From 6fb8fae27c6642fe33c6f9db6139b3c834145ac3 Mon Sep 17 00:00:00 2001 From: Rob Landley Date: Sat, 2 Nov 2013 11:07:25 -0500 Subject: Cleanup vconfig. --- toys/other/vconfig.c | 75 ++++++++++++++++++++-------------------------------- 1 file changed, 29 insertions(+), 46 deletions(-) (limited to 'toys/other') diff --git a/toys/other/vconfig.c b/toys/other/vconfig.c index 18225fc4..f84728d9 100644 --- a/toys/other/vconfig.c +++ b/toys/other/vconfig.c @@ -1,8 +1,9 @@ /* vconfig.c - Creates virtual ethernet devices. * - * Copyright 2012 Sandeep Sharma , Kyungwan Han + * Copyright 2012 Sandeep Sharma + * Copyright 2012 Kyungwan Han * - * Not in SUSv4. + * No standard USE_VCONFIG(NEWTOY(vconfig, "<2>4", TOYFLAG_NEEDROOT|TOYFLAG_SBIN)) @@ -26,24 +27,17 @@ config VCONFIG #include "toynet.h" #include #include -/* - * convert str to long within given range - */ -static int strtol_range(char *str, int min, int max) + +static int strtorange(char *str, int min, int max) { - char *endptr = NULL; - errno = 0; - long ret_value = strtol(str, &endptr, 10); + char *end = 0; + long val = strtol(str, &end, 10); + + if (end && *end && end != str && val >= min && val <= max) return val; - if(errno) perror_exit("Invalid num %s", str); - else if(endptr && (*endptr != '\0' || endptr == str)) - perror_exit("Not a valid num %s", str); - if(ret_value >= min && ret_value <= max) return ret_value; - else perror_exit("Number %s is not in valid [%d-%d] Range\n", str, min, max); + perror_exit("%s not %d-%d\n", str, min, max); } -/* - * vconfig main function. - */ + void vconfig_main(void) { #define MAX_VLAN_ID 4094 @@ -60,17 +54,13 @@ void vconfig_main(void) if(strcmp(cmd, "set_name_type") == 0) { if(strcmp(toys.optargs[1], "VLAN_PLUS_VID") == 0) { name_type = VLAN_NAME_TYPE_PLUS_VID; - } - else if(strcmp(toys.optargs[1], "VLAN_PLUS_VID_NO_PAD") == 0) { + } else if(strcmp(toys.optargs[1], "VLAN_PLUS_VID_NO_PAD") == 0) { name_type = VLAN_NAME_TYPE_PLUS_VID_NO_PAD; - } - else if(strcmp(toys.optargs[1], "DEV_PLUS_VID") == 0) { + } else if(strcmp(toys.optargs[1], "DEV_PLUS_VID") == 0) { name_type = VLAN_NAME_TYPE_RAW_PLUS_VID; - } - else if(strcmp(toys.optargs[1], "DEV_PLUS_VID_NO_PAD") == 0) { + } else if(strcmp(toys.optargs[1], "DEV_PLUS_VID_NO_PAD") == 0) { name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD; - } - else perror_exit("ERROR: Invalid name type"); + } else perror_exit("ERROR: Invalid name type"); request.u.name_type = name_type; request.cmd = SET_VLAN_NAME_TYPE_CMD; @@ -79,8 +69,7 @@ void vconfig_main(void) exit(EXIT_SUCCESS); } else perror_exit("Failed to set set_name_type:"); - } - else { + } else { interface_name = toys.optargs[1]; // Store interface name. if(strlen(interface_name) > 15) perror_exit("ERROR:if_name length can not be greater than 15"); strcpy(request.device1, interface_name); //we had exited if interface_name length greater than 15, so here it never overflows. @@ -88,36 +77,31 @@ void vconfig_main(void) if(strcmp(cmd, "add") == 0) { request.cmd = ADD_VLAN_CMD; - if(toys.optargs[2]) vlan_id = strtol_range(toys.optargs[2], 0, MAX_VLAN_ID); + if(toys.optargs[2]) vlan_id = strtorange(toys.optargs[2], 0, MAX_VLAN_ID); else vlan_id = 0; request.u.VID = vlan_id; - } - else if(strcmp(cmd, "rem") == 0) { + } else if(strcmp(cmd, "rem") == 0) { request.cmd = DEL_VLAN_CMD; - } - else if(strcmp(cmd, "set_flag") == 0) { + } else if(strcmp(cmd, "set_flag") == 0) { request.cmd = SET_VLAN_FLAG_CMD; - if(toys.optargs[2]) request.u.flag = strtol_range(toys.optargs[2], 0, 1); + if(toys.optargs[2]) request.u.flag = strtorange(toys.optargs[2], 0, 1); else request.u.flag = 0; - if(toys.optargs[3]) request.vlan_qos = strtol_range(toys.optargs[3], 0, 7); + if(toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7); else request.vlan_qos = 0; - } - else if(strcmp(cmd, "set_egress_map") == 0) { + } else if(strcmp(cmd, "set_egress_map") == 0) { request.cmd = SET_VLAN_EGRESS_PRIORITY_CMD; - if(toys.optargs[2]) request.u.skb_priority = strtol_range(toys.optargs[2], 0, INT_MAX); + if(toys.optargs[2]) request.u.skb_priority = strtorange(toys.optargs[2], 0, INT_MAX); else request.u.skb_priority = 0; - if(toys.optargs[3]) request.vlan_qos = strtol_range(toys.optargs[3], 0, 7); + if(toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7); else request.vlan_qos = 0; - } - else if(strcmp(cmd, "set_ingress_map") == 0) { + } else if(strcmp(cmd, "set_ingress_map") == 0) { request.cmd = SET_VLAN_INGRESS_PRIORITY_CMD; - if(toys.optargs[2]) request.u.skb_priority = strtol_range(toys.optargs[2], 0, INT_MAX); + if(toys.optargs[2]) request.u.skb_priority = strtorange(toys.optargs[2], 0, INT_MAX); else request.u.skb_priority = 0; //To set flag we must have to set vlan_qos - if(toys.optargs[3]) request.vlan_qos = strtol_range(toys.optargs[3], 0, 7); + if(toys.optargs[3]) request.vlan_qos = strtorange(toys.optargs[3], 0, 7); else request.vlan_qos = 0; - } - else { + } else { xclose(fd); perror_exit("Unknown command %s", cmd); } @@ -125,6 +109,5 @@ void vconfig_main(void) if(strcmp(cmd, "add") == 0 && vlan_id == 1) xprintf("WARNING: VLAN 1 does not work with many switches,consider another number if you have problems.\n"); xprintf("Successful %s on device %s\n", cmd, interface_name); - } - else perror_exit("Failed to %s, on vlan subsystem %s.", cmd, interface_name); + } else perror_exit("Failed to %s, on vlan subsystem %s.", cmd, interface_name); } -- cgit v1.2.3