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authorcvs2svn <admin@example.com>2004-03-22 14:57:04 +0000
committercvs2svn <admin@example.com>2004-03-22 14:57:04 +0000
commit8e32b76f8c63e27a8c61f3e7d76a05ce1f419061 (patch)
tree03dad5c33d913f60f2a0a8df81dfdfb65788c5d9 /src/lib/libcrypto/rand
parentc051a3c4a24fa90cc755059f99d5c2e7131d5ca7 (diff)
downloadopenbsd-OPENBSD_3_5_BASE.tar.gz
openbsd-OPENBSD_3_5_BASE.tar.bz2
openbsd-OPENBSD_3_5_BASE.zip
This commit was manufactured by cvs2git to create tag 'OPENBSD_3_5_BASE'.OPENBSD_3_5_BASE
Diffstat (limited to 'src/lib/libcrypto/rand')
-rw-r--r--src/lib/libcrypto/rand/rand.h133
-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/randfile.c273
4 files changed, 0 insertions, 677 deletions
diff --git a/src/lib/libcrypto/rand/rand.h b/src/lib/libcrypto/rand/rand.h
deleted file mode 100644
index 606382dd21..0000000000
--- a/src/lib/libcrypto/rand/rand.h
+++ /dev/null
@@ -1,133 +0,0 @@
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_err.c b/src/lib/libcrypto/rand/rand_err.c
deleted file mode 100644
index b77267e213..0000000000
--- a/src/lib/libcrypto/rand/rand_err.c
+++ /dev/null
@@ -1,95 +0,0 @@
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
deleted file mode 100644
index 513e338985..0000000000
--- a/src/lib/libcrypto/rand/rand_lib.c
+++ /dev/null
@@ -1,176 +0,0 @@
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/randfile.c b/src/lib/libcrypto/rand/randfile.c
deleted file mode 100644
index cfbec2ac1f..0000000000
--- a/src/lib/libcrypto/rand/randfile.c
+++ /dev/null
@@ -1,273 +0,0 @@
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 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-21 09:08:00 +0000