From df817340df65abd116e6f9d49a3a32b4d1c0d470 Mon Sep 17 00:00:00 2001
From: Daniel-Constantin Mierla <miconda@gmail.com>
Date: Fri, 20 Jul 2018 17:59:36 +0200
Subject: [PATCH] pv: using * for header name matches any header for $hdr(name)

- e.g., $hdr(*) is body of first header, $(hdr(*)[-1]) is body of last
header
---
 src/modules/pv/pv_core.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/src/modules/pv/pv_core.c b/src/modules/pv/pv_core.c
index 8957098895d..65e9491b936 100644
--- a/src/modules/pv/pv_core.c
+++ b/src/modules/pv/pv_core.c
@@ -1900,6 +1900,8 @@ int pv_get_hdr(struct sip_msg *msg,  pv_param_t *param, pv_value_t *res)
 			if (tv.ri==hf->type)
 				break;
 		} else {
+			if(tv.rs.len==1 && tv.rs.s[0]=='*')
+				break;
 			if (cmp_hdrname_str(&hf->name, &tv.rs)==0)
 				break;
 		}
@@ -1953,8 +1955,10 @@ int pv_get_hdr(struct sip_msg *msg,  pv_param_t *param, pv_value_t *res)
 					if (tv.ri==hf->type)
 						break;
 				} else {
+					if(tv.rs.len==1 && tv.rs.s[0]=='*')
+						break;
 					if (cmp_hdrname_str(&hf->name, &tv.rs)==0)
-					break;
+						break;
 				}
 			}
 		} while (hf);
@@ -1976,8 +1980,11 @@ int pv_get_hdr(struct sip_msg *msg,  pv_param_t *param, pv_value_t *res)
 				if (tv.ri==hf0->type)
 					n++;
 			} else {
-				if (cmp_hdrname_str(&hf0->name, &tv.rs)==0)
+				if(tv.rs.len==1 && tv.rs.s[0]=='*') {
 					n++;
+				} else if (cmp_hdrname_str(&hf0->name, &tv.rs)==0) {
+					n++;
+				}
 			}
 		}
 		idx = -idx;
@@ -2003,8 +2010,11 @@ int pv_get_hdr(struct sip_msg *msg,  pv_param_t *param, pv_value_t *res)
 				if (tv.ri==hf0->type)
 					n++;
 			} else {
-				if (cmp_hdrname_str(&hf0->name, &tv.rs)==0)
+				if(tv.rs.len==1 && tv.rs.s[0]=='*') {
+					n++;
+				} else if (cmp_hdrname_str(&hf0->name, &tv.rs)==0) {
 					n++;
+				}
 			}
 			if(n==idx)
 				break;
@@ -3114,6 +3124,14 @@ int pv_parse_hdr_name(pv_spec_p sp, str *in)
 		return 0;
 	}
 
+	if(in->len==1 && in->s[0]=='*') {
+		/* match any header name */
+		sp->pvp.pvn.type = PV_NAME_INTSTR;
+		sp->pvp.pvn.u.isname.type = AVP_NAME_STR;
+		sp->pvp.pvn.u.isname.name.s = *in;
+		return 0;
+	}
+
 	if(in->len>=pv_get_buffer_size()-1)
 	{
 		LM_ERR("name too long\n");