/*
- * Warning : this program need to be link against libsupport.a
- * in net-tools-1.2.0
- * This program need also wireless extensions...
+ * Wireless Tools
+ *
+ * Jean II - HPLB '99
+ *
+ * This tool can manipulate the spy list : add addresses and display stat
+ * You need to link this code against "iwlib.c" and "-lm".
+ *
+ * This file is released under the GPL license.
+ * Copyright (c) 1997-2002 Jean Tourrilhes <jt@hpl.hp.com>
*/
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <linux/netdevice.h>
-#include <linux/if.h>
-#include <linux/if_arp.h>
-#include <linux/if_ether.h>
-#include <linux/ipx.h>
-#include <linux/wireless.h>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "support.h"
-int skfd = -1; /* generic raw socket desc. */
-int ipx_sock = -1; /* IPX socket */
-int ax25_sock = -1; /* AX.25 socket */
-int inet_sock = -1; /* INET socket */
-int ddp_sock = -1; /* Appletalk DDP socket */
+#include "iwlib.h" /* Header */
-static int sockets_open()
-{
- inet_sock=socket(AF_INET, SOCK_DGRAM, 0);
- ipx_sock=socket(AF_IPX, SOCK_DGRAM, 0);
- ax25_sock=socket(AF_AX25, SOCK_DGRAM, 0);
- ddp_sock=socket(AF_APPLETALK, SOCK_DGRAM, 0);
- /*
- * Now pick any (exisiting) useful socket family for generic queries
- */
- if(inet_sock!=-1)
- return inet_sock;
- if(ipx_sock!=-1)
- return ipx_sock;
- if(ax25_sock!=-1)
- return ax25_sock;
- /*
- * If this is -1 we have no known network layers and its time to jump.
- */
-
- return ddp_sock;
-}
+/************************* DISPLAY ROUTINES **************************/
-int
-main(int argc,
- char ** argv)
+/*------------------------------------------------------------------*/
+/*
+ * Display the spy list of addresses and the associated stats
+ */
+static int
+print_spy_info(int skfd,
+ char * ifname,
+ char * args[],
+ int count)
{
- struct ifreq ifr;
struct iwreq wrq;
- struct aftype *ap;
- struct hwtype *hw;
- char * ifname = argv[1];
-
- if(argc < 2)
- exit(0);
-
- /* Create a channel to the NET kernel. */
- if((skfd = sockets_open()) < 0)
+ char buffer[(sizeof(struct iw_quality) +
+ sizeof(struct sockaddr)) * IW_MAX_SPY];
+ char temp[128];
+ struct sockaddr hwa[IW_MAX_SPY];
+ struct iw_quality qual[IW_MAX_SPY];
+ iwrange range;
+ int has_range = 0;
+ int n;
+ int i;
+
+ /* Avoid "Unused parameter" warning */
+ args = args; count = count;
+
+ /* Collect stats */
+ wrq.u.data.pointer = (caddr_t) buffer;
+ wrq.u.data.length = IW_MAX_SPY;
+ wrq.u.data.flags = 0;
+ if(iw_get_ext(skfd, ifname, SIOCGIWSPY, &wrq) < 0)
{
- perror("socket");
- exit(-1);
+ fprintf(stderr, "%-8.8s Interface doesn't support wireless statistic collection\n\n", ifname);
+ return(-1);
}
- /* Get the type of interface address */
- strcpy(ifr.ifr_name, ifname);
- if((ioctl(inet_sock, SIOCGIFADDR, &ifr) < 0) ||
- ((ap = get_afntype(ifr.ifr_addr.sa_family)) == NULL))
- {
- /* Deep trouble... */
- fprintf(stderr, "Interface %s unavailable\n", ifname);
- exit(0);
- }
+ /* Number of addresses */
+ n = wrq.u.data.length;
-#ifdef DEBUG
- printf("Interface : %d - %s - %s\n", ifr.ifr_addr.sa_family,
- ap->name, ap->sprint(&ifr.ifr_addr, 1));
-#endif
-
- /* Get the type of hardware address */
- strcpy(ifr.ifr_name, ifname);
- if((ioctl(skfd, SIOCGIFHWADDR, &ifr) < 0) ||
- ((hw = get_hwntype(ifr.ifr_hwaddr.sa_family)) == NULL))
+ /* Check if we have valid mac address type */
+ if(iw_check_mac_addr_type(skfd, ifname) < 0)
{
- /* Deep trouble... */
- fprintf(stderr, "Unable to get hardware address of the interface %s\n",
- ifname);
- exit(0);
+ fprintf(stderr, "%-8.8s Interface doesn't support MAC addresses\n\n", ifname);
+ return(-2);
}
-#ifdef DEBUG
- printf("Hardware : %d - %s - %s\n", ifr.ifr_hwaddr.sa_family,
- hw->name, hw->print(ifr.ifr_hwaddr.sa_data));
-#endif
+ /* Get range info if we can */
+ if(iw_get_range_info(skfd, ifname, &(range)) >= 0)
+ has_range = 1;
- /* Is there any arguments ? */
- if(argc < 3)
- { /* Nope : read out from kernel */
- char buffer[(sizeof(struct iw_quality) +
- sizeof(struct sockaddr)) * IW_MAX_SPY];
- struct sockaddr * hwa;
- struct iw_quality *qual;
- int n;
- int i;
+ /* Display it */
+ if(n == 0)
+ printf("%-8.8s No statistics to collect\n", ifname);
+ else
+ printf("%-8.8s Statistics collected:\n", ifname);
+
+ /* The two lists */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- wrq.u.data.pointer = (caddr_t) buffer;
- wrq.u.data.length = 0;
- wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWSPY, &wrq) < 0)
- {
- fprintf(stderr, "Interface doesn't accept reading addresses...\n");
- fprintf(stderr, "SIOCGIWSPY: %s\n", strerror(errno));
- return(-1);
- }
+ memcpy(hwa, buffer, n * sizeof(struct sockaddr));
+ memcpy(qual, buffer + n*sizeof(struct sockaddr), n*sizeof(struct iw_quality));
- n = wrq.u.data.length;
+ for(i = 0; i < n; i++)
+ {
+ /* Print stats for each address */
+ printf(" %s : ", iw_pr_ether(temp, hwa[i].sa_data));
+ iw_print_stats(temp, &qual[i], &range, has_range);
+ printf("%s\n", temp);
+ }
+#if WIRELESS_EXT > 11
+ if((n > 0) && (has_range))
+ {
+ iw_print_stats(temp, &range.avg_qual, &range, has_range);
+ printf(" typical/average : %s\n", temp);
+ }
+#endif /* WIRELESS_EXT > 11 */
- hwa = (struct sockaddr *) buffer;
- qual = (struct iw_quality *) (buffer + (sizeof(struct sockaddr) * n));
+ printf("\n");
+ return(0);
+}
- for(i = 0; i < n; i++)
- printf("%s : Quality %d ; Signal %d ; Noise %d %s\n",
- hw->print(hwa[i].sa_data),
- qual[i].qual, qual[i].level, qual[i].noise,
- qual[i].updated & 0x7 ? "(updated)" : "");
- }
- else
- { /* Send addresses to kernel */
- int i;
- int nbr; /* Number of valid addresses */
- struct sockaddr hw_address[IW_MAX_SPY];
- struct sockaddr if_address;
- struct arpreq arp_query;
+/************************* SETTING ROUTINES **************************/
- /* Read command line */
- i = 2; /* first arg to read */
- nbr = 0; /* Number of args readen so far */
+/*------------------------------------------------------------------*/
+/*
+ * Set list of addresses specified on command line in the driver.
+ */
+static int
+set_spy_info(int skfd, /* The socket */
+ char * args[], /* Command line args */
+ int count, /* Args count */
+ char * ifname) /* Dev name */
+{
+ struct iwreq wrq;
+ int i;
+ int nbr; /* Number of valid addresses */
+ struct sockaddr hw_address[IW_MAX_SPY];
- /* "off" : disable functionality (set 0 addresses) */
- if(!strcmp(argv[2], "off"))
- i = argc; /* hack */
+ /* Read command line */
+ i = 0; /* first arg to read */
+ nbr = 0; /* Number of args read so far */
+ /* "off" : disable functionality (set 0 addresses) */
+ if(!strcmp(args[0], "off"))
+ i = 1; /* skip the "off" */
+ else
+ {
/* "+" : add all addresses already in the driver */
- if(!strcmp(argv[2], "+"))
+ if(!strcmp(args[0], "+"))
{
- char buffer[(sizeof(struct iw_quality) +
- sizeof(struct sockaddr)) * IW_MAX_SPY];
+ char buffer[(sizeof(struct iw_quality) +
+ sizeof(struct sockaddr)) * IW_MAX_SPY];
+
+ /* Check if we have valid mac address type */
+ if(iw_check_mac_addr_type(skfd, ifname) < 0)
+ {
+ fprintf(stderr, "%-8.8s Interface doesn't support MAC addresses\n", ifname);
+ return(-1);
+ }
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
wrq.u.data.pointer = (caddr_t) buffer;
wrq.u.data.length = 0;
wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCGIWSPY, &wrq) < 0)
+ if(iw_get_ext(skfd, ifname, SIOCGIWSPY, &wrq) < 0)
{
fprintf(stderr, "Interface doesn't accept reading addresses...\n");
fprintf(stderr, "SIOCGIWSPY: %s\n", strerror(errno));
nbr = wrq.u.data.length;
memcpy(hw_address, buffer, nbr * sizeof(struct sockaddr));
- i = 3; /* skip the "+" */
+ i = 1; /* skip the "+" */
}
/* Read other args on command line */
- while((i < argc) && (nbr < IW_MAX_SPY))
+ while((i < count) && (nbr < IW_MAX_SPY))
{
- /* If it is not a hardware address (prefixed by hw)... */
- if(strcmp(argv[i], "hw"))
- {
- /* Read interface address */
- if(ap->input(argv[i++], &if_address) < 0)
- {
- fprintf(stderr, "Invalid interface address %s\n", argv[i - 1]);
- continue;
- }
-
- /* Translate IP addresses to MAC addresses */
- memcpy((char *) &(arp_query.arp_pa),
- (char *) &if_address,
- sizeof(struct sockaddr));
- arp_query.arp_ha.sa_family = 0;
- arp_query.arp_flags = 0;
- /* The following restrict the search to the interface only */
- strcpy(arp_query.arp_dev, ifname);
- if((ioctl(inet_sock, SIOCGARP, &arp_query) < 0) ||
- !(arp_query.arp_flags & ATF_COM))
- {
- fprintf(stderr, "Arp failed for %s... (%d) Try to ping the address before.\n",
- ap->sprint(&if_address, 1), errno);
- continue;
- }
-
- /* Store new MAC address */
- memcpy((char *) &(hw_address[nbr++]),
- (char *) &(arp_query.arp_ha),
- sizeof(struct sockaddr));
-
-#ifdef DEBUG
- printf("IP Address %s => Hw Address = %s - %d\n",
- ap->sprint(&if_address, 1),
- hw->print(hw_address[nbr - 1].sa_data));
-#endif
- }
- else /* If it's an hardware address */
- {
- if(++i >= argc)
- {
- fprintf(stderr, "hw must be followed by an address...\n");
- continue;
- }
-
- /* Get the hardware address */
- if(hw->input(argv[i++], &(hw_address[nbr])) < 0)
- {
- fprintf(stderr, "Invalid hardware address %s\n", argv[i - 1]);
- continue;
- }
- nbr++;
-
-#ifdef DEBUG
- printf("Hw Address = %s - %d\n",
- hw->print(hw_address[nbr - 1].sa_data));
-#endif
- }
- } /* Loop on all addresses */
-
+ /* Get the address and check if the interface supports it */
+ if(iw_in_addr(skfd, ifname, args[i++], &(hw_address[nbr])) < 0)
+ continue;
+ nbr++;
+ }
/* Check the number of addresses */
- if((nbr == 0) && strcmp(argv[2], "off"))
+ if(nbr == 0)
{
fprintf(stderr, "No valid addresses found : exiting...\n");
- exit(0);
+ return(-1);
}
+ }
- /* Check if there is some remaining arguments */
- if(i < argc)
- {
- fprintf(stderr, "Got only the first %d addresses, remaining discarded\n", IW_MAX_SPY);
- }
+ /* Check if there is some remaining arguments */
+ if(i < count)
+ {
+ fprintf(stderr, "Got only the first %d arguments, remaining discarded\n", i);
+ }
- /* Time to do send addresses to the driver */
- strncpy(wrq.ifr_name, ifname, IFNAMSIZ);
- wrq.u.data.pointer = (caddr_t) hw_address;
- wrq.u.data.length = nbr;
- wrq.u.data.flags = 0;
- if(ioctl(skfd, SIOCSIWSPY, &wrq) < 0)
- {
- fprintf(stderr, "Interface doesn't accept addresses...\n");
- fprintf(stderr, "SIOCSIWSPY: %s\n", strerror(errno));
- return(-1);
- }
+ /* Time to do send addresses to the driver */
+ wrq.u.data.pointer = (caddr_t) hw_address;
+ wrq.u.data.length = nbr;
+ wrq.u.data.flags = 0;
+ if(iw_set_ext(skfd, ifname, SIOCSIWSPY, &wrq) < 0)
+ {
+ fprintf(stderr, "Interface doesn't accept addresses...\n");
+ fprintf(stderr, "SIOCSIWSPY: %s\n", strerror(errno));
+ return(-1);
+ }
+
+ return(0);
+}
+
+/******************************* MAIN ********************************/
+
+/*------------------------------------------------------------------*/
+/*
+ * The main !
+ */
+int
+main(int argc,
+ char ** argv)
+{
+ int skfd; /* generic raw socket desc. */
+ int goterr = 0;
+
+ /* Create a channel to the NET kernel. */
+ if((skfd = iw_sockets_open()) < 0)
+ {
+ perror("socket");
+ return(-1);
}
+ /* No argument : show the list of all device + info */
+ if(argc == 1)
+ iw_enum_devices(skfd, &print_spy_info, NULL, 0);
+ else
+ /* Special cases take one... */
+ /* Help */
+ if((!strncmp(argv[1], "-h", 9)) ||
+ (!strcmp(argv[1], "--help")))
+ fprintf(stderr, "Usage: iwspy interface [+] [MAC address] [IP address]\n");
+ else
+ /* The device name must be the first argument */
+ /* Name only : show spy list for that device only */
+ if(argc == 2)
+ print_spy_info(skfd, argv[1], NULL, 0);
+ else
+ /* Otherwise, it's a list of address to set in the spy list */
+ goterr = set_spy_info(skfd, argv + 2, argc - 2, argv[1]);
+
/* Close the socket. */
close(skfd);
- return(1);
+ return(goterr);
}
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