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| author | Ondrej Zajicek <santiago@crfreenet.org> | 2009-08-25 19:01:37 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2009-08-25 19:01:37 +0200 |
| commit | 949bd34e81ee99370decdabefa51c9c11ffe915b (patch) | |
| tree | 0b1235cf3aeebdf0f161d2782a66d9fc7d4d7369 | |
| parent | a0c405501fa6a0df8472f1598256e725cec753fd (diff) | |
Fixes bug related to AS2->AS4 conversion.
| -rw-r--r-- | nest/a-path.c | 6 | ||||
| -rw-r--r-- | nest/attrs.h | 1 | ||||
| -rw-r--r-- | proto/bgp/attrs.c | 2 |
3 files changed, 8 insertions, 1 deletions
diff --git a/nest/a-path.c b/nest/a-path.c index dba214d2..0a4bf829 100644 --- a/nest/a-path.c +++ b/nest/a-path.c @@ -188,6 +188,12 @@ int as_path_getlen(struct adata *path) { int bs = bgp_as4_support ? 4 : 2; + return as_path_getlen_int(path, bs); +} + +int +as_path_getlen_int(struct adata *path, int bs) +{ int res = 0; u8 *p = path->data; u8 *q = p+path->length; diff --git a/nest/attrs.h b/nest/attrs.h index b838ce96..eee6b378 100644 --- a/nest/attrs.h +++ b/nest/attrs.h @@ -28,6 +28,7 @@ int as_path_convert_to_old(struct adata *path, byte *dst, int *new_used); int as_path_convert_to_new(struct adata *path, byte *dst, int req_as); void as_path_format(struct adata *path, byte *buf, unsigned int size); int as_path_getlen(struct adata *path); +int as_path_getlen_int(struct adata *path, int bs); int as_path_get_first(struct adata *path, u32 *orig_as); int as_path_get_last(struct adata *path, u32 *last_as); int as_path_is_member(struct adata *path, u32 as); diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c index 68f21b97..bf976a6e 100644 --- a/proto/bgp/attrs.c +++ b/proto/bgp/attrs.c @@ -1189,7 +1189,7 @@ bgp_reconstruct_4b_atts(struct bgp_proto *p, rta *a, struct linpool *pool) if (a4) log(L_WARN "%s: AS4_AGGREGATOR attribute received, but AGGREGATOR attribute is missing", p->p.name); - int p2_len = as_path_getlen(p2->u.ptr); + int p2_len = as_path_getlen_int(p2->u.ptr, 2); int p4_len = p4 ? validate_as4_path(p, p4->u.ptr) : -1; if (p4 && (p4_len < 0)) |