/*
* Display the spy list of addresses and the associated stats
*/
-static void
+static int
print_spy_info(int skfd,
- char * ifname)
+ char * ifname,
+ char * args[],
+ int count)
{
struct iwreq wrq;
char buffer[(sizeof(struct iw_quality) +
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;
if(iw_get_ext(skfd, ifname, SIOCGIWSPY, &wrq) < 0)
{
fprintf(stderr, "%-8.8s Interface doesn't support wireless statistic collection\n\n", ifname);
- return;
+ return(-1);
}
/* Number of addresses */
if(iw_check_mac_addr_type(skfd, ifname) < 0)
{
fprintf(stderr, "%-8.8s Interface doesn't support MAC addresses\n\n", ifname);
- return;
+ return(-2);
}
/* Get range info if we can */
#endif /* WIRELESS_EXT > 11 */
printf("\n");
-}
-
-/*------------------------------------------------------------------*/
-/*
- * Get info on all devices and print it on the screen
- */
-static void
-print_spy_devices(int skfd)
-{
- char buff[1024];
- struct ifconf ifc;
- struct ifreq *ifr;
- int i;
-
- /* Get list of active devices */
- ifc.ifc_len = sizeof(buff);
- ifc.ifc_buf = buff;
- if(ioctl(skfd, SIOCGIFCONF, &ifc) < 0)
- {
- fprintf(stderr, "SIOCGIFCONF: %s\n", strerror(errno));
- return;
- }
- ifr = ifc.ifc_req;
-
- /* Print them */
- for(i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; ifr++)
- print_spy_info(skfd, ifr->ifr_name);
+ return(0);
}
/************************* SETTING ROUTINES **************************/
/* Read command line */
i = 0; /* first arg to read */
- nbr = 0; /* Number of args readen so far */
+ nbr = 0; /* Number of args read so far */
/* "off" : disable functionality (set 0 addresses) */
if(!strcmp(args[0], "off"))
- i = count; /* hack */
-
- /* "+" : add all addresses already in the driver */
- if(!strcmp(args[0], "+"))
+ i = 1; /* skip the "off" */
+ else
{
- char buffer[(sizeof(struct iw_quality) +
+ /* "+" : add all addresses already in the driver */
+ if(!strcmp(args[0], "+"))
+ {
+ 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)
+ /* 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);
+ }
+
+ wrq.u.data.pointer = (caddr_t) buffer;
+ wrq.u.data.length = 0;
+ wrq.u.data.flags = 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));
+ return(-1);
+ }
+
+ /* Copy old addresses */
+ nbr = wrq.u.data.length;
+ memcpy(hw_address, buffer, nbr * sizeof(struct sockaddr));
+
+ i = 1; /* skip the "+" */
+ }
+
+ /* Read other args on command line */
+ while((i < count) && (nbr < IW_MAX_SPY))
{
- fprintf(stderr, "%-8.8s Interface doesn't support MAC addresses\n", ifname);
- return(-1);
+ /* Get the address and check if the interface supports it */
+ if(iw_in_addr(skfd, ifname, args[i++], &(hw_address[nbr])) < 0)
+ continue;
+ nbr++;
}
- wrq.u.data.pointer = (caddr_t) buffer;
- wrq.u.data.length = 0;
- wrq.u.data.flags = 0;
- if(iw_get_ext(skfd, ifname, SIOCGIWSPY, &wrq) < 0)
+ /* Check the number of addresses */
+ if(nbr == 0)
{
- fprintf(stderr, "Interface doesn't accept reading addresses...\n");
- fprintf(stderr, "SIOCGIWSPY: %s\n", strerror(errno));
+ fprintf(stderr, "No valid addresses found : exiting...\n");
return(-1);
}
-
- /* Copy old addresses */
- nbr = wrq.u.data.length;
- memcpy(hw_address, buffer, nbr * sizeof(struct sockaddr));
-
- i = 1; /* skip the "+" */
- }
-
- /* Read other args on command line */
- while((i < count) && (nbr < IW_MAX_SPY))
- {
- /* 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(args[0], "off"))
- {
- fprintf(stderr, "No valid addresses found : exiting...\n");
- return(-1);
}
/* Check if there is some remaining arguments */
if(i < count)
{
- fprintf(stderr, "Got only the first %d addresses, remaining discarded\n", IW_MAX_SPY);
+ fprintf(stderr, "Got only the first %d arguments, remaining discarded\n", i);
}
/* Time to do send addresses to the driver */
main(int argc,
char ** argv)
{
- int skfd = -1; /* generic raw socket desc. */
+ int skfd; /* generic raw socket desc. */
int goterr = 0;
/* Create a channel to the NET kernel. */
/* No argument : show the list of all device + info */
if(argc == 1)
- {
- print_spy_devices(skfd);
- close(skfd);
- return(0);
- }
-
- /* Special cases take one... */
- /* Help */
- if((!strncmp(argv[1], "-h", 9)) ||
- (!strcmp(argv[1], "--help")))
- {
+ 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");
- close(skfd);
- return(0);
- }
-
- /* 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]);
- close(skfd);
- return(0);
- }
-
- /* Otherwise, it's a list of address to set in the spy list */
- goterr = set_spy_info(skfd, argv + 2, argc - 2, argv[1]);
+ 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);
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