FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/sendsp/rvifsend.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents e7502631a0f9
children
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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 }