libmagic.patch

diff -u libmagic.orig/apprentice.c libmagic/apprentice.c
--- libmagic.orig/apprentice.c	2021-02-22 17:51:11.000000000 -0700
+++ libmagic/apprentice.c	2022-06-06 00:36:46.758464267 -0600
@@ -29,6 +29,8 @@
  * apprentice - make one pass through /etc/magic, learning its secrets.
  */
 
+#include "php.h"
+
 #include "file.h"
 
 #ifndef	lint
@@ -37,19 +39,33 @@
 
 #include "magic.h"
 #include <stdlib.h>
+
+#if defined(__hpux) && !defined(HAVE_STRTOULL)
+#if SIZEOF_LONG == 8
+# define strtoull strtoul
+#else
+# define strtoull __strtoull
+#endif
+#endif
+
+#ifdef PHP_WIN32
+#include "win32/unistd.h"
+#define strtoull _strtoui64
+#else
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
-#include <stddef.h>
+#endif
 #include <string.h>
 #include <assert.h>
 #include <ctype.h>
 #include <fcntl.h>
-#ifdef QUICK
-#include <sys/mman.h>
+
+#ifndef SSIZE_MAX
+#define MAXMAGIC_SIZE        ((ssize_t)0x7fffffff)
+#else
+#define MAXMAGIC_SIZE        SSIZE_MAX
 #endif
-#include <dirent.h>
-#include <limits.h>
 
 
 #define	EATAB {while (isascii(CAST(unsigned char, *l)) && \
@@ -66,6 +82,10 @@
 #endif
 #endif
 
+#ifndef offsetof
+#define offsetof(STRUCTURE,FIELD) ((int)((char*)&((STRUCTURE*)0)->FIELD))
+#endif
+
 #ifndef MAP_FAILED
 #define MAP_FAILED (void *) -1
 #endif
@@ -128,10 +148,7 @@
 private uint32_t swap4(uint32_t);
 private uint64_t swap8(uint64_t);
 private char *mkdbname(struct magic_set *, const char *, int);
-private struct magic_map *apprentice_buf(struct magic_set *, struct magic *,
-    size_t);
 private struct magic_map *apprentice_map(struct magic_set *, const char *);
-private int check_buffer(struct magic_set *, struct magic_map *, const char *);
 private void apprentice_unmap(struct magic_map *);
 private int apprentice_compile(struct magic_set *, struct magic_map *,
     const char *);
@@ -167,38 +184,7 @@
 	{ NULL, 0, NULL }
 };
 
-#ifdef COMPILE_ONLY
-
-int main(int, char *[]);
-
-int
-main(int argc, char *argv[])
-{
-	int ret;
-	struct magic_set *ms;
-	char *progname;
-
-	if ((progname = strrchr(argv[0], '/')) != NULL)
-		progname++;
-	else
-		progname = argv[0];
-
-	if (argc != 2) {
-		(void)fprintf(stderr, "Usage: %s file\n", progname);
-		return 1;
-	}
-
-	if ((ms = magic_open(MAGIC_CHECK)) == NULL) {
-		(void)fprintf(stderr, "%s: %s\n", progname, strerror(errno));
-		return 1;
-	}
-	ret = magic_compile(ms, argv[1]) == -1 ? 1 : 0;
-	if (ret == 1)
-		(void)fprintf(stderr, "%s: %s\n", progname, magic_error(ms));
-	magic_close(ms);
-	return ret;
-}
-#endif /* COMPILE_ONLY */
+#include "../data_file.c"
 
 struct type_tbl_s {
 	const char name[16];
@@ -417,7 +403,7 @@
 	struct mlist *ml;
 
 	mlp->map = NULL;
-	if ((ml = CAST(struct mlist *, malloc(sizeof(*ml)))) == NULL)
+	if ((ml = CAST(struct mlist *, emalloc(sizeof(*ml)))) == NULL)
 		return -1;
 
 	ml->map = idx == 0 ? map : NULL;
@@ -502,10 +488,16 @@
 		return;
 	for (i = 0; i < MAGIC_SETS; i++)
 		mlist_free(ms->mlist[i]);
-	free(ms->o.pbuf);
-	free(ms->o.buf);
-	free(ms->c.li);
-	free(ms);
+	if (ms->o.pbuf) {
+		efree(ms->o.pbuf);
+	}
+	if (ms->o.buf) {
+		efree(ms->o.buf);
+	}
+	if (ms->c.li) {
+		efree(ms->c.li);
+	}
+	efree(ms);
 }
 
 protected struct magic_set *
@@ -514,7 +506,7 @@
 	struct magic_set *ms;
 	size_t i, len;
 
-	if ((ms = CAST(struct magic_set *, calloc(CAST(size_t, 1u),
+	if ((ms = CAST(struct magic_set *, ecalloc(CAST(size_t, 1u),
 	    sizeof(struct magic_set)))) == NULL)
 		return NULL;
 
@@ -527,7 +519,7 @@
 	ms->o.blen = 0;
 	len = (ms->c.len = 10) * sizeof(*ms->c.li);
 
-	if ((ms->c.li = CAST(struct level_info *, malloc(len))) == NULL)
+	if ((ms->c.li = CAST(struct level_info *, emalloc(len))) == NULL)
 		goto free;
 
 	ms->event_flags = 0;
@@ -546,48 +538,35 @@
 	ms->encoding_max = FILE_ENCODING_MAX;
 	return ms;
 free:
-	free(ms);
+	efree(ms);
 	return NULL;
 }
 
 private void
 apprentice_unmap(struct magic_map *map)
 {
-	size_t i;
 	if (map == NULL)
 		return;
-
-	switch (map->type) {
-	case MAP_TYPE_USER:
-		break;
-	case MAP_TYPE_MALLOC:
-		for (i = 0; i < MAGIC_SETS; i++) {
-			void *b = map->magic[i];
-			void *p = map->p;
-			if (CAST(char *, b) >= CAST(char *, p) &&
-			    CAST(char *, b) <= CAST(char *, p) + map->len)
-				continue;
-			free(map->magic[i]);
+	if (map->p != php_magic_database) {
+		if (map->p == NULL) {
+			int j;
+			for (j = 0; j < MAGIC_SETS; j++) {
+				if (map->magic[j]) {
+					efree(map->magic[j]);
+				}
+			}
+		} else {
+			efree(map->p);
 		}
-		free(map->p);
-		break;
-#ifdef QUICK
-	case MAP_TYPE_MMAP:
-		if (map->p && map->p != MAP_FAILED)
-			(void)munmap(map->p, map->len);
-		break;
-#endif
-	default:
-		abort();
 	}
-	free(map);
+	efree(map);
 }
 
 private struct mlist *
 mlist_alloc(void)
 {
 	struct mlist *mlist;
-	if ((mlist = CAST(struct mlist *, calloc(1, sizeof(*mlist)))) == NULL) {
+	if ((mlist = CAST(struct mlist *, ecalloc(1, sizeof(*mlist)))) == NULL) {
 		return NULL;
 	}
 	mlist->next = mlist->prev = mlist;
@@ -610,7 +589,7 @@
 {
 	if (ml->map)
 		apprentice_unmap(CAST(struct magic_map *, ml->map));
-	free(ml);
+	efree(ml);
 }
 
 private void
@@ -629,51 +608,6 @@
 	mlist_free_one(mlist);
 }
 
-#ifndef COMPILE_ONLY
-/* void **bufs: an array of compiled magic files */
-protected int
-buffer_apprentice(struct magic_set *ms, struct magic **bufs,
-    size_t *sizes, size_t nbufs)
-{
-	size_t i, j;
-	struct mlist *ml;
-	struct magic_map *map;
-
-	if (nbufs == 0)
-		return -1;
-
-	(void)file_reset(ms, 0);
-
-	init_file_tables();
-
-	for (i = 0; i < MAGIC_SETS; i++) {
-		mlist_free(ms->mlist[i]);
-		if ((ms->mlist[i] = mlist_alloc()) == NULL) {
-			file_oomem(ms, sizeof(*ms->mlist[i]));
-			goto fail;
-		}
-	}
-
-	for (i = 0; i < nbufs; i++) {
-		map = apprentice_buf(ms, bufs[i], sizes[i]);
-		if (map == NULL)
-			goto fail;
-
-		for (j = 0; j < MAGIC_SETS; j++) {
-			if (add_mlist(ms->mlist[j], map, j) == -1) {
-				file_oomem(ms, sizeof(*ml));
-				goto fail;
-			}
-		}
-	}
-
-	return 0;
-fail:
-	mlist_free_all(ms);
-	return -1;
-}
-#endif
-
 /* const char *fn: list of magic files and directories */
 protected int
 file_apprentice(struct magic_set *ms, const char *fn, int action)
@@ -684,12 +618,28 @@
 
 	(void)file_reset(ms, 0);
 
+/* XXX disabling default magic loading so the compiled in data is used */
+#if 0
 	if ((fn = magic_getpath(fn, action)) == NULL)
 		return -1;
+#endif
 
 	init_file_tables();
 
-	if ((mfn = strdup(fn)) == NULL) {
+	if (fn == NULL)
+		fn = getenv("MAGIC");
+	if (fn == NULL) {
+		for (i = 0; i < MAGIC_SETS; i++) {
+			mlist_free(ms->mlist[i]);
+			if ((ms->mlist[i] = mlist_alloc()) == NULL) {
+				file_oomem(ms, sizeof(*ms->mlist[i]));
+				return -1;
+			}
+		}
+		return apprentice_1(ms, fn, action);
+	}
+
+	if ((mfn = estrdup(fn)) == NULL) {
 		file_oomem(ms, strlen(fn));
 		return -1;
 	}
@@ -702,7 +652,7 @@
 				mlist_free(ms->mlist[j]);
 				ms->mlist[j] = NULL;
 			}
-			free(mfn);
+			efree(mfn);
 			return -1;
 		}
 	}
@@ -719,7 +669,7 @@
 		fn = p;
 	}
 
-	free(mfn);
+	efree(mfn);
 
 	if (errs == -1) {
 		for (i = 0; i < MAGIC_SETS; i++) {
@@ -1159,7 +1109,7 @@
 
 		mset[i].max += ALLOC_INCR;
 		if ((mp = CAST(struct magic_entry *,
-		    realloc(mset[i].me, sizeof(*mp) * mset[i].max))) ==
+		    erealloc(mset[i].me, sizeof(*mp) * mset[i].max))) ==
 		    NULL) {
 			file_oomem(ms, sizeof(*mp) * mset[i].max);
 			return -1;
@@ -1180,13 +1130,19 @@
 load_1(struct magic_set *ms, int action, const char *fn, int *errs,
    struct magic_entry_set *mset)
 {
-	size_t lineno = 0, llen = 0;
+	char buffer[BUFSIZ + 1];
 	char *line = NULL;
-	ssize_t len;
+	size_t len;
+	size_t lineno = 0;
 	struct magic_entry me;
 
-	FILE *f = fopen(ms->file = fn, "r");
-	if (f == NULL) {
+	php_stream *stream;
+
+
+	ms->file = fn;
+	stream = php_stream_open_wrapper((char *)fn, "rb", REPORT_ERRORS, NULL);
+
+	if (stream == NULL) {
 		if (errno != ENOENT)
 			file_error(ms, errno, "cannot read magic file `%s'",
 				   fn);
@@ -1196,8 +1152,7 @@
 
 	memset(&me, 0, sizeof(me));
 	/* read and parse this file */
-	for (ms->line = 1; (len = getline(&line, &llen, f)) != -1;
-	    ms->line++) {
+	for (ms->line = 1; (line = php_stream_get_line(stream, buffer , BUFSIZ, &len)) != NULL; ms->line++) {
 		if (len == 0) /* null line, garbage, etc */
 			continue;
 		if (line[len - 1] == '\n') {
@@ -1232,7 +1187,7 @@
 					continue;
 				}
 				if ((*bang[i].fun)(ms, &me,
-				    line + bang[i].len + 2, 
+				    line + bang[i].len + 2,
 				    len - bang[i].len - 2) != 0) {
 					(*errs)++;
 					continue;
@@ -1256,8 +1211,8 @@
 	}
 	if (me.mp)
 		(void)addentry(ms, &me, mset);
-	free(line);
-	(void)fclose(f);
+	efree(line);
+	php_stream_close(stream);
 }
 
 /*
@@ -1336,7 +1291,7 @@
 		mentrycount += me[i].cont_count;
 
 	slen = sizeof(**ma) * mentrycount;
-	if ((*ma = CAST(struct magic *, malloc(slen))) == NULL) {
+	if ((*ma = CAST(struct magic *, emalloc(slen))) == NULL) {
 		file_oomem(ms, slen);
 		return -1;
 	}
@@ -1358,8 +1313,8 @@
 	if (me == NULL)
 		return;
 	for (i = 0; i < nme; i++)
-		free(me[i].mp);
-	free(me);
+		efree(me[i].mp);
+	efree(me);
 }
 
 private struct magic_map *
@@ -1368,18 +1323,19 @@
 	int errs = 0;
 	uint32_t i, j;
 	size_t files = 0, maxfiles = 0;
-	char **filearr = NULL, *mfn;
-	struct stat st;
+	char **filearr = NULL;
+	zend_stat_t st = {0};
 	struct magic_map *map;
 	struct magic_entry_set mset[MAGIC_SETS];
-	DIR *dir;
-	struct dirent *d;
+	php_stream *dir;
+	php_stream_dirent d;
+
 
 	memset(mset, 0, sizeof(mset));
 	ms->flags |= MAGIC_CHECK;	/* Enable checks for parsed files */
 
 
-	if ((map = CAST(struct magic_map *, calloc(1, sizeof(*map)))) == NULL)
+	if ((map = CAST(struct magic_map *, ecalloc(1, sizeof(*map)))) == NULL)
 	{
 		file_oomem(ms, sizeof(*map));
 		return NULL;
@@ -1391,52 +1347,50 @@
 		(void)fprintf(stderr, "%s\n", usg_hdr);
 
 	/* load directory or file */
-	if (stat(fn, &st) == 0 && S_ISDIR(st.st_mode)) {
-		dir = opendir(fn);
+	/* FIXME: Read file names and sort them to prevent
+	   non-determinism. See Debian bug #488562. */
+	if (php_sys_stat(fn, &st) == 0 && S_ISDIR(st.st_mode)) {
+		int mflen;
+		char mfn[MAXPATHLEN];
+
+		dir = php_stream_opendir((char *)fn, REPORT_ERRORS, NULL);
 		if (!dir) {
 			errs++;
 			goto out;
 		}
-		while ((d = readdir(dir)) != NULL) {
-			if (d->d_name[0] == '.')
-				continue;
-			if (asprintf(&mfn, "%s/%s", fn, d->d_name) < 0) {
+		while (php_stream_readdir(dir, &d)) {
+			if ((mflen = snprintf(mfn, sizeof(mfn), "%s/%s", fn, d.d_name)) < 0) {
 				file_oomem(ms,
-				    strlen(fn) + strlen(d->d_name) + 2);
+				strlen(fn) + strlen(d.d_name) + 2);
 				errs++;
-				closedir(dir);
+				php_stream_closedir(dir);
 				goto out;
 			}
-			if (stat(mfn, &st) == -1 || !S_ISREG(st.st_mode)) {
-				free(mfn);
+			if (zend_stat(mfn, &st) == -1 || !S_ISREG(st.st_mode)) {
 				continue;
 			}
 			if (files >= maxfiles) {
 				size_t mlen;
-				char **nfilearr;
 				maxfiles = (maxfiles + 1) * 2;
 				mlen = maxfiles * sizeof(*filearr);
-				if ((nfilearr = CAST(char **,
-				    realloc(filearr, mlen))) == NULL) {
+				if ((filearr = CAST(char **,
+				    erealloc(filearr, mlen))) == NULL) {
 					file_oomem(ms, mlen);
-					free(mfn);
-					closedir(dir);
+					php_stream_closedir(dir);
 					errs++;
 					goto out;
 				}
-				filearr = nfilearr;
 			}
-			filearr[files++] = mfn;
+			filearr[files++] = estrndup(mfn, (mflen > sizeof(mfn) - 1)? sizeof(mfn) - 1: mflen);
 		}
-		closedir(dir);
+		php_stream_closedir(dir);
 		if (filearr) {
 			qsort(filearr, files, sizeof(*filearr), cmpstrp);
 			for (i = 0; i < files; i++) {
 				load_1(ms, action, filearr[i], &errs, mset);
-				free(filearr[i]);
+				efree(filearr[i]);
 			}
-			free(filearr);
-			filearr = NULL;
+			efree(filearr);
 		}
 	} else
 		load_1(ms, action, fn, &errs, mset);
@@ -1465,7 +1419,7 @@
 		/* coalesce per file arrays into a single one, if needed */
 		if (mset[j].count == 0)
 			continue;
-		      
+
 		if (coalesce_entries(ms, mset[j].me, mset[j].count,
 		    &map->magic[j], &map->nmagic[j]) == -1) {
 			errs++;
@@ -1474,7 +1428,6 @@
 	}
 
 out:
-	free(filearr);
 	for (j = 0; j < MAGIC_SETS; j++)
 		magic_entry_free(mset[j].me, mset[j].count);
 
@@ -1910,7 +1863,7 @@
 		if (me->cont_count == me->max_count) {
 			struct magic *nm;
 			size_t cnt = me->max_count + ALLOC_CHUNK;
-			if ((nm = CAST(struct magic *, realloc(me->mp,
+			if ((nm = CAST(struct magic *, erealloc(me->mp,
 			    sizeof(*nm) * cnt))) == NULL) {
 				file_oomem(ms, sizeof(*nm) * cnt);
 				return -1;
@@ -1925,7 +1878,7 @@
 		static const size_t len = sizeof(*m) * ALLOC_CHUNK;
 		if (me->mp != NULL)
 			return 1;
-		if ((m = CAST(struct magic *, malloc(len))) == NULL) {
+		if ((m = CAST(struct magic *, emalloc(len))) == NULL) {
 			file_oomem(ms, len);
 			return -1;
 		}
@@ -2148,7 +2101,7 @@
 
 	m->mask_op = 0;
 	if (*l == '~') {
-		if (!IS_STRING(m->type))
+		if (!IS_LIBMAGIC_STRING(m->type))
 			m->mask_op |= FILE_OPINVERSE;
 		else if (ms->flags & MAGIC_CHECK)
 			file_magwarn(ms, "'~' invalid for string types");
@@ -2157,7 +2110,7 @@
 	m->str_range = 0;
 	m->str_flags = m->type == FILE_PSTRING ? PSTRING_1_LE : 0;
 	if ((op = get_op(*l)) != -1) {
-		if (IS_STRING(m->type)) {
+		if (IS_LIBMAGIC_STRING(m->type)) {
 			int r;
 
 			if (op != FILE_OPDIVIDE) {
@@ -2277,7 +2230,7 @@
  */
 private int
 parse_strength(struct magic_set *ms, struct magic_entry *me, const char *line,
-    size_t len __attribute__((__unused__)))
+    size_t len)
 {
 	const char *l = line;
 	char *el;
@@ -2339,8 +2292,7 @@
 
 private int
 parse_extra(struct magic_set *ms, struct magic_entry *me, const char *line,
-    size_t llen, off_t off, size_t len, const char *name, const char *extra,
-    int nt)
+    size_t llen, zend_off_t off, size_t len, const char *name, const char *extra, int nt)
 {
 	size_t i;
 	const char *l = line;
@@ -2705,14 +2657,19 @@
 			return -1;
 		}
 		if (m->type == FILE_REGEX) {
-			file_regex_t rx;
-			int rc = file_regcomp(&rx, m->value.s, REG_EXTENDED);
-			if (rc) {
-				if (ms->flags & MAGIC_CHECK)
-					file_regerror(&rx, rc, ms);
+			zend_string *pattern;
+			int options = 0;
+			pcre_cache_entry *pce;
+
+			pattern = convert_libmagic_pattern(m->value.s, strlen(m->value.s), options);
+
+			if ((pce = pcre_get_compiled_regex_cache(pattern)) == NULL) {
+				zend_string_release(pattern);
+				return -1;
 			}
-			file_regfree(&rx);
-			return rc ? -1 : 0;
+			zend_string_release(pattern);
+
+			return 0;
 		}
 		return 0;
 	default:
@@ -3068,120 +3025,83 @@
 }
 
 /*
- * handle a buffer containing a compiled file.
- */
-private struct magic_map *
-apprentice_buf(struct magic_set *ms, struct magic *buf, size_t len)
-{
-	struct magic_map *map;
-
-	if ((map = CAST(struct magic_map *, calloc(1, sizeof(*map)))) == NULL) {
-		file_oomem(ms, sizeof(*map));
-		return NULL;
-	}
-	map->len = len;
-	map->p = buf;
-	map->type = MAP_TYPE_USER;
-	if (check_buffer(ms, map, "buffer") != 0) {
-		apprentice_unmap(map);
-		return NULL;
-	}
-	return map;
-}
-
-/*
  * handle a compiled file.
  */
 
 private struct magic_map *
 apprentice_map(struct magic_set *ms, const char *fn)
 {
-	int fd;
-	struct stat st;
+	uint32_t *ptr;
+	uint32_t version, entries = 0, nentries;
+	int needsbyteswap;
 	char *dbname = NULL;
 	struct magic_map *map;
-	struct magic_map *rv = NULL;
+	size_t i;
+	php_stream *stream = NULL;
+	php_stream_statbuf st;
+
+
 
-	fd = -1;
-	if ((map = CAST(struct magic_map *, calloc(1, sizeof(*map)))) == NULL) {
+	if ((map = CAST(struct magic_map *, ecalloc(1, sizeof(*map)))) == NULL) {
 		file_oomem(ms, sizeof(*map));
-		goto error;
+		return NULL;
 	}
-	map->type = MAP_TYPE_USER;	/* unspecified */
+
+	if (fn == NULL) {
+		map->p = (void *)&php_magic_database;
+		goto internal_loaded;
+	}
+
+#ifdef PHP_WIN32
+	/* Don't bother on windows with php_stream_open_wrapper,
+	return to give apprentice_load() a chance. */
+	if (php_stream_stat_path_ex((char *)fn, 0, &st, NULL) == SUCCESS) {
+               if (st.sb.st_mode & S_IFDIR) {
+                       goto error;
+               }
+       }
+#endif
 
 	dbname = mkdbname(ms, fn, 0);
 	if (dbname == NULL)
 		goto error;
 
-	if ((fd = open(dbname, O_RDONLY|O_BINARY)) == -1)
+	stream = php_stream_open_wrapper((char *)fn, "rb", REPORT_ERRORS, NULL);
+
+	if (!stream) {
 		goto error;
+	}
 
-	if (fstat(fd, &st) == -1) {
+#ifndef PHP_WIN32
+	if (php_stream_stat(stream, &st) < 0) {
 		file_error(ms, errno, "cannot stat `%s'", dbname);
 		goto error;
 	}
-	if (st.st_size < 8 || st.st_size > maxoff_t()) {
+#endif
+	if (st.sb.st_size < 8 || st.sb.st_size > maxoff_t()) {
 		file_error(ms, 0, "file `%s' is too %s", dbname,
-		    st.st_size < 8 ? "small" : "large");
+		    st.sb.st_size < 8 ? "small" : "large");
 		goto error;
 	}
 
-	map->len = CAST(size_t, st.st_size);
-#ifdef QUICK
-	map->type = MAP_TYPE_MMAP;
-	if ((map->p = mmap(0, CAST(size_t, st.st_size), PROT_READ|PROT_WRITE,
-	    MAP_PRIVATE|MAP_FILE, fd, CAST(off_t, 0))) == MAP_FAILED) {
-		file_error(ms, errno, "cannot map `%s'", dbname);
-		goto error;
-	}
-#else
 	map->type = MAP_TYPE_MALLOC;
-	if ((map->p = CAST(void *, malloc(map->len))) == NULL) {
-		file_oomem(ms, map->len);
-		goto error;
-	}
-	if (read(fd, map->p, map->len) != (ssize_t)map->len) {
-		file_badread(ms);
-		goto error;
-	}
-#endif
-	(void)close(fd);
-	fd = -1;
+	map->len = CAST(size_t, st.sb.st_size);
+	map->p = CAST(void *, emalloc(map->len));
 
-	if (check_buffer(ms, map, dbname) != 0) {
-		goto error;
-	}
-#ifdef QUICK
-	if (mprotect(map->p, CAST(size_t, st.st_size), PROT_READ) == -1) {
-		file_error(ms, errno, "cannot mprotect `%s'", dbname);
+	if (php_stream_read(stream, map->p, (size_t)st.sb.st_size) != (size_t)st.sb.st_size) {
+		file_badread(ms);
 		goto error;
 	}
-#endif
-
-	free(dbname);
-	return map;
-
-error:
-	if (fd != -1)
-		(void)close(fd);
-	apprentice_unmap(map);
-	free(dbname);
-	return rv;
-}
 
-private int
-check_buffer(struct magic_set *ms, struct magic_map *map, const char *dbname)
-{
-	uint32_t *ptr;
-	uint32_t entries, nentries;
-	uint32_t version;
-	int i, needsbyteswap;
+	php_stream_close(stream);
+	stream = NULL;
 
-	ptr = CAST(uint32_t *, map->p);
+internal_loaded:
+	ptr = (uint32_t *)(void *)map->p;
 	if (*ptr != MAGICNO) {
 		if (swap4(*ptr) != MAGICNO) {
 			file_error(ms, 0, "bad magic in `%s'", dbname);
-			return -1;
+			goto error;
 		}
 		needsbyteswap = 1;
 	} else
@@ -3191,17 +3111,29 @@
 	else
 		version = ptr[1];
 	if (version != VERSIONNO) {
-		file_error(ms, 0, "File %s supports only version %d magic "
-		    "files. `%s' is version %d", VERSION,
+		file_error(ms, 0, "File %d supports only version %d magic "
+		    "files. `%s' is version %d", MAGIC_VERSION,
 		    VERSIONNO, dbname, version);
-		return -1;
+		goto error;
 	}
-	entries = CAST(uint32_t, map->len / sizeof(struct magic));
-	if ((entries * sizeof(struct magic)) != map->len) {
-		file_error(ms, 0, "Size of `%s' %" SIZE_T_FORMAT "u is not "
-		    "a multiple of %" SIZE_T_FORMAT "u",
-		    dbname, map->len, sizeof(struct magic));
-		return -1;
+
+	/* php_magic_database is a const, performing writes will segfault. This is for big-endian
+	machines only, PPC and Sparc specifically. Consider static variable or MINIT in
+	future. */
+	if (needsbyteswap && fn == NULL) {
+		map->p = emalloc(sizeof(php_magic_database));
+		map->p = memcpy(map->p, php_magic_database, sizeof(php_magic_database));
+	}
+
+	if (NULL != fn) {
+		nentries = (uint32_t)(st.sb.st_size / sizeof(struct magic));
+		entries = (uint32_t)(st.sb.st_size / sizeof(struct magic));
+		if ((zend_off_t)(entries * sizeof(struct magic)) != st.sb.st_size) {
+			file_error(ms, 0, "Size of `%s' %llu is not a multiple of %zu",
+				dbname, (unsigned long long)st.sb.st_size,
+				sizeof(struct magic));
+			goto error;
+		}
 	}
 	map->magic[0] = CAST(struct magic *, map->p) + 1;
 	nentries = 0;
@@ -3214,15 +3146,29 @@
 			map->magic[i + 1] = map->magic[i] + map->nmagic[i];
 		nentries += map->nmagic[i];
 	}
-	if (entries != nentries + 1) {
+	if (NULL != fn && entries != nentries + 1) {
 		file_error(ms, 0, "Inconsistent entries in `%s' %u != %u",
 		    dbname, entries, nentries + 1);
-		return -1;
+		goto error;
 	}
 	if (needsbyteswap)
 		for (i = 0; i < MAGIC_SETS; i++)
 			byteswap(map->magic[i], map->nmagic[i]);
-	return 0;
+
+	if (dbname) {
+		efree(dbname);
+	}
+	return map;
+
+error:
+	if (stream) {
+		php_stream_close(stream);
+	}
+	apprentice_unmap(map);
+	if (dbname) {
+		efree(dbname);
+	}
+	return NULL;
 }
 
 /*
@@ -3233,7 +3179,6 @@
 {
 	static const size_t nm = sizeof(*map->nmagic) * MAGIC_SETS;
 	static const size_t m = sizeof(**map->magic);
-	int fd = -1;
 	size_t len;
 	char *dbname;
 	int rv = -1;
@@ -3242,14 +3187,17 @@
 		struct magic m;
 		uint32_t h[2 + MAGIC_SETS];
 	} hdr;
+	php_stream *stream;
 
 	dbname = mkdbname(ms, fn, 1);
 
 	if (dbname == NULL)
 		goto out;
 
-	if ((fd = open(dbname, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644)) == -1)
-	{
+	/* wb+ == O_WRONLY|O_CREAT|O_TRUNC|O_BINARY */
+	stream = php_stream_open_wrapper((char *)fn, "wb+", REPORT_ERRORS, NULL);
+
+	if (!stream) {
 		file_error(ms, errno, "cannot open `%s'", dbname);
 		goto out;
 	}
@@ -3258,26 +3206,25 @@
 	hdr.h[1] = VERSIONNO;
 	memcpy(hdr.h + 2, map->nmagic, nm);
 
-	if (write(fd, &hdr, sizeof(hdr)) != CAST(ssize_t, sizeof(hdr))) {
+	if (php_stream_write(stream,(const char *)&hdr, sizeof(hdr)) != (ssize_t)sizeof(hdr)) {
 		file_error(ms, errno, "error writing `%s'", dbname);
-		goto out2;
+		goto out;
 	}
 
 	for (i = 0; i < MAGIC_SETS; i++) {
 		len = m * map->nmagic[i];
-		if (write(fd, map->magic[i], len) != CAST(ssize_t, len)) {
+		if (php_stream_write(stream, (const char *)map->magic[i], len) != (ssize_t)len) {
 			file_error(ms, errno, "error writing `%s'", dbname);
-			goto out2;
+			goto out;
 		}
 	}
 
+	if (stream) {
+		php_stream_close(stream);
+	}
 	rv = 0;
-out2:
-	if (fd != -1)
-		(void)close(fd);
 out:
-	apprentice_unmap(map);
-	free(dbname);
+	efree(dbname);
 	return rv;
 }
 
@@ -3311,17 +3258,18 @@
 	q++;
 	/* Compatibility with old code that looked in .mime */
 	if (ms->flags & MAGIC_MIME) {
-		if (asprintf(&buf, "%.*s.mime%s", CAST(int, q - fn), fn, ext)
-		    < 0)
-			return NULL;
-		if (access(buf, R_OK) != -1) {
+		spprintf(&buf, MAXPATHLEN, "%.*s.mime%s", CAST(int, q - fn), fn, ext);
+#ifdef PHP_WIN32
+		if (VCWD_ACCESS(buf, R_OK) == 0) {
+#else
+		if (VCWD_ACCESS(buf, R_OK) != -1) {
+#endif
 			ms->flags &= MAGIC_MIME_TYPE;
 			return buf;
 		}
-		free(buf);
+		efree(buf);
 	}
-	if (asprintf(&buf, "%.*s%s", CAST(int, q - fn), fn, ext) < 0)
-		return NULL;
+	spprintf(&buf, MAXPATHLEN, "%.*s%s", CAST(int, q - fn), fn, ext);
 
 	/* Compatibility with old code that looked in .mime */
 	if (strstr(fn, ".mime") != NULL)
@@ -3411,7 +3359,7 @@
 	m->offset = swap4(CAST(uint32_t, m->offset));
 	m->in_offset = swap4(CAST(uint32_t, m->in_offset));
 	m->lineno = swap4(CAST(uint32_t, m->lineno));
-	if (IS_STRING(m->type)) {
+	if (IS_LIBMAGIC_STRING(m->type)) {
 		m->str_range = swap4(m->str_range);
 		m->str_flags = swap4(m->str_flags);
 	}
diff -u libmagic.orig/ascmagic.c libmagic/ascmagic.c
--- libmagic.orig/ascmagic.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/ascmagic.c	2021-10-24 17:03:48.529884451 -0600
@@ -96,7 +96,7 @@
 		rv = file_ascmagic_with_encoding(ms, &bb,
 		    ubuf, ulen, code, type, text);
 
-	free(ubuf);
+	efree(ubuf);
 
 	return rv;
 }
@@ -143,7 +143,7 @@
 		/* malloc size is a conservative overestimate; could be
 		   improved, or at least realloced after conversion. */
 		mlen = ulen * 6;
-		if ((utf8_buf = CAST(unsigned char *, malloc(mlen))) == NULL) {
+		if ((utf8_buf = CAST(unsigned char *, emalloc(mlen))) == NULL) {
 			file_oomem(ms, mlen);
 			goto done;
 		}
@@ -330,7 +330,8 @@
 	}
 	rv = 1;
 done:
-	free(utf8_buf);
+	if (utf8_buf)
+		efree(utf8_buf);
 
 	return rv;
 }
diff -u libmagic.orig/buffer.c libmagic/buffer.c
--- libmagic.orig/buffer.c	2021-02-22 17:49:26.000000000 -0700
+++ libmagic/buffer.c	2021-10-24 17:03:45.681791493 -0600
@@ -31,19 +31,23 @@
 #endif	/* lint */
 
 #include "magic.h"
+#ifdef PHP_WIN32
+#include "win32/unistd.h"
+#else
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 
 void
-buffer_init(struct buffer *b, int fd, const struct stat *st, const void *data,
+buffer_init(struct buffer *b, int fd, const zend_stat_t *st, const void *data,
     size_t len)
 {
 	b->fd = fd;
 	if (st)
 		memcpy(&b->st, st, sizeof(b->st));
-	else if (b->fd == -1 || fstat(b->fd, &b->st) == -1)
+	else if (b->fd == -1 || zend_fstat(b->fd, &b->st) == -1)
 		memset(&b->st, 0, sizeof(b->st));
 	b->fbuf = data;
 	b->flen = len;
@@ -55,7 +59,7 @@
 void
 buffer_fini(struct buffer *b)
 {
-	free(b->ebuf);
+	efree(b->ebuf);
 }
 
 int
@@ -71,12 +75,14 @@
 
 	b->elen =  CAST(size_t, b->st.st_size) < b->flen ?
 	    CAST(size_t, b->st.st_size) : b->flen;
-	if ((b->ebuf = malloc(b->elen)) == NULL)
+	if ((b->ebuf = emalloc(b->elen)) == NULL)
 		goto out;
 
 	b->eoff = b->st.st_size - b->elen;
-	if (pread(b->fd, b->ebuf, b->elen, b->eoff) == -1) {
-		free(b->ebuf);
+	if (FINFO_LSEEK_FUNC(b->fd, b->eoff, SEEK_SET) == (zend_off_t)-1 ||
+		FINFO_READ_FUNC(b->fd, b->ebuf, b->elen) != (ssize_t)b->elen)
+	{
+		efree(b->ebuf);
 		b->ebuf = NULL;
 		goto out;
 	}
diff -u libmagic.orig/cdf.c libmagic/cdf.c
--- libmagic.orig/cdf.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/cdf.c	2021-10-24 17:03:45.681791493 -0600
@@ -43,7 +43,17 @@
 #include <err.h>
 #endif
 #include <stdlib.h>
+
+#ifdef PHP_WIN32
+#include "win32/unistd.h"
+#else
 #include <unistd.h>
+#endif
+
+#ifndef UINT32_MAX
+# define UINT32_MAX (0xffffffff)
+#endif
+
 #include <string.h>
 #include <time.h>
 #include <ctype.h>
@@ -85,40 +95,9 @@
 			    CDF_TOLE8(CAST(uint64_t, x))))
 #define CDF_GETUINT32(x, y)	cdf_getuint32(x, y)
 
-#define CDF_MALLOC(n) cdf_malloc(__FILE__, __LINE__, (n))
-#define CDF_REALLOC(p, n) cdf_realloc(__FILE__, __LINE__, (p), (n))
-#define CDF_CALLOC(n, u) cdf_calloc(__FILE__, __LINE__, (n), (u))
-
-
-/*ARGSUSED*/
-static void *
-cdf_malloc(const char *file __attribute__((__unused__)),
-    size_t line __attribute__((__unused__)), size_t n)
-{
-	DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n",
-	    file, line, __func__, n));
-	return malloc(n);
-}
-
-/*ARGSUSED*/
-static void *
-cdf_realloc(const char *file __attribute__((__unused__)),
-    size_t line __attribute__((__unused__)), void *p, size_t n)
-{
-	DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u\n",
-	    file, line, __func__, n));
-	return realloc(p, n);
-}
-
-/*ARGSUSED*/
-static void *
-cdf_calloc(const char *file __attribute__((__unused__)),
-    size_t line __attribute__((__unused__)), size_t n, size_t u)
-{
-	DPRINTF(("%s,%" SIZE_T_FORMAT "u: %s %" SIZE_T_FORMAT "u %"
-	    SIZE_T_FORMAT "u\n", file, line, __func__, n, u));
-	return calloc(n, u);
-}
+#define CDF_MALLOC(n) emalloc(n)
+#define CDF_REALLOC(p, n) erealloc(p, n)
+#define CDF_CALLOC(n, u) ecalloc(n, u)
 
 /*
  * swap a short
@@ -314,7 +293,7 @@
 	scn->sst_len = 0;
 	scn->sst_dirlen = 0;
 	scn->sst_ss = 0;
-	free(scn->sst_tab);
+	efree(scn->sst_tab);
 	scn->sst_tab = NULL;
 	return -1;
 }
@@ -322,9 +301,11 @@
 static size_t
 cdf_check_stream(const cdf_stream_t *sst, const cdf_header_t *h)
 {
+#ifndef NDEBUG
 	size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
 	    CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
 	assert(ss == sst->sst_ss);
+#endif
 	return sst->sst_ss;
 }
 
@@ -347,11 +328,11 @@
 }
 
 static ssize_t
-cdf_read(const cdf_info_t *info, off_t off, void *buf, size_t len)
+cdf_read(const cdf_info_t *info, zend_off_t off, void *buf, size_t len)
 {
 	size_t siz = CAST(size_t, off + len);
 
-	if (CAST(off_t, off + len) != CAST(off_t, siz))
+	if (CAST(zend_off_t, off + len) != CAST(zend_off_t, siz))
 		goto out;
 
 	if (info->i_buf != NULL && info->i_len >= siz) {
@@ -362,7 +343,10 @@
 	if (info->i_fd == -1)
 		goto out;
 
-	if (pread(info->i_fd, buf, len, off) != CAST(ssize_t, len))
+	if (FINFO_LSEEK_FUNC(info->i_fd, off, SEEK_SET) == (zend_off_t)-1)
+		return -1;
+
+	if (FINFO_READ_FUNC(info->i_fd, buf, len) != (ssize_t)len)
 		return -1;
 
 	return CAST(ssize_t, len);
@@ -377,7 +361,7 @@
 	char buf[512];
 
 	(void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
-	if (cdf_read(info, CAST(off_t, 0), buf, sizeof(buf)) == -1)
+	if (cdf_read(info, CAST(zend_off_t, 0), buf, sizeof(buf)) == -1)
 		return -1;
 	cdf_unpack_header(h, buf);
 	cdf_swap_header(h);
@@ -524,14 +508,14 @@
 	}
 out:
 	sat->sat_len = i;
-	free(msa);
+	efree(msa);
 	return 0;
 out3:
 	errno = EFTYPE;
 out2:
-	free(msa);
+	efree(msa);
 out1:
-	free(sat->sat_tab);
+	efree(sat->sat_tab);
 	return -1;
 }
 
@@ -699,7 +683,7 @@
 		return -1;
 
 	if ((buf = CAST(char *, CDF_MALLOC(ss))) == NULL) {
-		free(dir->dir_tab);
+		efree(dir->dir_tab);
 		return -1;
 	}
 
@@ -722,11 +706,11 @@
 	if (NEED_SWAP)
 		for (i = 0; i < dir->dir_len; i++)
 			cdf_swap_dir(&dir->dir_tab[i]);
-	free(buf);
+	efree(buf);
 	return 0;
 out:
-	free(dir->dir_tab);
-	free(buf);
+	efree(dir->dir_tab);
+	efree(buf);
 	errno = EFTYPE;
 	return -1;
 }
@@ -771,7 +755,7 @@
 out:
 	errno = EFTYPE;
 out1:
-	free(ssat->sat_tab);
+	efree(ssat->sat_tab);
 	return -1;
 }
 
@@ -933,7 +917,7 @@
 	*maxcount = newcount;
 	return inp;
 out:
-	free(*info);
+	efree(*info);
 	*maxcount = 0;
 	*info = NULL;
 	return NULL;
@@ -1115,7 +1099,7 @@
 	}
 	return 0;
 out:
-	free(*info);
+	efree(*info);
 	*info = NULL;
 	*count = 0;
 	*maxcount = 0;
@@ -1407,7 +1391,7 @@
 	cdf_directory_t *d;
 	char name[__arraycount(d->d_name)];
 	cdf_stream_t scn;
-	struct timespec ts;
+	struct timeval ts;
 
 	static const char *types[] = { "empty", "user storage",
 	    "user stream", "lockbytes", "property", "root storage" };
@@ -1449,7 +1433,7 @@
 				break;
 			}
 			cdf_dump_stream(&scn);
-			free(scn.sst_tab);
+			efree(scn.sst_tab);
 			break;
 		default:
 			break;
@@ -1462,7 +1446,7 @@
 cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
 {
 	cdf_timestamp_t tp;
-	struct timespec ts;
+	struct timeval ts;
 	char buf[64];
 	size_t i, j;
 
@@ -1547,7 +1531,7 @@
 	(void)fprintf(stderr, "Class %s\n", buf);
 	(void)fprintf(stderr, "Count %d\n", ssi.si_count);
 	cdf_dump_property_info(info, count);
-	free(info);
+	efree(info);
 }
 
 
@@ -1568,7 +1552,7 @@
 		    cdf_u16tos8(sbuf, ce[i].ce_namlen, ce[i].ce_name),
 		    cdf_ctime(&ts.tv_sec, tbuf));
 	}
-	free(cat);
+	efree(cat);
 }
 
 #endif
diff -u libmagic.orig/cdf.h libmagic/cdf.h
--- libmagic.orig/cdf.h	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/cdf.h	2021-10-24 17:03:40.741632734 -0600
@@ -35,10 +35,10 @@
 #ifndef _H_CDF_
 #define _H_CDF_
 
-#ifdef WIN32
+#ifdef PHP_WIN32
 #include <winsock2.h>
-#define timespec timeval
-#define tv_nsec tv_usec
+#define asctime_r php_asctime_r
+#define ctime_r php_ctime_r
 #endif
 #ifdef __DJGPP__
 #define timespec timeval
diff -u libmagic.orig/cdf_time.c libmagic/cdf_time.c
--- libmagic.orig/cdf_time.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/cdf_time.c	2021-10-24 17:03:40.741632734 -0600
@@ -23,6 +23,7 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
+#include "php.h"
 
 #include "file.h"
 
@@ -152,7 +153,7 @@
 #endif
 #ifdef notyet
 	struct tm tm;
-	if (gmtime_r(&ts->ts_sec, &tm) == NULL) {
+	if (php_gmtime_r(&ts->ts_sec, &tm) == NULL) {
 		errno = EINVAL;
 		return -1;
 	}
@@ -168,7 +169,7 @@
 char *
 cdf_ctime(const time_t *sec, char *buf)
 {
-	char *ptr = ctime_r(sec, buf);
+	char *ptr = php_ctime_r(sec, buf);
 	if (ptr != NULL)
 		return buf;
 	(void)snprintf(buf, 26, "*Bad* %#16.16" INT64_T_FORMAT "x\n",
diff -u libmagic.orig/compress.c libmagic/compress.c
--- libmagic.orig/compress.c	2021-02-22 17:49:07.000000000 -0700
+++ libmagic/compress.c	2021-10-24 17:03:48.529884451 -0600
@@ -51,7 +51,7 @@
 #ifndef HAVE_SIG_T
 typedef void (*sig_t)(int);
 #endif /* HAVE_SIG_T */
-#if !defined(__MINGW32__) && !defined(WIN32) && !defined(__MINGW64__)
+#ifndef PHP_WIN32
 #include <sys/ioctl.h>
 #endif
 #ifdef HAVE_SYS_WAIT_H
@@ -60,13 +60,14 @@
 #if defined(HAVE_SYS_TIME_H)
 #include <sys/time.h>
 #endif
-
-#if defined(HAVE_ZLIB_H) && defined(ZLIBSUPPORT)
+#if defined(HAVE_ZLIB_H) && defined(PHP_FILEINFO_UNCOMPRESS)
 #define BUILTIN_DECOMPRESS
 #include <zlib.h>
 #endif
 
-#if defined(HAVE_BZLIB_H) && defined(BZLIBSUPPORT)
+#undef FIONREAD
+
+#if defined(PHP_FILEINFO_UNCOMPRESS)
 #define BUILTIN_BZLIB
 #include <bzlib.h>
 #endif
@@ -118,6 +119,8 @@
 }
 #endif
 
+#ifdef PHP_FILEINFO_UNCOMPRESS
+
 static int
 lzmacmp(const unsigned char *buf)
 {
@@ -221,8 +224,7 @@
     size_t *);
 #endif
 
-static int makeerror(unsigned char **, size_t *, const char *, ...)
-    __attribute__((__format__(__printf__, 3, 4)));
+static int makeerror(unsigned char **, size_t *, const char *, ...);
 private const char *methodname(size_t);
 
 private int
@@ -294,7 +296,7 @@
 			if (urv == ERRDATA)
 				prv = format_decompression_error(ms, i, newbuf);
 			else
-				prv = file_buffer(ms, -1, NULL, name, newbuf, nsz);
+				prv = file_buffer(ms, NULL, NULL, name, newbuf, nsz);
 			if (prv == -1)
 				goto error;
 			rv = 1;
@@ -311,17 +313,17 @@
 			 * XXX: If file_buffer fails here, we overwrite
 			 * the compressed text. FIXME.
 			 */
-			if (file_buffer(ms, -1, NULL, NULL, buf, nbytes) == -1) {
+			if (file_buffer(ms, NULL, NULL, NULL, buf, nbytes) == -1) {
 				if (file_pop_buffer(ms, pb) != NULL)
 					abort();
 				goto error;
 			}
 			if ((rbuf = file_pop_buffer(ms, pb)) != NULL) {
 				if (file_printf(ms, "%s", rbuf) == -1) {
-					free(rbuf);
+					efree(rbuf);
 					goto error;
 				}
-				free(rbuf);
+				efree(rbuf);
 			}
 			if (!mime && file_printf(ms, ")") == -1)
 				goto error;
@@ -342,7 +344,8 @@
 	if (sa_saved && sig_act.sa_handler != SIG_IGN)
 		(void)sigaction(SIGPIPE, &sig_act, NULL);
 
-	free(newbuf);
+	if (newbuf)
+		efree(newbuf);
 	ms->flags |= MAGIC_COMPRESS;
 	DPRINTF("Zmagic returns %d\n", rv);
 	return rv;
@@ -377,7 +380,7 @@
  * `safe' read for sockets and pipes.
  */
 protected ssize_t
-sread(int fd, void *buf, size_t n, int canbepipe __attribute__((__unused__)))
+sread(int fd, void *buf, size_t n, int canbepipe)
 {
 	ssize_t rv;
 #ifdef FIONREAD
@@ -425,7 +428,7 @@
 
 nocheck:
 	do
-		switch ((rv = read(fd, buf, n))) {
+		switch ((rv = FINFO_READ_FUNC(fd, buf, n))) {
 		case -1:
 			if (errno == EINTR)
 				continue;
@@ -504,13 +507,13 @@
 		return -1;
 	}
 	(void)close(tfd);
-	if (lseek(fd, CAST(off_t, 0), SEEK_SET) == CAST(off_t, -1)) {
+	if (FINFO_LSEEK_FUNC(fd, (zend_off_t)0, SEEK_SET) == (zend_off_t)-1) {
 		file_badseek(ms);
 		return -1;
 	}
 	return fd;
 }
-#if HAVE_FORK
+#ifdef PHP_FILEINFO_UNCOMPRESS
 #ifdef BUILTIN_DECOMPRESS
 
 #define FHCRC		(1 << 1)
@@ -561,7 +564,7 @@
 	int rc;
 	z_stream z;
 
-	if ((*newch = CAST(unsigned char *, malloc(bytes_max + 1))) == NULL)
+	if ((*newch = CAST(unsigned char *, emalloc(bytes_max + 1))) == NULL)
 		return makeerror(newch, n, "No buffer, %s", strerror(errno));
 
 	z.next_in = CCAST(Bytef *, old);
@@ -986,3 +989,4 @@
 	return rv;
 }
 #endif
+#endif
diff -u libmagic.orig/der.c libmagic/der.c
--- libmagic.orig/der.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/der.c	2021-10-24 17:03:48.529884451 -0600
@@ -54,7 +54,9 @@
 #include "magic.h"
 #include "der.h"
 #else
+#ifndef PHP_WIN32
 #include <sys/mman.h>
+#endif
 #include <sys/stat.h>
 #include <err.h>
 #endif
diff -u libmagic.orig/elfclass.h libmagic/elfclass.h
--- libmagic.orig/elfclass.h	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/elfclass.h	2021-10-24 17:03:40.741632734 -0600
@@ -41,7 +41,7 @@
 			return toomany(ms, "program headers", phnum);
 		flags |= FLAGS_IS_CORE;
 		if (dophn_core(ms, clazz, swap, fd,
-		    CAST(off_t, elf_getu(swap, elfhdr.e_phoff)), phnum,
+		    CAST(zend_off_t, elf_getu(swap, elfhdr.e_phoff)), phnum,
 		    CAST(size_t, elf_getu16(swap, elfhdr.e_phentsize)),
 		    fsize, &flags, &notecount) == -1)
 			return -1;
@@ -56,7 +56,7 @@
 		if (shnum > ms->elf_shnum_max)
 			return toomany(ms, "section", shnum);
 		if (dophn_exec(ms, clazz, swap, fd,
-		    CAST(off_t, elf_getu(swap, elfhdr.e_phoff)), phnum,
+		    CAST(zend_off_t, elf_getu(swap, elfhdr.e_phoff)), phnum,
 		    CAST(size_t, elf_getu16(swap, elfhdr.e_phentsize)),
 		    fsize, shnum, &flags, &notecount) == -1)
 			return -1;
@@ -66,7 +66,7 @@
 		if (shnum > ms->elf_shnum_max)
 			return toomany(ms, "section headers", shnum);
 		if (doshn(ms, clazz, swap, fd,
-		    CAST(off_t, elf_getu(swap, elfhdr.e_shoff)), shnum,
+		    CAST(zend_off_t, elf_getu(swap, elfhdr.e_shoff)), shnum,
 		    CAST(size_t, elf_getu16(swap, elfhdr.e_shentsize)),
 		    fsize, elf_getu16(swap, elfhdr.e_machine),
 		    CAST(int, elf_getu16(swap, elfhdr.e_shstrndx)),
diff -u libmagic.orig/encoding.c libmagic/encoding.c
--- libmagic.orig/encoding.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/encoding.c	2021-10-24 17:03:48.529884451 -0600
@@ -98,14 +98,14 @@
 		nbytes = ms->encoding_max;
 
 	mlen = (nbytes + 1) * sizeof((*ubuf)[0]);
-	*ubuf = CAST(file_unichar_t *, calloc(CAST(size_t, 1), mlen));
+	*ubuf = CAST(file_unichar_t *, ecalloc(CAST(size_t, 1), mlen));
 	if (*ubuf == NULL) {
 		file_oomem(ms, mlen);
 		goto done;
 	}
 	mlen = (nbytes + 1) * sizeof(nbuf[0]);
 	if ((nbuf = CAST(unsigned char *,
-	    calloc(CAST(size_t, 1), mlen))) == NULL) {
+	    ecalloc(CAST(size_t, 1), mlen))) == NULL) {
 		file_oomem(ms, mlen);
 		goto done;
 	}
@@ -174,9 +174,9 @@
 	}
 
  done:
-	free(nbuf);
+	efree(nbuf);
 	if (ubuf == &udefbuf)
-		free(udefbuf);
+		efree(udefbuf);
 
 	return rv;
 }
@@ -283,7 +283,7 @@
 	u = 0; \
 	for (i = 0; i < __arraycount(dist); i++) { \
 		if (dist[i]) \
-			u++; \
+			u += dist[i]; \
 	} \
 	if (u < 3) \
 		return 0; \
diff -u libmagic.orig/file.h libmagic/file.h
--- libmagic.orig/file.h	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/file.h	2021-10-24 17:03:48.529884451 -0600
@@ -33,17 +33,14 @@
 #ifndef __file_h__
 #define __file_h__
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
 
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
+#include "php.h"
+#include "ext/standard/php_string.h"
+#include "ext/pcre/php_pcre.h"
 
-#ifdef HAVE_INTTYPES_H
+#include <stdint.h>
 #include <inttypes.h>
-#endif
 
 #ifndef __STDC_LIMIT_MACROS
 #define __STDC_LIMIT_MACROS
@@ -79,23 +76,26 @@
 #include <stdio.h>	/* Include that here, to make sure __P gets defined */
 #include <errno.h>
 #include <fcntl.h>	/* For open and flags */
-#include <regex.h>
-#include <time.h>
+
 #include <sys/types.h>
-#ifndef WIN32
+#ifdef PHP_WIN32
+#include "win32/param.h"
+#else
 #include <sys/param.h>
 #endif
 /* Do this here and now, because struct stat gets re-defined on solaris */
 #include <sys/stat.h>
 #include <stdarg.h>
 
+#define abort()	zend_error_noreturn(E_ERROR, "fatal libmagic error")
+
 #define ENABLE_CONDITIONALS
 
 #ifndef MAGIC
 #define MAGIC "/etc/magic"
 #endif
 
-#if defined(__EMX__) || defined (WIN32)
+#if defined(__EMX__) || defined(PHP_WIN32)
 #define PATHSEP	';'
 #else
 #define PATHSEP	':'
@@ -129,12 +129,6 @@
 #endif
 #endif
 
-#ifndef __GNUC__
-#ifndef __attribute__
-#define __attribute__(a)
-#endif
-#endif
-
 #ifndef MIN
 #define	MIN(a,b)	(((a) < (b)) ? (a) : (b))
 #endif
@@ -169,10 +163,10 @@
 
 struct buffer {
 	int fd;
-	struct stat st;
+	zend_stat_t st;
 	const void *fbuf;
 	size_t flen;
-	off_t eoff;
+	zend_off_t eoff;
 	void *ebuf;
 	size_t elen;
 };
@@ -266,7 +260,7 @@
 #define				FILE_OFFSET	50
 #define				FILE_NAMES_SIZE	51 /* size of array to contain all names */
 
-#define IS_STRING(t) \
+#define IS_LIBMAGIC_STRING(t) \
 	((t) == FILE_STRING || \
 	 (t) == FILE_PSTRING || \
 	 (t) == FILE_BESTRING16 || \
@@ -484,13 +478,11 @@
 protected const char *file_fmttime(char *, size_t, uint64_t, int);
 protected struct magic_set *file_ms_alloc(int);
 protected void file_ms_free(struct magic_set *);
-protected int file_default(struct magic_set *, size_t);
-protected int file_buffer(struct magic_set *, int, struct stat *, const char *,
-    const void *, size_t);
-protected int file_fsmagic(struct magic_set *, const char *, struct stat *);
+protected int file_buffer(struct magic_set *, php_stream *, zend_stat_t *, const char *, const void *,
+    size_t);
+protected int file_fsmagic(struct magic_set *, const char *, zend_stat_t *);
 protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
-protected int file_vprintf(struct magic_set *, const char *, va_list)
-    __attribute__((__format__(__printf__, 2, 0)));
+protected int file_vprintf(struct magic_set *, const char *, va_list);
 protected int file_separator(struct magic_set *);
 protected char *file_copystr(char *, size_t, size_t, const char *);
 protected int file_checkfmt(char *, size_t, const char *);
@@ -498,12 +490,11 @@
 protected int file_print_guid(char *, size_t, const uint64_t *);
 protected int file_parse_guid(const char *, uint64_t *);
 protected int file_replace(struct magic_set *, const char *, const char *);
-protected int file_printf(struct magic_set *, const char *, ...)
-    __attribute__((__format__(__printf__, 2, 3)));
+protected int file_printf(struct magic_set *, const char *, ...);
 protected int file_reset(struct magic_set *, int);
 protected int file_tryelf(struct magic_set *, const struct buffer *);
 protected int file_trycdf(struct magic_set *, const struct buffer *);
-#if HAVE_FORK
+#ifdef PHP_FILEINFO_UNCOMPRESS
 protected int file_zmagic(struct magic_set *, const struct buffer *,
     const char *);
 #endif
@@ -527,12 +518,9 @@
 protected void file_badread(struct magic_set *);
 protected void file_badseek(struct magic_set *);
 protected void file_oomem(struct magic_set *, size_t);
-protected void file_error(struct magic_set *, int, const char *, ...)
-    __attribute__((__format__(__printf__, 3, 4)));
-protected void file_magerror(struct magic_set *, const char *, ...)
-    __attribute__((__format__(__printf__, 2, 3)));
-protected void file_magwarn(struct magic_set *, const char *, ...)
-    __attribute__((__format__(__printf__, 2, 3)));
+protected void file_error(struct magic_set *, int, const char *, ...);
+protected void file_magerror(struct magic_set *, const char *, ...);
+protected void file_magwarn(struct magic_set *, const char *, ...);
 protected void file_mdump(struct magic *);
 protected void file_showstr(FILE *, const char *, size_t);
 protected size_t file_mbswidth(const char *);
@@ -554,34 +542,12 @@
 protected int file_clear_closexec(int);
 protected char *file_strtrim(char *);
 
-protected void buffer_init(struct buffer *, int, const struct stat *,
+protected void buffer_init(struct buffer *, int, const zend_stat_t *,
     const void *, size_t);
 protected void buffer_fini(struct buffer *);
 protected int buffer_fill(const struct buffer *);
 
-#include <locale.h>
-#if defined(HAVE_XLOCALE_H)
-#include <xlocale.h>
-#endif
-
-typedef struct {
-	const char *pat;
-#if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE) && defined(HAVE_FREELOCALE)
-#define USE_C_LOCALE
-	locale_t old_lc_ctype;
-	locale_t c_lc_ctype;
-#else
-	char *old_lc_ctype;
-#endif
-	int rc;
-	regex_t rx;
-} file_regex_t;
-
-protected int file_regcomp(file_regex_t *, const char *, int);
-protected int file_regexec(file_regex_t *, const char *, size_t, regmatch_t *,
-    int);
-protected void file_regfree(file_regex_t *);
-protected void file_regerror(file_regex_t *, int, struct magic_set *);
+public zend_string* convert_libmagic_pattern(const char *val, size_t len, uint32_t options);
 
 typedef struct {
 	char *buf;
@@ -597,23 +563,10 @@
 extern const size_t file_nnames;
 #endif
 
-#ifndef HAVE_PREAD
-ssize_t pread(int, void *, size_t, off_t);
-#endif
-#ifndef HAVE_VASPRINTF
-int vasprintf(char **, const char *, va_list);
-#endif
-#ifndef HAVE_ASPRINTF
-int asprintf(char **, const char *, ...);
-#endif
-#ifndef HAVE_DPRINTF
-int dprintf(int, const char *, ...);
-#endif
-
-#ifndef HAVE_STRLCPY
+#ifndef strlcpy
 size_t strlcpy(char *, const char *, size_t);
 #endif
-#ifndef HAVE_STRLCAT
+#ifndef strlcat
 size_t strlcat(char *, const char *, size_t);
 #endif
 #ifndef HAVE_STRCASESTR
@@ -629,39 +582,6 @@
 #ifndef HAVE_ASCTIME_R
 char   *asctime_r(const struct tm *, char *);
 #endif
-#ifndef HAVE_GMTIME_R
-struct tm *gmtime_r(const time_t *, struct tm *);
-#endif
-#ifndef HAVE_LOCALTIME_R
-struct tm *localtime_r(const time_t *, struct tm *);
-#endif
-#ifndef HAVE_FMTCHECK
-const char *fmtcheck(const char *, const char *)
-     __attribute__((__format_arg__(2)));
-#endif
-
-#ifdef HAVE_LIBSECCOMP
-// basic filter
-// this mode should not interfere with normal operations
-// only some dangerous syscalls are blacklisted
-int enable_sandbox_basic(void);
-
-// enhanced filter
-// this mode allows only the necessary syscalls used during normal operation
-// extensive testing required !!!
-int enable_sandbox_full(void);
-#endif
-
-protected const char *file_getprogname(void);
-protected void file_setprogname(const char *);
-protected void file_err(int, const char *, ...)
-    __attribute__((__format__(__printf__, 2, 3), __noreturn__));
-protected void file_errx(int, const char *, ...)
-    __attribute__((__format__(__printf__, 2, 3), __noreturn__));
-protected void file_warn(const char *, ...)
-    __attribute__((__format__(__printf__, 1, 2)));
-protected void file_warnx(const char *, ...)
-    __attribute__((__format__(__printf__, 1, 2)));
 
 #if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
 #define QUICK
@@ -691,4 +611,16 @@
 #define __RCSID(a)
 #endif
 
+#ifdef PHP_WIN32
+#ifdef _WIN64
+#define FINFO_LSEEK_FUNC _lseeki64
+#else
+#define FINFO_LSEEK_FUNC _lseek
+#endif
+#define FINFO_READ_FUNC _read
+#else
+#define FINFO_LSEEK_FUNC lseek
+#define FINFO_READ_FUNC read
+#endif
+
 #endif /* __file_h__ */
diff -u libmagic.orig/fsmagic.c libmagic/fsmagic.c
--- libmagic.orig/fsmagic.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/fsmagic.c	2021-10-24 17:03:45.681791493 -0600
@@ -66,26 +66,10 @@
 # define minor(dev)  ((dev) & 0xff)
 #endif
 #undef HAVE_MAJOR
-#ifdef	S_IFLNK
-private int
-bad_link(struct magic_set *ms, int err, char *buf)
-{
-	int mime = ms->flags & MAGIC_MIME;
-	if ((mime & MAGIC_MIME_TYPE) &&
-	    file_printf(ms, "inode/symlink")
-	    == -1)
-		return -1;
-	else if (!mime) {
-		if (ms->flags & MAGIC_ERROR) {
-			file_error(ms, err,
-				   "broken symbolic link to %s", buf);
-			return -1;
-		}
-		if (file_printf(ms, "broken symbolic link to %s", buf) == -1)
-			return -1;
-	}
-	return 1;
-}
+
+#ifdef PHP_WIN32
+
+# undef S_IFIFO
 #endif
 private int
 handle_mime(struct magic_set *ms, int mime, const char *str)
@@ -103,60 +87,17 @@
 }
 
 protected int
-file_fsmagic(struct magic_set *ms, const char *fn, struct stat *sb)
+file_fsmagic(struct magic_set *ms, const char *fn, zend_stat_t *sb)
 {
 	int ret, did = 0;
 	int mime = ms->flags & MAGIC_MIME;
 	int silent = ms->flags & (MAGIC_APPLE|MAGIC_EXTENSION);
-#ifdef	S_IFLNK
-	char buf[BUFSIZ+4];
-	ssize_t nch;
-	struct stat tstatbuf;
-#endif
 
 	if (fn == NULL)
 		return 0;
 
 #define COMMA	(did++ ? ", " : "")
-	/*
-	 * Fstat is cheaper but fails for files you don't have read perms on.
-	 * On 4.2BSD and similar systems, use lstat() to identify symlinks.
-	 */
-#ifdef	S_IFLNK
-	if ((ms->flags & MAGIC_SYMLINK) == 0)
-		ret = lstat(fn, sb);
-	else
-#endif
-	ret = stat(fn, sb);	/* don't merge into if; see "ret =" above */
-
-#ifdef WIN32
-	{
-		HANDLE hFile = CreateFile((LPCSTR)fn, 0, FILE_SHARE_DELETE |
-		    FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0,
-		    NULL);
-		if (hFile != INVALID_HANDLE_VALUE) {
-			/*
-			 * Stat failed, but we can still open it - assume it's
-			 * a block device, if nothing else.
-			 */
-			if (ret) {
-				sb->st_mode = S_IFBLK;
-				ret = 0;
-			}
-			switch (GetFileType(hFile)) {
-			case FILE_TYPE_CHAR:
-				sb->st_mode |= S_IFCHR;
-				sb->st_mode &= ~S_IFREG;
-				break;
-			case FILE_TYPE_PIPE:
-				sb->st_mode |= S_IFIFO;
-				sb->st_mode &= ~S_IFREG;
-				break;
-			}
-			CloseHandle(hFile);
-		}
-	}
-#endif
+	ret = php_sys_stat(fn, sb);
 
 	if (ret) {
 		if (ms->flags & MAGIC_ERROR) {
@@ -189,32 +130,24 @@
 	}
 
 	switch (sb->st_mode & S_IFMT) {
-	case S_IFDIR:
-		if (mime) {
-			if (handle_mime(ms, mime, "directory") == -1)
-				return -1;
-		} else if (silent) {
-		} else if (file_printf(ms, "%sdirectory", COMMA) == -1)
-			return -1;
-		break;
-#ifdef S_IFCHR
-	case S_IFCHR:
-		/*
-		 * If -s has been specified, treat character special files
-		 * like ordinary files.  Otherwise, just report that they
-		 * are block special files and go on to the next file.
-		 */
-		if ((ms->flags & MAGIC_DEVICES) != 0) {
-			ret = 0;
-			break;
-		}
-		if (mime) {
-			if (handle_mime(ms, mime, "chardevice") == -1)
-				return -1;
-		} else if (silent) {
-		} else {
-#ifdef HAVE_STRUCT_STAT_ST_RDEV
-# ifdef dv_unit
+#ifndef PHP_WIN32
+# ifdef S_IFCHR
+		case S_IFCHR:
+			/*
+			 * If -s has been specified, treat character special files
+			 * like ordinary files.  Otherwise, just report that they
+			 * are block special files and go on to the next file.
+			 */
+			if ((ms->flags & MAGIC_DEVICES) != 0) {
+				ret = 0;
+				break;
+			}
+			if (mime) {
+				if (handle_mime(ms, mime, "chardevice") == -1)
+					return -1;
+			} else {
+#  ifdef HAVE_STAT_ST_RDEV
+#   ifdef dv_unit
 			if (file_printf(ms, "%scharacter special (%d/%d/%d)",
 			    COMMA, major(sb->st_rdev), dv_unit(sb->st_rdev),
 					dv_subunit(sb->st_rdev)) == -1)
@@ -229,45 +162,11 @@
 			if (file_printf(ms, "%scharacter special", COMMA) == -1)
 				return -1;
 #endif
-		}
-		break;
-#endif
-#ifdef S_IFBLK
-	case S_IFBLK:
-		/*
-		 * If -s has been specified, treat block special files
-		 * like ordinary files.  Otherwise, just report that they
-		 * are block special files and go on to the next file.
-		 */
-		if ((ms->flags & MAGIC_DEVICES) != 0) {
-			ret = 0;
-			break;
-		}
-		if (mime) {
-			if (handle_mime(ms, mime, "blockdevice") == -1)
-				return -1;
-		} else if (silent) {
-		} else {
-#ifdef HAVE_STRUCT_STAT_ST_RDEV
-# ifdef dv_unit
-			if (file_printf(ms, "%sblock special (%d/%d/%d)",
-			    COMMA, major(sb->st_rdev), dv_unit(sb->st_rdev),
-			    dv_subunit(sb->st_rdev)) == -1)
-				return -1;
-# else
-			if (file_printf(ms, "%sblock special (%ld/%ld)",
-			    COMMA, (long)major(sb->st_rdev),
-			    (long)minor(sb->st_rdev)) == -1)
-				return -1;
+	}
+			return 1;
 # endif
-#else
-			if (file_printf(ms, "%sblock special", COMMA) == -1)
-				return -1;
 #endif
-		}
-		break;
-#endif
-	/* TODO add code to handle V7 MUX and Blit MUX files */
+
 #ifdef	S_IFIFO
 	case S_IFIFO:
 		if((ms->flags & MAGIC_DEVICES) != 0)
@@ -292,92 +191,14 @@
 #endif
 #ifdef	S_IFLNK
 	case S_IFLNK:
-		if ((nch = readlink(fn, buf, BUFSIZ-1)) <= 0) {
+		/* stat is used, if it made here then the link is broken */
 			if (ms->flags & MAGIC_ERROR) {
-			    file_error(ms, errno, "unreadable symlink `%s'",
-				fn);
+			    file_error(ms, errno, "unreadable symlink `%s'", fn);
 			    return -1;
 			}
-			if (mime) {
-				if (handle_mime(ms, mime, "symlink") == -1)
-					return -1;
-			} else if (silent) {
-			} else if (file_printf(ms,
-			    "%sunreadable symlink `%s' (%s)", COMMA, fn,
-			    strerror(errno)) == -1)
-				return -1;
-			break;
-		}
-		buf[nch] = '\0';	/* readlink(2) does not do this */
-
-		/* If broken symlink, say so and quit early. */
-#ifdef __linux__
-		/*
-		 * linux procfs/devfs makes symlinks like pipe:[3515864880]
-		 * that we can't stat their readlink output, so stat the
-		 * original filename instead.
-		 */
-		if (stat(fn, &tstatbuf) < 0)
-			return bad_link(ms, errno, buf);
-#else
-		if (*buf == '/') {
-			if (stat(buf, &tstatbuf) < 0)
-				return bad_link(ms, errno, buf);
-		} else {
-			char *tmp;
-			char buf2[BUFSIZ+BUFSIZ+4];
-
-			if ((tmp = strrchr(fn,  '/')) == NULL) {
-				tmp = buf; /* in current directory anyway */
-			} else {
-				if (tmp - fn + 1 > BUFSIZ) {
-					if (ms->flags & MAGIC_ERROR) {
-						file_error(ms, 0,
-						    "path too long: `%s'", buf);
-						return -1;
-					}
-					if (mime) {
-						if (handle_mime(ms, mime,
-						    "x-path-too-long") == -1)
-							return -1;
-					} else if (silent) {
-					} else if (file_printf(ms,
-					    "%spath too long: `%s'", COMMA,
-					    fn) == -1)
-						return -1;
-					break;
-				}
-				/* take dir part */
-				(void)strlcpy(buf2, fn, sizeof buf2);
-				buf2[tmp - fn + 1] = '\0';
-				/* plus (rel) link */
-				(void)strlcat(buf2, buf, sizeof buf2);
-				tmp = buf2;
-			}
-			if (stat(tmp, &tstatbuf) < 0)
-				return bad_link(ms, errno, buf);
-		}
+	return 1;
 #endif
 
-		/* Otherwise, handle it. */
-		if ((ms->flags & MAGIC_SYMLINK) != 0) {
-			const char *p;
-			ms->flags &= MAGIC_SYMLINK;
-			p = magic_file(ms, buf);
-			ms->flags |= MAGIC_SYMLINK;
-			if (p == NULL)
-				return -1;
-		} else { /* just print what it points to */
-			if (mime) {
-				if (handle_mime(ms, mime, "symlink") == -1)
-					return -1;
-			} else if (silent) {
-			} else if (file_printf(ms, "%ssymbolic link to %s",
-			    COMMA, buf) == -1)
-				return -1;
-		}
-		break;
-#endif
 #ifdef	S_IFSOCK
 #ifndef __COHERENT__
 	case S_IFSOCK:
diff -u libmagic.orig/funcs.c libmagic/funcs.c
--- libmagic.orig/funcs.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/funcs.c	2021-10-24 17:03:48.529884451 -0600
@@ -51,6 +51,13 @@
 #define SIZE_MAX	((size_t)~0)
 #endif
 
+#include "php.h"
+#include "main/php_network.h"
+
+#ifndef PREG_OFFSET_CAPTURE
+# define PREG_OFFSET_CAPTURE                 (1<<8)
+#endif
+
 protected char *
 file_copystr(char *buf, size_t blen, size_t width, const char *str)
 {
@@ -63,7 +70,7 @@
 private void
 file_clearbuf(struct magic_set *ms)
 {
-	free(ms->o.buf);
+	efree(ms->o.buf);
 	ms->o.buf = NULL;
 	ms->o.blen = 0;
 }
@@ -128,7 +135,7 @@
 protected int
 file_vprintf(struct magic_set *ms, const char *fmt, va_list ap)
 {
-	int len;
+	size_t len;
 	char *buf, *newstr;
 	char tbuf[1024];
 
@@ -141,10 +148,10 @@
 		return -1;
 	}
 
-	len = vasprintf(&buf, fmt, ap);
-	if (len < 0 || (size_t)len > 1024 || len + ms->o.blen > 1024 * 1024) {
+	len = vspprintf(&buf, 0, fmt, ap);
+	if (len > 1024 || len + ms->o.blen > 1024 * 1024) {
 		size_t blen = ms->o.blen;
-		free(buf);
+		if (buf) efree(buf);
 		file_clearbuf(ms);
 		file_error(ms, 0, "Output buffer space exceeded %d+%zu", len,
 		    blen);
@@ -152,20 +159,14 @@
 	}
 
 	if (ms->o.buf != NULL) {
-		len = asprintf(&newstr, "%s%s", ms->o.buf, buf);
-		free(buf);
-		if (len < 0)
-			goto out;
-		free(ms->o.buf);
+		len = spprintf(&newstr, 0, "%s%s", ms->o.buf, buf);
+		efree(buf);
+		efree(ms->o.buf);
 		buf = newstr;
 	}
 	ms->o.buf = buf;
 	ms->o.blen = len;
 	return 0;
-out:
-	file_clearbuf(ms);
-	file_error(ms, errno, "vasprintf failed");
-	return -1;
 }
 
 protected int
@@ -184,7 +185,6 @@
  * error - print best error message possible
  */
 /*VARARGS*/
-__attribute__((__format__(__printf__, 3, 0)))
 private void
 file_error_core(struct magic_set *ms, int error, const char *f, va_list va,
     size_t lineno)
@@ -316,8 +316,8 @@
  */
 /*ARGSUSED*/
 protected int
-file_buffer(struct magic_set *ms, int fd, struct stat *st,
-    const char *inname __attribute__ ((__unused__)),
+file_buffer(struct magic_set *ms, php_stream *stream, zend_stat_t *st,
+    const char *inname,
     const void *buf, size_t nb)
 {
 	int m = 0, rv = 0, looks_text = 0;
@@ -327,6 +327,19 @@
 	const char *ftype = NULL;
 	char *rbuf = NULL;
 	struct buffer b;
+	int fd = -1;
+
+	if (stream) {
+#ifdef _WIN64
+		php_socket_t _fd = fd;
+#else
+		int _fd;
+#endif
+		int _ret = php_stream_cast(stream, PHP_STREAM_AS_FD, (void **)&_fd, 0);
+		if (SUCCESS == _ret) {
+			fd = (int)_fd;
+		}
+	}
 
 	buffer_init(&b, fd, st, buf, nb);
 	ms->mode = b.st.st_mode;
@@ -359,7 +372,8 @@
 		}
 	}
 #endif
-#if HAVE_FORK
+
+#if PHP_FILEINFO_UNCOMPRESS
 	/* try compression stuff */
 	if ((ms->flags & MAGIC_NO_CHECK_COMPRESS) == 0) {
 		m = file_zmagic(ms, &b, inname);
@@ -484,10 +498,10 @@
 		if (file_printf(ms, "%s", code_mime) == -1)
 			rv = -1;
 	}
-#if HAVE_FORK
+#if PHP_FILEINFO_UNCOMPRESS
  done_encoding:
 #endif
-	free(rbuf);
+	efree(rbuf);
 	buffer_fini(&b);
 	if (rv)
 		return rv;
@@ -505,7 +519,7 @@
 	}
 	file_clearbuf(ms);
 	if (ms->o.pbuf) {
-		free(ms->o.pbuf);
+		efree(ms->o.pbuf);
 		ms->o.pbuf = NULL;
 	}
 	ms->event_flags &= ~EVENT_HAD_ERR;
@@ -543,7 +557,7 @@
 		return NULL;
 	}
 	psize = len * 4 + 1;
-	if ((pbuf = CAST(char *, realloc(ms->o.pbuf, psize))) == NULL) {
+	if ((pbuf = CAST(char *, erealloc(ms->o.pbuf, psize))) == NULL) {
 		file_oomem(ms, psize);
 		return NULL;
 	}
@@ -607,8 +621,8 @@
 	if (level >= ms->c.len) {
 		len = (ms->c.len = 20 + level) * sizeof(*ms->c.li);
 		ms->c.li = CAST(struct level_info *, (ms->c.li == NULL) ?
-		    malloc(len) :
-		    realloc(ms->c.li, len));
+		    emalloc(len) :
+		    erealloc(ms->c.li, len));
 		if (ms->c.li == NULL) {
 			file_oomem(ms, len);
 			return -1;
@@ -631,82 +645,38 @@
 protected int
 file_replace(struct magic_set *ms, const char *pat, const char *rep)
 {
-	file_regex_t rx;
-	int rc, rv = -1;
-
-	rc = file_regcomp(&rx, pat, REG_EXTENDED);
-	if (rc) {
-		file_regerror(&rx, rc, ms);
-	} else {
-		regmatch_t rm;
-		int nm = 0;
-		while (file_regexec(&rx, ms->o.buf, 1, &rm, 0) == 0) {
-			ms->o.buf[rm.rm_so] = '\0';
-			if (file_printf(ms, "%s%s", rep,
-			    rm.rm_eo != 0 ? ms->o.buf + rm.rm_eo : "") == -1)
-				goto out;
-			nm++;
-		}
-		rv = nm;
+	zend_string *pattern;
+	uint32_t opts = 0;
+	pcre_cache_entry *pce;
+	zend_string *res;
+	zend_string *repl;
+	size_t rep_cnt = 0;
+
+	opts |= PCRE2_MULTILINE;
+	pattern = convert_libmagic_pattern((char*)pat, strlen(pat), opts);
+	if ((pce = pcre_get_compiled_regex_cache_ex(pattern, 0)) == NULL) {
+		zend_string_release(pattern);
+		rep_cnt = -1;
+		goto out;
+	}
+	zend_string_release(pattern);
+
+	repl = zend_string_init(rep, strlen(rep), 0);
+	res = php_pcre_replace_impl(pce, NULL, ms->o.buf, strlen(ms->o.buf), repl, -1, &rep_cnt);
+
+	zend_string_release_ex(repl, 0);
+	if (NULL == res) {
+		rep_cnt = -1;
+		goto out;
 	}
-out:
-	file_regfree(&rx);
-	return rv;
-}
 
-protected int
-file_regcomp(file_regex_t *rx, const char *pat, int flags)
-{
-#ifdef USE_C_LOCALE
-	rx->c_lc_ctype = newlocale(LC_CTYPE_MASK, "C", 0);
-	assert(rx->c_lc_ctype != NULL);
-	rx->old_lc_ctype = uselocale(rx->c_lc_ctype);
-	assert(rx->old_lc_ctype != NULL);
-#else
-	rx->old_lc_ctype = setlocale(LC_CTYPE, NULL);
-	assert(rx->old_lc_ctype != NULL);
-	rx->old_lc_ctype = strdup(rx->old_lc_ctype);
-	assert(rx->old_lc_ctype != NULL);
-	(void)setlocale(LC_CTYPE, "C");
-#endif
-	rx->pat = pat;
-
-	return rx->rc = regcomp(&rx->rx, pat, flags);
-}
-
-protected int
-file_regexec(file_regex_t *rx, const char *str, size_t nmatch,
-    regmatch_t* pmatch, int eflags)
-{
-	assert(rx->rc == 0);
-	/* XXX: force initialization because glibc does not always do this */
-	if (nmatch != 0)
-		memset(pmatch, 0, nmatch * sizeof(*pmatch));
-	return regexec(&rx->rx, str, nmatch, pmatch, eflags);
-}
-
-protected void
-file_regfree(file_regex_t *rx)
-{
-	if (rx->rc == 0)
-		regfree(&rx->rx);
-#ifdef USE_C_LOCALE
-	(void)uselocale(rx->old_lc_ctype);
-	freelocale(rx->c_lc_ctype);
-#else
-	(void)setlocale(LC_CTYPE, rx->old_lc_ctype);
-	free(rx->old_lc_ctype);
-#endif
-}
+	strncpy(ms->o.buf, ZSTR_VAL(res), ZSTR_LEN(res));
+	ms->o.buf[ZSTR_LEN(res)] = '\0';
 
-protected void
-file_regerror(file_regex_t *rx, int rc, struct magic_set *ms)
-{
-	char errmsg[512];
+	zend_string_release_ex(res, 0);
 
-	(void)regerror(rc, &rx->rx, errmsg, sizeof(errmsg));
-	file_magerror(ms, "regex error %d for `%s', (%s)", rc, rx->pat,
-	    errmsg);
+out:
+	return rep_cnt;
 }
 
 protected file_pushbuf_t *
@@ -717,7 +687,7 @@
 	if (ms->event_flags & EVENT_HAD_ERR)
 		return NULL;
 
-	if ((pb = (CAST(file_pushbuf_t *, malloc(sizeof(*pb))))) == NULL)
+	if ((pb = (CAST(file_pushbuf_t *, emalloc(sizeof(*pb))))) == NULL)
 		return NULL;
 
 	pb->buf = ms->o.buf;
@@ -737,8 +707,8 @@
 	char *rbuf;
 
 	if (ms->event_flags & EVENT_HAD_ERR) {
-		free(pb->buf);
-		free(pb);
+		efree(pb->buf);
+		efree(pb);
 		return NULL;
 	}
 
@@ -748,7 +718,7 @@
 	ms->o.blen = pb->blen;
 	ms->offset = pb->offset;
 
-	free(pb);
+	efree(pb);
 	return rbuf;
 }
 
@@ -809,6 +779,7 @@
 	    g->data4[6], g->data4[7]);
 }
 
+#if 0
 protected int
 file_pipe_closexec(int *fds)
 {
@@ -827,6 +798,7 @@
 file_clear_closexec(int fd) {
 	return fcntl(fd, F_SETFD, 0);
 }
+#endif
 
 protected char *
 file_strtrim(char *str)
diff -u libmagic.orig/magic.c libmagic/magic.c
--- libmagic.orig/magic.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/magic.c	2022-06-06 00:36:46.758464267 -0600
@@ -25,11 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#ifdef WIN32
-#include <windows.h>
-#include <shlwapi.h>
-#endif
-
 #include "file.h"
 
 #ifndef	lint
@@ -39,10 +34,16 @@
 #include "magic.h"
 
 #include <stdlib.h>
+#ifdef PHP_WIN32
+#include "win32/unistd.h"
+#else
 #include <unistd.h>
+#endif
 #include <string.h>
-#ifdef QUICK
-#include <sys/mman.h>
+#include "config.h"
+
+#ifdef PHP_WIN32
+#include <shlwapi.h>
 #endif
 #include <limits.h>	/* for PIPE_BUF */
 
@@ -69,194 +70,18 @@
 #endif
 #endif
 
-private void close_and_restore(const struct magic_set *, const char *, int,
-    const struct stat *);
-private int unreadable_info(struct magic_set *, mode_t, const char *);
-private const char* get_default_magic(void);
-#ifndef COMPILE_ONLY
-private const char *file_or_fd(struct magic_set *, const char *, int);
+#ifdef PHP_WIN32
+# undef S_IFLNK
+# undef S_IFIFO
 #endif
 
+private int unreadable_info(struct magic_set *, mode_t, const char *);
+private const char *file_or_stream(struct magic_set *, const char *, php_stream *);
+
 #ifndef	STDIN_FILENO
 #define	STDIN_FILENO	0
 #endif
 
-#ifdef WIN32
-/* HINSTANCE of this shared library. Needed for get_default_magic() */
-static HINSTANCE _w32_dll_instance = NULL;
-
-static void
-_w32_append_path(char **hmagicpath, const char *fmt, ...)
-{
-	char *tmppath;
-        char *newpath;
-	va_list ap;
-
-	va_start(ap, fmt);
-	if (vasprintf(&tmppath, fmt, ap) < 0) {
-		va_end(ap);
-		return;
-	}
-	va_end(ap);
-
-	if (access(tmppath, R_OK) == -1)
-		goto out;
-
-	if (*hmagicpath == NULL) {
-		*hmagicpath = tmppath;
-		return;
-	}
-
-	if (asprintf(&newpath, "%s%c%s", *hmagicpath, PATHSEP, tmppath) < 0)
-		goto out;
-
-	free(*hmagicpath);
-	free(tmppath);
-	*hmagicpath = newpath;
-	return;
-out:
-	free(tmppath);
-}
-
-static void
-_w32_get_magic_relative_to(char **hmagicpath, HINSTANCE module)
-{
-	static const char *trypaths[] = {
-		"%s/share/misc/magic.mgc",
-		"%s/magic.mgc",
-	};
-	LPSTR dllpath;
-	size_t sp;
-
-	dllpath = calloc(MAX_PATH + 1, sizeof(*dllpath));
-
-	if (!GetModuleFileNameA(module, dllpath, MAX_PATH))
-		goto out;
-
-	PathRemoveFileSpecA(dllpath);
-
-	if (module) {
-		char exepath[MAX_PATH];
-		GetModuleFileNameA(NULL, exepath, MAX_PATH);
-		PathRemoveFileSpecA(exepath);
-		if (stricmp(exepath, dllpath) == 0)
-			goto out;
-	}
-
-	sp = strlen(dllpath);
-	if (sp > 3 && stricmp(&dllpath[sp - 3], "bin") == 0) {
-		_w32_append_path(hmagicpath,
-		    "%s/../share/misc/magic.mgc", dllpath);
-		goto out;
-	}
-
-	for (sp = 0; sp < __arraycount(trypaths); sp++)
-		_w32_append_path(hmagicpath, trypaths[sp], dllpath);
-out:
-	free(dllpath);
-}
-
-/* Placate GCC by offering a sacrificial previous prototype */
-BOOL WINAPI DllMain(HINSTANCE, DWORD, LPVOID);
-
-BOOL WINAPI
-DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
-    LPVOID lpvReserved __attribute__((__unused__)))
-{
-	if (fdwReason == DLL_PROCESS_ATTACH)
-		_w32_dll_instance = hinstDLL;
-	return 1;
-}
-#endif
-
-private const char *
-get_default_magic(void)
-{
-	static const char hmagic[] = "/.magic/magic.mgc";
-	static char *default_magic;
-	char *home, *hmagicpath;
-
-#ifndef WIN32
-	struct stat st;
-
-	if (default_magic) {
-		free(default_magic);
-		default_magic = NULL;
-	}
-	if ((home = getenv("HOME")) == NULL)
-		return MAGIC;
-
-	if (asprintf(&hmagicpath, "%s/.magic.mgc", home) < 0)
-		return MAGIC;
-	if (stat(hmagicpath, &st) == -1) {
-		free(hmagicpath);
-		if (asprintf(&hmagicpath, "%s/.magic", home) < 0)
-			return MAGIC;
-		if (stat(hmagicpath, &st) == -1)
-			goto out;
-		if (S_ISDIR(st.st_mode)) {
-			free(hmagicpath);
-			if (asprintf(&hmagicpath, "%s/%s", home, hmagic) < 0)
-				return MAGIC;
-			if (access(hmagicpath, R_OK) == -1)
-				goto out;
-		}
-	}
-
-	if (asprintf(&default_magic, "%s:%s", hmagicpath, MAGIC) < 0)
-		goto out;
-	free(hmagicpath);
-	return default_magic;
-out:
-	default_magic = NULL;
-	free(hmagicpath);
-	return MAGIC;
-#else
-	hmagicpath = NULL;
-
-	if (default_magic) {
-		free(default_magic);
-		default_magic = NULL;
-	}
-
-	/* First, try to get a magic file from user-application data */
-	if ((home = getenv("LOCALAPPDATA")) != NULL)
-		_w32_append_path(&hmagicpath, "%s%s", home, hmagic);
-
-	/* Second, try to get a magic file from the user profile data */
-	if ((home = getenv("USERPROFILE")) != NULL)
-		_w32_append_path(&hmagicpath,
-		    "%s/Local Settings/Application Data%s", home, hmagic);
-
-	/* Third, try to get a magic file from Common Files */
-	if ((home = getenv("COMMONPROGRAMFILES")) != NULL)
-		_w32_append_path(&hmagicpath, "%s%s", home, hmagic);
-
-	/* Fourth, try to get magic file relative to exe location */
-        _w32_get_magic_relative_to(&hmagicpath, NULL);
-
-	/* Fifth, try to get magic file relative to dll location */
-        _w32_get_magic_relative_to(&hmagicpath, _w32_dll_instance);
-
-	/* Avoid MAGIC constant - it likely points to a file within MSys tree */
-	default_magic = hmagicpath;
-	return default_magic;
-#endif
-}
-
-public const char *
-magic_getpath(const char *magicfile, int action)
-{
-	if (magicfile != NULL)
-		return magicfile;
-
-	magicfile = getenv("MAGIC");
-	if (magicfile != NULL)
-		return magicfile;
-
-	return action == FILE_LOAD ? get_default_magic() : MAGIC;
-}
-
 public struct magic_set *
 magic_open(int flags)
 {
@@ -302,21 +127,6 @@
 	return file_apprentice(ms, magicfile, FILE_LOAD);
 }
 
-#ifndef COMPILE_ONLY
-/*
- * Install a set of compiled magic buffers.
- */
-public int
-magic_load_buffers(struct magic_set *ms, void **bufs, size_t *sizes,
-    size_t nbufs)
-{
-	if (ms == NULL)
-		return -1;
-	return buffer_apprentice(ms, RCAST(struct magic **, bufs),
-	    sizes, nbufs);
-}
-#endif
-
 public int
 magic_compile(struct magic_set *ms, const char *magicfile)
 {
@@ -341,39 +151,6 @@
 	return file_apprentice(ms, magicfile, FILE_LIST);
 }
 
-private void
-close_and_restore(const struct magic_set *ms, const char *name, int fd,
-    const struct stat *sb)
-{
-	if (fd == STDIN_FILENO || name == NULL)
-		return;
-	(void) close(fd);
-
-	if ((ms->flags & MAGIC_PRESERVE_ATIME) != 0) {
-		/*
-		 * Try to restore access, modification times if read it.
-		 * This is really *bad* because it will modify the status
-		 * time of the file... And of course this will affect
-		 * backup programs
-		 */
-#ifdef HAVE_UTIMES
-		struct timeval  utsbuf[2];
-		(void)memset(utsbuf, 0, sizeof(utsbuf));
-		utsbuf[0].tv_sec = sb->st_atime;
-		utsbuf[1].tv_sec = sb->st_mtime;
-
-		(void) utimes(name, utsbuf); /* don't care if loses */
-#elif defined(HAVE_UTIME_H) || defined(HAVE_SYS_UTIME_H)
-		struct utimbuf  utbuf;
-
-		(void)memset(&utbuf, 0, sizeof(utbuf));
-		utbuf.actime = sb->st_atime;
-		utbuf.modtime = sb->st_mtime;
-		(void) utime(name, &utbuf); /* don't care if loses */
-#endif
-	}
-}
-
 #ifndef COMPILE_ONLY
 
 /*
@@ -384,7 +161,7 @@
 {
 	if (ms == NULL)
 		return NULL;
-	return file_or_fd(ms, NULL, fd);
+	return file_or_stream(ms, NULL, NULL);
 }
 
 /*
@@ -395,19 +172,25 @@
 {
 	if (ms == NULL)
 		return NULL;
-	return file_or_fd(ms, inname, STDIN_FILENO);
+	return file_or_stream(ms, inname, NULL);
+}
+
+public const char *
+magic_stream(struct magic_set *ms, php_stream *stream)
+{
+	if (ms == NULL)
+		return NULL;
+	return file_or_stream(ms, NULL, stream);
 }
 
 private const char *
-file_or_fd(struct magic_set *ms, const char *inname, int fd)
+file_or_stream(struct magic_set *ms, const char *inname, php_stream *stream)
 {
 	int	rv = -1;
 	unsigned char *buf;
-	struct stat	sb;
+	zend_stat_t   sb = {0};
 	ssize_t nbytes = 0;	/* number of bytes read from a datafile */
-	int	ispipe = 0;
-	int	okstat = 0;
-	off_t	pos = CAST(off_t, -1);
+	int no_in_stream = 0;
 
 	if (file_reset(ms, 1) == -1)
 		goto out;
@@ -417,7 +200,7 @@
 	 * some overlapping space for matches near EOF
 	 */
 #define SLOP (1 + sizeof(union VALUETYPE))
-	if ((buf = CAST(unsigned char *, malloc(ms->bytes_max + SLOP))) == NULL)
+	if ((buf = CAST(unsigned char *, emalloc(ms->bytes_max + SLOP))) == NULL)
 		return NULL;
 
 	switch (file_fsmagic(ms, inname, &sb)) {
@@ -430,98 +213,46 @@
 		goto done;
 	}
 
-#ifdef WIN32
-	/* Place stdin in binary mode, so EOF (Ctrl+Z) doesn't stop early. */
-	if (fd == STDIN_FILENO)
-		_setmode(STDIN_FILENO, O_BINARY);
-#endif
-	if (inname != NULL) {
-		int flags = O_RDONLY|O_BINARY|O_NONBLOCK|O_CLOEXEC;
-		errno = 0;
-		if ((fd = open(inname, flags)) < 0) {
-			okstat = stat(inname, &sb) == 0;
-			if (okstat && S_ISFIFO(sb.st_mode))
-				ispipe = 1;
-#ifdef WIN32
-			/*
-			 * Can't stat, can't open.  It may have been opened in
-			 * fsmagic, so if the user doesn't have read permission,
-			 * allow it to say so; otherwise an error was probably
-			 * displayed in fsmagic.
-			 */
-			if (!okstat && errno == EACCES) {
-				sb.st_mode = S_IFBLK;
-				okstat = 1;
-			}
-#endif
-			if (okstat &&
-			    unreadable_info(ms, sb.st_mode, inname) == -1)
+	errno = 0;
+
+	if (inname && !stream) {
+		no_in_stream = 1;
+		stream = php_stream_open_wrapper((char *)inname, "rb", REPORT_ERRORS, NULL);
+		if (!stream) {
+			if (unreadable_info(ms, sb.st_mode, inname) == -1)
 				goto done;
-			rv = 0;
+			rv = -1;
 			goto done;
 		}
-#if O_CLOEXEC == 0
-		(void)fcntl(fd, F_SETFD, FD_CLOEXEC);
-#endif
 	}
 
-	if (fd != -1) {
-		okstat = fstat(fd, &sb) == 0;
-		if (okstat && S_ISFIFO(sb.st_mode))
-			ispipe = 1;
-		if (inname == NULL)
-			pos = lseek(fd, CAST(off_t, 0), SEEK_CUR);
+	php_stream_statbuf ssb;
+	if (php_stream_stat(stream, &ssb) < 0) {
+		if (ms->flags & MAGIC_ERROR) {
+			file_error(ms, errno, "cannot stat `%s'", inname);
+			rv = -1;
+			goto done;
+		}
 	}
+	memcpy(&sb, &ssb.sb, sizeof(zend_stat_t));
 
 	/*
 	 * try looking at the first ms->bytes_max bytes
 	 */
-	if (ispipe) {
-		if (fd != -1) {
-			ssize_t r = 0;
-
-			while ((r = sread(fd, RCAST(void *, &buf[nbytes]),
-			    CAST(size_t, ms->bytes_max - nbytes), 1)) > 0) {
-				nbytes += r;
-				if (r < PIPE_BUF) break;
-			}
-		}
-
-		if (nbytes == 0 && inname) {
-			/* We can not read it, but we were able to stat it. */
-			if (unreadable_info(ms, sb.st_mode, inname) == -1)
-				goto done;
-			rv = 0;
-			goto done;
-		}
-
-	} else if (fd != -1) {
-		/* Windows refuses to read from a big console buffer. */
-		size_t howmany =
-#if defined(WIN32)
-		    _isatty(fd) ? 8 * 1024 :
-#endif
-		    ms->bytes_max;
-		if ((nbytes = read(fd, RCAST(void *, buf), howmany)) == -1) {
-			if (inname == NULL && fd != STDIN_FILENO)
-				file_error(ms, errno, "cannot read fd %d", fd);
-			else
-				file_error(ms, errno, "cannot read `%s'",
-				    inname == NULL ? "/dev/stdin" : inname);
-			goto done;
-		}
+	if ((nbytes = php_stream_read(stream, (char *)buf, ms->bytes_max - nbytes)) < 0) {
+		file_error(ms, errno, "cannot read `%s'", inname);
+		goto done;
 	}
 
 	(void)memset(buf + nbytes, 0, SLOP); /* NUL terminate */
-	if (file_buffer(ms, fd, okstat ? &sb : NULL, inname, buf, CAST(size_t, nbytes)) == -1)
+	if (file_buffer(ms, stream, &sb, inname, buf, CAST(size_t, nbytes)) == -1)
 		goto done;
 	rv = 0;
 done:
-	free(buf);
-	if (fd != -1) {
-		if (pos != CAST(off_t, -1))
-			(void)lseek(fd, pos, SEEK_SET);
-		close_and_restore(ms, inname, fd, &sb);
+	efree(buf);
+
+	if (no_in_stream && stream) {
+		php_stream_close(stream);
 	}
 out:
 	return rv == 0 ? file_getbuffer(ms) : NULL;
@@ -539,7 +270,7 @@
 	 * The main work is done here!
 	 * We have the file name and/or the data buffer to be identified.
 	 */
-	if (file_buffer(ms, -1, NULL, NULL, buf, nb) == -1) {
+	if (file_buffer(ms, NULL, NULL, NULL, buf, nb) == -1) {
 		return NULL;
 	}
 	return file_getbuffer(ms);
diff -u libmagic.orig/magic.h libmagic/magic.h
--- libmagic.orig/magic.h	2022-07-05 00:56:31.213294537 -0600
+++ libmagic/magic.h	2021-10-24 17:03:48.529884451 -0600
@@ -126,6 +126,7 @@
 
 const char *magic_getpath(const char *, int);
 const char *magic_file(magic_t, const char *);
+const char *magic_stream(magic_t, php_stream *);
 const char *magic_descriptor(magic_t, int);
 const char *magic_buffer(magic_t, const void *, size_t);
 
diff -u libmagic.orig/print.c libmagic/print.c
--- libmagic.orig/print.c	2021-02-22 17:49:07.000000000 -0700
+++ libmagic/print.c	2021-10-24 17:03:45.681791493 -0600
@@ -28,6 +28,7 @@
 /*
  * print.c - debugging printout routines
  */
+#include "php.h"
 
 #include "file.h"
 
@@ -73,7 +74,7 @@
 	if (m->mask_op & FILE_OPINVERSE)
 		(void) fputc('~', stderr);
 
-	if (IS_STRING(m->type)) {
+	if (IS_LIBMAGIC_STRING(m->type)) {
 		if (m->str_flags) {
 			(void) fputc('/', stderr);
 			if (m->str_flags & STRING_COMPACT_WHITESPACE)
@@ -225,18 +226,18 @@
 file_magwarn(struct magic_set *ms, const char *f, ...)
 {
 	va_list va;
+	char *expanded_format = NULL;
+	int expanded_len;
 
-	/* cuz we use stdout for most, stderr here */
-	(void) fflush(stdout);
-
-	if (ms->file)
-		(void) fprintf(stderr, "%s, %lu: ", ms->file,
-		    CAST(unsigned long, ms->line));
-	(void) fprintf(stderr, "Warning: ");
 	va_start(va, f);
-	(void) vfprintf(stderr, f, va);
+	expanded_len = vasprintf(&expanded_format, f, va);
 	va_end(va);
-	(void) fputc('\n', stderr);
+
+	if (expanded_len >= 0 && expanded_format) {
+		php_error_docref(NULL, E_WARNING, "%s", expanded_format);
+
+		free(expanded_format);
+	}
 }
 
 protected const char *
@@ -257,13 +258,13 @@
 	}
 
 	if (flags & FILE_T_LOCAL) {
-		tm = localtime_r(&t, &tmz);
+		tm = php_localtime_r(&t, &tmz);
 	} else {
-		tm = gmtime_r(&t, &tmz);
+		tm = php_gmtime_r(&t, &tmz);
 	}
 	if (tm == NULL)
 		goto out;
-	pp = asctime_r(tm, buf);
+	pp = php_asctime_r(tm, buf);
 
 	if (pp == NULL)
 		goto out;
diff -u libmagic.orig/readcdf.c libmagic/readcdf.c
--- libmagic.orig/readcdf.c	2021-02-22 17:49:08.000000000 -0700
+++ libmagic/readcdf.c	2021-10-24 17:03:45.681791493 -0600
@@ -31,7 +31,11 @@
 
 #include <assert.h>
 #include <stdlib.h>
+#ifdef PHP_WIN32
+#include "win32/unistd.h"
+#else
 #include <unistd.h>
+#endif
 #include <string.h>
 #include <time.h>
 #include <ctype.h>
@@ -100,10 +104,6 @@
 		if (clsid[0] == cv[i].clsid[0] && clsid[1] == cv[i].clsid[1])
 			return cv[i].mime;
 	}
-#ifdef CDF_DEBUG
-	fprintf(stderr, "unknown mime %" PRIx64 ", %" PRIx64 "\n", clsid[0],
-	    clsid[1]);
-#endif
 	return NULL;
 }
 
@@ -112,35 +112,24 @@
 {
 	size_t i;
 	const char *rv = NULL;
-#ifdef USE_C_LOCALE
-	locale_t old_lc_ctype, c_lc_ctype;
+	char *vbuf_lower;
 
-	c_lc_ctype = newlocale(LC_CTYPE_MASK, "C", 0);
-	assert(c_lc_ctype != NULL);
-	old_lc_ctype = uselocale(c_lc_ctype);
-	assert(old_lc_ctype != NULL);
-#else
-	char *old_lc_ctype = setlocale(LC_CTYPE, NULL);
-	assert(old_lc_ctype != NULL);
-	old_lc_ctype = strdup(old_lc_ctype);
-	assert(old_lc_ctype != NULL);
-	(void)setlocale(LC_CTYPE, "C");
-#endif
-	for (i = 0; nv[i].pattern != NULL; i++)
-		if (strcasestr(vbuf, nv[i].pattern) != NULL) {
+	vbuf_lower = zend_str_tolower_dup(vbuf, strlen(vbuf));
+	for (i = 0; nv[i].pattern != NULL; i++) {
+		char *pattern_lower;
+		int found;
+
+		pattern_lower = zend_str_tolower_dup(nv[i].pattern, strlen(nv[i].pattern));
+		found = (strstr(vbuf_lower, pattern_lower) != NULL);
+		efree(pattern_lower);
+
+		if (found) {
 			rv = nv[i].mime;
 			break;
 		}
-#ifdef CDF_DEBUG
-	fprintf(stderr, "unknown app %s\n", vbuf);
-#endif
-#ifdef USE_C_LOCALE
-	(void)uselocale(old_lc_ctype);
-	freelocale(c_lc_ctype);
-#else
-	(void)setlocale(LC_CTYPE, old_lc_ctype);
-	free(old_lc_ctype);
-#endif
+	}
+
+	efree(vbuf_lower);
 	return rv;
 }
 
@@ -156,7 +145,9 @@
 	const char *s, *e;
 	int len;
 
-	if (!NOTMIME(ms) && root_storage)
+	memset(&ts, 0, sizeof(ts));
+
+        if (!NOTMIME(ms) && root_storage)
 		str = cdf_clsid_to_mime(root_storage->d_storage_uuid,
 		    clsid2mime);
 
@@ -282,10 +273,10 @@
 			if (file_printf(ms, "%s%s",
 			    cdf_u16tos8(buf, ce[i].ce_namlen, ce[i].ce_name),
 			    i == cat->cat_num - 1 ? "]" : ", ") == -1) {
-				free(cat);
+				efree(cat);
 				return -1;
 			}
-		free(cat);
+		efree(cat);
 	} else if (ms->flags & MAGIC_MIME_TYPE) {
 		if (file_printf(ms, "application/CDFV2") == -1)
 			return -1;
@@ -346,7 +337,7 @@
 	}
 
 	m = cdf_file_property_info(ms, info, count, root_storage);
-	free(info);
+	efree(info);
 
 	return m == -1 ? -2 : m;
 }
@@ -656,11 +647,11 @@
 	cdf_zero_stream(&scn);
 	cdf_zero_stream(&sst);
 out3:
-	free(dir.dir_tab);
+	efree(dir.dir_tab);
 out2:
-	free(ssat.sat_tab);
+	efree(ssat.sat_tab);
 out1:
-	free(sat.sat_tab);
+	efree(sat.sat_tab);
 out0:
 	/* If we handled it already, return */
 	if (i != -1)
diff -u libmagic.orig/softmagic.c libmagic/softmagic.c
--- libmagic.orig/softmagic.c	2021-02-22 17:49:06.000000000 -0700
+++ libmagic/softmagic.c	2022-07-05 00:49:26.658974406 -0600
@@ -43,6 +43,10 @@
 #include <time.h>
 #include "der.h"
 
+#ifndef PREG_OFFSET_CAPTURE
+# define PREG_OFFSET_CAPTURE                 (1<<8)
+#endif
+
 private int match(struct magic_set *, struct magic *, uint32_t,
     const struct buffer *, size_t, int, int, int, uint16_t *,
     uint16_t *, int *, int *, int *, int *);
@@ -139,8 +143,8 @@
 	return 0;
 }
 
-#define FILE_FMTDEBUG
-#ifdef FILE_FMTDEBUG
+
+#if defined(FILE_FMTDEBUG) && defined(HAVE_FMTCHECK)
 #define F(a, b, c) file_fmtcheck((a), (b), (c), __FILE__, __LINE__)
 
 private const char * __attribute__((__format_arg__(3)))
@@ -159,10 +163,14 @@
 		    " with `%s'", file, line, desc, def);
 	return ptr;
 }
-#else
+#elif defined(HAVE_FMTCHECK)
 #define F(a, b, c) fmtcheck((b), (c))
+#else
+#define F(a, b, c) ((b))
 #endif
 
+/* NOTE this function has been kept an the state of 5.39 for BC. Observe
+ * further as the upgrade to 5.41 or above goes. */
 /*
  * Go through the whole list, stopping if you find a match.  Process all
  * the continuations of that match before returning.
@@ -222,7 +230,7 @@
 		struct magic *m = &magic[magindex];
 
 		if (m->type != FILE_NAME)
-		if ((IS_STRING(m->type) &&
+		if ((IS_LIBMAGIC_STRING(m->type) &&
 #define FLT (STRING_BINTEST | STRING_TEXTTEST)
 		     ((text && (m->str_flags & FLT) == STRING_BINTEST) ||
 		      (!text && (m->str_flags & FLT) == STRING_TEXTTEST))) ||
@@ -277,9 +285,11 @@
 			goto flush;
 		}
 
+		if (*m->desc)
+			*found_match = 1;
+
 		if ((e = handle_annotation(ms, m, firstline)) != 0)
 		{
-			*found_match = 1;
 			*need_separator = 1;
 			*printed_something = 1;
 			*returnval = 1;
@@ -290,17 +300,14 @@
 		 * If we are going to print something, we'll need to print
 		 * a blank before we print something else.
 		 */
-		if (*m->desc) {
-			*found_match = 1;
+		if (print && *m->desc) {
+			*need_separator = 1;
+			*printed_something = 1;
 			*returnval = 1;
-			if (print) {
-				*need_separator = 1;
-				*printed_something = 1;
-				if (print_sep(ms, firstline) == -1)
-					return -1;
-				if (mprint(ms, m) == -1)
-					return -1;
-			}
+			if (print_sep(ms, firstline) == -1)
+				return -1;
+			if (mprint(ms, m) == -1)
+				return -1;
 		}
 
 		switch (moffset(ms, m, &bb, &ms->c.li[cont_level].off)) {
@@ -391,18 +398,16 @@
 				} else
 					ms->c.li[cont_level].got_match = 1;
 
+				if (*m->desc)
+					*found_match = 1;
+
 				if ((e = handle_annotation(ms, m, firstline))
 				    != 0) {
-					*found_match = 1;
 					*need_separator = 1;
 					*printed_something = 1;
 					*returnval = 1;
 					return e;
 				}
-				if (*m->desc) {
-					*found_match = 1;
-					*returnval = 1;
-				}
 				if (print && *m->desc) {
 					/*
 					 * This continuation matched.  Print
@@ -427,6 +432,7 @@
 						if (file_printf(ms, " ") == -1)
 							return -1;
 					}
+					*returnval = 1;
 					*need_separator = 0;
 					if (mprint(ms, m) == -1)
 						return -1;
@@ -458,43 +464,39 @@
 			firstline = 0;
 		}
 		if (*found_match) {
-			if ((ms->flags & MAGIC_CONTINUE) == 0)
-				goto out;
-			// So that we print a separator
-			*printed_something = 0;
-			firstline = 0;
+		    if ((ms->flags & MAGIC_CONTINUE) == 0)
+			return *returnval; /* don't keep searching */
+		    // So that we print a separator
+		    *printed_something = 0;
+		    firstline = 0;
 		}
 		cont_level = 0;
 	}
-out:
-	/*
-	 * If we are not printing (we are doing mime etc.)
-	 * and we did not find a mime entry, and we are at 0 level
-	 * we want to return 0 so that the default mime printer
-	 * takes over and prints "application/octet-stream"
-	 */
-	if (! print && ! *printed_something && ! *name_count)
-		return 0;
 	return *returnval;  /* This is hit if -k is set or there is no match */
 }
 
 private int
 check_fmt(struct magic_set *ms, const char *fmt)
 {
-	file_regex_t rx;
-	int rc, rv = -1;
+	pcre_cache_entry *pce;
+	int rv = -1;
+	zend_string *pattern;
 
 	if (strchr(fmt, '%') == NULL)
 		return 0;
 
-	rc = file_regcomp(&rx, "%[-0-9\\.]*s", REG_EXTENDED|REG_NOSUB);
-	if (rc) {
-		file_regerror(&rx, rc, ms);
+	pattern = zend_string_init("~%[-0-9\\.]*s~", sizeof("~%[-0-9\\.]*s~") - 1, 0);
+	if ((pce = pcre_get_compiled_regex_cache_ex(pattern, 0)) == NULL) {
+		rv = -1;
 	} else {
-		rc = file_regexec(&rx, fmt, 0, 0, 0);
-		rv = !rc;
+		pcre2_code *re = php_pcre_pce_re(pce);
+		pcre2_match_data *match_data = php_pcre_create_match_data(0, re);
+		if (match_data) {
+			rv = pcre2_match(re, (PCRE2_SPTR)fmt, strlen(fmt), 0, 0, match_data, php_pcre_mctx()) > 0;
+			php_pcre_free_match_data(match_data);
+		}
 	}
-	file_regfree(&rx);
+	zend_string_release(pattern);
 	return rv;
 }
 
@@ -1531,11 +1533,7 @@
 	size_t len;
 	*c = ms->c;
 	len = c->len * sizeof(*c->li);
-	ms->c.li = CAST(struct level_info *, malloc(len));
-	if (ms->c.li == NULL) {
-		ms->c = *c;
-		return -1;
-	}
+	ms->c.li = CAST(struct level_info *, emalloc(len));
 	memcpy(ms->c.li, c->li, len);
 	return 0;
 }
@@ -1543,7 +1541,7 @@
 private void
 restore_cont(struct magic_set *ms, struct cont *c)
 {
-	free(ms->c.li);
+	efree(ms->c.li);
 	ms->c = *c;
 }
 
@@ -1845,15 +1843,15 @@
 			if ((ms->flags & MAGIC_NODESC) == 0 &&
 			    file_printf(ms, F(ms, m->desc, "%u"), offset) == -1)
 			{
-				free(rbuf);
+				if (rbuf) efree(rbuf);
 				return -1;
 			}
 			if (file_printf(ms, "%s", rbuf) == -1) {
-				free(rbuf);
+				if (rbuf) efree(rbuf);
 				return -1;
 			}
 		}
-		free(rbuf);
+		if (rbuf) efree(rbuf);
 		return rv;
 
 	case FILE_USE:
@@ -1958,10 +1956,13 @@
 			}
 			else if ((flags & STRING_COMPACT_WHITESPACE) &&
 			    isspace(*a)) {
+				/* XXX Dirty. The data and the pattern is what is causing this.
+				       Revert _i for the next port and see if it still matters. */
+				uint32_t _i = 0;
 				a++;
 				if (isspace(*b++)) {
 					if (!isspace(*a))
-						while (b < eb && isspace(*b))
+						while (EXPECTED(_i++ < 2048) && b < eb && isspace(*b))
 							b++;
 				}
 				else {
@@ -1997,6 +1998,60 @@
 	return file_strncmp(a, b, len, maxlen, flags);
 }
 
+public zend_string* convert_libmagic_pattern(const char *val, size_t len, uint32_t options)
+{
+	int i, j;
+	zend_string *t;
+
+	for (i = j = 0; i < len; i++) {
+		switch (val[i]) {
+			case '~':
+				j += 2;
+				break;
+			case '\0':
+				j += 4;
+				break;
+			default:
+				j++;
+				break;
+		}
+	}
+	t = zend_string_alloc(j + 4, 0);
+
+	j = 0;
+	ZSTR_VAL(t)[j++] = '~';
+
+	for (i = 0; i < len; i++, j++) {
+		switch (val[i]) {
+			case '~':
+				ZSTR_VAL(t)[j++] = '\\';
+				ZSTR_VAL(t)[j] = '~';
+				break;
+			case '\0':
+				ZSTR_VAL(t)[j++] = '\\';
+				ZSTR_VAL(t)[j++] = 'x';
+				ZSTR_VAL(t)[j++] = '0';
+				ZSTR_VAL(t)[j] = '0';
+				break;
+			default:
+				ZSTR_VAL(t)[j] = val[i];
+				break;
+		}
+	}
+	ZSTR_VAL(t)[j++] = '~';
+
+	if (options & PCRE2_CASELESS)
+		ZSTR_VAL(t)[j++] = 'i';
+
+	if (options & PCRE2_MULTILINE)
+		ZSTR_VAL(t)[j++] = 'm';
+
+	ZSTR_VAL(t)[j]='\0';
+	ZSTR_LEN(t) = j;
+
+	return t;
+}
+
 private int
 magiccheck(struct magic_set *ms, struct magic *m)
 {
@@ -2144,14 +2199,13 @@
 		slen = MIN(m->vallen, sizeof(m->value.s));
 		l = 0;
 		v = 0;
-#ifdef HAVE_MEMMEM
 		if (slen > 0 && m->str_flags == 0) {
 			const char *found;
 			idx = m->str_range + slen;
 			if (m->str_range == 0 || ms->search.s_len < idx)
 				idx = ms->search.s_len;
-			found = CAST(const char *, memmem(ms->search.s, idx,
-			    m->value.s, slen));
+			found = CAST(const char *, php_memnstr(ms->search.s,
+			    m->value.s, slen, ms->search.s + idx));
 			if (!found)
 				return 0;
 			idx = found - ms->search.s;
@@ -2159,7 +2213,6 @@
 			ms->search.rm_len = ms->search.s_len - idx;
 			break;
 		}
-#endif
 
 		for (idx = 0; m->str_range == 0 || idx < m->str_range; idx++) {
 			if (slen + idx > ms->search.s_len)
@@ -2176,65 +2229,77 @@
 		break;
 	}
 	case FILE_REGEX: {
-		int rc;
-		file_regex_t rx;
-		const char *search;
+		zend_string *pattern;
+		uint32_t options = 0;
+		pcre_cache_entry *pce;
 
-		if (ms->search.s == NULL)
-			return 0;
+		options |= PCRE2_MULTILINE;
 
-		l = 0;
-		rc = file_regcomp(&rx, m->value.s,
-		    REG_EXTENDED|REG_NEWLINE|
-		    ((m->str_flags & STRING_IGNORE_CASE) ? REG_ICASE : 0));
-		if (rc) {
-			file_regerror(&rx, rc, ms);
-			v = CAST(uint64_t, -1);
+		if (m->str_flags & STRING_IGNORE_CASE) {
+			options |= PCRE2_CASELESS;
+		}
+
+		pattern = convert_libmagic_pattern((char *)m->value.s, m->vallen, options);
+
+		l = v = 0;
+		if ((pce = pcre_get_compiled_regex_cache(pattern)) == NULL) {
+			zend_string_release(pattern);
+			return -1;
 		} else {
-			regmatch_t pmatch;
-			size_t slen = ms->search.s_len;
-			char *copy;
-			if (slen != 0) {
-			    copy = CAST(char *, malloc(slen));
-			    if (copy == NULL)  {
-				file_regfree(&rx);
-				file_error(ms, errno,
-				    "can't allocate %" SIZE_T_FORMAT "u bytes",
-				    slen);
+			/* pce now contains the compiled regex */
+			zval retval;
+			zval subpats;
+			zend_string *haystack;
+
+			ZVAL_NULL(&retval);
+			ZVAL_NULL(&subpats);
+
+			/* Cut the search len from haystack, equals to REG_STARTEND */
+			haystack = zend_string_init(ms->search.s, ms->search.s_len, 0);
+
+			/* match v = 0, no match v = 1 */
+			php_pcre_match_impl(pce, haystack, &retval, &subpats, 0, 1, PREG_OFFSET_CAPTURE, 0);
+			/* Free haystack */
+			zend_string_release(haystack);
+
+			if (Z_LVAL(retval) < 0) {
+				zval_ptr_dtor(&subpats);
+				zend_string_release(pattern);
 				return -1;
-			    }
-			    memcpy(copy, ms->search.s, slen);
-			    copy[--slen] = '\0';
-			    search = copy;
+			} else if ((Z_LVAL(retval) > 0) && (Z_TYPE(subpats) == IS_ARRAY)) {
+				/* Need to fetch global match which equals pmatch[0] */
+				zval *pzval;
+				HashTable *ht = Z_ARRVAL(subpats);
+				if ((pzval = zend_hash_index_find(ht, 0)) != NULL && Z_TYPE_P(pzval) == IS_ARRAY) {
+					/* If everything goes according to the master plan
+					   tmpcopy now contains two elements:
+					   0 = the match
+					   1 = starting position of the match */
+					zval *match, *offset;
+					if ((match = zend_hash_index_find(Z_ARRVAL_P(pzval), 0)) &&
+							(offset = zend_hash_index_find(Z_ARRVAL_P(pzval), 1))) {
+						if (Z_TYPE_P(match) != IS_STRING && Z_TYPE_P(offset) != IS_LONG) {
+							goto error_out;
+						}
+						ms->search.s += Z_LVAL_P(offset); /* this is where the match starts */
+						ms->search.offset += Z_LVAL_P(offset); /* this is where the match starts as size_t */
+						ms->search.rm_len = Z_STRLEN_P(match) /* This is the length of the matched pattern */;
+						v = 0;
+					} else {
+						goto error_out;
+					}
+				} else {
+error_out:
+					zval_ptr_dtor(&subpats);
+					zend_string_release(pattern);
+					return -1;
+				}
 			} else {
-			    search = CCAST(char *, "");
-			    copy = NULL;
-			}
-			rc = file_regexec(&rx, RCAST(const char *, search),
-			    1, &pmatch, 0);
-			free(copy);
-			switch (rc) {
-			case 0:
-				ms->search.s += CAST(int, pmatch.rm_so);
-				ms->search.offset += CAST(size_t, pmatch.rm_so);
-				ms->search.rm_len = CAST(size_t, 
-				    pmatch.rm_eo - pmatch.rm_so);
-				v = 0;
-				break;
-
-			case REG_NOMATCH:
 				v = 1;
-				break;
-
-			default:
-				file_regerror(&rx, rc, ms);
-				v = CAST(uint64_t, -1);
-				break;
 			}
+			zval_ptr_dtor(&subpats);
+			zend_string_release(pattern);
 		}
-		file_regfree(&rx);
-		if (v == CAST(uint64_t, -1))
-			return -1;
 		break;
 	}
 	case FILE_USE:
diff -u libmagic.orig/strcasestr.c libmagic/strcasestr.c
--- libmagic.orig/strcasestr.c	2021-02-22 17:49:12.000000000 -0700
+++ libmagic/strcasestr.c	2022-06-06 00:36:46.758464267 -0600
@@ -39,6 +39,8 @@
 
 #include "file.h"
 
+#include <inttypes.h>
+#include <stdint.h>
 #include <assert.h>
 #include <ctype.h>
 #include <string.h>