[sr-dev] git:master: siputils: new function is_tel_number(val)

[Daniel-Constantin Mierla]

Module: sip-router
Branch: master
Commit: 42f431bc4ceefa32e044750ef60cf600f11fda25
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=42f431bc4ceefa32e044750ef60cf600f11fda25

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date:   Wed Dec 10 16:12:11 2014 +0100

siputils: new function is_tel_number(val)

- returns true if the parameter is a telephone number (optional leading
  + followed by digits)
- the parameter can contain variables

---

 modules/siputils/checks.c   |   29 +++++++++++++++++++++++++++++
 modules/siputils/checks.h   |    5 +++++
 modules/siputils/siputils.c |    2 ++
 3 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/modules/siputils/checks.c b/modules/siputils/checks.c
index 4cc3afd..fab644d 100644
--- a/modules/siputils/checks.c
+++ b/modules/siputils/checks.c
@@ -52,6 +52,7 @@
 #include "../../pvar.h"
 #include "../../lvalue.h"
 #include "../../sr_module.h"
+#include "../../mod_fix.h"
 #include "checks.h"
 
 /**
@@ -725,3 +726,31 @@ found:
 	return 1;
 }
 
+
+/*
+ * Check if the parameter is a valid telephone number
+ * - optional leading + followed by digits only
+ */
+int is_tel_number(sip_msg_t *msg, char *_sp, char* _s2)
+{
+    str tval = {0, 0};
+    int i;
+
+    if(fixup_get_svalue(msg, (gparam_t*)_sp, &tval)!=0)
+	{
+		LM_ERR("cannot get parameter value\n");
+		return -1;
+	}
+	if(tval.len<=0)
+		return -2;
+
+	i = 0;
+	if(tval.s[i]=='+') i++;
+
+	for(; i<tval.len; i++) {
+		if(tval.s[i]<'0' || tval.s[i]>'9')
+			return -2;
+	}
+
+	return 1;
+}
diff --git a/modules/siputils/checks.h b/modules/siputils/checks.h
index bc1a99a..dcc45b8 100644
--- a/modules/siputils/checks.h
+++ b/modules/siputils/checks.h
@@ -117,4 +117,9 @@ int w_is_reply(struct sip_msg* msg, char *foo, char *bar);
  */
 int get_uri_param(struct sip_msg* _msg, char* _param, char* _value);
 
+/*
+ * Check if parameter value has a telephone number format
+ */
+int is_tel_number(sip_msg_t *msg, char *_sp, char* _s2);
+
 #endif /* CHECKS_H */
diff --git a/modules/siputils/siputils.c b/modules/siputils/siputils.c
index 4ae73b0..076c049 100644
--- a/modules/siputils/siputils.c
+++ b/modules/siputils/siputils.c
@@ -175,6 +175,8 @@ static cmd_export_t cmds[]={
 		0, ANY_ROUTE},
 	{"is_first_hop",  (cmd_function)w_is_first_hop,                    0, 0,
 		0, ANY_ROUTE},
+	{"is_tel_number", (cmd_function)is_tel_number,           1, fixup_spve_null,
+		0, ANY_ROUTE},
 	{0,0,0,0,0,0}
 };