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-rw-r--r--src/lib/libcrypto/rand/Makefile.ssl194
-rw-r--r--src/lib/libcrypto/rand/rand.h133
-rw-r--r--src/lib/libcrypto/rand/rand_egd.c2
-rw-r--r--src/lib/libcrypto/rand/rand_err.c95
-rw-r--r--src/lib/libcrypto/rand/rand_lib.c176
-rw-r--r--src/lib/libcrypto/rand/rand_unix.c19
-rw-r--r--src/lib/libcrypto/rand/rand_win.c14
-rw-r--r--src/lib/libcrypto/rand/randfile.c273
8 files changed, 895 insertions, 11 deletions
diff --git a/src/lib/libcrypto/rand/Makefile.ssl b/src/lib/libcrypto/rand/Makefile.ssl
new file mode 100644
index 0000000000..df80702373
--- /dev/null
+++ b/src/lib/libcrypto/rand/Makefile.ssl
@@ -0,0 +1,194 @@
1#
2# SSLeay/crypto/rand/Makefile
3#
4
5DIR= rand
6TOP= ../..
7CC= cc
8INCLUDES=
9CFLAG=-g
10INSTALL_PREFIX=
11OPENSSLDIR= /usr/local/ssl
12INSTALLTOP=/usr/local/ssl
13MAKE= make -f Makefile.ssl
14MAKEDEPPROG= makedepend
15MAKEDEPEND= $(TOP)/util/domd $(TOP) -MD $(MAKEDEPPROG)
16MAKEFILE= Makefile.ssl
17AR= ar r
18
19CFLAGS= $(INCLUDES) $(CFLAG)
20
21GENERAL=Makefile
22TEST= randtest.c
23APPS=
24
25LIB=$(TOP)/libcrypto.a
26LIBSRC=md_rand.c randfile.c rand_lib.c rand_err.c rand_egd.c \
27 rand_win.c rand_unix.c rand_os2.c
28LIBOBJ=md_rand.o randfile.o rand_lib.o rand_err.o rand_egd.o \
29 rand_win.o rand_unix.o rand_os2.o
30
31SRC= $(LIBSRC)
32
33EXHEADER= rand.h
34HEADER= $(EXHEADER)
35
36ALL= $(GENERAL) $(SRC) $(HEADER)
37
38top:
39 (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
40
41all: lib
42
43lib: $(LIBOBJ)
44 $(AR) $(LIB) $(LIBOBJ)
45 $(RANLIB) $(LIB) || echo Never mind.
46 @touch lib
47
48files:
49 $(PERL) $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
50
51links:
52 @sh $(TOP)/util/point.sh Makefile.ssl Makefile
53 @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
54 @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
55 @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
56
57install:
58 @for i in $(EXHEADER) ; \
59 do \
60 (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
61 chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
62 done;
63
64tags:
65 ctags $(SRC)
66
67tests:
68
69lint:
70 lint -DLINT $(INCLUDES) $(SRC)>fluff
71
72depend:
73 $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
74
75dclean:
76 $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
77 mv -f Makefile.new $(MAKEFILE)
78
79clean:
80 rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
81
82# DO NOT DELETE THIS LINE -- make depend depends on it.
83
84md_rand.o: ../../e_os.h ../../include/openssl/aes.h
85md_rand.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
86md_rand.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
87md_rand.o: ../../include/openssl/cast.h ../../include/openssl/crypto.h
88md_rand.o: ../../include/openssl/des.h ../../include/openssl/des_old.h
89md_rand.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
90md_rand.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
91md_rand.o: ../../include/openssl/evp.h ../../include/openssl/idea.h
92md_rand.o: ../../include/openssl/lhash.h ../../include/openssl/md2.h
93md_rand.o: ../../include/openssl/md4.h ../../include/openssl/md5.h
94md_rand.o: ../../include/openssl/mdc2.h ../../include/openssl/obj_mac.h
95md_rand.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
96md_rand.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
97md_rand.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
98md_rand.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
99md_rand.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
100md_rand.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
101md_rand.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
102md_rand.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
103md_rand.o: md_rand.c rand_lcl.h
104rand_egd.o: ../../include/openssl/e_os2.h ../../include/openssl/opensslconf.h
105rand_egd.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h
106rand_egd.o: rand_egd.c
107rand_err.o: ../../include/openssl/bio.h ../../include/openssl/crypto.h
108rand_err.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
109rand_err.o: ../../include/openssl/lhash.h ../../include/openssl/opensslconf.h
110rand_err.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
111rand_err.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h
112rand_err.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
113rand_err.o: rand_err.c
114rand_lib.o: ../../e_os.h ../../include/openssl/asn1.h
115rand_lib.o: ../../include/openssl/bio.h ../../include/openssl/bn.h
116rand_lib.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
117rand_lib.o: ../../include/openssl/dh.h ../../include/openssl/dsa.h
118rand_lib.o: ../../include/openssl/e_os2.h ../../include/openssl/engine.h
119rand_lib.o: ../../include/openssl/err.h ../../include/openssl/lhash.h
120rand_lib.o: ../../include/openssl/opensslconf.h
121rand_lib.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
122rand_lib.o: ../../include/openssl/rand.h ../../include/openssl/rsa.h
123rand_lib.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
124rand_lib.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
125rand_lib.o: ../cryptlib.h rand_lib.c
126rand_os2.o: ../../e_os.h ../../include/openssl/aes.h
127rand_os2.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
128rand_os2.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
129rand_os2.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
130rand_os2.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
131rand_os2.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
132rand_os2.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
133rand_os2.o: ../../include/openssl/err.h ../../include/openssl/evp.h
134rand_os2.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
135rand_os2.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
136rand_os2.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
137rand_os2.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
138rand_os2.o: ../../include/openssl/opensslconf.h
139rand_os2.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
140rand_os2.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
141rand_os2.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
142rand_os2.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
143rand_os2.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
144rand_os2.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
145rand_os2.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
146rand_os2.o: ../cryptlib.h rand_lcl.h rand_os2.c
147rand_unix.o: ../../e_os.h ../../include/openssl/aes.h
148rand_unix.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
149rand_unix.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
150rand_unix.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
151rand_unix.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
152rand_unix.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
153rand_unix.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
154rand_unix.o: ../../include/openssl/err.h ../../include/openssl/evp.h
155rand_unix.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
156rand_unix.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
157rand_unix.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
158rand_unix.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
159rand_unix.o: ../../include/openssl/opensslconf.h
160rand_unix.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
161rand_unix.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
162rand_unix.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
163rand_unix.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
164rand_unix.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
165rand_unix.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
166rand_unix.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
167rand_unix.o: ../cryptlib.h rand_lcl.h rand_unix.c
168rand_win.o: ../../e_os.h ../../include/openssl/aes.h
169rand_win.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
170rand_win.o: ../../include/openssl/blowfish.h ../../include/openssl/bn.h
171rand_win.o: ../../include/openssl/buffer.h ../../include/openssl/cast.h
172rand_win.o: ../../include/openssl/crypto.h ../../include/openssl/des.h
173rand_win.o: ../../include/openssl/des_old.h ../../include/openssl/dh.h
174rand_win.o: ../../include/openssl/dsa.h ../../include/openssl/e_os2.h
175rand_win.o: ../../include/openssl/err.h ../../include/openssl/evp.h
176rand_win.o: ../../include/openssl/idea.h ../../include/openssl/lhash.h
177rand_win.o: ../../include/openssl/md2.h ../../include/openssl/md4.h
178rand_win.o: ../../include/openssl/md5.h ../../include/openssl/mdc2.h
179rand_win.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
180rand_win.o: ../../include/openssl/opensslconf.h
181rand_win.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
182rand_win.o: ../../include/openssl/rand.h ../../include/openssl/rc2.h
183rand_win.o: ../../include/openssl/rc4.h ../../include/openssl/rc5.h
184rand_win.o: ../../include/openssl/ripemd.h ../../include/openssl/rsa.h
185rand_win.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
186rand_win.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
187rand_win.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
188rand_win.o: ../cryptlib.h rand_lcl.h rand_win.c
189randfile.o: ../../e_os.h ../../include/openssl/crypto.h
190randfile.o: ../../include/openssl/e_os2.h ../../include/openssl/opensslconf.h
191randfile.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
192randfile.o: ../../include/openssl/rand.h ../../include/openssl/safestack.h
193randfile.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
194randfile.o: randfile.c
diff --git a/src/lib/libcrypto/rand/rand.h b/src/lib/libcrypto/rand/rand.h
new file mode 100644
index 0000000000..606382dd21
--- /dev/null
+++ b/src/lib/libcrypto/rand/rand.h
@@ -0,0 +1,133 @@
1/* crypto/rand/rand.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_RAND_H
60#define HEADER_RAND_H
61
62#include <stdlib.h>
63#include <openssl/ossl_typ.h>
64#include <openssl/e_os2.h>
65
66#if defined(OPENSSL_SYS_WINDOWS)
67#include <windows.h>
68#endif
69
70#ifdef __cplusplus
71extern "C" {
72#endif
73
74typedef struct rand_meth_st
75 {
76 void (*seed)(const void *buf, int num);
77 int (*bytes)(unsigned char *buf, int num);
78 void (*cleanup)(void);
79 void (*add)(const void *buf, int num, double entropy);
80 int (*pseudorand)(unsigned char *buf, int num);
81 int (*status)(void);
82 } RAND_METHOD;
83
84#ifdef BN_DEBUG
85extern int rand_predictable;
86#endif
87
88int RAND_set_rand_method(const RAND_METHOD *meth);
89const RAND_METHOD *RAND_get_rand_method(void);
90#ifndef OPENSSL_NO_ENGINE
91int RAND_set_rand_engine(ENGINE *engine);
92#endif
93RAND_METHOD *RAND_SSLeay(void);
94void RAND_cleanup(void );
95int RAND_bytes(unsigned char *buf,int num);
96int RAND_pseudo_bytes(unsigned char *buf,int num);
97void RAND_seed(const void *buf,int num);
98void RAND_add(const void *buf,int num,double entropy);
99int RAND_load_file(const char *file,long max_bytes);
100int RAND_write_file(const char *file);
101const char *RAND_file_name(char *file,size_t num);
102int RAND_status(void);
103int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
104int RAND_egd(const char *path);
105int RAND_egd_bytes(const char *path,int bytes);
106int RAND_poll(void);
107
108#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
109
110void RAND_screen(void);
111int RAND_event(UINT, WPARAM, LPARAM);
112
113#endif
114
115/* BEGIN ERROR CODES */
116/* The following lines are auto generated by the script mkerr.pl. Any changes
117 * made after this point may be overwritten when the script is next run.
118 */
119void ERR_load_RAND_strings(void);
120
121/* Error codes for the RAND functions. */
122
123/* Function codes. */
124#define RAND_F_RAND_GET_RAND_METHOD 101
125#define RAND_F_SSLEAY_RAND_BYTES 100
126
127/* Reason codes. */
128#define RAND_R_PRNG_NOT_SEEDED 100
129
130#ifdef __cplusplus
131}
132#endif
133#endif
diff --git a/src/lib/libcrypto/rand/rand_egd.c b/src/lib/libcrypto/rand/rand_egd.c
index 1f168221e3..895967476e 100644
--- a/src/lib/libcrypto/rand/rand_egd.c
+++ b/src/lib/libcrypto/rand/rand_egd.c
@@ -145,7 +145,7 @@ int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
145 addr.sun_family = AF_UNIX; 145 addr.sun_family = AF_UNIX;
146 if (strlen(path) >= sizeof(addr.sun_path)) 146 if (strlen(path) >= sizeof(addr.sun_path))
147 return (-1); 147 return (-1);
148 strcpy(addr.sun_path,path); 148 strlcpy(addr.sun_path,path,sizeof addr.sun_path);
149 len = offsetof(struct sockaddr_un, sun_path) + strlen(path); 149 len = offsetof(struct sockaddr_un, sun_path) + strlen(path);
150 fd = socket(AF_UNIX, SOCK_STREAM, 0); 150 fd = socket(AF_UNIX, SOCK_STREAM, 0);
151 if (fd == -1) return (-1); 151 if (fd == -1) return (-1);
diff --git a/src/lib/libcrypto/rand/rand_err.c b/src/lib/libcrypto/rand/rand_err.c
new file mode 100644
index 0000000000..b77267e213
--- /dev/null
+++ b/src/lib/libcrypto/rand/rand_err.c
@@ -0,0 +1,95 @@
1/* crypto/rand/rand_err.c */
2/* ====================================================================
3 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@OpenSSL.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56/* NOTE: this file was auto generated by the mkerr.pl script: any changes
57 * made to it will be overwritten when the script next updates this file,
58 * only reason strings will be preserved.
59 */
60
61#include <stdio.h>
62#include <openssl/err.h>
63#include <openssl/rand.h>
64
65/* BEGIN ERROR CODES */
66#ifndef OPENSSL_NO_ERR
67static ERR_STRING_DATA RAND_str_functs[]=
68 {
69{ERR_PACK(0,RAND_F_RAND_GET_RAND_METHOD,0), "RAND_get_rand_method"},
70{ERR_PACK(0,RAND_F_SSLEAY_RAND_BYTES,0), "SSLEAY_RAND_BYTES"},
71{0,NULL}
72 };
73
74static ERR_STRING_DATA RAND_str_reasons[]=
75 {
76{RAND_R_PRNG_NOT_SEEDED ,"PRNG not seeded"},
77{0,NULL}
78 };
79
80#endif
81
82void ERR_load_RAND_strings(void)
83 {
84 static int init=1;
85
86 if (init)
87 {
88 init=0;
89#ifndef OPENSSL_NO_ERR
90 ERR_load_strings(ERR_LIB_RAND,RAND_str_functs);
91 ERR_load_strings(ERR_LIB_RAND,RAND_str_reasons);
92#endif
93
94 }
95 }
diff --git a/src/lib/libcrypto/rand/rand_lib.c b/src/lib/libcrypto/rand/rand_lib.c
new file mode 100644
index 0000000000..513e338985
--- /dev/null
+++ b/src/lib/libcrypto/rand/rand_lib.c
@@ -0,0 +1,176 @@
1/* crypto/rand/rand_lib.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <time.h>
61#include "cryptlib.h"
62#include <openssl/rand.h>
63#ifndef OPENSSL_NO_ENGINE
64#include <openssl/engine.h>
65#endif
66
67#ifndef OPENSSL_NO_ENGINE
68/* non-NULL if default_RAND_meth is ENGINE-provided */
69static ENGINE *funct_ref =NULL;
70#endif
71static const RAND_METHOD *default_RAND_meth = NULL;
72
73int RAND_set_rand_method(const RAND_METHOD *meth)
74 {
75#ifndef OPENSSL_NO_ENGINE
76 if(funct_ref)
77 {
78 ENGINE_finish(funct_ref);
79 funct_ref = NULL;
80 }
81#endif
82 default_RAND_meth = meth;
83 return 1;
84 }
85
86const RAND_METHOD *RAND_get_rand_method(void)
87 {
88 if (!default_RAND_meth)
89 {
90#ifndef OPENSSL_NO_ENGINE
91 ENGINE *e = ENGINE_get_default_RAND();
92 if(e)
93 {
94 default_RAND_meth = ENGINE_get_RAND(e);
95 if(!default_RAND_meth)
96 {
97 ENGINE_finish(e);
98 e = NULL;
99 }
100 }
101 if(e)
102 funct_ref = e;
103 else
104#endif
105 default_RAND_meth = RAND_SSLeay();
106 }
107 return default_RAND_meth;
108 }
109
110#ifndef OPENSSL_NO_ENGINE
111int RAND_set_rand_engine(ENGINE *engine)
112 {
113 const RAND_METHOD *tmp_meth = NULL;
114 if(engine)
115 {
116 if(!ENGINE_init(engine))
117 return 0;
118 tmp_meth = ENGINE_get_RAND(engine);
119 if(!tmp_meth)
120 {
121 ENGINE_finish(engine);
122 return 0;
123 }
124 }
125 /* This function releases any prior ENGINE so call it first */
126 RAND_set_rand_method(tmp_meth);
127 funct_ref = engine;
128 return 1;
129 }
130#endif
131
132void RAND_cleanup(void)
133 {
134 const RAND_METHOD *meth = RAND_get_rand_method();
135 if (meth && meth->cleanup)
136 meth->cleanup();
137 RAND_set_rand_method(NULL);
138 }
139
140void RAND_seed(const void *buf, int num)
141 {
142 const RAND_METHOD *meth = RAND_get_rand_method();
143 if (meth && meth->seed)
144 meth->seed(buf,num);
145 }
146
147void RAND_add(const void *buf, int num, double entropy)
148 {
149 const RAND_METHOD *meth = RAND_get_rand_method();
150 if (meth && meth->add)
151 meth->add(buf,num,entropy);
152 }
153
154int RAND_bytes(unsigned char *buf, int num)
155 {
156 const RAND_METHOD *meth = RAND_get_rand_method();
157 if (meth && meth->bytes)
158 return meth->bytes(buf,num);
159 return(-1);
160 }
161
162int RAND_pseudo_bytes(unsigned char *buf, int num)
163 {
164 const RAND_METHOD *meth = RAND_get_rand_method();
165 if (meth && meth->pseudorand)
166 return meth->pseudorand(buf,num);
167 return(-1);
168 }
169
170int RAND_status(void)
171 {
172 const RAND_METHOD *meth = RAND_get_rand_method();
173 if (meth && meth->status)
174 return meth->status();
175 return 0;
176 }
diff --git a/src/lib/libcrypto/rand/rand_unix.c b/src/lib/libcrypto/rand/rand_unix.c
index a776e52243..0599719dd1 100644
--- a/src/lib/libcrypto/rand/rand_unix.c
+++ b/src/lib/libcrypto/rand/rand_unix.c
@@ -124,6 +124,24 @@
124#include <unistd.h> 124#include <unistd.h>
125#include <time.h> 125#include <time.h>
126 126
127#ifdef __OpenBSD__
128int RAND_poll(void)
129{
130 u_int32_t rnd = 0, i;
131 unsigned char buf[ENTROPY_NEEDED];
132
133 for (i = 0; i < sizeof(buf); i++) {
134 if (i % 4 == 0)
135 rnd = arc4random();
136 buf[i] = rnd;
137 rnd >>= 8;
138 }
139 RAND_add(buf, sizeof(buf), ENTROPY_NEEDED);
140 memset(buf, 0, sizeof(buf));
141
142 return 1;
143}
144#else
127int RAND_poll(void) 145int RAND_poll(void)
128{ 146{
129 unsigned long l; 147 unsigned long l;
@@ -236,6 +254,7 @@ int RAND_poll(void)
236} 254}
237 255
238#endif 256#endif
257#endif
239 258
240#if defined(OPENSSL_SYS_VXWORKS) 259#if defined(OPENSSL_SYS_VXWORKS)
241int RAND_poll(void) 260int RAND_poll(void)
diff --git a/src/lib/libcrypto/rand/rand_win.c b/src/lib/libcrypto/rand/rand_win.c
index 263068d256..113b58678f 100644
--- a/src/lib/libcrypto/rand/rand_win.c
+++ b/src/lib/libcrypto/rand/rand_win.c
@@ -162,7 +162,6 @@ typedef BOOL (WINAPI *GETCURSORINFO)(PCURSORINFO);
162typedef DWORD (WINAPI *GETQUEUESTATUS)(UINT); 162typedef DWORD (WINAPI *GETQUEUESTATUS)(UINT);
163 163
164typedef HANDLE (WINAPI *CREATETOOLHELP32SNAPSHOT)(DWORD, DWORD); 164typedef HANDLE (WINAPI *CREATETOOLHELP32SNAPSHOT)(DWORD, DWORD);
165typedef BOOL (WINAPI *CLOSETOOLHELP32SNAPSHOT)(HANDLE);
166typedef BOOL (WINAPI *HEAP32FIRST)(LPHEAPENTRY32, DWORD, DWORD); 165typedef BOOL (WINAPI *HEAP32FIRST)(LPHEAPENTRY32, DWORD, DWORD);
167typedef BOOL (WINAPI *HEAP32NEXT)(LPHEAPENTRY32); 166typedef BOOL (WINAPI *HEAP32NEXT)(LPHEAPENTRY32);
168typedef BOOL (WINAPI *HEAP32LIST)(HANDLE, LPHEAPLIST32); 167typedef BOOL (WINAPI *HEAP32LIST)(HANDLE, LPHEAPLIST32);
@@ -432,7 +431,7 @@ int RAND_poll(void)
432 * This seeding method was proposed in Peter Gutmann, Software 431 * This seeding method was proposed in Peter Gutmann, Software
433 * Generation of Practically Strong Random Numbers, 432 * Generation of Practically Strong Random Numbers,
434 * http://www.usenix.org/publications/library/proceedings/sec98/gutmann.html 433 * http://www.usenix.org/publications/library/proceedings/sec98/gutmann.html
435 * revised version at http://www.cryptoengines.com/~peter/06_random.pdf 434 * revised version at http://www.cryptoengines.com/~peter/06_random.pdf
436 * (The assignment of entropy estimates below is arbitrary, but based 435 * (The assignment of entropy estimates below is arbitrary, but based
437 * on Peter's analysis the full poll appears to be safe. Additional 436 * on Peter's analysis the full poll appears to be safe. Additional
438 * interactive seeding is encouraged.) 437 * interactive seeding is encouraged.)
@@ -441,7 +440,6 @@ int RAND_poll(void)
441 if (kernel) 440 if (kernel)
442 { 441 {
443 CREATETOOLHELP32SNAPSHOT snap; 442 CREATETOOLHELP32SNAPSHOT snap;
444 CLOSETOOLHELP32SNAPSHOT close_snap;
445 HANDLE handle; 443 HANDLE handle;
446 444
447 HEAP32FIRST heap_first; 445 HEAP32FIRST heap_first;
@@ -459,8 +457,6 @@ int RAND_poll(void)
459 457
460 snap = (CREATETOOLHELP32SNAPSHOT) 458 snap = (CREATETOOLHELP32SNAPSHOT)
461 GetProcAddress(kernel, TEXT("CreateToolhelp32Snapshot")); 459 GetProcAddress(kernel, TEXT("CreateToolhelp32Snapshot"));
462 close_snap = (CLOSETOOLHELP32SNAPSHOT)
463 GetProcAddress(kernel, TEXT("CloseToolhelp32Snapshot"));
464 heap_first = (HEAP32FIRST) GetProcAddress(kernel, TEXT("Heap32First")); 460 heap_first = (HEAP32FIRST) GetProcAddress(kernel, TEXT("Heap32First"));
465 heap_next = (HEAP32NEXT) GetProcAddress(kernel, TEXT("Heap32Next")); 461 heap_next = (HEAP32NEXT) GetProcAddress(kernel, TEXT("Heap32Next"));
466 heaplist_first = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListFirst")); 462 heaplist_first = (HEAP32LIST) GetProcAddress(kernel, TEXT("Heap32ListFirst"));
@@ -476,7 +472,7 @@ int RAND_poll(void)
476 heaplist_next && process_first && process_next && 472 heaplist_next && process_first && process_next &&
477 thread_first && thread_next && module_first && 473 thread_first && thread_next && module_first &&
478 module_next && (handle = snap(TH32CS_SNAPALL,0)) 474 module_next && (handle = snap(TH32CS_SNAPALL,0))
479 != INVALID_HANDLE_VALUE) 475 != NULL)
480 { 476 {
481 /* heap list and heap walking */ 477 /* heap list and heap walking */
482 /* HEAPLIST32 contains 3 fields that will change with 478 /* HEAPLIST32 contains 3 fields that will change with
@@ -538,10 +534,8 @@ int RAND_poll(void)
538 do 534 do
539 RAND_add(&m, m.dwSize, 9); 535 RAND_add(&m, m.dwSize, 9);
540 while (module_next(handle, &m)); 536 while (module_next(handle, &m));
541 if (close_snap) 537
542 close_snap(handle); 538 CloseHandle(handle);
543 else
544 CloseHandle(handle);
545 } 539 }
546 540
547 FreeLibrary(kernel); 541 FreeLibrary(kernel);
diff --git a/src/lib/libcrypto/rand/randfile.c b/src/lib/libcrypto/rand/randfile.c
new file mode 100644
index 0000000000..cfbec2ac1f
--- /dev/null
+++ b/src/lib/libcrypto/rand/randfile.c
@@ -0,0 +1,273 @@
1/* crypto/rand/randfile.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <errno.h>
60#include <stdio.h>
61#include <stdlib.h>
62#include <string.h>
63
64#include "e_os.h"
65#include <openssl/crypto.h>
66#include <openssl/rand.h>
67
68#ifdef OPENSSL_SYS_VMS
69#include <unixio.h>
70#endif
71#ifndef NO_SYS_TYPES_H
72# include <sys/types.h>
73#endif
74#ifdef MAC_OS_pre_X
75# include <stat.h>
76#else
77# include <sys/stat.h>
78#endif
79
80#undef BUFSIZE
81#define BUFSIZE 1024
82#define RAND_DATA 1024
83
84/* #define RFILE ".rnd" - defined in ../../e_os.h */
85
86/* Note that these functions are intended for seed files only.
87 * Entropy devices and EGD sockets are handled in rand_unix.c */
88
89int RAND_load_file(const char *file, long bytes)
90 {
91 /* If bytes >= 0, read up to 'bytes' bytes.
92 * if bytes == -1, read complete file. */
93
94 MS_STATIC unsigned char buf[BUFSIZE];
95 struct stat sb;
96 int i,ret=0,n;
97 FILE *in;
98
99 if (file == NULL) return(0);
100
101 i=stat(file,&sb);
102 /* If the state fails, put some crap in anyway */
103 RAND_add(&sb,sizeof(sb),0);
104 if (i < 0) return(0);
105 if (bytes == 0) return(ret);
106
107 in=fopen(file,"rb");
108 if (in == NULL) goto err;
109 if (sb.st_mode & (S_IFBLK | S_IFCHR)) {
110 /* this file is a device. we don't want read an infinite number
111 * of bytes from a random device, nor do we want to use buffered
112 * I/O because we will waste system entropy.
113 */
114 bytes = (bytes == -1) ? 2048 : bytes; /* ok, is 2048 enough? */
115 setvbuf(in, NULL, _IONBF, 0); /* don't do buffered reads */
116 }
117 for (;;)
118 {
119 if (bytes > 0)
120 n = (bytes < BUFSIZE)?(int)bytes:BUFSIZE;
121 else
122 n = BUFSIZE;
123 i=fread(buf,1,n,in);
124 if (i <= 0) break;
125 /* even if n != i, use the full array */
126 RAND_add(buf,n,i);
127 ret+=i;
128 if (bytes > 0)
129 {
130 bytes-=n;
131 if (bytes <= 0) break;
132 }
133 }
134 fclose(in);
135 OPENSSL_cleanse(buf,BUFSIZE);
136err:
137 return(ret);
138 }
139
140int RAND_write_file(const char *file)
141 {
142 unsigned char buf[BUFSIZE];
143 int i,ret=0,rand_err=0;
144 FILE *out = NULL;
145 int n;
146 struct stat sb;
147
148 i=stat(file,&sb);
149 if (i != -1) {
150 if (sb.st_mode & (S_IFBLK | S_IFCHR)) {
151 /* this file is a device. we don't write back to it.
152 * we "succeed" on the assumption this is some sort
153 * of random device. Otherwise attempting to write to
154 * and chmod the device causes problems.
155 */
156 return(1);
157 }
158 }
159
160#if defined(O_CREAT) && !defined(OPENSSL_SYS_WIN32)
161 /* For some reason Win32 can't write to files created this way */
162
163 /* chmod(..., 0600) is too late to protect the file,
164 * permissions should be restrictive from the start */
165 int fd = open(file, O_CREAT, 0600);
166 if (fd != -1)
167 out = fdopen(fd, "wb");
168#endif
169 if (out == NULL)
170 out = fopen(file,"wb");
171 if (out == NULL) goto err;
172
173#ifndef NO_CHMOD
174 chmod(file,0600);
175#endif
176 n=RAND_DATA;
177 for (;;)
178 {
179 i=(n > BUFSIZE)?BUFSIZE:n;
180 n-=BUFSIZE;
181 if (RAND_bytes(buf,i) <= 0)
182 rand_err=1;
183 i=fwrite(buf,1,i,out);
184 if (i <= 0)
185 {
186 ret=0;
187 break;
188 }
189 ret+=i;
190 if (n <= 0) break;
191 }
192#ifdef OPENSSL_SYS_VMS
193 /* Try to delete older versions of the file, until there aren't
194 any */
195 {
196 char *tmpf;
197
198 tmpf = OPENSSL_malloc(strlen(file) + 4); /* to add ";-1" and a nul */
199 if (tmpf)
200 {
201 strcpy(tmpf, file);
202 strcat(tmpf, ";-1");
203 while(delete(tmpf) == 0)
204 ;
205 rename(file,";1"); /* Make sure it's version 1, or we
206 will reach the limit (32767) at
207 some point... */
208 }
209 }
210#endif /* OPENSSL_SYS_VMS */
211
212 fclose(out);
213 OPENSSL_cleanse(buf,BUFSIZE);
214err:
215 return (rand_err ? -1 : ret);
216 }
217
218const char *RAND_file_name(char *buf, size_t size)
219 {
220 char *s=NULL;
221 int ok = 0;
222 struct stat sb;
223
224 if (issetugid() == 0)
225 s=getenv("RANDFILE");
226 if (s != NULL && *s && strlen(s) + 1 < size)
227 {
228 if (strlcpy(buf,s,size) >= size)
229 return NULL;
230 }
231 else
232 {
233 if (issetugid() == 0)
234 s=getenv("HOME");
235#ifdef DEFAULT_HOME
236 if (s == NULL)
237 {
238 s = DEFAULT_HOME;
239 }
240#endif
241 if (s && *s && strlen(s)+strlen(RFILE)+2 < size)
242 {
243 strlcpy(buf,s,size);
244#ifndef OPENSSL_SYS_VMS
245 strlcat(buf,"/",size);
246#endif
247 strlcat(buf,RFILE,size);
248 ok = 1;
249 }
250 else
251 buf[0] = '\0'; /* no file name */
252 }
253
254#ifdef __OpenBSD__
255 /* given that all random loads just fail if the file can't be
256 * seen on a stat, we stat the file we're returning, if it
257 * fails, use /dev/arandom instead. this allows the user to
258 * use their own source for good random data, but defaults
259 * to something hopefully decent if that isn't available.
260 */
261
262 if (!ok)
263 if (strlcpy(buf,"/dev/arandom",size) >= size) {
264 return(NULL);
265 }
266 if (stat(buf,&sb) == -1)
267 if (strlcpy(buf,"/dev/arandom",size) >= size) {
268 return(NULL);
269 }
270
271#endif
272 return(buf);
273 }
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