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just get the length of the encoded authenticator instead of trying to

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grow a buffer


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11336 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2002-09-03 15:17:09 +00:00
parent c2aad5b6f5
commit 084816d5ec
1 changed files with 9 additions and 23 deletions
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18
lib/krb5/build_auth.c
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@@ -92,7 +92,7 @@ krb5_build_authenticator (krb5_context context,
auth_context->authenticator->cusec = auth->cusec; auth_context->authenticator->cusec = auth->cusec;
} }
buf_size = 1024; buf_size = length_Authenticator(auth);
buf = malloc (buf_size); buf = malloc (buf_size);
if (buf == NULL) { if (buf == NULL) {
krb5_set_error_string(context, "malloc: out of memory"); krb5_set_error_string(context, "malloc: out of memory");
@@ -100,28 +100,14 @@ krb5_build_authenticator (krb5_context context,
goto fail; goto fail;
} }
do {
ret = krb5_encode_Authenticator (context, ret = krb5_encode_Authenticator (context,
buf + buf_size - 1, buf + buf_size - 1,
buf_size, buf_size,
auth, &len); auth, &len);
if (ret) { if (ret) {
if (ret == ASN1_OVERFLOW) { krb5_set_error_string(context, "internal error in ASN.1 encoder");
u_char *tmp;
buf_size *= 2;
tmp = realloc (buf, buf_size);
if (tmp == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
ret = ENOMEM;
goto fail; goto fail;
} }
buf = tmp;
} else {
goto fail;
}
}
} while(ret == ASN1_OVERFLOW);
ret = krb5_crypto_init(context, &cred->session, enctype, &crypto); ret = krb5_crypto_init(context, &cred->session, enctype, &crypto);
if (ret) if (ret)