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use ASN1_MALLOC_ENCODE

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11372 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2002-09-04 16:26:05 +00:00
parent c93497a2e8
commit ddc308c36f
11 changed files with 104 additions and 319 deletions
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28
lib/krb5/get_for_creds.c
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@@ -162,7 +162,8 @@ krb5_get_forwarded_creds (krb5_context context,
KrbCredInfo *krb_cred_info;
EncKrbCredPart enc_krb_cred_part;
size_t len;
u_char buf[1024];
unsigned char *buf;
size_t buf_size;
int32_t sec, usec;
krb5_kdc_flags kdc_flags;
krb5_crypto crypto;
@@ -320,14 +321,15 @@ krb5_get_forwarded_creds (krb5_context context,
/* encode EncKrbCredPart */
ret = krb5_encode_EncKrbCredPart (context,
buf + sizeof(buf) - 1, sizeof(buf),
&enc_krb_cred_part, &len);
ASN1_MALLOC_ENCODE(EncKrbCredPart, buf, buf_size,
&enc_krb_cred_part, &len, ret);
free_EncKrbCredPart (&enc_krb_cred_part);
if (ret) {
free_KRB_CRED(&cred);
return ret;
}
}
if(buf_size != len)
krb5_abortx(context, "internal error in ASN.1 encoder");
if (auth_context->local_subkey)
key = auth_context->local_subkey;
@@ -338,34 +340,32 @@ krb5_get_forwarded_creds (krb5_context context,
ret = krb5_crypto_init(context, key, 0, &crypto);
if (ret) {
free(buf);
free_KRB_CRED(&cred);
return ret;
}
ret = krb5_encrypt_EncryptedData (context,
crypto,
KRB5_KU_KRB_CRED,
buf + sizeof(buf) - len,
buf,
len,
0,
&cred.enc_part);
free(buf);
krb5_crypto_destroy(context, crypto);
if (ret) {
free_KRB_CRED(&cred);
return ret;
}
ret = encode_KRB_CRED (buf + sizeof(buf) - 1, sizeof(buf),
&cred, &len);
ASN1_MALLOC_ENCODE(KRB_CRED, buf, buf_size, &cred, &len, ret);
free_KRB_CRED (&cred);
if (ret)
return ret;
if(buf_size != len)
krb5_abortx(context, "internal error in ASN.1 encoder");
out_data->length = len;
out_data->data = malloc(len);
if (out_data->data == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
memcpy (out_data->data, buf + sizeof(buf) - len, len);
out_data->data = buf;
return 0;
out4:
free_EncKrbCredPart(&enc_krb_cred_part);