uri: fix e164_check overflow checking

razvancrainea · razvancrainea · commit 0a642c5e8ba3 · 2016-01-18T19:32:07.000+02:00
Reported by @ferrored on github Closes OpenSIPS#762 (cherry picked from commit 70e5a65)
diff --git a/modules/uri/checks.c b/modules/uri/checks.c
@@ -349,7 +349,7 @@ static inline int e164_check(str* _user)
     char c;
 
     if ((_user->len > 2) && (_user->len < 17) && ((_user->s)[0] == '+')) {
-	for (i = 1; i <= _user->len; i++) {
+	for (i = 1; i < _user->len; i++) {
 	    c = (_user->s)[i];
 	    if (c < '0' || c > '9') return -1;
 	}

Original file line number	Diff line number	Diff line change
`@@ -349,7 +349,7 @@ static inline int e164_check(str* _user)`
`349`	`349`	`char c;`
`350`	`350`
`351`	`351`	`if ((_user->len > 2) && (_user->len < 17) && ((_user->s)[0] == '+')) {`
`352`		`- for (i = 1; i <= _user->len; i++) {`
	`352`	`+ for (i = 1; i < _user->len; i++) {`
`353`	`353`	`c = (_user->s)[i];`
`354`	`354`	`if (c < '0' \|\| c > '9') return -1;`
`355`	`355`	`}`