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annotate rvinterf/etmsync/fsnew.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 37b38b1a1136
children
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1 /*
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2 * In this module we are going to implement the commands that upload
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3 * new FreeCalypso-invented stuff into the FFS of our FC devices.
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4 */
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5
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6 #include <sys/wait.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <unistd.h>
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10 #include "exitcodes.h"
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11
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12 char batterytab_compile_tool[] = "/opt/freecalypso/bin/compile-fc-batt";
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13 char batterytab2_compile_tool[] = "/opt/freecalypso/bin/compile-fc-batt2";
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14 char charging_compile_tool[] = "/opt/freecalypso/bin/compile-fc-chg";
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15
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16 upload_fc_table_from_ascii(asciisrc, compiletool, ffs_pathname)
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17 char *asciisrc, *compiletool, *ffs_pathname;
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18 {
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19 char tmpfile[] = "/tmp/fc-fsioXXXXXX";
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20 int tmpfd;
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21 pid_t child, waitres;
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22 int status, rc;
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23
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24 tmpfd = mkstemp(tmpfile);
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25 if (tmpfd < 0) {
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26 fprintf(stderr, "unable to get temp file via mkstemp()\n");
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27 return(ERROR_UNIX);
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28 }
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29 close(tmpfd);
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30 child = vfork();
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31 if (child < 0) {
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32 fprintf(stderr, "unable to vfork to run compiler tool\n");
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33 unlink(tmpfile);
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34 return(ERROR_UNIX);
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35 }
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36 if (!child) {
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37 execl(compiletool, compiletool, asciisrc, tmpfile, (char *) 0);
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38 perror(compiletool);
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39 _exit(ERROR_UNIX);
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40 }
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41 waitres = waitpid(child, &status, 0);
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42 if (waitres != child || !WIFEXITED(status)) {
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43 fprintf(stderr, "unexpected wait result after compiler run\n");
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44 unlink(tmpfile);
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45 return(ERROR_UNIX);
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46 }
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47 rc = WEXITSTATUS(status);
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48 if (rc) {
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49 unlink(tmpfile);
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50 return rc;
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51 }
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52 rc = fwrite_from_file(ffs_pathname, tmpfile);
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53 unlink(tmpfile);
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54 return rc;
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55 }
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56
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57 cmd_write_battery_table_v1(argc, argv)
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58 char **argv;
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59 {
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60 return upload_fc_table_from_ascii(argv[1], batterytab_compile_tool,
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61 "/etc/batterytab");
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62 }
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63
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64 cmd_write_battery_table_v2(argc, argv)
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65 char **argv;
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66 {
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67 return upload_fc_table_from_ascii(argv[1], batterytab2_compile_tool,
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68 "/etc/batterytab2");
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69 }
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70
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71 cmd_write_charging_config(argc, argv)
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72 char **argv;
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73 {
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74 return upload_fc_table_from_ascii(argv[1], charging_compile_tool,
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75 "/etc/charging");
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76 }
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77
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78 cmd_write_bsim_config(argc, argv)
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79 char **argv;
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80 {
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81 static char filename[] = "/etc/batterysim";
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82 u_char bytes[4];
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83
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84 bytes[0] = strtoul(argv[1], 0, 0);
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85 bytes[1] = strtoul(argv[2], 0, 0);
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86 bytes[2] = 0; /* RFU */
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87 bytes[3] = 0; /* RFU */
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88 return do_short_fwrite(filename, bytes, 4);
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89 }