1: /*
2: * $Id: mumps.c,v 1.10 2025/04/01 20:11:46 snw Exp $
3: * main module of freem
4: *
5: *
6: * Author: Serena Willis <snw@coherent-logic.com>
7: * Copyright (C) 1998 MUG Deutschland
8: * Copyright (C) 2020, 2025 Coherent Logic Development LLC
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: *
26: * $Log: mumps.c,v $
27: * Revision 1.10 2025/04/01 20:11:46 snw
28: * Further work on fmadm
29: *
30: * Revision 1.9 2025/03/31 20:01:13 snw
31: * Set d_uid in daemon
32: *
33: * Revision 1.8 2025/03/24 16:10:48 snw
34: * Print error message and exit on OS/2 if daemon is run without --nofork
35: *
36: * Revision 1.7 2025/03/24 16:07:55 snw
37: * Force daemon into foreground on OS/2
38: *
39: * Revision 1.6 2025/03/24 16:04:49 snw
40: * Force daemon into foreground on OS/2
41: *
42: * Revision 1.5 2025/03/22 21:44:32 snw
43: * Make the startup messages fewer and add environment name to direct-mode prompt
44: *
45: * Revision 1.4 2025/03/09 19:50:47 snw
46: * Second phase of REUSE compliance and header reformat
47: *
48: *
49: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
50: * SPDX-License-Identifier: AGPL-3.0-or-later
51: **/
52:
53: #include <stdlib.h>
54: #include <stddef.h>
55: #include "mpsdef.h"
56: #include "errmsg.h"
57: #include "iniconf.h"
58: #include "namespace.h"
59: #include "transact.h"
60: #include "init.h"
61: #include "consttbl.h"
62: #include <setjmp.h>
63: #include <stdio.h>
64: #include <signal.h>
65: #include <time.h>
66: #include <unistd.h>
67: #include <sys/types.h>
68: #include <sys/wait.h>
69: #include <sys/stat.h>
70: #include <limits.h>
71: #include <sys/types.h>
72: #include <pwd.h>
73: #include <string.h>
74: #include <fcntl.h>
75: #include "version.h"
76: #include "shmmgr.h"
77: #include "jobtab.h"
78: #include <errno.h>
79: #include <pwd.h>
80: #include <grp.h>
81:
82:
83: #if defined(HAVE_GETOPT_H)
84: # include <getopt.h>
85: #endif
86:
87: #if !defined(PATH_MAX) && defined(_SCO_DS)
88: # define PATH_MAX 1024
89: #endif
90:
91: extern int xecline(int typ);
92: extern char *getenv(const char *name);
93: void freem_usage(void);
94: void freem_print_version(void);
95: void init_ztrap(void);
96: void m_log (int, const char *);
97:
98: int main (int argc, char **argv, char **envp)
99: {
100: pid_t fork_pid = 0;
101: short dx_mode = 0;
102:
103: int c;
104: int import_env = FALSE;
105: short skip_init = 0;
106:
107: int option_index = 0;
108:
109: char dx_mcode[512];
110: char startup_routine[256];
111: short routine_mode;
112: char m_dialect[50];
113:
114: char nsnbuf[256];
115:
116: char d_username[40];
117: char d_groupname[40];
118: struct group *d_grp;
119: struct passwd *d_user;
120: gid_t d_gid;
121: uid_t d_uid;
122:
123: short custom_user = FALSE;
124: short custom_group = FALSE;
125:
126: #if defined(HAVE_GETOPT_LONG)
127: struct option long_options[] = {
128: {"help", no_argument, 0, 'h'},
129: {"filter", no_argument, &frm_filter, TRUE},
130: {"standard", required_argument, 0, 's'},
131: {"import", no_argument, &import_env, TRUE},
132: {"quiet", no_argument, &quiet_mode, TRUE},
133: {"restricted", no_argument, &restricted_mode, TRUE},
134: {"routine", required_argument, 0, 'r'},
135: {"namespace", required_argument, 0, 'n'},
136: {"environment", required_argument, 0, 'e'},
137: {"version", no_argument, 0, 'v'},
138: {"execute", required_argument, 0, 'x'},
139: {"daemon", no_argument, 0, 'd'},
140: {"nofork", no_argument, 0, 'k'},
141: {"shmsize", required_argument, 0, 'S'},
142: {"user", required_argument, 0, 'u'},
143: {"group", required_argument, 0, 'g'},
144: {0, 0, 0, 0}
145: };
146: #endif
147:
148: char **env;
149: char *varname = (char *) calloc(STRLEN, sizeof(char));
150: char *varval = (char *) calloc(STRLEN, sizeof(char));
151:
152: char *symname = (char *) calloc(STRLEN, sizeof(char));
153: char *symval = (char *) calloc(STRLEN, sizeof(char));
154:
155: int namelen;
156: int vallen;
157:
158: char cli_rtn_path[PATH_MAX] = {0};
159: char *cli_rtn_file;
160: char cli_rtn_name[256];
161:
162: routine_mode = FALSE;
163: strcpy (m_dialect, "FREEM");
164:
165: m_argc = argc; /* save arguments count */
166: m_argv = argv; /* save arguments string */
167: m_envp = envp; /* save environment pointer */
168:
169: strncpy (shm_env, "DEFAULT", 8); /* establish default environment name */
170:
171: strncpy (d_username, "freem", 40);
172: strncpy (d_groupname, "freem", 40);
173:
174: strcpy (zb, argv[0]); /* name with which mumps has been called */
175: stcnv_c2m (zb);
176: strcpy (stack0, argv[0]);
177: stcnv_c2m (stack0);
178:
179:
180: /* strncpy (config_file, SYSCONFDIR"/freem.conf", 100); */
181:
182:
183:
184: #if defined(HAVE_GETOPT_LONG)
185:
186: extern char *optarg;
187: extern int optind, optopt;
188:
189: while (1) {
190:
191: c = getopt_long (argc, argv, "hsfiqRr:n:e:vx:dkpS:u:g:", long_options, &option_index);
192:
193: if (c == -1) break;
194: if (c == '?') freem_usage ();
195:
196: switch (c) {
197: case 'h':
198: freem_usage ();
199: break;
200:
201: case 'f':
202: frm_filter = TRUE;
203: break;
204:
205: case 'i':
206: import_env = TRUE;
207: break;
208:
209: case 'q':
210: quiet_mode = TRUE;
211: break;
212:
213: case 'e': /* specify FreeM environment */
214: strncpy (shm_env, optarg, 255);
215: break;
216:
217: case 'R':
218: restricted_mode = TRUE;
219: break;
220:
221: case 'r': /* startup routine */
222: direct_mode = FALSE;
223: usermode = 0;
224:
225: strcpy (startup_routine, optarg);
226: startup_routine[strlen (startup_routine)] = '\201';
227:
228: routine_mode = TRUE;
229: break;
230:
231: case 'n': /* namespace */
232: {
233: if (validate_namespace (optarg) == TRUE) {
234: strcpy (nsname, optarg);
235: }
236: else {
237: fprintf (stderr, "freem: invalid namespace '%s'\n", optarg);
238: exit (1);
239: }
240:
241: break;
242: }
243: case 'v': /* version */
244: freem_print_version ();
245: break;
246:
247: case 'x': /* execute */
248: direct_mode = FALSE;
249: usermode = 0;
250: dx_mode = 1;
251:
252: strncpy (dx_mcode, optarg, 512 - 1);
253:
254: stcnv_c2m (dx_mcode);
255:
256: break;
257:
258: case 's': /* --standard */
259:
260: if (strcmp (optarg, "M77") == 0) {
261: standard = D_M77;
262: strcpy (m_dialect, "M 1977");
263: }
264: else if (strcmp (optarg, "M84") == 0) {
265: standard = D_M84;
266: strcpy (m_dialect, "M 1984");
267: }
268: else if (strcmp (optarg, "M90") == 0) {
269: standard = D_M90;
270: strcpy (m_dialect, "M 1990");
271: }
272: else if (strcmp (optarg, "M95") == 0) {
273: standard = D_M95;
274: strcpy (m_dialect, "M 1995");
275: }
276: else if (strcmp (optarg, "MDS") == 0) {
277: standard = D_MDS;
278: strcpy (m_dialect, "Millennium Draft Standard");
279: }
280: else if (strcmp (optarg, "M5") == 0) {
281: standard = D_M5;
282: strcpy (m_dialect, "M5");
283: }
284: else if (strcmp (optarg, "FREEM") == 0) {
285: standard = D_FREEM;
286: strcpy (m_dialect, "FREEM");
287: }
288: else {
289: freem_usage ();
290: }
291:
292: break;
293:
294: case 'd': /* --daemon */
295: run_daemon = TRUE;
296: break;
297:
298: case 'k': /* --nofork */
299: nofork = TRUE;
300: break;
301:
302: case 'S': /* --shmsize */
303: shm_init_size = atol (optarg);
304: break;
305:
306: case 'u': /* --user */
307: strncpy (d_username, optarg, 40);
308: custom_user = TRUE;
309: break;
310:
311: case 'g': /* --group */
312: strncpy (d_groupname, optarg, 40);
313: custom_group = TRUE;
314: break;
315:
316:
317: }
318:
319: }
320:
321: #else
322:
323: {
324: extern char *optarg;
325: extern int optind, optopt;
326:
327: while ((c = getopt (argc, argv, "hsfiqRr:n:e:vx:dkS:u:g:")) != -1) {
328:
329: if (c == '?') freem_usage ();
330:
331: switch (c) {
332:
333: case 'h':
334: freem_usage ();
335: break;
336:
337: case 'f':
338: frm_filter = TRUE;
339: break;
340:
341: case 'i':
342: import_env = TRUE;
343: break;
344:
345: case 'q':
346: quiet_mode = TRUE;
347: break;
348:
349: case 'e': /* specify FreeM environment */
350: strncpy (shm_env, optarg, 255);
351: break;
352:
353: case 'R':
354: restricted_mode = TRUE;
355: break;
356:
357: case 'r': /* startup routine */
358: direct_mode = FALSE;
359: usermode = 0;
360:
361: strcpy (startup_routine, optarg);
362: startup_routine[strlen (startup_routine)] = '\201';
363:
364: routine_mode = TRUE;
365: break;
366:
367: case 'n': /* namespace */
368: strcpy (nsname, optarg);
369: break;
370:
371: case 'v':
372: freem_print_version ();
373: break;
374:
375: case 'x': /* execute */
376: direct_mode = FALSE;
377: usermode = 0;
378: dx_mode = 1;
379:
380: strncpy (dx_mcode, optarg, 512 - 1);
381:
382: stcnv_c2m (dx_mcode);
383:
384: break;
385:
386: case 'd': /* --daemon */
387: run_daemon = TRUE;
388: break;
389:
390: case 'k': /* --nofork */
391: nofork = TRUE;
392: break;
393:
394: case 's': /* --standard */
395:
396: if (strcmp (optarg, "M77") == 0) {
397: standard = D_M77;
398: strcpy (m_dialect, "M 1977");
399: }
400: else if (strcmp (optarg, "M84") == 0) {
401: standard = D_M84;
402: strcpy (m_dialect, "M 1984");
403: }
404: else if (strcmp (optarg, "M90") == 0) {
405: standard = D_M90;
406: strcpy (m_dialect, "M 1990");
407: }
408: else if (strcmp (optarg, "M95") == 0) {
409: standard = D_M95;
410: strcpy (m_dialect, "M 1995");
411: }
412: else if (strcmp (optarg, "MDS") == 0) {
413: standard = D_MDS;
414: strcpy (m_dialect, "Millennium Draft Standard");
415: }
416: else if (strcmp (optarg, "M5") == 0) {
417: standard = D_M5;
418: strcpy (m_dialect, "M5");
419: }
420: else if (strcmp (optarg, "FREEM") == 0) {
421: standard = D_FREEM;
422: strcpy (m_dialect, "FREEM");
423: }
424: else {
425: freem_usage ();
426: }
427:
428: break;
429:
430:
431: case 'S': /* --shmsize */
432: shm_init_size = atol (optarg);
433: break;
434:
435: case 'u': /* --user */
436: strncpy (d_username, optarg, 40);
437: custom_user = TRUE;
438: break;
439:
440: case 'g': /* --group */
441: strncpy (d_groupname, optarg, 40);
442: custom_group = TRUE;
443: break;
444:
445:
446: }
447: }
448: }
449: #endif
450:
451: #if defined(__OS2__)
452: if (run_daemon == TRUE && nofork == FALSE) {
453: printf ("freem: running on OS/2; daemon must be run with --nofork or -k\r\n");
454: exit (1);
455: }
456: #endif
457:
458: snprintf (config_file, 4096, "%s/freem/%s/freem.conf", SYSCONFDIR, shm_env);
459:
460: if (run_daemon == TRUE && geteuid() == 0) {
461:
462: if (custom_group) {
463: d_grp = getgrnam (d_groupname);
464:
465: if (d_grp == NULL) {
466: fprintf (stderr, "freem: invalid group '%s'\n", d_groupname);
467: exit (1);
468: }
469:
470: d_gid = d_grp->gr_gid;
471: }
472:
473: if (custom_user) {
474: d_user = getpwnam (d_username);
475:
476: if (d_user == NULL) {
477: fprintf (stderr, "freem: invalid user '%s'\n", d_username);
478: exit (1);
479: }
480:
481: d_uid = d_user->pw_uid;
482: }
483: else {
484: d_uid = 0;
485: }
486:
487: }
488:
489: if ((nofork == TRUE) && (run_daemon == FALSE)) {
490: freem_usage ();
491: exit (1);
492: }
493:
494: if ((run_daemon == TRUE) && (nofork == FALSE)) {
495:
496: int fork_fd;
497:
498: /* daemonize */
499:
500: fork_pid = fork ();
501:
502: if (fork_pid < 0) {
503: fprintf (stderr, "freem: failure in fork()\r\n");
504: m_log (1, "failure in initial fork()\r\n");
505: exit (1);
506: }
507:
508: if (fork_pid > 0) {
509: exit (0);
510: }
511:
512: if (setsid () < 0) {
513: fprintf (stderr, "freem: failure in setsid()\r\n");
514: m_log (1, "failure in setsid()\r\n");
515: exit (1);
516: }
517:
518: signal (SIGCHLD, SIG_IGN);
519:
520: fork_pid = fork ();
521:
522: if (fork_pid < 0) {
523: fprintf (stderr, "freem: failure in fork()\r\n");
524: m_log (1, "failure in second fork()\r\n");
525: exit (1);
526: }
527:
528: if (fork_pid > 0) {
529: exit (0);
530: m_log (1, "exiting from second fork");
531: }
532:
533: umask (0);
534:
535: chdir ("/");
536:
537: for (fork_fd = sysconf (_SC_OPEN_MAX); fork_fd > 0; fork_fd--) {
538: close (fork_fd);
539: }
540:
541: if (geteuid () == 0) {
542: /* shed privileges */
543:
544: if (custom_group) {
545: fprintf (stderr, "freem: switching to group %s\n", d_groupname);
546: m_log (1, "switching groups");
547:
548: if (setgid (d_gid) == -1) {
549: fprintf (stderr, "freem: failure switching GID\n");
550: m_log (1, "failure switching GIDs");
551: exit (1);
552: }
553: }
554:
555:
556: if (custom_user) {
557: fprintf (stderr, "freem: switching to username %s\n", d_username);
558: m_log (1, "switching users");
559:
560: if (setuid (d_uid) == -1) {
561: fprintf (stderr, "freem: failure switching UID\n");
562: m_log (1, "failure switching UIDs");
563: exit (1);
564: }
565: if (chdir (d_user->pw_dir) == -1) {
566: fprintf (stderr, "freem: chdir failure\n");
567: m_log (1, "failure in chdir");
568: exit (1);
569: }
570: }
571:
572: }
573: else {
574: fprintf (stderr, "not euid 0");
575: }
576:
577: freopen ("/dev/null", "r", stdin);
578: freopen ("/dev/null", "w+", stdout);
579: freopen ("/dev/null", "w+", stderr);
580:
581: run_daemon = TRUE;
582: nofork = FALSE;
583:
584: {
585: char pidfile_buf[256];
586: int errsav;
587:
588: snprintf (pid_file_path, PATH_MAX - 1, "%s/freem/run/%s.pid", LOCALSTATEDIR, shm_env);
589:
590: printf (pid_file_path);
591: m_log (1, pid_file_path);
592:
593: pid_fd = open (pid_file_path, O_RDWR | O_CREAT, 0640);
594: errsav = errno;
595:
596: if (pid_fd < 0) {
597: m_log (1, "freem: could not open PID file");
598: m_log (1, strerror (errsav));
599: exit (1);
600: }
601:
602: if (lockf (pid_fd, F_TLOCK, 0) < 0) {
603: errsav = errno;
604: m_log (1, "freem: could not lock PID file - perhaps already running?");
605: m_log (1, strerror (errsav));
606: exit (1);
607: }
608:
609: sprintf (pidfile_buf, "%ld\n", (long) getpid ());
610: write (pid_fd, pidfile_buf, strlen (pidfile_buf));
611:
612: close (pid_fd);
613: }
614:
615:
616: } /* END of daemonization */
617:
618: /* handle passing of an arbitrary .m file on the command line */
619: /* this is most often used for shebang-line scripts. */
620: if (optind < argc) {
621:
622: /* not valid for daemon mode */
623: if (run_daemon == TRUE) {
624: fprintf (stderr, "freem: cannot pass --daemon flag in shebang line\r\n");
625: exit (1);
626: }
627:
628: /* bail if file does not exist */
629: if (access (argv[optind], F_OK) == -1) {
630:
631: set_io (UNIX);
632:
633: fprintf (stderr, "Routine %s does not exist.\n", argv[optind]);
634:
635: exit (1);
636:
637: }
638:
639: skip_init = 1;
640:
641: /* initialize FreeM environment */
642: strncpy (nsnbuf, nsname, 255);
643: if (init (nsnbuf) == FALSE) {
644:
645: set_io (UNIX);
646: fprintf (stderr, "\nError initializing FreeM.\n");
647:
648: exit (1);
649:
650: }
651:
652:
653: direct_mode = FALSE;
654: usermode = 0;
655:
656: /* was a path specified at all? */
657: if (strchr (argv[optind], '/') == NULL) {
658:
659: /* the entirety of argv[optind] is the filename */
660: cli_rtn_file = argv[optind];
661:
662: /* use the current directory */
663: sprintf (cli_rtn_path, ".");
664:
665: }
666: else {
667:
668: /* isolate the filename from the path */
669: cli_rtn_file = strrchr (argv[optind], '/') + 1;
670:
671: /* isolate the routine name from the filename */
672: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
673:
674: /* isolate the path from the routine file */
675: strncpy (cli_rtn_path, argv[optind], strrchr (argv[optind], '/') - argv[optind]);
676:
677: /* set_io (UNIX);
678: printf ("cli_rtn_name = '%s' cli_rtn_path = '%s'\n", cli_rtn_name, cli_rtn_path);
679: set_io (MUMPS);
680: */
681: }
682:
683: /* do we have a file extension? */
684: if (strchr (cli_rtn_file, '.') != NULL) {
685:
686: /* if so, just remove it */
687: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
688:
689: }
690: else {
691:
692: /* otherwise, just take a direct copy */
693: strcpy (cli_rtn_name, cli_rtn_file);
694:
695: }
696:
697: /* make this the startup routine */
698: snprintf (startuprou, 256, "^%s\201", cli_rtn_name);
699:
700: /* re-work the namespace config to search for the
701: routine in the discovered path */
702: if (cli_rtn_name[0] == '%') {
703:
704: snprintf (rou0plib, 256, "%s\201", cli_rtn_path);
705: snprintf (rou1plib, 256, "%s\201", cli_rtn_path);
706:
707: }
708: else {
709:
710: snprintf (rou0path, 256, "%s\201", cli_rtn_path);
711: snprintf (rou1path, 256, "%s\201", cli_rtn_path);
712:
713: }
714:
715: }
716:
717:
718: if (!file_exists (config_file)) {
719:
720: set_io (UNIX);
721: fprintf (stderr, "\nFreeM has not been configured. Please run 'fmadm configure'.\n\n\n\n");
722:
723: exit (2);
724:
725: }
726:
727: if (!skip_init) {
728: /* initialize FreeM environment */
729: strncpy (nsnbuf, nsname, 255);
730: if (init (nsnbuf) == FALSE) {
731:
732: set_io (UNIX);
733: fprintf (stderr, "\nError initializing FreeM.\n");
734:
735: exit (1);
736:
737: }
738: }
739:
740: if (first_process == TRUE) {
741:
742: char verstr[500];
743: pid_t stop_requester;
744:
745: if (run_daemon == FALSE) {
746: fprintf (stderr, "freem: re-run with --daemon or -d command-line flags\r\n");
747: cleanup ();
748: exit (1);
749: }
750:
751: stcpy (verstr, FREEM_VERSION_STR);
752: stcnv_m2c (verstr);
753:
754: fprintf (stderr, "Coherent Logic Development FreeM version %s\r\n", verstr);
755: 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);
756:
757: for (;;) {
758:
759: job_set_status (pid, JSTAT_HOUSEKEEPING);
760:
761:
762: if (shm_config->hdr->maintenance_mode == 1) {
763:
764: job_slot_t *slot;
765:
766: fprintf (stderr, "freem: entering maintenance mode\r\n");
767: m_log (1, "freem: entering maintenance mode");
768:
769: for (slot = shm_config->hdr->jobtab_head; slot != NULL; slot = slot->next) {
770:
771: if ((slot->pid != pid) && ((slot->flags & JFLG_FMADM) != JFLG_FMADM)) {
772: kill (slot->pid, SIGINT);
773: }
774:
775: }
776:
777: }
778:
779: if ((stop_requester = job_stop_requested (pid)) != 0) {
780: int connected_jobs;
781:
782: job_set_status (pid, JSTAT_SHUTDOWN);
783:
784: connected_jobs = job_count ();
785:
786: fprintf (stderr, "freem: STOP requested by pid %d\r\n", stop_requester);
787: fprintf (stderr, "freem: there are %d job(s) connected to this environment\r\n", connected_jobs);
788:
789: if (connected_jobs > 1) {
790:
791: fprintf (stderr, "freem: asking non-daemon job(s) to disconnect and halt...\r\n");
792: job_request_all_stop ();
793:
794: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
795: sleep (5);
796:
797: connected_jobs = job_count ();
798: if (connected_jobs > 1) {
799: fprintf (stderr, "freem: sending SIGTERM to %d job(s)...\r\n", connected_jobs);
800: job_signal_all (SIGTERM);
801: fprintf (stderr, "freem: waiting 5 seconds for job(s) to disconnect...\r\n");
802:
803: sleep (5);
804: }
805:
806: connected_jobs = job_count ();
807: if (connected_jobs > 1) {
808: fprintf (stderr, "freem: sending SIGKILL to %d job(s)...\r\n", connected_jobs);
809: job_signal_all (SIGKILL);
810: }
811:
812: job_gc_mark ();
813: job_gc_sweep ();
814:
815: }
816:
817: fprintf (stderr, "freem: terminating\r\n");
818: cleanup ();
819: exit (0);
820:
821: }
822:
823: job_gc_mark ();
824: job_set_status (pid, JSTAT_IDLE);
825: sleep (1);
826:
827: job_set_status (pid, JSTAT_HOUSEKEEPING);
828: job_gc_sweep ();
829: sleep (1);
830: }
831:
832: }
833:
834:
835: #if !defined(_AIX)
836: if(import_env == TRUE) {
837:
838: int i_maxlen = 255;
839:
840: for(env = envp; *env != 0; env++) {
841:
842: namelen = 0;
843: vallen = 0;
844:
845: varname = strtok(*env, "=");
846: varval = strtok(NULL, "=");
847:
848: if(varval != NULL) {
849: namelen = strlen (varname);
850: vallen = strlen (varval);
851:
852: snprintf (symname, i_maxlen, "ENV.%s\201\201", varname);
853: strncpy (symval, varval, i_maxlen);
854:
855: stcnv_c2m (symval);
856:
857: symtab (set_sym, symname, symval);
858: }
859: }
860: }
861: #endif
862:
863:
864: if (direct_mode == TRUE && quiet_mode == FALSE) {
865:
866: char verstr[500];
867: char version[256];
868:
869: stcpy (verstr, FREEM_VERSION_STR);
870: stcnv_m2c (verstr);
871:
872: snprintf (version, 255, "\r\nCoherent Logic Development FreeM version %s [DIALECT: %s%s]\r\n\201", verstr, m_dialect, (restricted_mode == TRUE ? "/RESTRICTED" : ""));
873: write_m (version);
874:
875: snprintf (version, 255, "Copyright (C) 2014, 2020, 2021, 2023, 2025 Coherent Logic Development LLC\r\n\r\n\201");
876: write_m (version);
877:
878: /*
879: printf ("Environment: \t%s\r\n", shm_env);
880: printf ("Environment Daemon:\tPID %d\r\n", shm_config->hdr->first_process);
881: printf ("Interpreter Process:\tPID %d\r\n", pid);
882: */
883:
884: }
885: else {
886: write_m ("\r\n\r\n\201");
887: }
888:
889: if (dx_mode) {
890: char k_buf[512];
891:
892: snprintf (k_buf, 512 - 1, "%%TMPINITMCODE\201\201");
893: symtab (set_sym, k_buf, dx_mcode);
894: const_define (k_buf, dx_mcode);
895: }
896:
897: if (routine_mode) {
898: char k_buf[512];
899:
900: snprintf (k_buf, 512 - 1, "%%TMPINITROUTINE\201\201");
901: symtab (set_sym, k_buf, startup_routine);
902: const_define (k_buf, startup_routine);
903: }
904:
905: /* run mumps */
906: xecline (1);
907:
908: exit (0); /* we should never reach that statement */
909:
910: } /* end of main() */
911:
912: void freem_usage(void)
913: {
914: fprintf (stdout, "\nusage: freem [OPTION...]\n\n");
915:
916: fprintf (stdout, "OPTIONS:\n\n");
917:
918: #if defined(HAVE_GETOPT_LONG)
919: fprintf (stdout, "\t-h, --help\n\t\tdisplays this help message\n\n");
920: fprintf (stdout, "\t-i, --import\n\t\timports UNIX environment variables as M locals\n\n");
921: fprintf (stdout, "\t-e <environment-name>, --environment=<environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
922: fprintf (stdout, "\t-f, --filter\n\t\tallows M code to be used as a filter\n\n");
923: fprintf (stdout, "\t-n <NAMESPACE>, --namespace=<NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
924: fprintf (stdout, "\t-q, --quiet\n\t\tdisables startup messages and prompt string\n\n");
925: fprintf (stdout, "\t-r <LABEL^ROUTINE>, --routine=<LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
926: fprintf (stdout, "\t-s, --standard\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
927: fprintf (stdout, "\t-v, --version\n\t\tdisplay FreeM version information\n\n");
928: fprintf (stdout, "\t-x <MCODE>, --execute=<MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
929: fprintf (stdout, "\t-d, --daemon\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
930: fprintf (stdout, "\t-k, --nofork\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
931: 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");
932: #else
933: fprintf (stdout, "\t-h\n\t\tdisplays this help message\n\n");
934: fprintf (stdout, "\t-i\n\t\timports UNIX environment variables as M locals\n\n");
935: fprintf (stdout, "\t-e <environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
936: fprintf (stdout, "\t-f\n\t\tallows M code to be used as a filter\n\n");
937: fprintf (stdout, "\t-n <NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
938: fprintf (stdout, "\t-q\n\t\tdisables startup messages and prompt string\n\n");
939: fprintf (stdout, "\t-r <LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
940: fprintf (stdout, "\t-s\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
941: fprintf (stdout, "\t-v\n\t\tdisplay FreeM version information\n\n");
942: fprintf (stdout, "\t-x <MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
943: fprintf (stdout, "\t-d\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
944: fprintf (stdout, "\t-k\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
945: fprintf (stdout, "\t-p <PIDFILE>\n\t\tuse <PIDFILE> to record the PID of the FreeM daemon\n\n\n");
946: 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");
947: #endif
948: fprintf (stdout, "\t\t - Each concurrent job takes %d bytes (1 page) of shared memory\n", PG_SIZE);
949: fprintf (stdout, "\t\t - Each LOCK takes %d bytes (2 pages) of shared memory\n", PG_SIZE * 2);
950: fprintf (stdout, "\t\t - Each IPC takes %d bytes (1 page) of shared memory\n\n", PG_SIZE);
951: fprintf (stdout, "\t* FreeM attempts to conform (at least loosely) to the Millennium Draft Standard when this mode is selected.\n\n\n");
952: fprintf (stdout, "Report bugs to: freem-bugs@coherent-logic.com\n");
953: fprintf (stdout, "FreeM home page: <https://freem.coherent-logic.com>\n\n");
954:
955: exit (1);
956: }
957:
958: void freem_print_version(void)
959: {
960: char verstr[500];
961: stcpy (verstr, FREEM_VERSION_STR);
962: stcnv_m2c (verstr);
963:
964: fprintf (stdout, "Coherent Logic Development FreeM %s\n", verstr);
965: fprintf (stdout, "Copyright (C) 2014, 2020, 2021, 2023 Coherent Logic Development LLC\n\n");
966: fprintf (stdout, "License AGPLv3+: GNU AGPL version 3 or later <https://gnu.org/license/agpl-3.0.html>\n");
967: fprintf (stdout, "This is free software: you are free to change and redistribute it.\n");
968: fprintf (stdout, "There is NO WARRANTY, to the extent permitted by law.\n");
969:
970: exit (0);
971: }
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