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libmagic.patch
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diff -u libmagic.orig/apprentice.c libmagic/apprentice.c
--- libmagic.orig/apprentice.c Tue Nov 19 22:01:12 2013
+++ libmagic/apprentice.c Sun Jan 4 17:07:55 2015
@@ -29,6 +29,8 @@
* apprentice - make one pass through /etc/magic, learning its secrets.
*/
+#include "php.h"
+
#include "file.h"
#ifndef lint
@@ -36,18 +38,30 @@
#endif /* lint */
#include "magic.h"
+#include "patchlevel.h"
#include <stdlib.h>
-#ifdef HAVE_UNISTD_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"
+#if _MSC_VER <= 1300
+# include "win32/php_strtoi64.h"
+#endif
+#define strtoull _strtoui64
+#else
#include <unistd.h>
#endif
#include <string.h>
#include <assert.h>
#include <ctype.h>
#include <fcntl.h>
-#ifdef QUICK
-#include <sys/mman.h>
-#endif
-#include <dirent.h>
#define EATAB {while (isascii((unsigned char) *l) && \
isspace((unsigned char) *l)) ++l;}
@@ -148,38 +162,7 @@
{ 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];
@@ -261,6 +244,10 @@
# undef XX
# undef XX_NULL
+#ifndef S_ISDIR
+#define S_ISDIR(mode) ((mode) & _S_IFDIR)
+#endif
+
private int
get_type(const struct type_tbl_s *tbl, const char *l, const char **t)
{
@@ -384,7 +371,7 @@
{
struct mlist *ml;
- 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;
@@ -422,12 +409,13 @@
return apprentice_compile(ms, map, fn);
}
-#ifndef COMPILE_ONLY
map = apprentice_map(ms, fn);
if (map == NULL) {
- if (ms->flags & MAGIC_CHECK)
- file_magwarn(ms, "using regular magic file `%s'", fn);
- map = apprentice_load(ms, fn, action);
+ if (fn) {
+ if (ms->flags & MAGIC_CHECK)
+ file_magwarn(ms, "using regular magic file `%s'", fn);
+ map = apprentice_load(ms, fn, action);
+ }
if (map == NULL)
return -1;
}
@@ -450,7 +438,6 @@
}
return 0;
-#endif /* COMPILE_ONLY */
}
protected void
@@ -461,10 +448,16 @@
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 *
@@ -473,7 +466,7 @@
struct magic_set *ms;
size_t i, len;
- if ((ms = CAST(struct magic_set *, calloc((size_t)1,
+ if ((ms = CAST(struct magic_set *, ecalloc((size_t)1,
sizeof(struct magic_set)))) == NULL)
return NULL;
@@ -485,7 +478,7 @@
ms->o.buf = ms->o.pbuf = NULL;
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;
@@ -496,7 +489,7 @@
ms->line = 0;
return ms;
free:
- free(ms);
+ efree(ms);
return NULL;
}
@@ -505,22 +498,26 @@
{
if (map == NULL)
return;
- if (map->p == NULL)
- return;
-#ifdef QUICK
- if (map->len)
- (void)munmap(map->p, map->len);
- else
-#endif
- free(map->p);
- free(map);
+ 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);
+ }
+ }
+ 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;
@@ -539,10 +536,10 @@
struct mlist *next = ml->next;
if (ml->map)
apprentice_unmap(ml->map);
- free(ml);
+ efree(ml);
ml = next;
}
- free(ml);
+ efree(ml);
}
/* const char *fn: list of magic files and directories */
@@ -555,12 +552,28 @@
file_reset(ms);
+/* 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;
}
@@ -575,7 +588,7 @@
mlist_free(ms->mlist[i]);
while (i != 0);
}
- free(mfn);
+ efree(mfn);
return -1;
}
}
@@ -592,7 +605,7 @@
fn = p;
}
- free(mfn);
+ efree(mfn);
if (errs == -1) {
for (i = 0; i < MAGIC_SETS; i++) {
@@ -918,7 +931,7 @@
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;
@@ -939,13 +952,19 @@
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);
@@ -955,8 +974,7 @@
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') {
@@ -1014,8 +1032,7 @@
}
if (me.mp)
(void)addentry(ms, &me, mset);
- free(line);
- (void)fclose(f);
+ php_stream_close(stream);
}
/*
@@ -1094,7 +1111,7 @@
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;
}
@@ -1116,8 +1133,8 @@
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 *
@@ -1126,18 +1143,19 @@
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;
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;
@@ -1148,22 +1166,26 @@
(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 (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) {
@@ -1171,23 +1193,22 @@
maxfiles = (maxfiles + 1) * 2;
mlen = maxfiles * sizeof(*filearr);
if ((filearr = CAST(char **,
- realloc(filearr, mlen))) == NULL) {
+ erealloc(filearr, mlen))) == NULL) {
file_oomem(ms, mlen);
- free(mfn);
- closedir(dir);
+ php_stream_closedir(dir);
errs++;
goto out;
}
}
- filearr[files++] = mfn;
+ filearr[files++] = estrndup(mfn, (mflen > sizeof(mfn) - 1)? sizeof(mfn) - 1: mflen);
}
- closedir(dir);
+ php_stream_closedir(dir);
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);
+ efree(filearr);
} else
load_1(ms, action, fn, &errs, mset);
if (errs)
@@ -1226,9 +1247,9 @@
if (errs) {
for (j = 0; j < MAGIC_SETS; j++) {
if (map->magic[j])
- free(map->magic[j]);
+ efree(map->magic[j]);
}
- free(map);
+ efree(map);
return NULL;
}
return map;
@@ -1248,7 +1269,7 @@
* the sign extension must have happened.
*/
case FILE_BYTE:
- v = (char) v;
+ v = (signed char) v;
break;
case FILE_SHORT:
case FILE_BESHORT:
@@ -1516,7 +1537,7 @@
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;
@@ -1531,7 +1552,7 @@
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;
}
@@ -1704,7 +1725,7 @@
m->type = get_standard_integer_type(l, &l);
else if (*l == 's' && !isalpha((unsigned char)l[1])) {
m->type = FILE_STRING;
- ++l;
+ ++l;
}
}
}
@@ -1717,6 +1738,10 @@
if (m->type == FILE_INVALID) {
if (ms->flags & MAGIC_CHECK)
file_magwarn(ms, "type `%s' invalid", l);
+ /*if (me->mp) {
+ efree(me->mp);
+ me->mp = NULL;
+ }*/
return -1;
}
@@ -1725,7 +1750,7 @@
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");
@@ -1734,7 +1759,7 @@
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)) {
uint64_t val;
++l;
m->mask_op |= op;
@@ -1925,11 +1950,6 @@
if (check_format(ms, m) == -1)
return -1;
}
-#ifndef COMPILE_ONLY
- if (action == FILE_CHECK) {
- file_mdump(m);
- }
-#endif
m->mimetype[0] = '\0'; /* initialise MIME type to none */
return 0;
}
@@ -2575,59 +2595,75 @@
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, nentries;
int needsbyteswap;
char *dbname = NULL;
struct magic_map *map;
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));
+ efree(map);
goto error;
}
+ 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) {
+ if (php_stream_stat(stream, &st) < 0) {
file_error(ms, errno, "cannot stat `%s'", dbname);
goto error;
}
- if (st.st_size < 8) {
+
+ if (st.sb.st_size < 8) {
file_error(ms, 0, "file `%s' is too small", dbname);
goto error;
}
- map->len = (size_t)st.st_size;
-#ifdef QUICK
- if ((map->p = mmap(0, (size_t)st.st_size, PROT_READ|PROT_WRITE,
- MAP_PRIVATE|MAP_FILE, fd, (off_t)0)) == MAP_FAILED) {
- file_error(ms, errno, "cannot map `%s'", dbname);
- goto error;
- }
-#else
- if ((map->p = CAST(void *, malloc(map->len))) == NULL) {
+ map->len = (size_t)st.sb.st_size;
+ if ((map->p = CAST(void *, emalloc(map->len))) == NULL) {
file_oomem(ms, map->len);
goto error;
}
- if (read(fd, map->p, map->len) != (ssize_t)map->len) {
+ if (php_stream_read(stream, map->p, (size_t)st.sb.st_size) != (size_t)st.sb.st_size) {
file_badread(ms);
goto error;
}
map->len = 0;
#define RET 1
-#endif
- (void)close(fd);
- fd = -1;
- ptr = CAST(uint32_t *, map->p);
+
+ php_stream_close(stream);
+ stream = NULL;
+
+internal_loaded:
+ ptr = (uint32_t *)(void *)map->p;
if (*ptr != MAGICNO) {
if (swap4(*ptr) != MAGICNO) {
file_error(ms, 0, "bad magic in `%s'", dbname);
@@ -2641,17 +2677,29 @@
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.%d supports only version %d magic "
+ "files. `%s' is version %d", FILE_VERSION_MAJOR, patchlevel,
VERSIONNO, dbname, version);
goto error;
}
- entries = (uint32_t)(st.st_size / sizeof(struct magic));
- if ((off_t)(entries * sizeof(struct magic)) != st.st_size) {
- file_error(ms, 0, "Size of `%s' %llu is not a multiple of %zu",
- dbname, (unsigned long long)st.st_size,
- sizeof(struct magic));
- goto error;
+
+ /* 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;
@@ -2664,22 +2712,29 @@
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);
goto error;
}
+
if (needsbyteswap)
for (i = 0; i < MAGIC_SETS; i++)
byteswap(map->magic[i], map->nmagic[i]);
- free(dbname);
+
+ if (dbname) {
+ efree(dbname);
+ }
return map;
error:
- if (fd != -1)
- (void)close(fd);
+ if (stream) {
+ php_stream_close(stream);
+ }
apprentice_unmap(map);
- free(dbname);
+ if (dbname) {
+ efree(dbname);
+ }
return NULL;
}
@@ -2700,14 +2755,18 @@
char *dbname;
int rv = -1;
uint32_t i;
+ php_stream *stream;
+
- dbname = mkdbname(ms, fn, 1);
+ dbname = mkdbname(ms, fn, 0);
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;
}
@@ -2717,31 +2776,33 @@
goto out;
}
- if (write(fd, map->nmagic, nm) != (ssize_t)nm) {
+ if (php_stream_write(stream, (const char *)map->nmagic, nm) != (ssize_t)nm) {
file_error(ms, errno, "error writing `%s'", dbname);
goto out;
}
assert(nm + sizeof(ar) < m);
- if (lseek(fd, (off_t)m, SEEK_SET) != (off_t)m) {
+ if (php_stream_seek(stream,(zend_off_t)sizeof(struct magic), SEEK_SET) != sizeof(struct magic)) {
file_error(ms, errno, "error seeking `%s'", dbname);
goto out;
}
for (i = 0; i < MAGIC_SETS; i++) {
len = m * map->nmagic[i];
- if (write(fd, map->magic[i], len) != (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 out;
}
}
- if (fd != -1)
- (void)close(fd);
+ if (stream) {
+ php_stream_close(stream);
+ }
+
rv = 0;
out:
- free(dbname);
+ efree(dbname);
return rv;
}
@@ -2775,16 +2836,18 @@
q++;
/* Compatibility with old code that looked in .mime */
if (ms->flags & MAGIC_MIME) {
- if (asprintf(&buf, "%.*s.mime%s", (int)(q - fn), fn, ext) < 0)
- return NULL;
- if (access(buf, R_OK) != -1) {
+ spprintf(&buf, MAXPATHLEN, "%.*s.mime%s", (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", (int)(q - fn), fn, ext) < 0)
- return NULL;
+ spprintf(&buf, MAXPATHLEN, "%.*s%s", (int)(q - fn), fn, ext);
/* Compatibility with old code that looked in .mime */
if (strstr(p, ".mime") != NULL)
@@ -2874,7 +2937,7 @@
m->offset = swap4((uint32_t)m->offset);
m->in_offset = swap4((uint32_t)m->in_offset);
m->lineno = swap4((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 Thu Feb 13 00:20:53 2014
+++ libmagic/ascmagic.c Sun Jan 4 17:06:01 2015
@@ -139,7 +139,7 @@
/* 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;
}
@@ -297,7 +297,8 @@
}
rv = 1;
done:
- free(utf8_buf);
+ if (utf8_buf)
+ efree(utf8_buf);
return rv;
}
diff -u libmagic.orig/cdf.c libmagic/cdf.c
--- libmagic.orig/cdf.c Tue Feb 26 17:20:42 2013
+++ libmagic/cdf.c Sun Jan 4 17:07:55 2015
@@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.53 2013/02/26 16:20:42 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.55 2014/02/27 23:26:17 christos Exp $")
#endif
#include <assert.h>
@@ -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>
@@ -267,23 +277,25 @@
{
const char *b = (const char *)sst->sst_tab;
const char *e = ((const char *)p) + tail;
+ size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
+ CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
(void)&line;
- if (e >= b && (size_t)(e - b) <= CDF_SEC_SIZE(h) * sst->sst_len)
+ if (e >= b && (size_t)(e - b) <= ss * sst->sst_len)
return 0;
DPRINTF(("%d: offset begin %p < end %p || %" SIZE_T_FORMAT "u"
" > %" SIZE_T_FORMAT "u [%" SIZE_T_FORMAT "u %"
SIZE_T_FORMAT "u]\n", line, b, e, (size_t)(e - b),
- CDF_SEC_SIZE(h) * sst->sst_len, CDF_SEC_SIZE(h), sst->sst_len));
+ ss * sst->sst_len, ss, sst->sst_len));
errno = EFTYPE;
return -1;
}
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 = (size_t)off + len;
- if ((off_t)(off + len) != (off_t)siz) {
+ if ((zend_off_t)(off + len) != (zend_off_t)siz) {
errno = EINVAL;
return -1;
}
@@ -296,7 +308,10 @@
if (info->i_fd == -1)
return -1;
- if (pread(info->i_fd, buf, len, off) != (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 (ssize_t)len;
@@ -308,7 +323,7 @@
char buf[512];
(void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
- if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
+ if (cdf_read(info, (zend_off_t)0, buf, sizeof(buf)) == -1)
return -1;
cdf_unpack_header(h, buf);
cdf_swap_header(h);
@@ -342,7 +357,7 @@
size_t ss = CDF_SEC_SIZE(h);
size_t pos = CDF_SEC_POS(h, id);
assert(ss == len);
- return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
+ return cdf_read(info, (zend_off_t)pos, ((char *)buf) + offs, len);
}
ssize_t
@@ -352,10 +367,10 @@
size_t ss = CDF_SHORT_SEC_SIZE(h);
size_t pos = CDF_SHORT_SEC_POS(h, id);
assert(ss == len);
- if (pos > CDF_SEC_SIZE(h) * sst->sst_len) {
+ if (pos + len > CDF_SEC_SIZE(h) * sst->sst_len) {
DPRINTF(("Out of bounds read %" SIZE_T_FORMAT "u > %"
SIZE_T_FORMAT "u\n",
- pos, CDF_SEC_SIZE(h) * sst->sst_len));
+ pos + len, CDF_SEC_SIZE(h) * sst->sst_len));
return -1;
}
(void)memcpy(((char *)buf) + offs,
@@ -455,7 +470,8 @@
cdf_count_chain(const cdf_sat_t *sat, cdf_secid_t sid, size_t size)
{
size_t i, j;
- cdf_secid_t maxsector = (cdf_secid_t)(sat->sat_len * size);
+ cdf_secid_t maxsector = (cdf_secid_t)((sat->sat_len * size)
+ / sizeof(maxsector));
DPRINTF(("Chain:"));
for (j = i = 0; sid >= 0; i++, j++) {
@@ -465,8 +481,8 @@
errno = EFTYPE;
return (size_t)-1;
}
- if (sid > maxsector) {
- DPRINTF(("Sector %d > %d\n", sid, maxsector));
+ if (sid >= maxsector) {
+ DPRINTF(("Sector %d >= %d\n", sid, maxsector));
errno = EFTYPE;
return (size_t)-1;
}
@@ -675,11 +691,13 @@
int
cdf_read_short_stream(const cdf_info_t *info, const cdf_header_t *h,
- const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn)
+ const cdf_sat_t *sat, const cdf_dir_t *dir, cdf_stream_t *scn,
+ const cdf_directory_t **root)
{
size_t i;
const cdf_directory_t *d;
+ *root = NULL;
for (i = 0; i < dir->dir_len; i++)
if (dir->dir_tab[i].d_type == CDF_DIR_TYPE_ROOT_STORAGE)
break;
@@ -688,6 +706,7 @@
if (i == dir->dir_len)
goto out;
d = &dir->dir_tab[i];
+ *root = d;
/* If the it is not there, just fake it; some docs don't have it */
if (d->d_stream_first_sector < 0)
@@ -796,11 +815,15 @@
if (cdf_check_stream_offset(sst, h, e, 0, __LINE__) == -1)
goto out;
for (i = 0; i < sh.sh_properties; i++) {
- size_t ofs = CDF_GETUINT32(p, (i << 1) + 1);
+ size_t ofs, tail = (i << 1) + 1;
+ if (cdf_check_stream_offset(sst, h, p, tail * sizeof(uint32_t),
+ __LINE__) == -1)
+ goto out;
+ ofs = CDF_GETUINT32(p, tail);
q = (const uint8_t *)(const void *)
((const char *)(const void *)p + ofs
- 2 * sizeof(uint32_t));
- if (q > e) {
+ if (q < p || q > e) {
DPRINTF(("Ran of the end %p > %p\n", q, e));
goto out;
}
@@ -810,6 +833,10 @@
i, inp[i].pi_id, inp[i].pi_type, q - p, offs));
if (inp[i].pi_type & CDF_VECTOR) {
nelements = CDF_GETUINT32(q, 1);
+ if (nelements == 0) {
+ DPRINTF(("CDF_VECTOR with nelements == 0\n"));
+ goto out;
+ }
o = 2;
} else {
nelements = 1;
@@ -884,7 +911,9 @@
}
DPRINTF(("nelements = %" SIZE_T_FORMAT "u\n",
nelements));