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Diffstat (limited to 'src/libimcv/ietf/ietf_attr_fwd_enabled.c')
-rw-r--r--src/libimcv/ietf/ietf_attr_fwd_enabled.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/src/libimcv/ietf/ietf_attr_fwd_enabled.c b/src/libimcv/ietf/ietf_attr_fwd_enabled.c
index a906b2258..c00a5efc2 100644
--- a/src/libimcv/ietf/ietf_attr_fwd_enabled.c
+++ b/src/libimcv/ietf/ietf_attr_fwd_enabled.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2012 Andreas Steffen
+ * Copyright (C) 2012-2014 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
@@ -50,7 +50,12 @@ struct private_ietf_attr_fwd_enabled_t {
pen_type_t type;
/**
- * Attribute value
+ * Length of attribute value
+ */
+ size_t length;
+
+ /**
+ * Attribute value or segment
*/
chunk_t value;
@@ -107,6 +112,7 @@ METHOD(pa_tnc_attr_t, build, void,
writer->write_uint32(writer, this->fwd_status);
this->value = writer->extract_buf(writer);
+ this->length = this->value.len;
writer->destroy(writer);
}
@@ -118,6 +124,10 @@ METHOD(pa_tnc_attr_t, process, status_t,
*offset = 0;
+ if (this->value.len < this->length)
+ {
+ return NEED_MORE;
+ }
if (this->value.len != FORWARDING_ENABLED_SIZE)
{
DBG1(DBG_TNC, "incorrect size for IETF forwarding enabled attribute");
@@ -138,6 +148,12 @@ METHOD(pa_tnc_attr_t, process, status_t,
return SUCCESS;
}
+METHOD(pa_tnc_attr_t, add_segment, void,
+ private_ietf_attr_fwd_enabled_t *this, chunk_t segment)
+{
+ this->value = chunk_cat("mc", this->value, segment);
+}
+
METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
private_ietf_attr_fwd_enabled_t *this)
{
@@ -177,6 +193,7 @@ pa_tnc_attr_t *ietf_attr_fwd_enabled_create(os_fwd_status_t fwd_status)
.set_noskip_flag = _set_noskip_flag,
.build = _build,
.process = _process,
+ .add_segment = _add_segment,
.get_ref = _get_ref,
.destroy = _destroy,
},
@@ -193,7 +210,8 @@ pa_tnc_attr_t *ietf_attr_fwd_enabled_create(os_fwd_status_t fwd_status)
/**
* Described in header.
*/
-pa_tnc_attr_t *ietf_attr_fwd_enabled_create_from_data(chunk_t data)
+pa_tnc_attr_t *ietf_attr_fwd_enabled_create_from_data(size_t length,
+ chunk_t data)
{
private_ietf_attr_fwd_enabled_t *this;
@@ -206,12 +224,14 @@ pa_tnc_attr_t *ietf_attr_fwd_enabled_create_from_data(chunk_t data)
.set_noskip_flag = _set_noskip_flag,
.build = _build,
.process = _process,
+ .add_segment = _add_segment,
.get_ref = _get_ref,
.destroy = _destroy,
},
.get_status = _get_status,
},
.type = { PEN_IETF, IETF_ATTR_FORWARDING_ENABLED },
+ .length = length,
.value = chunk_clone(data),
.ref = 1,
);