This is not of general interest for our users. Move the code somewhere else. Related: SYS#922neels/inmarsat
Holger Hans Peter Freyther
8 years ago
parent
21356b7508
commit
ea1483dd5c
@ -1,197 +0,0 @@
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From 987960ea03c59a2ef9164e4f7309031ef4e0242d Mon Sep 17 00:00:00 2001
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Message-Id: <987960ea03c59a2ef9164e4f7309031ef4e0242d.1410189314.git.daniel@totalueberwachung.de>
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From: Daniel Willmann <dwillmann@sysmocom.de>
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Date: Mon, 8 Sep 2014 15:53:54 +0200
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Subject: [PATCH 1/1] Add wifi2udp program
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---
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Makefile | 4 +-
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wifi2udp.c | 146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 149 insertions(+), 1 deletion(-)
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create mode 100644 wifi2udp.c
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Index: wireless_tools.30/Makefile
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===================================================================
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--- wireless_tools.30.orig/Makefile
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+++ wireless_tools.30/Makefile
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@@ -50,7 +50,7 @@ WEXT_HEADER = wireless.$(WE_VERSION).h
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# Targets to build
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STATIC=libiw.a
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DYNAMIC=libiw.so.$(WT_VERSION)
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-PROGS= iwconfig iwlist iwpriv iwspy iwgetid iwevent ifrename
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+PROGS= iwconfig iwlist iwpriv iwspy iwgetid iwevent ifrename wifi2udp
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MANPAGES8=iwconfig.8 iwlist.8 iwpriv.8 iwspy.8 iwgetid.8 iwevent.8 ifrename.8
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MANPAGES7=wireless.7
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MANPAGES5=iftab.5
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@@ -105,7 +105,7 @@ endif
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# Other flags
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CFLAGS=-Os -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow \
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- -Wpointer-arith -Wcast-qual -Winline -I.
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+ -Wpointer-arith -Wcast-qual -Winline -I. -ggdb3
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#CFLAGS=-O2 -W -Wall -Wstrict-prototypes -I.
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DEPFLAGS=-MMD
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XCFLAGS=$(CFLAGS) $(DEPFLAGS) $(WARN) $(HEADERS) $(WELIB_FLAG) $(WEDEF_FLAG)
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@@ -137,6 +137,8 @@ ifrename: ifrename.o $(IWLIB)
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macaddr: macaddr.o $(IWLIB)
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+wifi2udp: wifi2udp.o $(IWLIB)
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+
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iwmulticall: iwmulticall.o
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$(CC) $(LDFLAGS) $(STRIPFLAGS) $(XCFLAGS) -o $@ $^ $(LIBS)
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Index: wireless_tools.30/wifi2udp.c
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===================================================================
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--- /dev/null
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+++ wireless_tools.30/wifi2udp.c
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@@ -0,0 +1,149 @@
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+
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+#include <unistd.h>
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+#include <stdio.h>
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+#include <time.h>
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+#include <iwlib.h>
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+
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+#include <sys/socket.h>
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+
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+static int verbose = 0;
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+static int delay = 10;
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+
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+static void escape_essid(const char *src, char *dst, ssize_t len)
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+{
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+ int i, j;
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+
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+ for (i = 0, j = 0; j < len; i++, j++) {
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+ if (src[i] == '"') {
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+ dst[j] = '\\';
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+ j++;
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+ if (j == len)
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+ break;
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+ }
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+
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+ dst[j] = src[i];
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+
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+ if (!src[i])
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+ return;
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+ }
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+}
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+
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+static void scan_wifi(char *iface, const char *oduiface, const char *server, int port)
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+{
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+ int sock, rc;
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+ iwrange range;
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+ struct ifreq buf;
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+ char mac[20];
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+
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+ struct sockaddr_in remote;
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+ struct hostent *hp;
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+
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+ hp = gethostbyname(server);
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+ if (!hp) {
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+ printf("Could not resolve %s\n", server);
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+ exit(-1);
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+ }
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+
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+ remote.sin_family = AF_INET;
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+ memcpy(&remote.sin_addr, hp->h_addr, hp->h_length);
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+ remote.sin_port = htons(port);
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+
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+ /* Retrieve MAC address of Wifi card */
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+ sock = socket(PF_INET, SOCK_DGRAM, 0);
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+ memset(&buf, 0, sizeof(buf));
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+
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+ strcpy(buf.ifr_name, oduiface);
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+ ioctl(sock, SIOCGIFHWADDR, &buf);
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+ iw_sawap_ntop(&buf.ifr_hwaddr, mac);
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+
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+ sock = iw_sockets_open();
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+
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+ rc = iw_get_range_info(sock, iface, &range);
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+ if (rc < 0) {
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+ printf("iw_get_range_info() returned %i\n", rc);
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+ exit(2);
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+ }
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+
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+ while (1) {
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+ time_t now;
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+ wireless_scan_head head;
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+ wireless_scan *result;
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+ /* Scan for wireless networks */
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+ rc = iw_scan(sock, iface, range.we_version_compiled, &head);
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+ if (rc < 0) {
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+ printf("iw_scan() returned %i\n", rc);
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+ exit(2);
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+ }
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+
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+ now = time(NULL);
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+
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+ /* Print the results */
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+ result = head.result;
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+ while (NULL != result) {
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+ char bssid[20];
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+ char line[1024];
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+ char essid_escaped[50];
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+ wireless_scan *old_result;
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+ iw_sawap_ntop(&result->ap_addr, bssid);
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+
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+ escape_essid(result->b.essid, essid_escaped, 50);
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+ snprintf(line, 1024, "WIFI,%li,%s,\"%s\",%s,%0.0f,%i\r\n", now, mac, essid_escaped, bssid, result->b.freq/1000000, (int8_t)result->stats.qual.level);
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+ if (verbose)
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+ printf("%s", line);
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+ rc = sendto(sock, line, strlen(line), 0, (struct sockaddr*)&remote, sizeof(remote));
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+ if (rc == -1)
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+ printf("Failed to send message: %s\n", strerror(errno));
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+ old_result = result;
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+ result = result->next;
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+ free(old_result);
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+ }
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+ sleep(delay);
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+ }
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+}
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+
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+static void usage(void)
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+{
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+ printf("Usage: prog [options] host [port]\n");
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+}
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+
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+int main(int argc, char *argv[])
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+{
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+ int option;
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+ char *wifiiface = NULL, *ifacename = NULL, *server;
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+ int port = 20001;
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+
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+ while ((option = getopt(argc, argv, "?hvw:i:d:")) != -1) {
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+ switch (option) {
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+ case 'v':
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+ verbose = 1;
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+ break;
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+ case 'w':
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+ wifiiface = optarg;
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+ break;
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+ case 'i':
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+ ifacename = optarg;
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+ break;
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+ case 'd':
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+ delay = atoi(optarg);
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+ break;
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+ case '?':
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+ case 'h':
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+ usage();
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+ exit(1);
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+ }
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+ }
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+
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+ if (optind < argc) {
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+ server = argv[optind];
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+ optind++;
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+ } else {
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+ usage();
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+ exit(-1);
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+ }
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+ if (optind < argc)
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+ port = atoi(argv[optind]);
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+
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+ scan_wifi(wifiiface, ifacename, server, port);
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+
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+ return 0;
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+}
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@ -1,9 +0,0 @@
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[Unit]
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Description=WIFI scan service
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[Service]
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EnvironmentFile=/etc/default/odu_gps.conf
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ExecStartPre=/sbin/ifconfig wlan0 up
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ExecStart=/usr/sbin/wifi2udp -w wlan0 -i eth0 ${UDP_SINK}
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Restart=always
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RestartSec=2
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@ -1,21 +0,0 @@
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THISDIR := "${@os.path.dirname(bb.data.getVar('FILE', d, True))}"
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FILESPATH =. "${@base_set_filespath(["${THISDIR}/files"], d)}:"
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PRINC="8"
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SRC_URI += "file://0001-Add-wifi2udp-program.patch \
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file://wifi2udp.service"
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PACKAGES =+ "wireless-tools-wifi2udp"
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FILES_wireless-tools-wifi2udp = "${sbindir}/wifi2udp \
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${systemd_unitdir}/system/wifi2udp.service \
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${systemd_unitdir}/system/multi-user.target.wants/wifi2udp.service"
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do_install_append() {
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install -m 0755 wifi2udp ${D}${sbindir}/wifi2udp
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install -d ${D}${systemd_unitdir}/system/
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install -m 0644 ${WORKDIR}/wifi2udp.service ${D}${systemd_unitdir}/system/
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install -d ${D}${systemd_unitdir}/system/multi-user.target.wants/
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ln -sf ../wifi2udp.service ${D}${systemd_unitdir}/system/multi-user.target.wants/
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}
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@ -1 +0,0 @@
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require recipes-fixes/wireless-tools/${PN}_sysmocom.inc
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