Annotation of freem/src/mumps.c, revision 1.28
1.1 snw 1: /*
1.28 ! snw 2: * $Id: mumps.c,v 1.27 2025/04/17 00:34:04 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 $
1.28 ! snw 27: * Revision 1.27 2025/04/17 00:34:04 snw
! 28: * More logging improvements
! 29: *
1.27 snw 30: * Revision 1.26 2025/04/16 17:36:12 snw
31: * Add FreeBSD shm cleanup script
32: *
1.26 snw 33: * Revision 1.25 2025/04/16 05:57:42 snw
34: * Remove non-useful procctl calls
35: *
1.25 snw 36: * Revision 1.24 2025/04/16 05:37:06 snw
37: * Refine FreeBSD ASLR fix
38: *
1.24 snw 39: * Revision 1.23 2025/04/16 05:33:15 snw
40: * Try to use procctl function to fix ASLR problem on FreeBSD
41: *
1.23 snw 42: * Revision 1.22 2025/04/15 16:49:36 snw
43: * Make use of logprintf throughout codebase
44: *
1.22 snw 45: * Revision 1.21 2025/04/15 02:24:43 snw
46: * Improve FreeM logging capabilities
47: *
1.21 snw 48: * Revision 1.20 2025/04/13 04:22:43 snw
49: * Fix snprintf calls
50: *
1.20 snw 51: * Revision 1.19 2025/04/10 01:24:38 snw
52: * Remove C++ style comments
53: *
1.19 snw 54: * Revision 1.18 2025/04/09 19:52:02 snw
55: * Eliminate as many warnings as possible while building with -Wall
56: *
1.18 snw 57: * Revision 1.17 2025/04/04 21:28:16 snw
58: * Remove custom_user and custom_group vars from freem and shed privileges per environment catalog settings
59: *
1.17 snw 60: * Revision 1.16 2025/04/04 19:43:18 snw
61: * Switch to using environment catalog to determine user and group for environment, and remove -u and -g flags from freem
62: *
1.16 snw 63: * Revision 1.15 2025/04/03 20:48:14 snw
64: * Improve daemon error diagnostics and bump to 0.63.0-rc3
65: *
1.15 snw 66: * Revision 1.14 2025/04/02 04:50:49 snw
67: * Allow vendor routines to be upgraded
68: *
1.14 snw 69: * Revision 1.13 2025/04/02 03:26:22 snw
70: * Don't corrupt the terminal if FreeM runs before fmadm configure has been run
71: *
1.13 snw 72: * Revision 1.12 2025/04/02 02:16:27 snw
73: * Add fmadm status environment command and move journals to a better location
74: *
1.12 snw 75: * Revision 1.11 2025/04/01 23:21:45 snw
76: * fmadm commands for stopping, starting, and restarting environments now functional
77: *
1.11 snw 78: * Revision 1.10 2025/04/01 20:11:46 snw
79: * Further work on fmadm
80: *
1.10 snw 81: * Revision 1.9 2025/03/31 20:01:13 snw
82: * Set d_uid in daemon
83: *
1.9 snw 84: * Revision 1.8 2025/03/24 16:10:48 snw
85: * Print error message and exit on OS/2 if daemon is run without --nofork
86: *
1.8 snw 87: * Revision 1.7 2025/03/24 16:07:55 snw
88: * Force daemon into foreground on OS/2
89: *
1.7 snw 90: * Revision 1.6 2025/03/24 16:04:49 snw
91: * Force daemon into foreground on OS/2
92: *
1.6 snw 93: * Revision 1.5 2025/03/22 21:44:32 snw
94: * Make the startup messages fewer and add environment name to direct-mode prompt
95: *
1.5 snw 96: * Revision 1.4 2025/03/09 19:50:47 snw
97: * Second phase of REUSE compliance and header reformat
98: *
1.4 snw 99: *
100: * SPDX-FileCopyrightText: (C) 2025 Coherent Logic Development LLC
101: * SPDX-License-Identifier: AGPL-3.0-or-later
1.1 snw 102: **/
103:
1.16 snw 104: #define _GNU_SOURCE
1.1 snw 105: #include <stdlib.h>
106: #include <stddef.h>
107: #include "mpsdef.h"
108: #include "errmsg.h"
109: #include "iniconf.h"
110: #include "namespace.h"
111: #include "transact.h"
112: #include "init.h"
113: #include "consttbl.h"
114: #include <setjmp.h>
115: #include <stdio.h>
116: #include <signal.h>
117: #include <time.h>
118: #include <unistd.h>
119: #include <sys/types.h>
120: #include <sys/wait.h>
121: #include <sys/stat.h>
122: #include <limits.h>
123: #include <sys/types.h>
124: #include <pwd.h>
125: #include <string.h>
126: #include <fcntl.h>
127: #include "version.h"
128: #include "shmmgr.h"
129: #include "jobtab.h"
130: #include <errno.h>
131: #include <pwd.h>
132: #include <grp.h>
1.21 snw 133: #include "log.h"
1.1 snw 134: #if defined(HAVE_GETOPT_H)
135: # include <getopt.h>
136: #endif
137:
138: #if !defined(PATH_MAX) && defined(_SCO_DS)
139: # define PATH_MAX 1024
140: #endif
141:
142: extern int xecline(int typ);
143: extern char *getenv(const char *name);
144: void freem_usage(void);
145: void freem_print_version(void);
146: void init_ztrap(void);
147:
148: int main (int argc, char **argv, char **envp)
149: {
150: pid_t fork_pid = 0;
151: short dx_mode = 0;
152:
153: int c;
154: int import_env = FALSE;
155: short skip_init = 0;
156:
157: int option_index = 0;
158:
1.13 snw 159: char fm_initialized = FALSE;
160:
1.1 snw 161: char dx_mcode[512];
162: char startup_routine[256];
163: short routine_mode;
164: char m_dialect[50];
165:
166: char nsnbuf[256];
167:
168: char d_username[40];
169: char d_groupname[40];
170: struct group *d_grp;
171: struct passwd *d_user;
172: gid_t d_gid;
173: uid_t d_uid;
174:
175: #if defined(HAVE_GETOPT_LONG)
176: struct option long_options[] = {
177: {"help", no_argument, 0, 'h'},
178: {"filter", no_argument, &frm_filter, TRUE},
179: {"standard", required_argument, 0, 's'},
180: {"import", no_argument, &import_env, TRUE},
181: {"quiet", no_argument, &quiet_mode, TRUE},
182: {"restricted", no_argument, &restricted_mode, TRUE},
183: {"routine", required_argument, 0, 'r'},
184: {"namespace", required_argument, 0, 'n'},
185: {"environment", required_argument, 0, 'e'},
186: {"version", no_argument, 0, 'v'},
187: {"execute", required_argument, 0, 'x'},
188: {"daemon", no_argument, 0, 'd'},
189: {"nofork", no_argument, 0, 'k'},
190: {"shmsize", required_argument, 0, 'S'},
191: {"user", required_argument, 0, 'u'},
192: {"group", required_argument, 0, 'g'},
193: {0, 0, 0, 0}
194: };
195: #endif
196:
197: char **env;
198: char *varname = (char *) calloc(STRLEN, sizeof(char));
199: char *varval = (char *) calloc(STRLEN, sizeof(char));
200:
201: char *symname = (char *) calloc(STRLEN, sizeof(char));
202: char *symval = (char *) calloc(STRLEN, sizeof(char));
1.18 snw 203:
1.1 snw 204: char cli_rtn_path[PATH_MAX] = {0};
205: char *cli_rtn_file;
206: char cli_rtn_name[256];
207:
1.16 snw 208: char env_ena[25];
209:
1.1 snw 210: routine_mode = FALSE;
211: strcpy (m_dialect, "FREEM");
212:
213: m_argc = argc; /* save arguments count */
214: m_argv = argv; /* save arguments string */
215: m_envp = envp; /* save environment pointer */
216:
217: strncpy (shm_env, "DEFAULT", 8); /* establish default environment name */
218:
219: strncpy (d_username, "freem", 40);
220: strncpy (d_groupname, "freem", 40);
221:
222: strcpy (zb, argv[0]); /* name with which mumps has been called */
223: stcnv_c2m (zb);
224: strcpy (stack0, argv[0]);
225: stcnv_c2m (stack0);
226:
227: /* strncpy (config_file, SYSCONFDIR"/freem.conf", 100); */
228:
229:
230:
231: #if defined(HAVE_GETOPT_LONG)
232:
233: extern char *optarg;
234: extern int optind, optopt;
235:
236: while (1) {
237:
1.16 snw 238: c = getopt_long (argc, argv, "hsfiqRr:n:e:vx:dkpS", long_options, &option_index);
1.1 snw 239:
240: if (c == -1) break;
241: if (c == '?') freem_usage ();
242:
243: switch (c) {
244: case 'h':
245: freem_usage ();
246: break;
247:
248: case 'f':
249: frm_filter = TRUE;
250: break;
251:
252: case 'i':
253: import_env = TRUE;
254: break;
255:
256: case 'q':
257: quiet_mode = TRUE;
258: break;
259:
260: case 'e': /* specify FreeM environment */
1.19 snw 261: strncpy (shm_env, optarg, sizeof (shm_env) - 1);
1.1 snw 262: break;
263:
264: case 'R':
265: restricted_mode = TRUE;
266: break;
267:
268: case 'r': /* startup routine */
269: direct_mode = FALSE;
270: usermode = 0;
271:
272: strcpy (startup_routine, optarg);
273: startup_routine[strlen (startup_routine)] = '\201';
274:
275: routine_mode = TRUE;
276: break;
277:
278: case 'n': /* namespace */
279: {
280: if (validate_namespace (optarg) == TRUE) {
281: strcpy (nsname, optarg);
282: }
283: else {
284: fprintf (stderr, "freem: invalid namespace '%s'\n", optarg);
285: exit (1);
286: }
287:
288: break;
289: }
290: case 'v': /* version */
291: freem_print_version ();
292: break;
293:
294: case 'x': /* execute */
295: direct_mode = FALSE;
296: usermode = 0;
297: dx_mode = 1;
298:
299: strncpy (dx_mcode, optarg, 512 - 1);
300:
301: stcnv_c2m (dx_mcode);
302:
303: break;
304:
305: case 's': /* --standard */
306:
307: if (strcmp (optarg, "M77") == 0) {
308: standard = D_M77;
309: strcpy (m_dialect, "M 1977");
310: }
311: else if (strcmp (optarg, "M84") == 0) {
312: standard = D_M84;
313: strcpy (m_dialect, "M 1984");
314: }
315: else if (strcmp (optarg, "M90") == 0) {
316: standard = D_M90;
317: strcpy (m_dialect, "M 1990");
318: }
319: else if (strcmp (optarg, "M95") == 0) {
320: standard = D_M95;
321: strcpy (m_dialect, "M 1995");
322: }
323: else if (strcmp (optarg, "MDS") == 0) {
324: standard = D_MDS;
325: strcpy (m_dialect, "Millennium Draft Standard");
326: }
327: else if (strcmp (optarg, "M5") == 0) {
328: standard = D_M5;
329: strcpy (m_dialect, "M5");
330: }
331: else if (strcmp (optarg, "FREEM") == 0) {
332: standard = D_FREEM;
333: strcpy (m_dialect, "FREEM");
334: }
335: else {
336: freem_usage ();
337: }
338:
339: break;
340:
341: case 'd': /* --daemon */
342: run_daemon = TRUE;
343: break;
344:
345: case 'k': /* --nofork */
346: nofork = TRUE;
347: break;
348:
349: case 'S': /* --shmsize */
350: shm_init_size = atol (optarg);
1.16 snw 351: break;
1.1 snw 352:
353: }
354:
355: }
356:
357: #else
358:
359: {
360: extern char *optarg;
361: extern int optind, optopt;
362:
1.16 snw 363: while ((c = getopt (argc, argv, "hsfiqRr:n:e:vx:dkS:")) != -1) {
1.1 snw 364:
365: if (c == '?') freem_usage ();
366:
367: switch (c) {
368:
369: case 'h':
370: freem_usage ();
371: break;
372:
373: case 'f':
374: frm_filter = TRUE;
375: break;
376:
377: case 'i':
378: import_env = TRUE;
379: break;
380:
381: case 'q':
382: quiet_mode = TRUE;
383: break;
384:
385: case 'e': /* specify FreeM environment */
1.19 snw 386: strncpy (shm_env, optarg, sizeof (shm_env) - 1);
1.1 snw 387: break;
388:
389: case 'R':
390: restricted_mode = TRUE;
391: break;
392:
393: case 'r': /* startup routine */
394: direct_mode = FALSE;
395: usermode = 0;
396:
397: strcpy (startup_routine, optarg);
398: startup_routine[strlen (startup_routine)] = '\201';
399:
400: routine_mode = TRUE;
401: break;
402:
403: case 'n': /* namespace */
404: strcpy (nsname, optarg);
405: break;
406:
407: case 'v':
408: freem_print_version ();
409: break;
410:
411: case 'x': /* execute */
412: direct_mode = FALSE;
413: usermode = 0;
414: dx_mode = 1;
415:
416: strncpy (dx_mcode, optarg, 512 - 1);
417:
418: stcnv_c2m (dx_mcode);
419:
420: break;
421:
422: case 'd': /* --daemon */
423: run_daemon = TRUE;
424: break;
425:
426: case 'k': /* --nofork */
427: nofork = TRUE;
428: break;
429:
430: case 's': /* --standard */
431:
432: if (strcmp (optarg, "M77") == 0) {
433: standard = D_M77;
434: strcpy (m_dialect, "M 1977");
435: }
436: else if (strcmp (optarg, "M84") == 0) {
437: standard = D_M84;
438: strcpy (m_dialect, "M 1984");
439: }
440: else if (strcmp (optarg, "M90") == 0) {
441: standard = D_M90;
442: strcpy (m_dialect, "M 1990");
443: }
444: else if (strcmp (optarg, "M95") == 0) {
445: standard = D_M95;
446: strcpy (m_dialect, "M 1995");
447: }
448: else if (strcmp (optarg, "MDS") == 0) {
449: standard = D_MDS;
450: strcpy (m_dialect, "Millennium Draft Standard");
451: }
452: else if (strcmp (optarg, "M5") == 0) {
453: standard = D_M5;
454: strcpy (m_dialect, "M5");
455: }
456: else if (strcmp (optarg, "FREEM") == 0) {
457: standard = D_FREEM;
458: strcpy (m_dialect, "FREEM");
459: }
460: else {
461: freem_usage ();
462: }
463:
464: break;
465:
466:
467: case 'S': /* --shmsize */
468: shm_init_size = atol (optarg);
469: break;
470:
471: }
472: }
473: }
474: #endif
1.6 snw 475:
476: #if defined(__OS2__)
477: if (run_daemon == TRUE && nofork == FALSE) {
1.8 snw 478: printf ("freem: running on OS/2; daemon must be run with --nofork or -k\r\n");
479: exit (1);
1.6 snw 480: }
481: #endif
482:
1.20 snw 483: snprintf (config_file, sizeof (config_file) - 1, "%s/freem/%s/freem.conf", SYSCONFDIR, shm_env);
484: snprintf (env_config_file, sizeof (config_file) - 1, "%s/freem/env.conf", SYSCONFDIR);
1.1 snw 485:
1.16 snw 486: if (!file_exists (env_config_file)) {
1.22 snw 487: logprintf (FM_LOG_FATAL, "freem: environment catalog does not exist; may need to run fmadm configure");
1.16 snw 488: }
489:
490: if (!file_exists (config_file)) {
1.22 snw 491: logprintf (FM_LOG_FATAL, "freem: configuration file for %s does not exist; may need to run fmadm configure", shm_env);
1.16 snw 492: }
493:
494: if (read_profile_string (env_config_file, shm_env, "user", d_username) == FALSE) {
1.22 snw 495: logprintf (FM_LOG_FATAL, "freem: could not determine owning user for environment %s", shm_env);
1.16 snw 496: }
497:
498: if (read_profile_string (env_config_file, shm_env, "group", d_groupname) == FALSE) {
1.22 snw 499: logprintf (FM_LOG_FATAL, "freem: could not determine owning group for environment %s", shm_env);
1.16 snw 500: }
1.1 snw 501:
1.16 snw 502: if (read_profile_string (env_config_file, shm_env, "enabled", env_ena) == FALSE) {
1.22 snw 503: logprintf (FM_LOG_FATAL, "freem: could not discover enabled state for environment %s", shm_env);
1.16 snw 504: }
1.1 snw 505:
1.16 snw 506: if (strcmp (env_ena, "true") != 0) {
1.22 snw 507: logprintf (FM_LOG_FATAL, "freem: environment %s is administratively disabled", shm_env);
1.16 snw 508: }
1.1 snw 509:
1.16 snw 510: d_grp = getgrnam (d_groupname);
511: if (d_grp == NULL) {
1.22 snw 512: logprintf (FM_LOG_FATAL, "freem: invalid group '%s'", d_groupname);
1.16 snw 513: }
514: d_gid = d_grp->gr_gid;
515:
516: d_user = getpwnam (d_username);
517: if (d_user == NULL) {
1.22 snw 518: logprintf (FM_LOG_FATAL, "freem: invalid user '%s'", d_username);
1.16 snw 519: }
520: d_uid = d_user->pw_uid;
1.1 snw 521:
1.16 snw 522:
523: #if defined(__linux__)
524: if (run_daemon == FALSE && group_member (d_gid) == 0) {
1.22 snw 525: logprintf (FM_LOG_FATAL, "freem: you must be a member of the %s group to use environment %s", d_groupname, shm_env);
1.17 snw 526: }
1.16 snw 527: #endif
528:
1.27 snw 529:
1.16 snw 530: if (run_daemon == TRUE) {
531: if (geteuid () != 0 && nofork == FALSE) {
1.22 snw 532: logprintf (FM_LOG_FATAL, "freem: forking daemon must be run as root");
1.16 snw 533: }
1.1 snw 534: }
535:
1.27 snw 536:
1.1 snw 537: if ((nofork == TRUE) && (run_daemon == FALSE)) {
538: freem_usage ();
539: exit (1);
540: }
541:
542: if ((run_daemon == TRUE) && (nofork == FALSE)) {
543:
544: int fork_fd;
1.22 snw 545:
546: init_log ();
1.1 snw 547:
548: /* daemonize */
549:
550: fork_pid = fork ();
551:
552: if (fork_pid < 0) {
1.22 snw 553: logprintf (FM_LOG_FATAL, "environment error: failure in initial fork()");
1.1 snw 554: }
555:
556: if (fork_pid > 0) {
557: exit (0);
558: }
559:
560: if (setsid () < 0) {
1.22 snw 561: logprintf (FM_LOG_FATAL, "environment error: failure in setsid()");
1.1 snw 562: }
563:
564: signal (SIGCHLD, SIG_IGN);
565:
566: fork_pid = fork ();
567:
568: if (fork_pid < 0) {
1.22 snw 569: logprintf (FM_LOG_FATAL, "environment error: failure in second fork()");
1.1 snw 570: }
571:
572: if (fork_pid > 0) {
1.22 snw 573: logprintf (FM_LOG_DEBUG, "environment: exiting from second fork()");
1.1 snw 574: exit (0);
575: }
576:
577: umask (0);
578:
579: chdir ("/");
580:
581: for (fork_fd = sysconf (_SC_OPEN_MAX); fork_fd > 0; fork_fd--) {
582: close (fork_fd);
583: }
584:
585: if (geteuid () == 0) {
1.22 snw 586:
1.1 snw 587: /* shed privileges */
1.22 snw 588: logprintf (FM_LOG_INFO, "environment: switching to group %s", d_groupname);
1.17 snw 589:
590: if (setgid (d_gid) == -1) {
1.22 snw 591: logprintf (FM_LOG_FATAL, "environment error: failure switching GID");
1.1 snw 592: }
1.17 snw 593:
1.1 snw 594:
595:
1.17 snw 596: if (d_uid != geteuid ()) {
1.22 snw 597:
598: logprintf (FM_LOG_INFO, "environment: switching to username %s", d_username);
1.1 snw 599:
600: if (setuid (d_uid) == -1) {
1.22 snw 601: logprintf (FM_LOG_FATAL, "environment error: failure switching UID");
1.1 snw 602: }
603: }
604:
1.26 snw 605: logprintf (FM_LOG_INFO, "environment: privilege shedding complete");
606:
1.1 snw 607: }
608: else {
1.22 snw 609: logprintf (FM_LOG_INFO, "environment: not running as superuser; not shedding privileges");
1.1 snw 610: }
611:
1.26 snw 612: logprintf (FM_LOG_INFO, "environment: reopening stdin, stdout, and stderr");
1.1 snw 613: freopen ("/dev/null", "r", stdin);
614: freopen ("/dev/null", "w+", stdout);
615: freopen ("/dev/null", "w+", stderr);
1.26 snw 616: logprintf (FM_LOG_INFO, "environment: stdin, stdout, and stderr reopened");
1.1 snw 617:
618: run_daemon = TRUE;
619: nofork = FALSE;
620:
621: {
622: char pidfile_buf[256];
623: int errsav;
624:
1.11 snw 625: pid_file_path = (char *) malloc (PATH_MAX * sizeof (char));
626: NULLPTRCHK(pid_file_path,"main");
627:
1.10 snw 628: snprintf (pid_file_path, PATH_MAX - 1, "%s/freem/run/%s.pid", LOCALSTATEDIR, shm_env);
629:
1.26 snw 630: logprintf (FM_LOG_INFO, "environment: opening pid file %s", pid_file_path);
1.1 snw 631: pid_fd = open (pid_file_path, O_RDWR | O_CREAT, 0640);
632: errsav = errno;
633:
634: if (pid_fd < 0) {
1.22 snw 635: logprintf (FM_LOG_FATAL, "environment error: could not open PID file %s [%s]", pid_file_path, strerror (errsav));
1.1 snw 636: }
637:
638: if (lockf (pid_fd, F_TLOCK, 0) < 0) {
639: errsav = errno;
1.22 snw 640: logprintf (FM_LOG_FATAL, "environment error: could not lock PID file [%s]", strerror (errsav));
1.1 snw 641: }
642:
1.10 snw 643: sprintf (pidfile_buf, "%ld\n", (long) getpid ());
1.26 snw 644: logprintf (FM_LOG_INFO, "environment: writing pid file");
1.1 snw 645: write (pid_fd, pidfile_buf, strlen (pidfile_buf));
1.10 snw 646:
1.1 snw 647: }
648:
649:
650: } /* END of daemonization */
651:
652: /* handle passing of an arbitrary .m file on the command line */
653: /* this is most often used for shebang-line scripts. */
654: if (optind < argc) {
655:
656: /* not valid for daemon mode */
657: if (run_daemon == TRUE) {
658: fprintf (stderr, "freem: cannot pass --daemon flag in shebang line\r\n");
659: exit (1);
660: }
661:
662: /* bail if file does not exist */
663: if (access (argv[optind], F_OK) == -1) {
664:
665: set_io (UNIX);
666:
667: fprintf (stderr, "Routine %s does not exist.\n", argv[optind]);
668:
669: exit (1);
670:
671: }
672:
673: skip_init = 1;
674:
675: /* initialize FreeM environment */
1.19 snw 676: strncpy (nsnbuf, nsname, sizeof (nsnbuf));
1.1 snw 677: if (init (nsnbuf) == FALSE) {
678:
1.14 snw 679: if (fm_initialized) set_io (UNIX);
1.1 snw 680: fprintf (stderr, "\nError initializing FreeM.\n");
681:
682: exit (1);
683:
1.13 snw 684: }
685: else {
686: fm_initialized = TRUE;
687: }
1.1 snw 688:
689:
690: direct_mode = FALSE;
691: usermode = 0;
692:
693: /* was a path specified at all? */
694: if (strchr (argv[optind], '/') == NULL) {
695:
696: /* the entirety of argv[optind] is the filename */
697: cli_rtn_file = argv[optind];
698:
699: /* use the current directory */
700: sprintf (cli_rtn_path, ".");
701:
702: }
703: else {
704:
705: /* isolate the filename from the path */
706: cli_rtn_file = strrchr (argv[optind], '/') + 1;
707:
708: /* isolate the routine name from the filename */
709: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
710:
711: /* isolate the path from the routine file */
712: strncpy (cli_rtn_path, argv[optind], strrchr (argv[optind], '/') - argv[optind]);
713:
714: }
715:
716: /* do we have a file extension? */
717: if (strchr (cli_rtn_file, '.') != NULL) {
718:
719: /* if so, just remove it */
720: strncpy (cli_rtn_name, cli_rtn_file, strchr (cli_rtn_file, '.') - cli_rtn_file);
721:
722: }
723: else {
724:
725: /* otherwise, just take a direct copy */
726: strcpy (cli_rtn_name, cli_rtn_file);
727:
728: }
729:
730: /* make this the startup routine */
1.20 snw 731: snprintf (startuprou, sizeof (startuprou) - 1, "^%s\201", cli_rtn_name);
1.1 snw 732:
733: /* re-work the namespace config to search for the
734: routine in the discovered path */
735: if (cli_rtn_name[0] == '%') {
736:
1.20 snw 737: snprintf (rou0plib, sizeof (rou0plib) - 1, "%s\201", cli_rtn_path);
738: snprintf (rou1plib, sizeof (rou1plib) - 1, "%s\201", cli_rtn_path);
1.1 snw 739:
740: }
741: else {
742:
1.20 snw 743: snprintf (rou0path, sizeof (rou0path) - 1, "%s\201", cli_rtn_path);
744: snprintf (rou1path, sizeof (rou1path) - 1, "%s\201", cli_rtn_path);
1.1 snw 745:
746: }
747:
748: }
749:
1.13 snw 750:
1.1 snw 751: if (!file_exists (config_file)) {
752:
1.13 snw 753: if (fm_initialized == TRUE) set_io (UNIX);
754:
1.1 snw 755: fprintf (stderr, "\nFreeM has not been configured. Please run 'fmadm configure'.\n\n\n\n");
756:
757: exit (2);
758:
759: }
760:
761: if (!skip_init) {
762: /* initialize FreeM environment */
1.19 snw 763: strncpy (nsnbuf, nsname, sizeof (nsnbuf));
1.13 snw 764: if (init (nsnbuf) == FALSE) {
1.1 snw 765: set_io (UNIX);
766: fprintf (stderr, "\nError initializing FreeM.\n");
767:
768: exit (1);
769: }
1.13 snw 770: else {
771: fm_initialized = TRUE;
772: }
1.24 snw 773: }
774:
1.1 snw 775: if (first_process == TRUE) {
776:
777: char verstr[500];
778: pid_t stop_requester;
779:
780: if (run_daemon == FALSE) {
1.22 snw 781: logprintf (FM_LOG_FATAL, "freem: re-run with --daemon or -d command-line flags");
1.1 snw 782: }
783:
784: stcpy (verstr, FREEM_VERSION_STR);
785: stcnv_m2c (verstr);
786:
787: fprintf (stderr, "Coherent Logic Development FreeM version %s\r\n", verstr);
1.22 snw 788: logprintf (FM_LOG_INFO, "freem: shared memory for environment %s initialized (%ld bytes of shared memory @ '%p')", shm_env, (long) shm_init_size, shm_config->dta);
1.1 snw 789:
790: for (;;) {
791:
792: job_set_status (pid, JSTAT_HOUSEKEEPING);
793:
794:
795: if (shm_config->hdr->maintenance_mode == 1) {
796:
797: job_slot_t *slot;
798:
1.22 snw 799: logprintf (FM_LOG_WARNING, "environment: entering maintenance mode");
1.1 snw 800:
1.28 ! snw 801: for (slot = SOA(shm_config->hdr->jobtab_head); slot != NULL; slot = SOA(slot->next)) {
1.1 snw 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:
1.22 snw 818: logprintf (FM_LOG_INFO, "environment: STOP requested by pid %ld", stop_requester);
819: logprintf (FM_LOG_INFO, "environment: there are %d job(s) connected to this environment", connected_jobs);
1.1 snw 820:
821: if (connected_jobs > 1) {
822:
1.22 snw 823: logprintf (FM_LOG_INFO, "environment: asking non-daemon job(s) to disconnect and halt...");
1.1 snw 824: job_request_all_stop ();
825:
1.22 snw 826: logprintf (FM_LOG_INFO, "environment: waiting 5 seconds for job(s) to disconnect...");
1.1 snw 827: sleep (5);
828:
829: connected_jobs = job_count ();
1.22 snw 830: if (connected_jobs > 1) {
831: logprintf (FM_LOG_INFO, "environment: sending SIGTERM to %d job(s)...", connected_jobs);
1.1 snw 832: job_signal_all (SIGTERM);
1.22 snw 833: logprintf (FM_LOG_INFO, "environment: waiting 5 seconds for job(s) to disconnect...");
1.1 snw 834:
835: sleep (5);
836: }
837:
838: connected_jobs = job_count ();
839: if (connected_jobs > 1) {
1.22 snw 840: logprintf (FM_LOG_INFO, "environment: sending SIGKILL to %d job(s)...", connected_jobs);
1.1 snw 841: job_signal_all (SIGKILL);
842: }
843:
844: job_gc_mark ();
845: job_gc_sweep ();
846:
847: }
848:
1.22 snw 849: logprintf (FM_LOG_INFO, "freem: terminating");
1.1 snw 850: cleanup ();
1.11 snw 851:
1.1 snw 852: exit (0);
853:
854: }
1.28 ! snw 855:
1.1 snw 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 ();
1.28 ! snw 862:
1.1 snw 863: sleep (1);
864: }
865:
866: }
867:
868:
869: #if !defined(_AIX)
1.18 snw 870: if (import_env == TRUE) {
1.1 snw 871: int i_maxlen = 255;
872:
1.18 snw 873: for (env = envp; *env != 0; env++) {
874: varname = strtok (*env, "=");
875: varval = strtok (NULL, "=");
1.1 snw 876:
1.18 snw 877: if (varval != NULL) {
1.1 snw 878: snprintf (symname, i_maxlen, "ENV.%s\201\201", varname);
1.19 snw 879: strncpy (symval, varval, i_maxlen - 1);
1.1 snw 880:
881: stcnv_c2m (symval);
882:
883: symtab (set_sym, symname, symval);
884: }
885: }
886: }
887: #endif
888:
889:
890: if (direct_mode == TRUE && quiet_mode == FALSE) {
891:
892: char verstr[500];
893: char version[256];
894:
895: stcpy (verstr, FREEM_VERSION_STR);
896: stcnv_m2c (verstr);
897:
1.20 snw 898: 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 899: write_m (version);
900:
1.20 snw 901: snprintf (version, sizeof (version) - 1, "Copyright (C) 2014, 2020, 2021, 2023, 2025 Coherent Logic Development LLC\r\n\r\n\201");
1.1 snw 902: write_m (version);
903:
1.5 snw 904: /*
1.1 snw 905: printf ("Environment: \t%s\r\n", shm_env);
906: printf ("Environment Daemon:\tPID %d\r\n", shm_config->hdr->first_process);
907: printf ("Interpreter Process:\tPID %d\r\n", pid);
1.5 snw 908: */
1.1 snw 909:
910: }
911: else {
912: write_m ("\r\n\r\n\201");
913: }
914:
915: if (dx_mode) {
916: char k_buf[512];
917:
1.20 snw 918: snprintf (k_buf, sizeof (k_buf) - 1, "%%TMPINITMCODE\201\201");
1.1 snw 919: symtab (set_sym, k_buf, dx_mcode);
920: const_define (k_buf, dx_mcode);
921: }
922:
923: if (routine_mode) {
924: char k_buf[512];
925:
1.20 snw 926: snprintf (k_buf, sizeof (k_buf) - 1, "%%TMPINITROUTINE\201\201");
1.1 snw 927: symtab (set_sym, k_buf, startup_routine);
928: const_define (k_buf, startup_routine);
929: }
930:
931: /* run mumps */
932: xecline (1);
933:
934: exit (0); /* we should never reach that statement */
935:
936: } /* end of main() */
937:
938: void freem_usage(void)
939: {
940: fprintf (stdout, "\nusage: freem [OPTION...]\n\n");
941:
942: fprintf (stdout, "OPTIONS:\n\n");
943:
944: #if defined(HAVE_GETOPT_LONG)
945: fprintf (stdout, "\t-h, --help\n\t\tdisplays this help message\n\n");
946: fprintf (stdout, "\t-i, --import\n\t\timports UNIX environment variables as M locals\n\n");
947: fprintf (stdout, "\t-e <environment-name>, --environment=<environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
948: fprintf (stdout, "\t-f, --filter\n\t\tallows M code to be used as a filter\n\n");
949: fprintf (stdout, "\t-n <NAMESPACE>, --namespace=<NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
950: fprintf (stdout, "\t-q, --quiet\n\t\tdisables startup messages and prompt string\n\n");
951: fprintf (stdout, "\t-r <LABEL^ROUTINE>, --routine=<LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
952: fprintf (stdout, "\t-s, --standard\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
953: fprintf (stdout, "\t-v, --version\n\t\tdisplay FreeM version information\n\n");
954: fprintf (stdout, "\t-x <MCODE>, --execute=<MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
955: fprintf (stdout, "\t-d, --daemon\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
956: fprintf (stdout, "\t-k, --nofork\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
957: 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");
958: #else
959: fprintf (stdout, "\t-h\n\t\tdisplays this help message\n\n");
960: fprintf (stdout, "\t-i\n\t\timports UNIX environment variables as M locals\n\n");
961: fprintf (stdout, "\t-e <environment-name>\n\t\tsets active environment to <environment-name> (DEFAULT if unspecified)\n\n");
962: fprintf (stdout, "\t-f\n\t\tallows M code to be used as a filter\n\n");
963: fprintf (stdout, "\t-n <NAMESPACE>\n\t\tselects <NAMESPACE> as the startup namespace instead of USER\n\n");
964: fprintf (stdout, "\t-q\n\t\tdisables startup messages and prompt string\n\n");
965: fprintf (stdout, "\t-r <LABEL^ROUTINE>\n\t\texecute <LABEL^ROUTINE> on startup instead of entering direct mode\n\n");
966: fprintf (stdout, "\t-s\n\t\trestrict access to FreeM vendor extensions not present in relevant standards*\n\n");
967: fprintf (stdout, "\t-v\n\t\tdisplay FreeM version information\n\n");
968: fprintf (stdout, "\t-x <MCODE>\n\t\texecute M code <MCODE> on startup\n\n");
969: fprintf (stdout, "\t-d\n\t\trun the FreeM daemon (one and only one FreeM daemon must always be running)\n\n");
970: fprintf (stdout, "\t-k\n\t\trun the FreeM daemon in foreground (requires --daemon)\n\n");
971: 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");
972: #endif
973: fprintf (stdout, "\t\t - Each concurrent job takes %d bytes (1 page) of shared memory\n", PG_SIZE);
974: fprintf (stdout, "\t\t - Each LOCK takes %d bytes (2 pages) of shared memory\n", PG_SIZE * 2);
975: fprintf (stdout, "\t\t - Each IPC takes %d bytes (1 page) of shared memory\n\n", PG_SIZE);
976: fprintf (stdout, "\t* FreeM attempts to conform (at least loosely) to the Millennium Draft Standard when this mode is selected.\n\n\n");
977: fprintf (stdout, "Report bugs to: freem-bugs@coherent-logic.com\n");
978: fprintf (stdout, "FreeM home page: <https://freem.coherent-logic.com>\n\n");
979:
980: exit (1);
981: }
982:
983: void freem_print_version(void)
984: {
985: char verstr[500];
986: stcpy (verstr, FREEM_VERSION_STR);
987: stcnv_m2c (verstr);
988:
989: fprintf (stdout, "Coherent Logic Development FreeM %s\n", verstr);
990: fprintf (stdout, "Copyright (C) 2014, 2020, 2021, 2023 Coherent Logic Development LLC\n\n");
991: fprintf (stdout, "License AGPLv3+: GNU AGPL version 3 or later <https://gnu.org/license/agpl-3.0.html>\n");
992: fprintf (stdout, "This is free software: you are free to change and redistribute it.\n");
993: fprintf (stdout, "There is NO WARRANTY, to the extent permitted by law.\n");
994:
995: exit (0);
996: }
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