FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/sendsp/rvifsend.c @ 461:10e168596dfd

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doc/SIM-hardware-debugging: article written
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 10 Feb 2019 20:40:56 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module is currently linked by fc-sendsp, and may be used by
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3 * other similar hack-utilities in the future. Here we connect to
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4 * rvinterf, send one packet to the target, and call it done.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <sys/socket.h>
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9 #include <sys/un.h>
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10 #include <stdio.h>
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11 #include <string.h>
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12 #include <strings.h>
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13 #include <stdlib.h>
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14 #include <unistd.h>
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15 #include "localsock.h"
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16
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17 extern char *socket_pathname;
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18
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19 send_pkt_to_target(pkt, pktlen)
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20 u_char *pkt;
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21 unsigned pktlen;
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22 {
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23 /* local socket binding voodoo copied from osmocon */
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24 struct sockaddr_un local;
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25 unsigned int namelen;
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26 int sock, rc;
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27 u_char hdrbuf[3];
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28 int len1;
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29
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30 sock = socket(AF_UNIX, SOCK_STREAM, 0);
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31 if (sock < 0) {
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32 perror("socket(AF_UNIX, SOCK_STREAM, 0)");
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33 exit(1);
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34 }
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35
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36 local.sun_family = AF_UNIX;
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37 strncpy(local.sun_path, socket_pathname, sizeof(local.sun_path));
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38 local.sun_path[sizeof(local.sun_path) - 1] = '\0';
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39
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40 /* we use the same magic that X11 uses in Xtranssock.c for
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41 * calculating the proper length of the sockaddr */
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42 #if defined(BSD44SOCKETS) || defined(__UNIXWARE__)
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43 local.sun_len = strlen(local.sun_path);
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44 #endif
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45 #if defined(BSD44SOCKETS) || defined(SUN_LEN)
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46 namelen = SUN_LEN(&local);
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47 #else
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48 namelen = strlen(local.sun_path) +
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49 offsetof(struct sockaddr_un, sun_path) + 1;
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50 #endif
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51
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52 rc = connect(sock, (struct sockaddr *) &local, namelen);
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53 if (rc != 0) {
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54 perror(socket_pathname);
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55 exit(1);
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56 }
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57
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58 len1 = pktlen + 1;
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59 hdrbuf[0] = len1 >> 8;
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60 hdrbuf[1] = len1 & 0xFF;
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61 hdrbuf[2] = CLI2RVI_PKT_TO_TARGET;
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62 write(sock, hdrbuf, 3);
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63 write(sock, pkt, pktlen);
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64 close(sock);
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65 return(0);
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66 }