85 lines
2.7 KiB
Diff
85 lines
2.7 KiB
Diff
---
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file-5.38/configure.ac | 2 ++
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file-5.38/src/file.c | 2 +-
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file-5.38/src/file.h | 8 ++++++++
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file-5.38/src/magic.c | 10 +++++-----
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4 files changed, 16 insertions(+), 6 deletions(-)
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--- file-5.38/configure.ac
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+++ file-5.38/configure.ac 2019-12-17 09:29:37.751077718 +0000
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@@ -115,6 +115,8 @@ if test "$enable_xzlib" != "no"; then
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fi
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AC_CHECK_TYPE([sig_t],[AC_DEFINE([HAVE_SIG_T],1,[Have sig_t type])],,[#include <signal.h>])
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+AC_CHECK_FUNCS([__secure_getenv secure_getenv])
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+
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_TYPE_OFF_T
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AC_TYPE_SIZE_T
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--- file-5.38/src/file.c
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+++ file-5.38/src/file.c 2019-12-17 09:23:55.973524728 +0000
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@@ -647,7 +647,7 @@ docprint(const char *opts, int def)
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private void
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help(void)
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{
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- const unsigned long posix = (unsigned long)getenv("POSIXLY_CORRECT");
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+ const unsigned long posix = (unsigned long)secure_getenv("POSIXLY_CORRECT");
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(void)fputs(
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"Usage: file [OPTION...] [FILE...]\n"
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"Determine type of FILEs.\n"
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--- file-5.38/src/file.h
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+++ file-5.38/src/file.h 2019-12-17 09:23:55.977524652 +0000
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@@ -650,4 +650,12 @@ static const char *rcsid(const char *p)
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#define __RCSID(a)
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#endif
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+#ifndef HAVE_SECURE_GETENV
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+# ifdef HAVE___SECURE_GETENV
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+# define secure_getenv __secure_getenv
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+# else
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+# error neither secure_getenv nor __secure_getenv is available
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+# endif
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+#endif
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+
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#endif /* __file_h__ */
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--- file-5.38/src/magic.c
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+++ file-5.38/src/magic.c 2019-12-17 09:23:55.977524652 +0000
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@@ -183,7 +183,7 @@ get_default_magic(void)
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free(default_magic);
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default_magic = NULL;
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}
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- if ((home = getenv("HOME")) == NULL)
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+ if ((home = secure_getenv("HOME")) == NULL)
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return MAGIC;
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if (asprintf(&hmagicpath, "%s/.magic.mgc", home) < 0)
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@@ -220,16 +220,16 @@ out:
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}
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/* First, try to get a magic file from user-application data */
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- if ((home = getenv("LOCALAPPDATA")) != NULL)
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+ if ((home = secure_getenv("LOCALAPPDATA")) != NULL)
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_w32_append_path(&hmagicpath, "%s%s", home, hmagic);
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/* Second, try to get a magic file from the user profile data */
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- if ((home = getenv("USERPROFILE")) != NULL)
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+ if ((home = secure_getenv("USERPROFILE")) != NULL)
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_w32_append_path(&hmagicpath,
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"%s/Local Settings/Application Data%s", home, hmagic);
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/* Third, try to get a magic file from Common Files */
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- if ((home = getenv("COMMONPROGRAMFILES")) != NULL)
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+ if ((home = secure_getenv("COMMONPROGRAMFILES")) != NULL)
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_w32_append_path(&hmagicpath, "%s%s", home, hmagic);
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/* Fourth, try to get magic file relative to exe location */
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@@ -250,7 +250,7 @@ magic_getpath(const char *magicfile, int
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if (magicfile != NULL)
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return magicfile;
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- magicfile = getenv("MAGIC");
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+ magicfile = secure_getenv("MAGIC");
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if (magicfile != NULL)
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return magicfile;
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