slot->next) {
802:
803: if ((slot->pid != pid) && ((slot->flags & JFLG_FMADM) != JFLG_FMADM)) {
804: kill (slot->pid, SIGINT);
805: }
806:
807: }
808:
809: }
810:
811: if ((stop_requester = job_stop_requested (pid)) != 0) {
812: int connected_jobs;
813:
814: job_set_status (pid, JSTAT_SHUTDOWN);
815:
816: connected_jobs = job_count ();
817:
818: fprintf (stderr, "freem: STOP requested by pid %d\r\n", stop_requester);
819: fprintf (stderr, "freem: there are %d job(s) connected to this environment\r\n", connected_jobs);
820:
821: if (connected_jobs > 1) {
822:
823: fprintf (stderr, "freem: asking non-daemon job(s) to disconnect and halt...\r\n");
824: job_request_all_stop ();
825:
826: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
827: sleep (5);
828:
829: connected_jobs = job_count ();
830: if (connected_jobs > 1) {
831: fprintf (stderr, "freem: sending SIGTERM to %d job(s)...\r\n", connected_jobs);
832: job_signal_all (SIGTERM);
833: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
834:
835: sleep (5);
836: }
837:
838: connected_jobs = job_count ();
839: if (connected_jobs > 1) {
840: fprintf (stderr, "freem: sending SIGKILL to %d job(s)...\r\n", connected_jobs);
841: job_signal_all (SIGKILL);
842: }
843:
844: job_gc_mark ();
845: job_gc_sweep ();
846:
847: }
848:
849: fprintf (stderr, "freem: terminating\r\n");
850: cleanup ();
1.11 snw 851:
1.1 snw 852: exit (0);
853:
854: }
855:
856: job_gc_mark ();
857: job_set_status (pid, JSTAT_IDLE);
858: sleep (1);
859:
860: job_set_status (pid, JSTAT_HOUSEKEEPING);
861: job_gc_sweep ();
862: sleep (1);
863: }
864:
865: }
866:
867:
868: #if !defined(_AIX)
1.18 snw 869: if (import_env == TRUE) {
1.1 snw 870: int i_maxlen = 255;
871:
1.18 snw 872: for (env = envp; *env != 0; env++) {
873: varname = strtok (*env, "=");
874: varval = strtok (NULL, "=");
1.1 snw 875:
1.18 snw 876: if (varval != NULL) {
1.1 snw 877: snprintf (symname, i_maxlen, "ENV.%s\201\201", varname);
1.19 snw 878: strncpy (symval, varval, i_maxlen - 1);
1.1 snw 879:
880: stcnv_c2m (symval);
881:
882: symtab (set_sym, symname, symval);
883: }
884: }
885: }
886: #endif
887:
888:
889: if (direct_mode == TRUE && quiet_mode == FALSE) {
890:
891: char verstr[500];
892: char version[256];
893:
894: stcpy (verstr, FREEM_VERSION_STR);
895: stcnv_m2c (verstr);
896:
1.20 ! snw 897: snprintf (version, sizeof (version) - 1, "\r\nCoherent Logic Development FreeM version %s [DIALECT: %s%s]\r\n\201", verstr, m_dialect, (restricted_mode == TRUE ? "/RESTRICTED" : ""));
1.1 snw 898: write_m (version);
899:
1.20 ! snw 900: snprintf (version, sizeof (version) - 1, "Copyright (C) 2014, 2020, 2021, 2023, 2025 Coherent Logic Development LLC\r\n\r\n\201");
1.1 snw 901: write_m (version);
902:
1.5 snw 903: /*
1.1 snw 904: printf ("Environment: \t%s\r\n", shm_env);
905: printf ("Environment Daemon:\tPID %d\r\n", shm_config->hdr->first_process);
906: printf ("Interpreter Process:\tPID %d\r\n", pid);
1.5 snw 907: */
1.1 snw 908:
909: }
910: else {
911: write_m ("\r\n\r\n\201");
912: }
913:
914: if (dx_mode) {
915: char k_buf[512];
916:
1.20 ! snw 917: snprintf (k_buf, sizeof (k_buf) - 1, "%%TMPINITMCODE\201\201");
1.1 snw 918: symtab (set_sym, k_buf, dx_mcode);
919: const_define (k_buf, dx_mcode);
920: }
921:
922: if (routine_mode) {
923: char k_buf[512];
924:
1.20 ! snw 925: snprintf (k_buf, sizeof (k_buf) - 1, "%%TMPINITROUTINE\201\201");
1.1 snw 926: symtab (set_sym, k_buf, startup_routine);
927: const_define (k_buf, startup_routine);
928: }
929:
930: /* run mumps */
931: xecline (1);
932:
933: exit (0); /* we should never reach that statement */
934:
935: } /* end of main() */
936:
937: void freem_usage(void)
938: {
939: fprintf (stdout, "\nusage: freem [OPTION...]\n\n");
940:
941: fprintf (stdout, "OPTIONS:\n\n");
942:
943: #if defined(HAVE_GETOPT_LONG)
944: fprintf (stdout, "\t-h, --help\n\t\tdisplays this help message\n\n");
945: fprintf (stdout, "\t-i, --import\n\t\timports UNIX environment variables as M locals\n\n");
946: fprintf (stdout, "\t-e <environment-name>, --environment=<environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
947: fprintf (stdout, "\t-f, --filter\n\t\tallows M code to be used as a filter\n\n");
948: fprintf (stdout, "\t-n <NAMESPACE>, --namespace=<NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
949: fprintf (stdout, "\t-q, --quiet\n\t\tdisables startup messages and prompt string\n\n");
950: fprintf (stdout, "\t-r <LABEL^ROUTINE>, --routine=<LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
951: fprintf (stdout, "\t-s, --standard\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
952: fprintf (stdout, "\t-v, --version\n\t\tdisplay FreeM version information\n\n");
953: fprintf (stdout, "\t-x <MCODE>, --execute=<MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
954: fprintf (stdout, "\t-d, --daemon\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
955: fprintf (stdout, "\t-k, --nofork\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
956: fprintf (stdout, "\t-S <BYTES>, --shmsize=<BYTES>\n\t\tsets the size of the shared memory segment where FreeM stores the job table, lock table, and IPC table.\n");
957: #else
958: fprintf (stdout, "\t-h\n\t\tdisplays this help message\n\n");
959: fprintf (stdout, "\t-i\n\t\timports UNIX environment variables as M locals\n\n");
960: fprintf (stdout, "\t-e <environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
961: fprintf (stdout, "\t-f\n\t\tallows M code to be used as a filter\n\n");
962: fprintf (stdout, "\t-n <NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
963: fprintf (stdout, "\t-q\n\t\tdisables startup messages and prompt string\n\n");
964: fprintf (stdout, "\t-r <LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
965: fprintf (stdout, "\t-s\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
966: fprintf (stdout, "\t-v\n\t\tdisplay FreeM version information\n\n");
967: fprintf (stdout, "\t-x <MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
968: fprintf (stdout, "\t-d\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
969: fprintf (stdout, "\t-k\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
970: fprintf (stdout, "\t-S <BYTES>\n\t\tsets the size of the shared memory segment where FreeM stores the job table, lock table, and IPC table.\n");
971: #endif
972: fprintf (stdout, "\t\t - Each concurrent job takes %d bytes (1 page) of shared memory\n", PG_SIZE);
973: fprintf (stdout, "\t\t - Each LOCK takes %d bytes (2 pages) of shared memory\n", PG_SIZE * 2);
974: fprintf (stdout, "\t\t - Each IPC takes %d bytes (1 page) of shared memory\n\n", PG_SIZE);
975: fprintf (stdout, "\t* FreeM attempts to conform (at least loosely) to the Millennium Draft Standard when this mode is selected.\n\n\n");
976: fprintf (stdout, "Report bugs to: freem-bugs@coherent-logic.com\n");
977: fprintf (stdout, "FreeM home page: <https://freem.coherent-logic.com>\n\n");
978:
979: exit (1);
980: }
981:
982: void freem_print_version(void)
983: {
984: char verstr[500];
985: stcpy (verstr, FREEM_VERSION_STR);
986: stcnv_m2c (verstr);
987:
988: fprintf (stdout, "Coherent Logic Development FreeM %s\n", verstr);
989: fprintf (stdout, "Copyright (C) 2014, 2020, 2021, 2023 Coherent Logic Development LLC\n\n");
990: fprintf (stdout, "License AGPLv3+: GNU AGPL version 3 or later <https://gnu.org/license/agpl-3.0.html>\n");
991: fprintf (stdout, "This is free software: you are free to change and redistribute it.\n");
992: fprintf (stdout, "There is NO WARRANTY, to the extent permitted by law.\n");
993:
994: exit (0);
995: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to mumps.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Coherent Logic Development] / freem / src