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Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <[email protected]>
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@@ -5,21 +5,21 @@ | |
* This package is an SSL implementation written | ||
* by Eric Young ([email protected]). | ||
* The implementation was written so as to conform with Netscapes SSL. | ||
* | ||
* | ||
* This library is free for commercial and non-commercial use as long as | ||
* the following conditions are aheared to. The following conditions | ||
* apply to all code found in this distribution, be it the RC4, RSA, | ||
* lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
* included with this distribution is covered by the same copyright terms | ||
* except that the holder is Tim Hudson ([email protected]). | ||
* | ||
* | ||
* Copyright remains Eric Young's, and as such any Copyright notices in | ||
* the code are not to be removed. | ||
* If this package is used in a product, Eric Young should be given attribution | ||
* as the author of the parts of the library used. | ||
* This can be in the form of a textual message at program startup or | ||
* in documentation (online or textual) provided with the package. | ||
* | ||
* | ||
* Redistribution and use in source and binary forms, with or without | ||
* modification, are permitted provided that the following conditions | ||
* are met: | ||
|
@@ -34,10 +34,10 @@ | |
* Eric Young ([email protected])" | ||
* The word 'cryptographic' can be left out if the rouines from the library | ||
* being used are not cryptographic related :-). | ||
* 4. If you include any Windows specific code (or a derivative thereof) from | ||
* 4. If you include any Windows specific code (or a derivative thereof) from | ||
* the apps directory (application code) you must include an acknowledgement: | ||
* "This product includes software written by Tim Hudson ([email protected])" | ||
* | ||
* | ||
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
|
@@ -49,7 +49,7 @@ | |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
* SUCH DAMAGE. | ||
* | ||
* | ||
* The licence and distribution terms for any publically available version or | ||
* derivative of this code cannot be changed. i.e. this code cannot simply be | ||
* copied and put under another distribution licence | ||
|
@@ -63,7 +63,7 @@ | |
* are met: | ||
* | ||
* 1. Redistributions of source code must retain the above copyright | ||
* notice, this list of conditions and the following disclaimer. | ||
* notice, this list of conditions and the following disclaimer. | ||
* | ||
* 2. Redistributions in binary form must reproduce the above copyright | ||
* notice, this list of conditions and the following disclaimer in | ||
|
@@ -115,104 +115,106 @@ | |
#include <openssl/bio.h> | ||
#include <openssl/rand.h> | ||
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static int seeded = 0; | ||
static int egdsocket = 0; | ||
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int app_RAND_load_file(const char *file, BIO *bio_e, int dont_warn) | ||
{ | ||
int consider_randfile = (file == NULL); | ||
char buffer[200]; | ||
{ | ||
int consider_randfile = (file == NULL); | ||
char buffer[200]; | ||
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#ifdef OPENSSL_SYS_WINDOWS | ||
BIO_printf(bio_e,"Loading 'screen' into random state -"); | ||
BIO_flush(bio_e); | ||
RAND_screen(); | ||
BIO_printf(bio_e," done\n"); | ||
BIO_printf(bio_e, "Loading 'screen' into random state -"); | ||
BIO_flush(bio_e); | ||
RAND_screen(); | ||
BIO_printf(bio_e, " done\n"); | ||
#endif | ||
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if (file == NULL) | ||
file = RAND_file_name(buffer, sizeof buffer); | ||
else if (RAND_egd(file) > 0) | ||
{ | ||
/* we try if the given filename is an EGD socket. | ||
if it is, we don't write anything back to the file. */ | ||
egdsocket = 1; | ||
return 1; | ||
} | ||
if (file == NULL || !RAND_load_file(file, -1)) | ||
{ | ||
if (RAND_status() == 0) | ||
{ | ||
if (!dont_warn) | ||
{ | ||
BIO_printf(bio_e,"unable to load 'random state'\n"); | ||
BIO_printf(bio_e,"This means that the random number generator has not been seeded\n"); | ||
BIO_printf(bio_e,"with much random data.\n"); | ||
if (consider_randfile) /* explanation does not apply when a file is explicitly named */ | ||
{ | ||
BIO_printf(bio_e,"Consider setting the RANDFILE environment variable to point at a file that\n"); | ||
BIO_printf(bio_e,"'random' data can be kept in (the file will be overwritten).\n"); | ||
} | ||
} | ||
return 0; | ||
} | ||
} | ||
seeded = 1; | ||
return 1; | ||
} | ||
if (file == NULL) | ||
file = RAND_file_name(buffer, sizeof buffer); | ||
else if (RAND_egd(file) > 0) { | ||
/* | ||
* we try if the given filename is an EGD socket. if it is, we don't | ||
* write anything back to the file. | ||
*/ | ||
egdsocket = 1; | ||
return 1; | ||
} | ||
if (file == NULL || !RAND_load_file(file, -1)) { | ||
if (RAND_status() == 0) { | ||
if (!dont_warn) { | ||
BIO_printf(bio_e, "unable to load 'random state'\n"); | ||
BIO_printf(bio_e, | ||
"This means that the random number generator has not been seeded\n"); | ||
BIO_printf(bio_e, "with much random data.\n"); | ||
if (consider_randfile) { /* explanation does not apply when a | ||
* file is explicitly named */ | ||
BIO_printf(bio_e, | ||
"Consider setting the RANDFILE environment variable to point at a file that\n"); | ||
BIO_printf(bio_e, | ||
"'random' data can be kept in (the file will be overwritten).\n"); | ||
} | ||
} | ||
return 0; | ||
} | ||
} | ||
seeded = 1; | ||
return 1; | ||
} | ||
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long app_RAND_load_files(char *name) | ||
{ | ||
char *p,*n; | ||
int last; | ||
long tot=0; | ||
int egd; | ||
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for (;;) | ||
{ | ||
last=0; | ||
for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++); | ||
if (*p == '\0') last=1; | ||
*p='\0'; | ||
n=name; | ||
name=p+1; | ||
if (*n == '\0') break; | ||
{ | ||
char *p, *n; | ||
int last; | ||
long tot = 0; | ||
int egd; | ||
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egd=RAND_egd(n); | ||
if (egd > 0) | ||
tot+=egd; | ||
else | ||
tot+=RAND_load_file(n,-1); | ||
if (last) break; | ||
} | ||
if (tot > 512) | ||
app_RAND_allow_write_file(); | ||
return(tot); | ||
} | ||
for (;;) { | ||
last = 0; | ||
for (p = name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++) ; | ||
if (*p == '\0') | ||
last = 1; | ||
*p = '\0'; | ||
n = name; | ||
name = p + 1; | ||
if (*n == '\0') | ||
break; | ||
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egd = RAND_egd(n); | ||
if (egd > 0) | ||
tot += egd; | ||
else | ||
tot += RAND_load_file(n, -1); | ||
if (last) | ||
break; | ||
} | ||
if (tot > 512) | ||
app_RAND_allow_write_file(); | ||
return (tot); | ||
} | ||
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int app_RAND_write_file(const char *file, BIO *bio_e) | ||
{ | ||
char buffer[200]; | ||
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if (egdsocket || !seeded) | ||
/* If we did not manage to read the seed file, | ||
* we should not write a low-entropy seed file back -- | ||
* it would suppress a crucial warning the next time | ||
* we want to use it. */ | ||
return 0; | ||
{ | ||
char buffer[200]; | ||
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if (egdsocket || !seeded) | ||
/* | ||
* If we did not manage to read the seed file, we should not write a | ||
* low-entropy seed file back -- it would suppress a crucial warning | ||
* the next time we want to use it. | ||
*/ | ||
return 0; | ||
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if (file == NULL) | ||
file = RAND_file_name(buffer, sizeof buffer); | ||
if (file == NULL || !RAND_write_file(file)) | ||
{ | ||
BIO_printf(bio_e,"unable to write 'random state'\n"); | ||
return 0; | ||
} | ||
return 1; | ||
} | ||
if (file == NULL) | ||
file = RAND_file_name(buffer, sizeof buffer); | ||
if (file == NULL || !RAND_write_file(file)) { | ||
BIO_printf(bio_e, "unable to write 'random state'\n"); | ||
return 0; | ||
} | ||
return 1; | ||
} | ||
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void app_RAND_allow_write_file(void) | ||
{ | ||
seeded = 1; | ||
} | ||
{ | ||
seeded = 1; | ||
} |
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