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Disable SSLv2 by default as it is insecure.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@28336 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2009-06-09 08:32:16 +00:00
parent ed902f9bcf
commit e069bb1b23
3 changed files with 35 additions and 1 deletions
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29
SSL/GSSSLHandle.m
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@ -122,11 +122,21 @@ sslError(int err)
PEMpasswd: (NSString*)PEMpasswd;
@end
static BOOL permitSSLv2 = NO;
@implementation GSSSLHandle
+ (void) _defaultsChanged: (NSNotification*)n
{
permitSSLv2
= [[NSUserDefaults standardUserDefaults] boolForKey: @"GSPermitSSLv2"];
}
+ (void) initialize
{
if (self == [GSSSLHandle class])
{
NSUserDefaults *defs;
SSL_library_init();
/*
@ -140,6 +150,13 @@ sslError(int err)
inf = [[[NSProcessInfo processInfo] globallyUniqueString] UTF8String];
RAND_seed(inf, strlen(inf));
}
defs = [NSUserDefaults standardUserDefaults];
permitSSLv2 = [defs boolForKey: @"GSPermitSSLv2"];
[[NSNotificationCenter defaultCenter]
addObserver: self
selector: @selector(_defaultsChanged:)
name: NSUserDefaultsDidChangeNotification
object: nil];
}
}
@ -186,6 +203,10 @@ sslError(int err)
if (ctx == 0)
{
ctx = SSL_CTX_new(SSLv23_server_method());
if (permitSSLv2 == NO)
{
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2);
}
}
if (ssl == 0)
{
@ -288,6 +309,10 @@ sslError(int err)
if (ctx == 0)
{
ctx = SSL_CTX_new(SSLv23_client_method());
if (permitSSLv2 == NO)
{
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2);
}
}
if (ssl == 0)
{
@ -405,6 +430,10 @@ sslError(int err)
if (ctx == 0)
{
ctx = SSL_CTX_new(SSLv23_method());
if (permitSSLv2 == NO)
{
SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2);
}
}
if ([PEMpasswd length] > 0)
{