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Merge remote-tracking branch 'trevp/pemfix' into trev-pem-fix

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This commit is contained in:
Ben Laurie 2013-09-20 14:39:33 +01:00 committed by Trevor Perrin
parent 7560f63909
commit 4f8a706dc7
3 changed files with 22 additions and 9 deletions
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3
doc/ssl/SSL_CTX_use_serverinfo.pod
View file

@ -27,7 +27,8 @@ a 2-byte length, and then length bytes of extension_data.
SSL_CTX_use_serverinfo_file() loads one or more serverinfo extensions from
B<file> into B<ctx>. The extensions must be in PEM format. Each extension
must consist of a 2-byte Extension Type, a 2-byte length, and then length
bytes of extension_data.
bytes of extension_data. Each PEM extension name must begin with the phrase
"BEGIN SERVERINFO FOR ".
=head1 NOTES

12
ssl/ssl_rsa.c
View file

@ -1206,6 +1206,7 @@ int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
long extension_length = 0;
char* name = NULL;
char* header = NULL;
char namePrefix[] = "SERVERINFO FOR ";
int ret = 0;
BIO *bin = NULL;
size_t num_extensions = 0;
@ -1241,6 +1242,17 @@ int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
else /* End of file, we're done */
break;
}
/* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
if (strlen(name) < strlen(namePrefix))
{
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_PEM_LIB);
goto end;
}
if (strncmp(name, namePrefix, strlen(namePrefix)) != 0)
{
SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_PEM_LIB);
goto end;
}
/* Check that the decoded PEM data is plausible (valid length field) */
if (extension_length < 4 || (extension[2] << 8) + extension[3] != extension_length - 4)
{

8
test/serverinfo.pem
View file

@ -1,10 +1,10 @@
-----BEGIN SCT-----
-----BEGIN SERVERINFO FOR CT-----
ABIAZMevsj4TC5rgwjZNciLGwh15YXoIK9t5aypGJIG4QzyMowmwwDdqxudkUcGa
DvuqlYL7psO5j4/BIHTe677CAZBBH3Ho2NOM5q1zub4AbfUMlKeufuQgeQ2Tj1oe
LJLRzrwDnPs=
-----END SCT-----
-----END SERVERINFO FOR CT-----
-----BEGIN TACK EXTENSION-----
-----BEGIN SERVERINFO FOR TACK-----
8wABTwFMh1Dz+3W6zULWJKjav5TNaFEXL1h98YtCXeyZnORYg4mbKpxH5CMbjpgx
To3amSqUPF4Ntjc/i9+poutxebYkbgAAAkMcxb8+RaM9YEywaJEGViKJJmpYG/gJ
HgfGaefI9kKbXSDmP9ntg8dLvDzuyYw14ktM2850Q9WvBiltpekilZxVuT2bFtfs
@ -13,4 +13,4 @@ ffGLQl3smZzkWIOJmyqcR+QjG46YMU6N2pkqlDxeDbY3P4vfqaLrcXm2JG4AAAGN
xXQJPbdniI9rEydVXb1Cu1yT/t7FBEx6hLxuoypXjCI1wCGpXsd8zEnloR0Ank5h
VO/874E/BZlItzSPpcmDKl5Def6BrAJTErQlE9npo52S05YWORxJw1+VYBdqQ09A
x3wA
-----END TACK EXTENSION-----
-----END SERVERINFO FOR TACK-----