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authorPatrick McHardy <kaber@trash.net>2008-03-25 20:18:57 -0700
committerDavid S. Miller <davem@davemloft.net>2008-03-25 20:18:57 -0700
commitea45f12a2766dae54e5426a23e8f4bafdbe2782e (patch)
treeeb3096bee1e0053c545424f9cea5d0c91b114fe4 /include
parentac3677406d4e36e86b1eb5a453997a3b3e0c089a (diff)
[NETFILTER]: nf_conntrack_sip: parse SIP headers properly
Introduce new function for SIP header parsing that properly deals with continuation lines and whitespace in headers and use it. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter/nf_conntrack_sip.h30
1 files changed, 15 insertions, 15 deletions
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index 480b26f40ce..ccc70142296 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -5,14 +5,6 @@
#define SIP_PORT 5060
#define SIP_TIMEOUT 3600
-enum sip_header_pos {
- POS_FROM,
- POS_TO,
- POS_VIA,
- POS_CONTACT,
- POS_CONTENT,
-};
-
struct sip_header {
const char *name;
const char *cname;
@@ -36,9 +28,20 @@ struct sip_header {
.match_len = (__match), \
}
+#define SIP_HDR(__name, __cname, __search, __match) \
+ __SIP_HDR(__name, __cname, __search, __match)
+
#define SDP_HDR(__name, __search, __match) \
__SIP_HDR(__name, NULL, __search, __match)
+enum sip_header_types {
+ SIP_HDR_FROM,
+ SIP_HDR_TO,
+ SIP_HDR_CONTACT,
+ SIP_HDR_VIA,
+ SIP_HDR_CONTENT_LENGTH,
+};
+
enum sdp_header_types {
SDP_HDR_UNSPEC,
SDP_HDR_VERSION,
@@ -60,13 +63,10 @@ extern unsigned int (*nf_nat_sdp_hook)(struct sk_buff *skb,
extern int ct_sip_parse_request(const struct nf_conn *ct,
const char *dptr, unsigned int datalen,
unsigned int *matchoff, unsigned int *matchlen);
-extern int ct_sip_get_info(const struct nf_conn *ct, const char *dptr,
- size_t dlen, unsigned int *matchoff,
- unsigned int *matchlen, enum sip_header_pos pos);
-extern int ct_sip_lnlen(const char *line, const char *limit);
-extern const char *ct_sip_search(const char *needle, const char *haystack,
- size_t needle_len, size_t haystack_len,
- int case_sensitive);
+extern int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
+ unsigned int dataoff, unsigned int datalen,
+ enum sip_header_types type,
+ unsigned int *matchoff, unsigned int *matchlen);
extern int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr,
unsigned int dataoff, unsigned int datalen,