libratbox: Clean up uses of strcpy().

libratbox/src/commio.c

@@ -1197,7 +1197,7 @@ inet_ntop4(const unsigned char *src, char *dst, unsigned int size)
 {
 	if(size < 16)
 		return NULL;
-	return strcpy(dst, inetntoa((const char *)src));
+	return rb_strlcpy(dst, inetntoa((const char *)src), size);
 }
 
 /* const char *
@@ -1309,7 +1309,7 @@ inet_ntop6(const unsigned char *src, char *dst, unsigned int size)
 	{
 		return (NULL);
 	}
-	return strcpy(dst, tmp);
+	return rb_strlcpy(dst, tmp, size);
 }
 #endif
 

libratbox/src/crypt.c

@@ -1450,9 +1450,9 @@ __md5_crypt(const char *pw, const char *salt)
 	}
 
 	/* Now make the output string */
-	strcpy(passwd, __md5__magic);
+	rb_strlcpy(passwd, __md5__magic, sizeof(passwd));
 	strncat(passwd, sp, sl);
-	strcat(passwd, "$");
+	rb_strlcat(passwd, "$", sizeof(passwd));
 
 	__md5_Final(final, &ctx);
 

libratbox/src/patricia.c

@@ -71,7 +71,7 @@ prefix_toa2x(rb_prefix_t *prefix, char *buf, int buf_len, int with_len)
 	static char tmp[6];
 	if(prefix == NULL)
 	{
-		strcpy(buf, "(NULL)");
+		rb_strlcpy(buf, "(NULL)", buf_len);
 		return (buf);
 	}
 	inet_ntop(prefix->family, &prefix->add.sin, buf, buf_len);

libratbox/src/ratbox_lib.c

@@ -69,12 +69,6 @@ rb_ctime(const time_t t, char *buf, size_t len)
 #else
 	tp = gmtime(&t);
 #endif
-	if(rb_unlikely(tp == NULL))
-	{
-		strcpy(buf, "");
-		return (buf);
-	}
-
 	if(buf == NULL)
 	{
 		p = timex;
@@ -86,6 +80,12 @@ rb_ctime(const time_t t, char *buf, size_t len)
 		tlen = len;
 	}
 
+	if(rb_unlikely(tp == NULL))
+	{
+		rb_strlcpy(p, "", tlen);
+		return (p);
+	}
+
 	rb_snprintf(p, tlen, "%s %s %d %02u:%02u:%02u %d",
 		    s_weekdays[tp->tm_wday], s_month[tp->tm_mon],
 		    tp->tm_mday, tp->tm_hour, tp->tm_min, tp->tm_sec, tp->tm_year + 1900);