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-rw-r--r--Makefile.in4
-rw-r--r--extra/Configs/Config.in20
-rw-r--r--include/crypt.h7
-rw-r--r--include/stdlib.h2
-rw-r--r--include/unistd.h2
-rw-r--r--libcrypt/Makefile.in11
-rw-r--r--libcrypt/crypt_stub.c30
7 files changed, 72 insertions, 4 deletions
diff --git a/Makefile.in b/Makefile.in
index 820d8fb68..852018627 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -278,6 +278,10 @@ ifneq ($(UCLIBC_HAS_SOCKET),y)
$(RM) $(PREFIX)$(DEVEL_PREFIX)include/bits/socket.h
$(RM) $(PREFIX)$(DEVEL_PREFIX)include/sys/socketvar.h
endif
+ifneq ($(UCLIBC_HAS_CRYPT),y)
+ # Remove crypt.h since libcrypt was disabled upon request
+ $(RM) $(PREFIX)$(DEVEL_PREFIX)include/crypt.h
+endif
# Installs development library links.
install_dev: install_headers
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 006124eb2..db2483e5f 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -910,6 +910,26 @@ config UCLIBC_HAS_PROFILING
gcc's -finstrument-functions needs these.
Most people can safely answer N.
+
+config UCLIBC_HAS_CRYPT_IMPL
+ bool "libcrypt support"
+ default y
+ help
+ libcrypt contains crypt(), setkey() and encrypt()
+
+config UCLIBC_HAS_CRYPT_STUB
+ bool "libcrypt stubs"
+ default y
+ depends on !UCLIBC_HAS_CRYPT_IMPL
+ help
+ Standards mandate that crypt(3) provides a stub if it is unavailable.
+ If you enable this option then stubs for
+ crypt(), setkey() and encrypt()
+ will be provided in a small libcrypt.
+
+config UCLIBC_HAS_CRYPT
+ def_bool y
+ depends on UCLIBC_HAS_CRYPT_IMPL || UCLIBC_HAS_CRYPT_STUB
endmenu
menuconfig UCLIBC_HAS_NETWORK_SUPPORT
diff --git a/include/crypt.h b/include/crypt.h
index f3fed7ca7..f62a03056 100644
--- a/include/crypt.h
+++ b/include/crypt.h
@@ -27,14 +27,15 @@ __BEGIN_DECLS
/* Encrypt characters from KEY using salt to perturb the encryption method.
* If salt begins with "$1$", MD5 hashing is used instead of DES. */
-extern char *crypt (const char *__key, const char *__salt);
+extern char *crypt (const char *__key, const char *__salt)
+ __THROW __nonnull ((1, 2));
/* Setup DES tables according KEY. */
-extern void setkey (const char *__key);
+extern void setkey (const char *__key) __THROW __nonnull ((1));
/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
block in place. */
-extern void encrypt (char *__block, int __edflag);
+extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
__END_DECLS
diff --git a/include/stdlib.h b/include/stdlib.h
index 354134906..0b4447480 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -802,8 +802,10 @@ extern int getsubopt (char **__restrict __optionp,
#ifdef __USE_XOPEN
+# if defined __UCLIBC_HAS_CRYPT__
/* Setup DES tables according KEY. */
extern void setkey (__const char *__key) __THROW __nonnull ((1));
+# endif /* __UCLIBC_HAS_CRYPT__ */
#endif
diff --git a/include/unistd.h b/include/unistd.h
index e0219e770..58021a5e2 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1077,6 +1077,7 @@ extern int fdatasync (int __fildes) __THROW;
/* XPG4.2 specifies that prototypes for the encryption functions must
be defined here. */
#ifdef __USE_XOPEN
+# if defined __UCLIBC_HAS_CRYPT__
/* Encrypt at most 8 characters from KEY using salt to perturb DES. */
extern char *crypt (__const char *__key, __const char *__salt)
__THROW __nonnull ((1, 2));
@@ -1084,6 +1085,7 @@ extern char *crypt (__const char *__key, __const char *__salt)
/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
block in place. */
extern void encrypt (char *__block, int __edflag) __THROW __nonnull ((1));
+# endif /* __UCLIBC_HAS_CRYPT__ */
/* Swab pairs bytes in the first N bytes of the area pointed to by
diff --git a/libcrypt/Makefile.in b/libcrypt/Makefile.in
index 40a73d1c8..d93e6abab 100644
--- a/libcrypt/Makefile.in
+++ b/libcrypt/Makefile.in
@@ -16,7 +16,14 @@ libcrypt_FULL_NAME := libcrypt-$(VERSION).so
libcrypt_DIR := $(top_srcdir)libcrypt
libcrypt_OUT := $(top_builddir)libcrypt
-libcrypt_SRC := $(wildcard $(libcrypt_DIR)/*.c)
+ifeq ($(UCLIBC_HAS_CRYPT_IMPL),y)
+CSRC := crypt.c des.c md5.c
+endif
+ifeq ($(UCLIBC_HAS_CRYPT_STUB),y)
+CSRC := crypt_stub.c
+endif
+
+libcrypt_SRC := $(addprefix $(libcrypt_DIR)/,$(CSRC))
libcrypt_OBJ := $(patsubst $(libcrypt_DIR)/%.c,$(libcrypt_OUT)/%.o,$(libcrypt_SRC))
ifeq ($(DOPIC),y)
@@ -26,8 +33,10 @@ libcrypt-a-y := $(libcrypt_OBJ)
endif
libcrypt-so-y := $(libcrypt_OBJ:.o=.os)
+ifeq ($(UCLIBC_HAS_CRYPT),y)
lib-a-y += $(top_builddir)lib/libcrypt.a
lib-so-y += $(top_builddir)lib/libcrypt.so
+endif
objclean-y += libcrypt_clean
ifeq ($(DOMULTI),n)
diff --git a/libcrypt/crypt_stub.c b/libcrypt/crypt_stub.c
new file mode 100644
index 000000000..76645a046
--- /dev/null
+++ b/libcrypt/crypt_stub.c
@@ -0,0 +1,30 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * crypt() for uClibc
+ * Copyright (C) 2008 by Erik Andersen <andersen@uclibc.org>
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define __FORCE_GLIBC
+#include <crypt.h>
+#include <unistd.h>
+#include "libcrypt.h"
+#include <syscall.h>
+
+char *crypt(const char *key attribute_unused, const char *salt attribute_unused)
+{
+ __set_errno(ENOSYS);
+ return NULL;
+}
+
+void
+setkey(const char *key attribute_unused)
+{
+ __set_errno(ENOSYS);
+}
+
+void
+encrypt(char *block attribute_unused, int flag attribute_unused)
+{
+ __set_errno(ENOSYS);
+}