packages: sort network related packages into package/network/

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33688 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 582 deletions

diff --git a/package/iwcap/src/iwcap.c b/package/iwcap/src/iwcap.c
deleted file mode 100644
index a71dca2320..0000000000
--- a/package/iwcap/src/iwcap.c
+++ /dev/null
@@ -1,582 +0,0 @@
-/*
- * iwcap.c - A simply radiotap capture utility outputting pcap dumps
- *
- *    Copyright 2012 Jo-Philipp Wich <jow@openwrt.org>
- *
- *    Licensed under the Apache License, Version 2.0 (the "License");
- *    you may not use this file except in compliance with the License.
- *    You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *    Unless required by applicable law or agreed to in writing, software
- *    distributed under the License is distributed on an "AS IS" BASIS,
- *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *    See the License for the specific language governing permissions and
- *    limitations under the License.
- *
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <string.h>
-#include <signal.h>
-#include <syslog.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <net/ethernet.h>
-#include <net/if.h>
-#include <netinet/in.h>
-#include <linux/if_packet.h>
-
-#define ARPHRD_IEEE80211_RADIOTAP	803
-
-#define DLT_IEEE802_11_RADIO		127
-#define LEN_IEEE802_11_HDR			32
-
-#define FRAMETYPE_MASK				0xFC
-#define FRAMETYPE_BEACON			0x80
-#define FRAMETYPE_DATA				0x08
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define le16(x) __bswap_16(x)
-#else
-#define le16(x) (x)
-#endif
-
-uint8_t run_dump   = 0;
-uint8_t run_stop   = 0;
-uint8_t run_daemon = 0;
-
-uint32_t frames_captured = 0;
-uint32_t frames_filtered = 0;
-
-int capture_sock = -1;
-const char *ifname = NULL;
-
-
-struct ringbuf {
-	uint32_t len;            /* number of slots */
-	uint32_t fill;           /* last used slot */
-	uint32_t slen;           /* slot size */
-	void *buf;               /* ring memory */
-};
-
-struct ringbuf_entry {
-	uint32_t len;            /* used slot memory */
-	uint32_t olen;           /* original data size */
-	uint32_t sec;            /* epoch of slot creation */
-	uint32_t usec;			 /* epoch microseconds */
-};
-
-typedef struct pcap_hdr_s {
-	uint32_t magic_number;   /* magic number */
-	uint16_t version_major;  /* major version number */
-	uint16_t version_minor;  /* minor version number */
-	int32_t  thiszone;       /* GMT to local correction */
-	uint32_t sigfigs;        /* accuracy of timestamps */
-	uint32_t snaplen;        /* max length of captured packets, in octets */
-	uint32_t network;        /* data link type */
-} pcap_hdr_t;
-
-typedef struct pcaprec_hdr_s {
-	uint32_t ts_sec;         /* timestamp seconds */
-	uint32_t ts_usec;        /* timestamp microseconds */
-	uint32_t incl_len;       /* number of octets of packet saved in file */
-	uint32_t orig_len;       /* actual length of packet */
-} pcaprec_hdr_t;
-
-typedef struct ieee80211_radiotap_header {
-	u_int8_t  it_version;    /* set to 0 */
-	u_int8_t  it_pad;
-	u_int16_t it_len;        /* entire length */
-	u_int32_t it_present;    /* fields present */
-} __attribute__((__packed__)) radiotap_hdr_t;
-
-
-int check_type(void)
-{
-	struct ifreq ifr;
-
-	strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
-
-	if (ioctl(capture_sock, SIOCGIFHWADDR, &ifr) < 0)
-		return -1;
-
-	return (ifr.ifr_hwaddr.sa_family == ARPHRD_IEEE80211_RADIOTAP);
-}
-
-int set_promisc(int on)
-{
-	struct ifreq ifr;
-
-	strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
-
-	if (ioctl(capture_sock, SIOCGIFFLAGS, &ifr) < 0)
-		return -1;
-
-	if (on && !(ifr.ifr_flags & IFF_PROMISC))
-	{
-		ifr.ifr_flags |= IFF_PROMISC;
-
-		if (ioctl(capture_sock, SIOCSIFFLAGS, &ifr))
-			return -1;
-
-		return 1;
-	}
-	else if (!on && (ifr.ifr_flags & IFF_PROMISC))
-	{
-		ifr.ifr_flags &= ~IFF_PROMISC;
-
-		if (ioctl(capture_sock, SIOCSIFFLAGS, &ifr))
-			return -1;
-
-		return 1;
-	}
-
-	return 0;
-}
-
-
-void sig_dump(int sig)
-{
-	run_dump = 1;
-}
-
-void sig_teardown(int sig)
-{
-	run_stop = 1;
-}
-
-
-void write_pcap_header(FILE *o)
-{
-	pcap_hdr_t ghdr = {
-		.magic_number  = 0xa1b2c3d4,
-		.version_major = 2,
-		.version_minor = 4,
-		.thiszone      = 0,
-		.sigfigs       = 0,
-		.snaplen       = 0xFFFF,
-		.network       = DLT_IEEE802_11_RADIO
-	};
-
-	fwrite(&ghdr, 1, sizeof(ghdr), o);
-}
-
-void write_pcap_frame(FILE *o, uint32_t *sec, uint32_t *usec,
-					  uint16_t len, uint16_t olen)
-{
-	struct timeval tv;
-	pcaprec_hdr_t fhdr;
-
-	if (!sec || !usec)
-	{
-		gettimeofday(&tv, NULL);
-	}
-	else
-	{
-		tv.tv_sec  = *sec;
-		tv.tv_usec = *usec;
-	}
-
-	fhdr.ts_sec   = tv.tv_sec;
-	fhdr.ts_usec  = tv.tv_usec;
-	fhdr.incl_len = len;
-	fhdr.orig_len = olen;
-
-	fwrite(&fhdr, 1, sizeof(fhdr), o);
-}
-
-
-struct ringbuf * ringbuf_init(uint32_t num_item, uint16_t len_item)
-{
-	static struct ringbuf r;
-
-	if (len_item <= 0)
-		return NULL;
-
-	r.buf = malloc(num_item * (len_item + sizeof(struct ringbuf_entry)));
-
-	if (r.buf)
-	{
-		r.len = num_item;
-		r.fill = 0;
-		r.slen = (len_item + sizeof(struct ringbuf_entry));
-
-		memset(r.buf, 0, num_item * len_item);
-
-		return &r;
-	}
-
-	return NULL;
-}
-
-struct ringbuf_entry * ringbuf_add(struct ringbuf *r)
-{
-	struct timeval t;
-	struct ringbuf_entry *e;
-
-	gettimeofday(&t, NULL);
-
-	e = r->buf + (r->fill++ * r->slen);
-	r->fill %= r->len;
-
-	memset(e, 0, r->slen);
-
-	e->sec = t.tv_sec;
-	e->usec = t.tv_usec;
-
-	return e;
-}
-
-struct ringbuf_entry * ringbuf_get(struct ringbuf *r, int i)
-{
-	struct ringbuf_entry *e = r->buf + (((r->fill + i) % r->len) * r->slen);
-
-	if (e->len > 0)
-		return e;
-
-	return NULL;
-}
-
-void ringbuf_free(struct ringbuf *r)
-{
-	free(r->buf);
-	memset(r, 0, sizeof(*r));
-}
-
-
-void msg(const char *fmt, ...)
-{
-	va_list ap;
-	va_start(ap, fmt);
-
-	if (run_daemon)
-		vsyslog(LOG_INFO | LOG_USER, fmt, ap);
-	else
-		vfprintf(stderr, fmt, ap);
-
-	va_end(ap);
-}
-
-
-int main(int argc, char **argv)
-{
-	int i, n;
-	struct ringbuf *ring;
-	struct ringbuf_entry *e;
-	struct sockaddr_ll local = {
-		.sll_family   = AF_PACKET,
-		.sll_protocol = htons(ETH_P_ALL)
-	};
-
-	radiotap_hdr_t *rhdr;
-
-	uint8_t frametype;
-	uint8_t pktbuf[0xFFFF];
-	ssize_t pktlen;
-
-	FILE *o;
-
-	int opt;
-
-	uint8_t promisc        = 0;
-	uint8_t streaming      = 0;
-	uint8_t foreground     = 0;
-	uint8_t filter_data    = 0;
-	uint8_t filter_beacon  = 0;
-	uint8_t header_written = 0;
-
-	uint32_t ringsz   = 1024 * 1024; /* 1 Mbyte ring buffer */
-	uint16_t pktcap   = 256;		 /* truncate frames after 265KB */
-
-	const char *output = NULL;
-
-
-	while ((opt = getopt(argc, argv, "i:r:c:o:sfhBD")) != -1)
-	{
-		switch (opt)
-		{
-		case 'i':
-			ifname = optarg;
-			if (!(local.sll_ifindex = if_nametoindex(ifname)))
-			{
-				msg("Unknown interface '%s'\n", ifname);
-				return 2;
-			}
-			break;
-
-		case 'r':
-			ringsz = atoi(optarg);
-			if (ringsz < (3 * pktcap))
-			{
-				msg("Ring size of %d bytes is too short, "
-					"must be at least %d bytes\n", ringsz, 3 * pktcap);
-				return 3;
-			}
-			break;
-
-		case 'c':
-			pktcap = atoi(optarg);
-			if (pktcap <= (sizeof(radiotap_hdr_t) + LEN_IEEE802_11_HDR))
-			{
-				msg("Packet truncate after %d bytes is too short, "
-					"must be at least %d bytes\n",
-					pktcap, sizeof(radiotap_hdr_t) + LEN_IEEE802_11_HDR);
-				return 4;
-			}
-			break;
-
-		case 's':
-			streaming = 1;
-			break;
-
-		case 'o':
-			output = optarg;
-			break;
-
-		case 'B':
-			filter_beacon = 1;
-			break;
-
-		case 'D':
-			filter_data = 1;
-			break;
-
-		case 'f':
-			foreground = 1;
-			break;
-
-		case 'h':
-			msg(
-				"Usage:\n"
-				"  %s -i {iface} -s [-b] [-d]\n"
-				"  %s -i {iface} -o {file} [-r len] [-c len] [-B] [-D] [-f]\n"
-				"\n"
-				"  -i iface\n"
-				"    Specify interface to use, must be in monitor mode and\n"
-				"    produce IEEE 802.11 Radiotap headers.\n\n"
-				"  -s\n"
-				"    Stream to stdout instead of Dumping to file on USR1.\n\n"
-				"  -o file\n"
-				"    Write current ringbuffer contents to given output file\n"
-				"    on receipt of SIGUSR1.\n\n"
-				"  -r len\n"
-				"    Specify the amount of bytes to use for the ringbuffer.\n"
-				"    The default length is %d bytes.\n\n"
-				"  -c len\n"
-				"    Truncate captured packets after given amount of bytes.\n"
-				"    The default size limit is %d bytes.\n\n"
-				"  -B\n"
-				"    Don't store beacon frames in ring, default is keep.\n\n"
-				"  -D\n"
-				"    Don't store data frames in ring, default is keep.\n\n"
-				"  -f\n"
-				"    Do not daemonize but keep running in foreground.\n\n"
-				"  -h\n"
-				"    Display this help.\n\n",
-				argv[0], argv[0], ringsz, pktcap);
-
-			return 1;
-		}
-	}
-
-	if (!streaming && !output)
-	{
-		msg("No output file specified\n");
-		return 1;
-	}
-
-	if (streaming && output)
-	{
-		msg("The -s and -o options are exclusive\n");
-		return 1;
-	}
-
-	if (streaming && isatty(1))
-	{
-		msg("Refusing to stream into a terminal\n");
-		return 1;
-	}
-
-	if (!local.sll_ifindex)
-	{
-		msg("No interface specified\n");
-		return 2;
-	}
-
-	if (!check_type())
-	{
-		msg("Bad interface: not ARPHRD_IEEE80211_RADIOTAP\n");
-		return 2;
-	}
-
-	if ((capture_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0)
-	{
-		msg("Unable to create raw socket: %s\n",
-				strerror(errno));
-		return 6;
-	}
-
-	if (bind(capture_sock, (struct sockaddr *)&local, sizeof(local)) == -1)
-	{
-		msg("Unable to bind to interface: %s\n",
-			strerror(errno));
-		return 7;
-	}
-
-	if (!streaming)
-	{
-		if (!foreground)
-		{
-			switch (fork())
-			{
-				case -1:
-					msg("Unable to fork: %s\n", strerror(errno));
-					return 8;
-
-				case 0:
-					umask(0077);
-					chdir("/");
-					freopen("/dev/null", "r", stdin);
-					freopen("/dev/null", "w", stdout);
-					freopen("/dev/null", "w", stderr);
-					run_daemon = 1;
-					break;
-
-				default:
-					msg("Daemon launched ...\n");
-					return 0;
-			}
-		}
-
-		msg("Monitoring interface %s ...\n", ifname);
-
-		if (!(ring = ringbuf_init(ringsz / pktcap, pktcap)))
-		{
-			msg("Unable to allocate ring buffer: %s\n",
-				strerror(errno));
-			return 5;
-		}
-
-		msg(" * Using %d bytes ringbuffer with %d slots\n", ringsz, ring->len);
-		msg(" * Truncating frames at %d bytes\n", pktcap);
-		msg(" * Dumping data to file %s\n", output);
-
-		signal(SIGUSR1, sig_dump);
-	}
-	else
-	{
-		msg("Monitoring interface %s ...\n", ifname);
-		msg(" * Streaming data to stdout\n");
-	}
-
-	msg(" * Beacon frames are %sfiltered\n", filter_beacon ? "" : "not ");
-	msg(" * Data frames are %sfiltered\n", filter_data ? "" : "not ");
-
-	signal(SIGINT, sig_teardown);
-	signal(SIGTERM, sig_teardown);
-
-	promisc = set_promisc(1);
-
-	/* capture loop */
-	while (1)
-	{
-		if (run_stop)
-		{
-			msg("Shutting down ...\n");
-
-			if (promisc)
-				set_promisc(0);
-
-			if (ring)
-				ringbuf_free(ring);
-
-			return 0;
-		}
-		else if (run_dump)
-		{
-			msg("Dumping ring to %s ...\n", output);
-
-			if (!(o = fopen(output, "w")))
-			{
-				msg("Unable to open %s: %s\n",
-					output, strerror(errno));
-			}
-			else
-			{
-				write_pcap_header(o);
-
-				/* sig_dump packet buffer */
-				for (i = 0, n = 0; i < ring->len; i++)
-				{
-					if (!(e = ringbuf_get(ring, i)))
-						continue;
-
-					write_pcap_frame(o, &(e->sec), &(e->usec), e->len, e->olen);
-					fwrite((void *)e + sizeof(*e), 1, e->len, o);
-					n++;
-				}
-
-				fclose(o);
-
-				msg(" * %d frames captured\n", frames_captured);
-				msg(" * %d frames filtered\n", frames_filtered);
-				msg(" * %d frames dumped\n", n);
-			}
-
-			run_dump = 0;
-		}
-
-		pktlen = recvfrom(capture_sock, pktbuf, sizeof(pktbuf), 0, NULL, 0);
-		frames_captured++;
-
-		/* check received frametype, if we should filter it, rewind the ring */
-		rhdr = (radiotap_hdr_t *)pktbuf;
-
-		if (pktlen <= sizeof(radiotap_hdr_t) || le16(rhdr->it_len) >= pktlen)
-		{
-			frames_filtered++;
-			continue;
-		}
-
-		frametype = *(uint8_t *)(pktbuf + le16(rhdr->it_len));
-
-		if ((filter_data   && (frametype & FRAMETYPE_MASK) == FRAMETYPE_DATA) ||
-		    (filter_beacon && (frametype & FRAMETYPE_MASK) == FRAMETYPE_BEACON))
-		{
-			frames_filtered++;
-			continue;
-		}
-
-		if (streaming)
-		{
-			if (!header_written)
-			{
-				write_pcap_header(stdout);
-				header_written = 1;
-			}
-
-			write_pcap_frame(stdout, NULL, NULL, pktlen, pktlen);
-			fwrite(pktbuf, 1, pktlen, stdout);
-			fflush(stdout);
-		}
-		else
-		{
-			e = ringbuf_add(ring);
-			e->olen = pktlen;
-			e->len = (pktlen > pktcap) ? pktcap : pktlen;
-
-			memcpy((void *)e + sizeof(*e), pktbuf, e->len);
-		}
-	}
-
-	return 0;
-}