File file-secure_getenv.patch of Package file.20727

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File file-secure_getenv.patch of Package file.20727

--- file-5.18.orig/configure.ac
+++ file-5.18/configure.ac
@@ -86,6 +86,8 @@ AC_CHECK_HEADERS(getopt.h err.h)
 AC_CHECK_HEADERS(sys/mman.h sys/stat.h sys/types.h sys/utime.h sys/time.h)
 AC_CHECK_HEADERS(zlib.h)
 
+AC_CHECK_FUNCS([__secure_getenv secure_getenv])
+
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_TYPE_OFF_T
--- file-5.18.orig/src/file.h
+++ file-5.18/src/file.h
@@ -541,4 +541,12 @@ static const char *rcsid(const char *p)
 #define FILE_RCSID(id)
 #endif
 
+#ifndef HAVE_SECURE_GETENV
+#  ifdef HAVE___SECURE_GETENV
+#    define secure_getenv __secure_getenv
+#  else
+#    error neither secure_getenv nor __secure_getenv is available
+#  endif
+#endif
+
 #endif /* __file_h__ */
--- file-5.18.orig/src/magic.c
+++ file-5.18/src/magic.c
@@ -97,7 +97,7 @@ get_default_magic(void)
 		free(default_magic);
 		default_magic = NULL;
 	}
-	if ((home = getenv("HOME")) == NULL)
+	if ((home = secure_getenv("HOME")) == NULL)
 		return MAGIC;
 
 	if (asprintf(&hmagicpath, "%s/.magic.mgc", home) < 0)
@@ -152,8 +152,8 @@ out:
 	}
 
 	/* First, try to get user-specific magic file */
-	if ((home = getenv("LOCALAPPDATA")) == NULL) {
-		if ((home = getenv("USERPROFILE")) != NULL)
+	if ((home = secure_getenv("LOCALAPPDATA")) == NULL) {
+		if ((home = secure_getenv("USERPROFILE")) != NULL)
 			if (asprintf(&tmppath,
 			    "%s/Local Settings/Application Data%s", home,
 			    hmagic) < 0)
@@ -166,7 +166,7 @@ out:
 	APPENDPATH();
 
 	/* Second, try to get a magic file from Common Files */
-	if ((home = getenv("COMMONPROGRAMFILES")) != NULL) {
+	if ((home = secure_getenv("COMMONPROGRAMFILES")) != NULL) {
 		if (asprintf(&tmppath, "%s%s", home, hmagic) >= 0)
 			APPENDPATH();
 	}
@@ -204,7 +204,7 @@ magic_getpath(const char *magicfile, int
 	if (magicfile != NULL)
 		return magicfile;
 
-	magicfile = getenv("MAGIC");
+	magicfile = secure_getenv("MAGIC");
 	if (magicfile != NULL)
 		return magicfile;
 
--- file-5.18.orig/src/file.c
+++ file-5.18/src/file.c
@@ -530,7 +530,7 @@ docprint(const char *opts)
 private void
 help(void)
 {
-	const unsigned long posix = (unsigned long)getenv("POSIXLY_CORRECT");
+	const unsigned long posix = (unsigned long)secure_getenv("POSIXLY_CORRECT");
 	(void)fputs(
 "Usage: file [OPTION...] [FILE...]\n"
 "Determine type of FILEs.\n"

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File file-secure_getenv.patch of Package file.20727

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