MINOR: http: smp_fetch_capture_header_* fetch captured headers
Allows you to fetch a captured header content with capture.res.hdr()
and capture.req.hdr().
diff --git a/src/proto_http.c b/src/proto_http.c
index 95fb870..1484e13 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -9646,6 +9646,58 @@
return NULL;
}
+/* Fetch a captured HTTP request header. The index is the position of
+ * the "capture" option in the configuration file
+ */
+static int
+smp_fetch_capture_header_req(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
+ const struct arg *args, struct sample *smp, const char *kw)
+{
+ struct proxy *fe = l4->fe;
+ struct http_txn *txn = l7;
+ int idx;
+
+ if (!args || args->type != ARGT_UINT)
+ return 0;
+
+ idx = args->data.uint;
+
+ if (idx > (fe->nb_req_cap - 1) || txn->req.cap == NULL || txn->req.cap[idx] == NULL)
+ return 0;
+
+ smp->type = SMP_T_CSTR;
+ smp->data.str.str = txn->req.cap[idx];
+ smp->data.str.len = strlen(txn->req.cap[idx]);
+
+ return 1;
+}
+
+/* Fetch a captured HTTP response header. The index is the position of
+ * the "capture" option in the configuration file
+ */
+static int
+smp_fetch_capture_header_res(struct proxy *px, struct session *l4, void *l7, unsigned int opt,
+ const struct arg *args, struct sample *smp, const char *kw)
+{
+ struct proxy *fe = l4->fe;
+ struct http_txn *txn = l7;
+ int idx;
+
+ if (!args || args->type != ARGT_UINT)
+ return 0;
+
+ idx = args->data.uint;
+
+ if (idx > (fe->nb_rsp_cap - 1) || txn->rsp.cap == NULL || txn->rsp.cap[idx] == NULL)
+ return 0;
+
+ smp->type = SMP_T_CSTR;
+ smp->data.str.str = txn->rsp.cap[idx];
+ smp->data.str.len = strlen(txn->rsp.cap[idx]);
+
+ return 1;
+}
+
/* Iterate over all cookies present in a message. The context is stored in
* smp->ctx.a[0] for the in-header position, smp->ctx.a[1] for the
* end-of-header-value, and smp->ctx.a[2] for the hdr_ctx. Depending on
@@ -10204,6 +10256,10 @@
{ "base32", smp_fetch_base32, 0, NULL, SMP_T_UINT, SMP_USE_HRQHV },
{ "base32+src", smp_fetch_base32_src, 0, NULL, SMP_T_BIN, SMP_USE_HRQHV },
+ /* capture are allocated and are permanent in the session */
+ { "capture.req.hdr", smp_fetch_capture_header_req, ARG1(1, UINT), NULL, SMP_T_CSTR, SMP_USE_HRQHP },
+ { "capture.res.hdr", smp_fetch_capture_header_res, ARG1(1, UINT), NULL, SMP_T_CSTR, SMP_USE_HRSHP },
+
/* cookie is valid in both directions (eg: for "stick ...") but cook*
* are only here to match the ACL's name, are request-only and are used
* for ACL compatibility only.