[moira.git] / gen / aliases.dc

/* $Header$
 *
 * This generates the /usr/lib/aliases mail aliases file for the mailhub.
 * The aliases file will contain:
 *	user pobox entries
 *	maillist expansions
 *	sublists of maillists
 *
 *  (c) Copyright 1988, 1990 by the Massachusetts Institute of Technology.
 *  For copying and distribution information, please see the file
 *  <mit-copyright.h>.
 */


#include <mit-copyright.h>
#include <stdio.h>
#include <string.h>
#include <moira.h>
#include <moira_site.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
EXEC SQL INCLUDE sqlca;


#define ML_WID	72
#define AL_MAX_WID 592

char *divide = "########################################################################";
extern int errno;
char *whoami = "aliases.gen";
FILE *out;

main(argc, argv)
int argc;
char **argv;
{
    long tm = time(NULL);
    char filename[64], *targetfile;
    struct stat sb;
    int flag1, flag2, flag3;

    out = stdout;
    initialize_sms_error_table();
#ifsql INGRES
    EXEC SQL CONNECT moira;
#endsql
#ifsql INFORMIX
    EXEC SQL DATABASE moira;
#endsql


    if (argc == 2) {
	if (stat(argv[1], &sb) == 0) {

	  if (ModDiff (&flag1, "list", sb.st_mtime) ||
	      ModDiff (&flag2, "imembers", sb.st_mtime) ||
	      ModDiff (&flag3, "users", sb.st_mtime)) exit (MR_DATE);

	  if (flag1 < 0 && flag2 < 0 && flag3 < 0) {
	    fprintf(stderr, "File %s does not need to be rebuilt.\n",
		    argv[1]);
	    exit(MR_NO_CHANGE);
	  }
	}
	targetfile = argv[1];
	sprintf(filename, "%s~", targetfile);
	if ((out = fopen(filename, "w")) == NULL) {
	    fprintf(stderr, "unable to open %s for output\n", filename);
	    exit(MR_OCONFIG);
	}
    } else if (argc != 1) {
	fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
	exit(MR_ARGS);
    }

    fprintf(out, "%s\n# Aliases File Extract of %s", divide, ctime(&tm));
    fprintf(out, "# This file is automatically generated, do not edit it directly.\n%s\n\n", divide);

    get_info();
#ifsql INFORMIX
    EXEC SQL COMMIT WORK;
#endif
#ifsql INGRES
    EXEC SQL DISCONNECT;
#endsql

    fprintf(stderr, "Dumping information\n");
    do_mlists(out);
    do_poboxes(out);

    fprintf(out, "\n%s\n# End of aliases file\n%s\n", divide, divide);


    if (fclose(out)) {
	perror("close failed");
	exit(MR_CCONFIG);
    }

    if (argc == 2)
      fix_file(targetfile);
    exit(MR_SUCCESS);
}


struct hash *users, *machines, *strings, *lists;
struct user {
    char login[9];
    char *pobox;
};
struct member {
    struct member *next;
    char *name;
    int list_id;
};
struct list {
    char *name;
    char maillist;
    char acl_t;
    char *description;
    int acl_id;
    struct member *m;
};


get_info()
{
    EXEC SQL BEGIN DECLARE SECTION;
    int id, maillistp, acl, pid, bid, mid;
    char name[129], type[9], buf[257];
    EXEC SQL END DECLARE SECTION;
    char *s;
    register struct user *u;
    register struct list *l;
    register struct member *m;
    register struct list *memberlist;

    EXEC SQL WHENEVER SQLERROR GOTO sqlerr;

    /* get locks */
    EXEC SQL SELECT modtime INTO :buf FROM list WHERE LIST_ID = 0;
    EXEC SQL SELECT modtime INTO :buf FROM users WHERE USERS_ID = 0;

    fprintf(stderr, "Loading machines\n");
    machines = create_hash(1000);

    EXEC SQL DECLARE m_cursor CURSOR FOR 
      SELECT mach_id, name 
	FROM machine;
    EXEC SQL OPEN m_cursor;
    while (1) {
      EXEC SQL FETCH m_cursor INTO :id, :name;
      if (sqlca.sqlcode != 0) break;
      if (s = index(name, '.'))
	*s = 0;
#ifdef ATHENA
      strcat(name, ".LOCAL");
#endif
      hash_store(machines, id, strsave(name));
    }
    EXEC SQL CLOSE m_cursor;


    fprintf(stderr, "Loading strings\n");
    strings = create_hash(2000);

    EXEC SQL DECLARE s_cursor CURSOR FOR 
      SELECT string_id, string 
	FROM strings;
    EXEC SQL OPEN s_cursor;
    while (1) {
      EXEC SQL FETCH s_cursor INTO :id, :name;
      if (sqlca.sqlcode != 0) break;
      hash_store(strings, id, strsave(strtrim(name)));
    }
    EXEC SQL CLOSE s_cursor;

    fprintf(stderr, "Loading users\n");
    users = create_hash(12001);

    EXEC SQL DECLARE u_cursor CURSOR FOR
      SELECT users_id, login, potype, pop_id, box_id
	FROM users WHERE status = 1 OR status = 5 OR status = 6;
    EXEC SQL OPEN u_cursor;
    while (1) {
        EXEC SQL FETCH u_cursor INTO :id, :name, :type, :pid, :bid;
	if (sqlca.sqlcode != 0) break;
	u = (struct user *) malloc(sizeof(struct user));
	strcpy(u->login, strtrim(name));
	if (type[0] == 'P') {
	    if (s = hash_lookup(machines, pid)) {
		sprintf(buf, "%s@%s", name, s);
		u->pobox = strsave(buf);
	    } else {
		u->pobox = (char *) NULL;
		fprintf(stderr, "User %s's pobox is on a missing machine!\n",
			u->login);
	    }
	} else if (type[0] ==  'S') {
	    if ((u->pobox = hash_lookup(strings, bid)) == NULL) {
		u->pobox = (char *) NULL;
		fprintf(stderr, "User %s's pobox string is missing!\n",
			u->login);
	    }
	} else
	  u->pobox = (char *) NULL;
	hash_store(users, id, u);
     }
    EXEC SQL CLOSE u_cursor;

    fprintf(stderr, "Loading lists\n");
    lists = create_hash(15001);

    EXEC SQL DECLARE l_cursor CURSOR FOR
      SELECT list_id, name, maillist, description, acl_type, acl_id
	FROM list WHERE active != 0;
    EXEC SQL OPEN l_cursor;
    while (1) {
        EXEC SQL FETCH l_cursor INTO :id, :name, :maillistp,
	                             :buf, :type, :acl;
	if (sqlca.sqlcode != 0) break;
	l = (struct list *) malloc(sizeof(struct list));
	l->name = strsave(strtrim(name));
	l->maillist = maillistp;
	l->description = strsave(strtrim(buf));
	l->acl_t = type[0];
	l->acl_id = acl;
	l->m = (struct member *) NULL;
	hash_store(lists, id, l);
      }
    EXEC SQL CLOSE l_cursor;

    fprintf(stderr, "Loading members\n");

    EXEC SQL DECLARE mem_cursor CURSOR FOR
      SELECT list_id, member_type, member_id
	FROM imembers WHERE direct = 1;
    EXEC SQL OPEN mem_cursor;
    while (1) {
        EXEC SQL FETCH mem_cursor INTO :id, :type, :mid;
	if (sqlca.sqlcode != 0) break;
	if (l = (struct list *) hash_lookup(lists, id)) {
	    m = (struct member *) malloc(sizeof(struct member));
	    if (type[0] == 'U' &&
		(u = (struct user *) hash_lookup(users, mid))) {
		m->list_id = 0;
		m->name = u->login;
		m->next = l->m;
		l->m = m;
	    } else if (type[0] == 'L' &&
		       (memberlist = (struct list *) hash_lookup(lists, mid))) {
		m->list_id = mid;
		m->name = memberlist->name;
		m->next = l->m;
		l->m = m;
	    } else if (type[0] == 'S' &&
		       (s = hash_lookup(strings, mid))) {
		m->list_id = 0;
		m->name = s;
		m->next = l->m;
		l->m = m;
	    }
	}
    }
    EXEC SQL CLOSE mem_cursor;
    return;
 sqlerr:
    com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
    critical_alert("DCM", "Alias build encountered INGRES ERROR %d",
		   sqlca.sqlcode);
    exit(MR_INGRES_ERR);
}


save_mlist(id, l, force)
int id;
register struct list *l;
int force;
{
    register struct member *m;
    struct list *l1;

    if (l->maillist == 2 ||
	(l->maillist == 0 && !force))
      return;

    if (l->m && l->m->next == NULL &&
	!strcasecmp(l->name, l->m->name)) {
	l->maillist = 0;
	return;
    }
    l->maillist = 2;
    output_mlist(id, l);

    if (l->acl_t == 'L' && (l1 = (struct list *)hash_lookup(lists, l->acl_id)))
      save_mlist(0, l1, 1);
    
    for (m = l->m; m; m = m->next) {
	if (m->list_id && (l1 = (struct list *)hash_lookup(lists, m->list_id)))
	  save_mlist(0, l1, 1);
    }
}


int lwid, bol, awid;

output_mlist(id, l)
int id;
register struct list *l;
{
    struct list *l1;
    register struct member *m;
    struct user *u;

    put_fill(out, l->description);
    if (l->acl_t ==  'L') {
	if (l1 = (struct list *) hash_lookup(lists, l->acl_id))
	  fprintf(out, "owner-%s: %s\n", l->name, l1->name);
    } else if (l->acl_t ==  'U') {
	if (u = (struct user *) hash_lookup(users, l->acl_id))
	  fprintf(out, "owner-%s: %s\n", l->name, u->login);
    }

    fprintf(out, "%s: ", l->name);
    lwid = strlen(l->name) + 2;
    bol = 1;
    for (m = l->m; m; m = m->next)
      do_member(out, m->name);
    if (l->m == (struct member *)NULL)
      fprintf(out, "/dev/null");
    fprintf(out, "\n\n");
}


/* Extract mailing lists.  Make a list of all mailinglists, then
 * process them, adding any sub-lists or acl lists to the list of lists
 * to be processed.  If further sublists are encountered, repeat...
 */

do_mlists(out)
FILE *out;
{
    fprintf(out, "\n%s\n# Mailing lists\n%s\n", divide, divide);
    hash_step(lists, save_mlist, 0);
}


/* print out strings separated by commas, doing line breaks as appropriate */

do_member(out, s)
FILE *out;
register char *s;
{
    register wwid;
    static int cont = 1;

    wwid = strlen(s);

    if (!bol && awid + wwid + 2 > AL_MAX_WID) {
	fprintf(out, ",\n\tcontinuation-%d\ncontinuation-%d: ", cont, cont);
	cont++;
	awid = lwid = 17 + wwid;
	fputs(s, out);
	return;
    }

    if (bol) {
	lwid += wwid;
	awid = lwid;
	fputs(s, out);
	bol = 0;
	return;
    }
    if (lwid + wwid + 2 > ML_WID) {
	fprintf(out, ",\n\t%s", s);
	awid += lwid + wwid + 2;
	lwid = wwid + 8;
	return;
    }
    lwid += wwid + 2;
    fprintf(out, ", %s", s);
}

do_pobox(id, u, out)
int id;
register struct user *u;
FILE *out;
{
    if (u->pobox)
      fprintf(out, "%s: %s\n", u->login, u->pobox);
}


/* Do user poboxes.  Just step through the users table, and print any
 * we extracted earlier.
 */

do_poboxes(out)
FILE *out;
{
    fprintf(out, "\n%s\n# User Poboxes\n%s\n", divide, divide);

    hash_step(users, do_pobox, out);
}


put_fill(aliases, string)
FILE *aliases;
register char *string;
{
    register char *c;
    register int lwid;
    register int wwid;

    if (*string == 0) return;
    fputs("#  ", aliases);
    lwid = 3;

    while (1) {
	while (*string && *string == ' ') string++;
	c = (char *)index(string, ' ');
	if (c == 0) {
	    wwid = strlen(string);
	} else {
	    wwid = c - string;
	    *c = 0;
	}

	if ((lwid + wwid) > ML_WID) {
	    fputs("\n#  ", aliases);
	    lwid = 3;
	    fputs(string, aliases);
	} else {
	    fputs(string, aliases);
	}

	if (c == (char *)0) break;
	/* add a space after the word */
	(void) fputc(' ', aliases);
	wwid++;
	lwid += wwid;
	string += wwid;
	/* add another if after a period */
	if (*--c == '.') {
	    (void) fputc(' ', aliases);
	    lwid++;
	}
    }

    (void) fputc('\n', aliases);
}
Commit	Line	Data
5d5f5413	1	/* $Header$
	2	*
	3	* This generates the /usr/lib/aliases mail aliases file for the mailhub.
	4	* The aliases file will contain:
	5	* user pobox entries
	6	* maillist expansions
	7	* sublists of maillists
	8	*
	9	* (c) Copyright 1988, 1990 by the Massachusetts Institute of Technology.
	10	* For copying and distribution information, please see the file
	11	* <mit-copyright.h>.
	12	*/
	13
	14
	15	#include <mit-copyright.h>
	16	#include <stdio.h>
	17	#include <string.h>
	18	#include <moira.h>
	19	#include <moira_site.h>
	20	#include <sys/types.h>
	21	#include <sys/stat.h>
	22	#include <sys/time.h>
	23	EXEC SQL INCLUDE sqlca;
	24
	25
	26	#define ML_WID 72
f1567ffb	27	#define AL_MAX_WID 592
5d5f5413	28
	29	char *divide = "########################################################################";
	30	extern int errno;
	31	char *whoami = "aliases.gen";
5d5f5413	32	FILE *out;
	33
	34	main(argc, argv)
	35	int argc;
	36	char **argv;
	37	{
	38	long tm = time(NULL);
	39	char filename[64], *targetfile;
	40	struct stat sb;
	41	int flag1, flag2, flag3;
	42
	43	out = stdout;
	44	initialize_sms_error_table();
	45	#ifsql INGRES
bcdea6a2	46	EXEC SQL CONNECT moira;
5d5f5413	47	#endsql
5d5f5413	48	#ifsql INFORMIX
bcdea6a2	49	EXEC SQL DATABASE moira;
5d5f5413	50	#endsql
	51
	52
	53	if (argc == 2) {
	54	if (stat(argv[1], &sb) == 0) {
	55
	56	if (ModDiff (&flag1, "list", sb.st_mtime) \|\|
	57	ModDiff (&flag2, "imembers", sb.st_mtime) \|\|
	58	ModDiff (&flag3, "users", sb.st_mtime)) exit (MR_DATE);
	59
	60	if (flag1 < 0 && flag2 < 0 && flag3 < 0) {
	61	fprintf(stderr, "File %s does not need to be rebuilt.\n",
	62	argv[1]);
	63	exit(MR_NO_CHANGE);
	64	}
	65	}
	66	targetfile = argv[1];
	67	sprintf(filename, "%s~", targetfile);
	68	if ((out = fopen(filename, "w")) == NULL) {
	69	fprintf(stderr, "unable to open %s for output\n", filename);
	70	exit(MR_OCONFIG);
	71	}
	72	} else if (argc != 1) {
	73	fprintf(stderr, "usage: %s [outfile]\n", argv[0]);
	74	exit(MR_ARGS);
	75	}
	76
	77	fprintf(out, "%s\n# Aliases File Extract of %s", divide, ctime(&tm));
	78	fprintf(out, "# This file is automatically generated, do not edit it directly.\n%s\n\n", divide);
	79
	80	get_info();
	81	#ifsql INFORMIX
	82	EXEC SQL COMMIT WORK;
	83	#endif
	84	#ifsql INGRES
	85	EXEC SQL DISCONNECT;
	86	#endsql
	87
	88	fprintf(stderr, "Dumping information\n");
	89	do_mlists(out);
	90	do_poboxes(out);
	91
	92	fprintf(out, "\n%s\n# End of aliases file\n%s\n", divide, divide);
	93
	94
	95	if (fclose(out)) {
	96	perror("close failed");
	97	exit(MR_CCONFIG);
	98	}
	99
	100	if (argc == 2)
	101	fix_file(targetfile);
	102	exit(MR_SUCCESS);
	103	}
	104
	105
	106	struct hash users, machines, strings, lists;
	107	struct user {
	108	char login[9];
	109	char *pobox;
	110	};
	111	struct member {
	112	struct member *next;
	113	char *name;
114	int list_id;
115	};
116	struct list {
117	char *name;
118	char maillist;
119	char acl_t;
120	char *description;
121	int acl_id;
122	struct member *m;
123	};
124
125
126	get_info()
127	{
128	EXEC SQL BEGIN DECLARE SECTION;
129	int id, maillistp, acl, pid, bid, mid;
130	char name[129], type[9], buf[257];
131	EXEC SQL END DECLARE SECTION;
132	char *s;
133	register struct user *u;
134	register struct list *l;
135	register struct member *m;
136	register struct list *memberlist;
137
138	EXEC SQL WHENEVER SQLERROR GOTO sqlerr;
139
140	/* get locks */
141	EXEC SQL SELECT modtime INTO :buf FROM list WHERE LIST_ID = 0;
bcdea6a2	142	EXEC SQL SELECT modtime INTO :buf FROM users WHERE USERS_ID = 0;
5d5f5413	143
	144	fprintf(stderr, "Loading machines\n");
	145	machines = create_hash(1000);
	146
	147	EXEC SQL DECLARE m_cursor CURSOR FOR
	148	SELECT mach_id, name
	149	FROM machine;
	150	EXEC SQL OPEN m_cursor;
	151	while (1) {
	152	EXEC SQL FETCH m_cursor INTO :id, :name;
	153	if (sqlca.sqlcode != 0) break;
	154	if (s = index(name, '.'))
	155	*s = 0;
	156	#ifdef ATHENA
	157	strcat(name, ".LOCAL");
	158	#endif
	159	hash_store(machines, id, strsave(name));
	160	}
	161	EXEC SQL CLOSE m_cursor;
	162
	163
	164	fprintf(stderr, "Loading strings\n");
	165	strings = create_hash(2000);
	166
	167	EXEC SQL DECLARE s_cursor CURSOR FOR
	168	SELECT string_id, string
	169	FROM strings;
	170	EXEC SQL OPEN s_cursor;
	171	while (1) {
	172	EXEC SQL FETCH s_cursor INTO :id, :name;
	173	if (sqlca.sqlcode != 0) break;
	174	hash_store(strings, id, strsave(strtrim(name)));
	175	}
	176	EXEC SQL CLOSE s_cursor;
	177
	178	fprintf(stderr, "Loading users\n");
	179	users = create_hash(12001);
	180
	181	EXEC SQL DECLARE u_cursor CURSOR FOR
	182	SELECT users_id, login, potype, pop_id, box_id
	183	FROM users WHERE status = 1 OR status = 5 OR status = 6;
	184	EXEC SQL OPEN u_cursor;
	185	while (1) {
	186	EXEC SQL FETCH u_cursor INTO :id, :name, :type, :pid, :bid;
	187	if (sqlca.sqlcode != 0) break;
	188	u = (struct user *) malloc(sizeof(struct user));
	189	strcpy(u->login, strtrim(name));
	190	if (type[0] == 'P') {
	191	if (s = hash_lookup(machines, pid)) {
	192	sprintf(buf, "%s@%s", name, s);
	193	u->pobox = strsave(buf);
	194	} else {
	195	u->pobox = (char *) NULL;
	196	fprintf(stderr, "User %s's pobox is on a missing machine!\n",
	197	u->login);
	198	}
	199	} else if (type[0] == 'S') {
	200	if ((u->pobox = hash_lookup(strings, bid)) == NULL) {
	201	u->pobox = (char *) NULL;
	202	fprintf(stderr, "User %s's pobox string is missing!\n",
	203	u->login);
	204	}
	205	} else
	206	u->pobox = (char *) NULL;
207	hash_store(users, id, u);
208	}
209	EXEC SQL CLOSE u_cursor;
210
211	fprintf(stderr, "Loading lists\n");
212	lists = create_hash(15001);
213
214	EXEC SQL DECLARE l_cursor CURSOR FOR
bcdea6a2	215	SELECT list_id, name, maillist, description, acl_type, acl_id
5d5f5413	216	FROM list WHERE active != 0;
	217	EXEC SQL OPEN l_cursor;
	218	while (1) {
	219	EXEC SQL FETCH l_cursor INTO :id, :name, :maillistp,
	220	:buf, :type, :acl;
	221	if (sqlca.sqlcode != 0) break;
	222	l = (struct list *) malloc(sizeof(struct list));
	223	l->name = strsave(strtrim(name));
	224	l->maillist = maillistp;
	225	l->description = strsave(strtrim(buf));
	226	l->acl_t = type[0];
	227	l->acl_id = acl;
	228	l->m = (struct member *) NULL;
	229	hash_store(lists, id, l);
	230	}
	231	EXEC SQL CLOSE l_cursor;
	232
	233	fprintf(stderr, "Loading members\n");
	234
	235	EXEC SQL DECLARE mem_cursor CURSOR FOR
	236	SELECT list_id, member_type, member_id
	237	FROM imembers WHERE direct = 1;
	238	EXEC SQL OPEN mem_cursor;
	239	while (1) {
	240	EXEC SQL FETCH mem_cursor INTO :id, :type, :mid;
	241	if (sqlca.sqlcode != 0) break;
	242	if (l = (struct list *) hash_lookup(lists, id)) {
	243	m = (struct member *) malloc(sizeof(struct member));
	244	if (type[0] == 'U' &&
	245	(u = (struct user *) hash_lookup(users, mid))) {
	246	m->list_id = 0;
	247	m->name = u->login;
	248	m->next = l->m;
	249	l->m = m;
	250	} else if (type[0] == 'L' &&
	251	(memberlist = (struct list *) hash_lookup(lists, mid))) {
	252	m->list_id = mid;
	253	m->name = memberlist->name;
	254	m->next = l->m;
	255	l->m = m;
	256	} else if (type[0] == 'S' &&
	257	(s = hash_lookup(strings, mid))) {
	258	m->list_id = 0;
	259	m->name = s;
	260	m->next = l->m;
	261	l->m = m;
	262	}
	263	}
	264	}
	265	EXEC SQL CLOSE mem_cursor;
	266	return;
	267	sqlerr:
	268	com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode);
	269	critical_alert("DCM", "Alias build encountered INGRES ERROR %d",
	270	sqlca.sqlcode);
	271	exit(MR_INGRES_ERR);
	272	}
	273
	274
	275	save_mlist(id, l, force)
	276	int id;
	277	register struct list *l;
	278	int force;
	279	{
280	register struct member *m;
281	struct list *l1;
282
283	if (l->maillist == 2 \|\|
284	(l->maillist == 0 && !force))
285	return;
286
287	if (l->m && l->m->next == NULL &&
288	!strcasecmp(l->name, l->m->name)) {
289	l->maillist = 0;
290	return;
291	}
292	l->maillist = 2;
293	output_mlist(id, l);
294
295	if (l->acl_t == 'L' && (l1 = (struct list *)hash_lookup(lists, l->acl_id)))
296	save_mlist(0, l1, 1);
297
298	for (m = l->m; m; m = m->next) {
299	if (m->list_id && (l1 = (struct list *)hash_lookup(lists, m->list_id)))
300	save_mlist(0, l1, 1);
301	}
302	}
303
304
305	int lwid, bol, awid;
306
307	output_mlist(id, l)
308	int id;
309	register struct list *l;
310	{
311	struct list *l1;
312	register struct member *m;
313	struct user *u;
314
315	put_fill(out, l->description);
316	if (l->acl_t == 'L') {
317	if (l1 = (struct list *) hash_lookup(lists, l->acl_id))
318	fprintf(out, "owner-%s: %s\n", l->name, l1->name);
319	} else if (l->acl_t == 'U') {
320	if (u = (struct user *) hash_lookup(users, l->acl_id))
321	fprintf(out, "owner-%s: %s\n", l->name, u->login);
322	}
323
324	fprintf(out, "%s: ", l->name);
325	lwid = strlen(l->name) + 2;
326	bol = 1;
327	for (m = l->m; m; m = m->next)
328	do_member(out, m->name);
329	if (l->m == (struct member *)NULL)
330	fprintf(out, "/dev/null");
331	fprintf(out, "\n\n");
332	}
333
334
335	/* Extract mailing lists. Make a list of all mailinglists, then
336	* process them, adding any sub-lists or acl lists to the list of lists
337	* to be processed. If further sublists are encountered, repeat...
338	*/
339
340	do_mlists(out)
341	FILE *out;
342	{
343	fprintf(out, "\n%s\n# Mailing lists\n%s\n", divide, divide);
344	hash_step(lists, save_mlist, 0);
345	}
346
347
348	/* print out strings separated by commas, doing line breaks as appropriate */
349
350	do_member(out, s)
351	FILE *out;
352	register char *s;
353	{
354	register wwid;
355	static int cont = 1;
356
357	wwid = strlen(s);
358
359	if (!bol && awid + wwid + 2 > AL_MAX_WID) {
360	fprintf(out, ",\n\tcontinuation-%d\ncontinuation-%d: ", cont, cont);
361	cont++;
362	awid = lwid = 17 + wwid;
363	fputs(s, out);
364	return;
365	}
366
367	if (bol) {
368	lwid += wwid;
369	awid = lwid;
370	fputs(s, out);
371	bol = 0;
372	return;
373	}
374	if (lwid + wwid + 2 > ML_WID) {
375	fprintf(out, ",\n\t%s", s);
376	awid += lwid + wwid + 2;
377	lwid = wwid + 8;
378	return;
379	}
380	lwid += wwid + 2;
381	fprintf(out, ", %s", s);
382	}
383
384	do_pobox(id, u, out)
385	int id;
386	register struct user *u;
387	FILE *out;
388	{
389	if (u->pobox)
390	fprintf(out, "%s: %s\n", u->login, u->pobox);
391	}
392
393
394	/* Do user poboxes. Just step through the users table, and print any
395	* we extracted earlier.
396	*/
397
398	do_poboxes(out)
399	FILE *out;
400	{
401	fprintf(out, "\n%s\n# User Poboxes\n%s\n", divide, divide);
402
403	hash_step(users, do_pobox, out);
404	}
405
406
407	put_fill(aliases, string)
408	FILE *aliases;
409	register char *string;
410	{
411	register char *c;
412	register int lwid;
413	register int wwid;
414
415	if (*string == 0) return;
416	fputs("# ", aliases);
417	lwid = 3;
418
419	while (1) {
420	while (string && string == ' ') string++;
421	c = (char *)index(string, ' ');
422	if (c == 0) {
423	wwid = strlen(string);
424	} else {
425	wwid = c - string;
426	*c = 0;
427	}
428
429	if ((lwid + wwid) > ML_WID) {
430	fputs("\n# ", aliases);
431	lwid = 3;
432	fputs(string, aliases);
433	} else {
434	fputs(string, aliases);
435	}
436
437	if (c == (char *)0) break;
438	/* add a space after the word */
439	(void) fputc(' ', aliases);
440	wwid++;
441	lwid += wwid;
442	string += wwid;
443	/* add another if after a period */
444	if (*--c == '.') {
445	(void) fputc(' ', aliases);
446	lwid++;
447	}
448	}
449
450	(void) fputc('\n', aliases);
451	}