[ashd.git] / src / dirplex / conf.c

/*
    ashd - A Sane HTTP Daemon
    Copyright (C) 2008  Fredrik Tolf <fredrik@dolda2000.com>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fnmatch.h>
#include <sys/stat.h>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <utils.h>
#include <log.h>
#include <cf.h>

#include "dirplex.h"

static struct config *cflist;
struct config *gconfig, *lconfig;

static void freerule(struct rule *rule)
{
    freeca(rule->patterns);
    free(rule);
}

static void freepattern(struct pattern *pat)
{
    struct rule **rule;
    
    for(rule = pat->rules; *rule; rule++)
	freerule(*rule);
    if(pat->childnm != NULL)
	free(pat->childnm);
    freeca(pat->fchild);
    free(pat);
}

static void freeconfig(struct config *cf)
{
    struct child *ch, *nch;
    struct pattern *pat, *npat;
    
    if(cf->prev != NULL)
	cf->prev->next = cf->next;
    if(cf->next != NULL)
	cf->next->prev = cf->prev;
    if(cf == cflist)
	cflist = cf->next;
    if(cf->path != NULL)
	free(cf->path);
    for(ch = cf->children; ch != NULL; ch = nch) {
	nch = ch->next;
	freechild(ch);
    }
    for(pat = cf->patterns; pat != NULL; pat = npat) {
	npat = pat->next;
	freepattern(pat);
    }
    freeca(cf->index);
    free(cf);
}

struct child *getchild(struct config *cf, char *name)
{
    struct child *ch;
    
    for(ch = cf->children; ch; ch = ch->next) {
	if(!strcmp(ch->name, name))
	    break;
    }
    return(ch);
}

static struct rule *newrule(struct pattern *pat)
{
    int i;
    struct rule *rule;
    
    for(i = 0; pat->rules[i]; i++);
    pat->rules = srealloc(pat->rules, sizeof(*pat->rules) * (i + 2));
    rule = pat->rules[i] = szmalloc(sizeof(*rule));
    pat->rules[i + 1] = NULL;
    return(rule);
}

static struct pattern *newpattern(void)
{
    struct pattern *pat;
    
    omalloc(pat);
    pat->rules = szmalloc(sizeof(*pat->rules));
    return(pat);
}

static char **cadup(char **w)
{
    char **ret;
    int i, l;
    
    l = calen(w);
    ret = smalloc(sizeof(*ret) * (l + 1));
    for(i = 0; i < l; i++)
	ret[i] = sstrdup(w[i]);
    ret[i] = NULL;
    return(ret);
}

static struct pattern *parsepattern(struct cfstate *s)
{
    struct pattern *pat;
    struct rule *rule;
    int sl;

    if(!strcmp(s->argv[0], "match")) {
	s->expstart = 1;
	pat = newpattern();
    } else {
	return(NULL);
    }
    
    if((s->argc > 1) && !strcmp(s->argv[1], "directory"))
	pat->type = PT_DIR;
    sl = s->lno;
    while(1) {
	getcfline(s);
	if(!strcmp(s->argv[0], "filename")) {
	    if(s->argc < 2) {
		flog(LOG_WARNING, "%s:%i: missing pattern for `filename' match", s->file, s->lno);
		continue;
	    }
	    rule = newrule(pat);
	    rule->type = PAT_BASENAME;
	    rule->patterns = cadup(s->argv + 1);
	} else if(!strcmp(s->argv[0], "pathname")) {
	    if(s->argc < 2) {
		flog(LOG_WARNING, "%s:%i: missing pattern for `pathname' match", s->file, s->lno);
		continue;
	    }
	    rule = newrule(pat);
	    rule->type = PAT_PATHNAME;
	    rule->patterns = cadup(s->argv + 1);
	} else if(!strcmp(s->argv[0], "all")) {
	    newrule(pat)->type = PAT_ALL;
	} else if(!strcmp(s->argv[0], "default")) {
	    newrule(pat)->type = PAT_DEFAULT;
	} else if(!strcmp(s->argv[0], "handler")) {
	    if(s->argc < 2) {
		flog(LOG_WARNING, "%s:%i: missing child name for `handler' directive", s->file, s->lno);
		continue;
	    }
	    if(pat->childnm != NULL)
		free(pat->childnm);
	    pat->childnm = sstrdup(s->argv[1]);
	} else if(!strcmp(s->argv[0], "fork")) {
	    pat->fchild = cadup(s->argv + 1);
	} else if(!strcmp(s->argv[0], "end") || !strcmp(s->argv[0], "eof")) {
	    break;
	} else {
	    flog(LOG_WARNING, "%s:%i: unknown directive `%s' in pattern declaration", s->file, s->lno, s->argv[0]);
	}
    }
    
    if(pat->rules[0] == NULL) {
	flog(LOG_WARNING, "%s:%i: missing rules in match declaration", s->file, sl);
	freepattern(pat);
	return(NULL);
    }
    if((pat->childnm == NULL) && (pat->fchild == NULL)) {
	flog(LOG_WARNING, "%s:%i: missing handler in match declaration", s->file, sl);
	freepattern(pat);
	return(NULL);
    }
    return(pat);
}

static struct config *emptyconfig(void)
{
    struct config *cf;
    
    omalloc(cf);
    return(cf);
}

struct config *readconfig(char *file)
{
    struct cfstate *s;
    FILE *in;
    struct config *cf;
    struct child *child;
    struct pattern *pat;
    
    if((in = fopen(file, "r")) == NULL) {
	flog(LOG_WARNING, "%s: %s", file, strerror(errno));
	return(NULL);
    }
    s = mkcfparser(in, file);
    cf = emptyconfig();
    
    while(1) {
	getcfline(s);
	if((child = parsechild(s)) != NULL) {
	    child->next = cf->children;
	    cf->children = child;
	} else if((pat = parsepattern(s)) != NULL) {
	    pat->next = cf->patterns;
	    cf->patterns = pat;
	} else if(!strcmp(s->argv[0], "index-file")) {
	    freeca(cf->index);
	    cf->index = NULL;
	    if(s->argc > 1)
		cf->index = cadup(s->argv + 1);
	} else if(!strcmp(s->argv[0], "eof")) {
	    break;
	} else {
	    flog(LOG_WARNING, "%s:%i: unknown directive `%s'", s->file, s->lno, s->argv[0]);
	}
    }
    
    freecfparser(s);
    fclose(in);
    return(cf);
}

struct config *getconfig(char *path)
{
    struct config *cf;
    struct stat sb;
    char *fn;
    time_t mtime;
    
    fn = sprintf3("%s/.htrc", path);
    for(cf = cflist; cf != NULL; cf = cf->next) {
	if(!strcmp(cf->path, path)) {
	    if(now - cf->lastck > 5) {
		if(stat(fn, &sb) || (sb.st_mtime != cf->mtime)) {
		    freeconfig(cf);
		    break;
		}
	    }
	    cf->lastck = now;
	    return(cf);
	}
    }
    if(access(fn, R_OK) || stat(fn, &sb)) {
	cf = emptyconfig();
	mtime = 0;
    } else {
	if((cf = readconfig(fn)) == NULL)
	    return(NULL);
	mtime = sb.st_mtime;
    }
    cf->path = sstrdup(path);
    cf->mtime = mtime;
    cf->lastck = now;
    cf->next = cflist;
    cf->prev = NULL;
    if(cflist != NULL)
	cflist->prev = cf;
    cflist = cf;
    return(cf);
}

struct config **getconfigs(char *file)
{
    static struct config **ret = NULL;
    struct {
	struct config **b;
	size_t s, d;
    } buf;
    struct config *cf;
    char *tmp, *p;
    
    if(ret != NULL)
	free(ret);
    bufinit(buf);
    tmp = sstrdup(file);
    while(1) {
	if((p = strrchr(tmp, '/')) == NULL)
	    break;
	*p = 0;
	if((cf = getconfig(tmp)) != NULL)
	    bufadd(buf, cf);
    }
    free(tmp);
    if((cf = getconfig(".")) != NULL)
	bufadd(buf, cf);
    if(lconfig != NULL)
	bufadd(buf, lconfig);
    if(gconfig != NULL)
	bufadd(buf, gconfig);
    bufadd(buf, NULL);
    return(ret = buf.b);
}

struct child *findchild(char *file, char *name)
{
    int i;
    struct config **cfs;
    struct child *ch;
    
    cfs = getconfigs(file);
    for(i = 0; cfs[i] != NULL; i++) {
	if((ch = getchild(cfs[i], name)) != NULL)
	    break;
    }
    return(ch);
}

struct pattern *findmatch(char *file, int trydefault, int dir)
{
    int i, o, c;
    char *bn;
    struct config **cfs;
    struct pattern *pat;
    struct rule *rule;
    
    if((bn = strrchr(file, '/')) != NULL)
	bn++;
    else
	bn = file;
    cfs = getconfigs(file);
    for(c = 0; cfs[c] != NULL; c++) {
	for(pat = cfs[c]->patterns; pat != NULL; pat = pat->next) {
	    if(!dir && (pat->type == PT_DIR))
		continue;
	    if(dir && (pat->type != PT_DIR))
		continue;
	    for(i = 0; (rule = pat->rules[i]) != NULL; i++) {
		if(rule->type == PAT_BASENAME) {
		    for(o = 0; rule->patterns[o] != NULL; o++) {
			if(!fnmatch(rule->patterns[o], bn, 0))
			    break;
		    }
		    if(rule->patterns[o] == NULL)
			break;
		} else if(rule->type == PAT_PATHNAME) {
		    for(o = 0; rule->patterns[o] != NULL; o++) {
			if(!fnmatch(rule->patterns[o], file, FNM_PATHNAME))
			    break;
		    }
		    if(rule->patterns[o] == NULL)
			break;
		} else if(rule->type == PAT_ALL) {
		} else if(rule->type == PAT_DEFAULT) {
		    if(!trydefault)
			break;
		}
	    }
	    if(!rule)
		return(pat);
	}
    }
    if(!trydefault)
	return(findmatch(file, 1, dir));
    return(NULL);
}
Commit	Line	Data
992ce9ef FT	1	/*
	2	ashd - A Sane HTTP Daemon
	3	Copyright (C) 2008 Fredrik Tolf <fredrik@dolda2000.com>
	4
	5	This program is free software: you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation, either version 3 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program. If not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
	19	#include <stdlib.h>
	20	#include <stdio.h>
992ce9ef	21	#include <unistd.h>
600a1ce7	22	#include <string.h>
992ce9ef	23	#include <errno.h>
992ce9ef	24	#include <fnmatch.h>
600a1ce7	25	#include <sys/stat.h>
992ce9ef FT	26
	27	#ifdef HAVE_CONFIG_H
	28	#include <config.h>
	29	#endif
	30	#include <utils.h>
992ce9ef	31	#include <log.h>
06c1a718	32	#include <cf.h>
992ce9ef	33
600a1ce7	34	#include "dirplex.h"
992ce9ef	35
0fc6fd13	36	static struct config *cflist;
600a1ce7	37	struct config gconfig, lconfig;
992ce9ef	38
1eba4f97 FT	39	static void freerule(struct rule *rule)
	40	{
	41	freeca(rule->patterns);
	42	free(rule);
	43	}
	44
992ce9ef FT	45	static void freepattern(struct pattern *pat)
	46	{
	47	struct rule **rule;
	48
1eba4f97 FT	49	for(rule = pat->rules; *rule; rule++)
1eba4f97 FT	50	freerule(*rule);
992ce9ef FT	51	if(pat->childnm != NULL)
992ce9ef FT	52	free(pat->childnm);
624f637d	53	freeca(pat->fchild);
992ce9ef FT	54	free(pat);
	55	}
	56
	57	static void freeconfig(struct config *cf)
	58	{
	59	struct child ch, nch;
	60	struct pattern pat, npat;
	61
	62	if(cf->prev != NULL)
	63	cf->prev->next = cf->next;
	64	if(cf->next != NULL)
	65	cf->next->prev = cf->prev;
	66	if(cf == cflist)
	67	cflist = cf->next;
0fc6fd13 FT	68	if(cf->path != NULL)
0fc6fd13 FT	69	free(cf->path);
992ce9ef FT	70	for(ch = cf->children; ch != NULL; ch = nch) {
	71	nch = ch->next;
	72	freechild(ch);
	73	}
	74	for(pat = cf->patterns; pat != NULL; pat = npat) {
	75	npat = pat->next;
	76	freepattern(pat);
	77	}
6373daf9	78	freeca(cf->index);
992ce9ef FT	79	free(cf);
	80	}
	81
600a1ce7	82	struct child getchild(struct config cf, char *name)
992ce9ef FT	83	{
	84	struct child *ch;
	85
	86	for(ch = cf->children; ch; ch = ch->next) {
	87	if(!strcmp(ch->name, name))
	88	break;
	89	}
	90	return(ch);
	91	}
	92
	93	static struct rule newrule(struct pattern pat)
	94	{
	95	int i;
	96	struct rule *rule;
	97
	98	for(i = 0; pat->rules[i]; i++);
	99	pat->rules = srealloc(pat->rules, sizeof(pat->rules) (i + 2));
cceb3611	100	rule = pat->rules[i] = szmalloc(sizeof(*rule));
992ce9ef FT	101	pat->rules[i + 1] = NULL;
	102	return(rule);
	103	}
	104
	105	static struct pattern *newpattern(void)
	106	{
	107	struct pattern *pat;
	108
	109	omalloc(pat);
	110	pat->rules = szmalloc(sizeof(*pat->rules));
	111	return(pat);
	112	}
	113
1eba4f97 FT	114	static char cadup(char w)
	115	{
	116	char **ret;
	117	int i, l;
	118
	119	l = calen(w);
	120	ret = smalloc(sizeof(ret) (l + 1));
	121	for(i = 0; i < l; i++)
	122	ret[i] = sstrdup(w[i]);
	123	ret[i] = NULL;
	124	return(ret);
	125	}
	126
06c1a718 FT	127	static struct pattern parsepattern(struct cfstate s)
	128	{
	129	struct pattern *pat;
	130	struct rule *rule;
1eba4f97	131	int sl;
06c1a718 FT	132
	133	if(!strcmp(s->argv[0], "match")) {
	134	s->expstart = 1;
	135	pat = newpattern();
	136	} else {
	137	return(NULL);
	138	}
	139
8232cebe FT	140	if((s->argc > 1) && !strcmp(s->argv[1], "directory"))
8232cebe FT	141	pat->type = PT_DIR;
06c1a718 FT	142	sl = s->lno;
	143	while(1) {
	144	getcfline(s);
	145	if(!strcmp(s->argv[0], "filename")) {
	146	if(s->argc < 2) {
	147	flog(LOG_WARNING, "%s:%i: missing pattern for `filename' match", s->file, s->lno);
	148	continue;
	149	}
	150	rule = newrule(pat);
	151	rule->type = PAT_BASENAME;
1eba4f97	152	rule->patterns = cadup(s->argv + 1);
06c1a718 FT	153	} else if(!strcmp(s->argv[0], "pathname")) {
	154	if(s->argc < 2) {
	155	flog(LOG_WARNING, "%s:%i: missing pattern for `pathname' match", s->file, s->lno);
	156	continue;
	157	}
	158	rule = newrule(pat);
	159	rule->type = PAT_PATHNAME;
1eba4f97	160	rule->patterns = cadup(s->argv + 1);
06c1a718 FT	161	} else if(!strcmp(s->argv[0], "all")) {
	162	newrule(pat)->type = PAT_ALL;
	163	} else if(!strcmp(s->argv[0], "default")) {
	164	newrule(pat)->type = PAT_DEFAULT;
	165	} else if(!strcmp(s->argv[0], "handler")) {
	166	if(s->argc < 2) {
	167	flog(LOG_WARNING, "%s:%i: missing child name for `handler' directive", s->file, s->lno);
	168	continue;
	169	}
	170	if(pat->childnm != NULL)
	171	free(pat->childnm);
	172	pat->childnm = sstrdup(s->argv[1]);
624f637d	173	} else if(!strcmp(s->argv[0], "fork")) {
1eba4f97	174	pat->fchild = cadup(s->argv + 1);
06c1a718 FT	175	} else if(!strcmp(s->argv[0], "end") \|\| !strcmp(s->argv[0], "eof")) {
	176	break;
	177	} else {
	178	flog(LOG_WARNING, "%s:%i: unknown directive `%s' in pattern declaration", s->file, s->lno, s->argv[0]);
	179	}
	180	}
	181
	182	if(pat->rules[0] == NULL) {
	183	flog(LOG_WARNING, "%s:%i: missing rules in match declaration", s->file, sl);
	184	freepattern(pat);
	185	return(NULL);
	186	}
624f637d	187	if((pat->childnm == NULL) && (pat->fchild == NULL)) {
06c1a718 FT	188	flog(LOG_WARNING, "%s:%i: missing handler in match declaration", s->file, sl);
	189	freepattern(pat);
	190	return(NULL);
	191	}
	192	return(pat);
	193	}
	194
17e55136 FT	195	static struct config *emptyconfig(void)
	196	{
	197	struct config *cf;
	198
	199	omalloc(cf);
	200	return(cf);
	201	}
	202
600a1ce7	203	struct config readconfig(char file)
992ce9ef	204	{
06c1a718 FT	205	struct cfstate *s;
06c1a718 FT	206	FILE *in;
992ce9ef	207	struct config *cf;
992ce9ef FT	208	struct child *child;
992ce9ef FT	209	struct pattern *pat;
992ce9ef	210
17e55136 FT	211	if((in = fopen(file, "r")) == NULL) {
17e55136 FT	212	flog(LOG_WARNING, "%s: %s", file, strerror(errno));
992ce9ef	213	return(NULL);
06c1a718	214	}
17e55136 FT	215	s = mkcfparser(in, file);
17e55136 FT	216	cf = emptyconfig();
06c1a718 FT	217
	218	while(1) {
	219	getcfline(s);
	220	if((child = parsechild(s)) != NULL) {
	221	child->next = cf->children;
	222	cf->children = child;
	223	} else if((pat = parsepattern(s)) != NULL) {
	224	pat->next = cf->patterns;
	225	cf->patterns = pat;
6373daf9 FT	226	} else if(!strcmp(s->argv[0], "index-file")) {
	227	freeca(cf->index);
	228	cf->index = NULL;
	229	if(s->argc > 1)
	230	cf->index = cadup(s->argv + 1);
06c1a718 FT	231	} else if(!strcmp(s->argv[0], "eof")) {
	232	break;
	233	} else {
	234	flog(LOG_WARNING, "%s:%i: unknown directive `%s'", s->file, s->lno, s->argv[0]);
992ce9ef	235	}
06c1a718	236	}
992ce9ef	237
06c1a718 FT	238	freecfparser(s);
06c1a718 FT	239	fclose(in);
992ce9ef FT	240	return(cf);
	241	}
	242
600a1ce7	243	struct config getconfig(char path)
992ce9ef FT	244	{
	245	struct config *cf;
	246	struct stat sb;
17e55136 FT	247	char *fn;
17e55136 FT	248	time_t mtime;
992ce9ef	249
17e55136	250	fn = sprintf3("%s/.htrc", path);
992ce9ef FT	251	for(cf = cflist; cf != NULL; cf = cf->next) {
992ce9ef FT	252	if(!strcmp(cf->path, path)) {
17e55136 FT	253	if(now - cf->lastck > 5) {
	254	if(stat(fn, &sb) \|\| (sb.st_mtime != cf->mtime)) {
	255	freeconfig(cf);
	256	break;
	257	}
992ce9ef	258	}
17e55136	259	cf->lastck = now;
992ce9ef FT	260	return(cf);
	261	}
	262	}
17e55136 FT	263	if(access(fn, R_OK) \|\| stat(fn, &sb)) {
	264	cf = emptyconfig();
	265	mtime = 0;
	266	} else {
	267	if((cf = readconfig(fn)) == NULL)
	268	return(NULL);
	269	mtime = sb.st_mtime;
992ce9ef	270	}
17e55136 FT	271	cf->path = sstrdup(path);
	272	cf->mtime = mtime;
	273	cf->lastck = now;
	274	cf->next = cflist;
d245c327 FT	275	cf->prev = NULL;
	276	if(cflist != NULL)
	277	cflist->prev = cf;
17e55136	278	cflist = cf;
992ce9ef FT	279	return(cf);
	280	}
	281
600a1ce7	282	struct config *getconfigs(char file)
992ce9ef	283	{
8dce6d19 FT	284	static struct config **ret = NULL;
	285	struct {
	286	struct config **b;
	287	size_t s, d;
	288	} buf;
992ce9ef	289	struct config *cf;
8dce6d19 FT	290	char tmp, p;
	291
	292	if(ret != NULL)
	293	free(ret);
	294	bufinit(buf);
	295	tmp = sstrdup(file);
992ce9ef	296	while(1) {
8dce6d19	297	if((p = strrchr(tmp, '/')) == NULL)
992ce9ef	298	break;
8dce6d19 FT	299	*p = 0;
	300	if((cf = getconfig(tmp)) != NULL)
	301	bufadd(buf, cf);
	302	}
	303	free(tmp);
	304	if((cf = getconfig(".")) != NULL)
	305	bufadd(buf, cf);
0fc6fd13 FT	306	if(lconfig != NULL)
	307	bufadd(buf, lconfig);
	308	if(gconfig != NULL)
	309	bufadd(buf, gconfig);
8dce6d19 FT	310	bufadd(buf, NULL);
	311	return(ret = buf.b);
	312	}
	313
600a1ce7	314	struct child findchild(char file, char *name)
8dce6d19 FT	315	{
	316	int i;
	317	struct config **cfs;
	318	struct child *ch;
	319
	320	cfs = getconfigs(file);
	321	for(i = 0; cfs[i] != NULL; i++) {
	322	if((ch = getchild(cfs[i], name)) != NULL)
992ce9ef FT	323	break;
992ce9ef FT	324	}
992ce9ef FT	325	return(ch);
	326	}
	327
600a1ce7	328	struct pattern findmatch(char file, int trydefault, int dir)
992ce9ef	329	{
1eba4f97	330	int i, o, c;
8dce6d19 FT	331	char *bn;
8dce6d19 FT	332	struct config **cfs;
992ce9ef FT	333	struct pattern *pat;
	334	struct rule *rule;
	335
	336	if((bn = strrchr(file, '/')) != NULL)
	337	bn++;
	338	else
	339	bn = file;
8dce6d19 FT	340	cfs = getconfigs(file);
	341	for(c = 0; cfs[c] != NULL; c++) {
	342	for(pat = cfs[c]->patterns; pat != NULL; pat = pat->next) {
8232cebe FT	343	if(!dir && (pat->type == PT_DIR))
	344	continue;
	345	if(dir && (pat->type != PT_DIR))
	346	continue;
992ce9ef FT	347	for(i = 0; (rule = pat->rules[i]) != NULL; i++) {
992ce9ef FT	348	if(rule->type == PAT_BASENAME) {
1eba4f97 FT	349	for(o = 0; rule->patterns[o] != NULL; o++) {
	350	if(!fnmatch(rule->patterns[o], bn, 0))
	351	break;
	352	}
	353	if(rule->patterns[o] == NULL)
992ce9ef FT	354	break;
992ce9ef FT	355	} else if(rule->type == PAT_PATHNAME) {
1eba4f97 FT	356	for(o = 0; rule->patterns[o] != NULL; o++) {
	357	if(!fnmatch(rule->patterns[o], file, FNM_PATHNAME))
	358	break;
	359	}
	360	if(rule->patterns[o] == NULL)
992ce9ef FT	361	break;
	362	} else if(rule->type == PAT_ALL) {
	363	} else if(rule->type == PAT_DEFAULT) {
	364	if(!trydefault)
	365	break;
	366	}
	367	}
	368	if(!rule)
8dce6d19	369	return(pat);
992ce9ef FT	370	}
992ce9ef FT	371	}
8232cebe FT	372	if(!trydefault)
8232cebe FT	373	return(findmatch(file, 1, dir));
8dce6d19	374	return(NULL);
992ce9ef	375	}