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s4-gensec Don't give more to sasl_encode() than it will permit

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We need to ask the library how much data to pass in at any time.

Andrew Bartlett

Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Tue Oct 19 08:37:45 UTC 2010 on sn-devel-104
This commit is contained in:
Andrew Bartlett 2010-10-19 17:12:35 +11:00
parent 15a3077885
commit 73d6bb7447
1 changed files with 10 additions and 3 deletions
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13
source4/auth/gensec/cyrus_sasl.c
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@ -263,10 +263,17 @@ static NTSTATUS gensec_sasl_wrap_packets(struct gensec_security *gensec_security
struct gensec_sasl_state);
const char *out_data;
unsigned int out_len;
unsigned len_permitted;
int sasl_ret = sasl_getprop(gensec_sasl_state->conn, SASL_SSF,
(const void**)&len_permitted);
if (sasl_ret != SASL_OK) {
return sasl_nt_status(sasl_ret);
}
len_permitted = MIN(len_permitted, in->length);
int sasl_ret = sasl_encode(gensec_sasl_state->conn,
(char*)in->data, in->length, &out_data,
&out_len);
sasl_ret = sasl_encode(gensec_sasl_state->conn,
(char*)in->data, len_permitted, &out_data,
&out_len);
if (sasl_ret == SASL_OK) {
*out = data_blob_talloc(out_mem_ctx, out_data, out_len);
*len_processed = in->length;