FreeCalypso > hg > freecalypso-tools

annotate loadtools/lthelp.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 464a531122ab
children
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1 /*
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2 * This module implements the loadtool help facility.
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3 */
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4
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5 #include <stdio.h>
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6 #include <ctype.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10
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464a531122ab loadtools: some paths moved out of defpath.c
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11 char loadtool_help_file[] = "/opt/freecalypso/helpfiles/loadtool.help";
0
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12
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13 loadtool_help(topic)
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14 char *topic;
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15 {
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16 FILE *f;
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17 char linebuf[256];
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18 char *cp, *np;
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19 int flag;
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20
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21 f = fopen(loadtool_help_file, "r");
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22 if (!f) {
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23 perror(loadtool_help_file);
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24 return(-1);
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25 }
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26 for (;;) {
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27 if (!fgets(linebuf, sizeof linebuf, f)) {
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28 fprintf(stderr, "Help topic \"%s\" not found\n", topic);
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29 fclose(f);
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30 return(-1);
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31 }
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32 if (linebuf[0] != '=' || linebuf[1] != '=' || linebuf[2] != '=')
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33 continue;
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34 for (cp = linebuf + 3; isspace(*cp); cp++)
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35 ;
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36 for (np = cp; *cp && !isspace(*cp); cp++)
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37 ;
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38 if (*cp)
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39 *cp++ = '\0';
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40 if (!strcmp(np, topic))
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41 break;
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42 }
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43 for (flag = 0; fgets(linebuf, sizeof linebuf, f); ) {
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44 if (linebuf[0] == '=' && linebuf[1] == '=' &&
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45 linebuf[2] == '=') {
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46 if (flag)
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47 break;
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48 else
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49 continue;
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50 }
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51 fputs(linebuf, stdout);
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52 flag = 1;
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53 }
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54 fclose(f);
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55 return(0);
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56 }
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57
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58 cmd_help(argc, argv)
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59 char **argv;
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60 {
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61 char flashtopic[32];
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62
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63 switch (argc) {
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64 case 1:
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65 return loadtool_help("main");
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66 case 2:
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67 return loadtool_help(argv[1]);
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68 case 3:
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69 if ((!strcmp(argv[1], "flash") || !strcmp(argv[1], "flash2"))
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70 && strlen(argv[2]) <= 20) {
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71 sprintf(flashtopic, "flash:%s", argv[2]);
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72 return loadtool_help(flashtopic);
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73 }
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74 fprintf(stderr, "No such help topic\n");
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75 return(-1);
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76 default:
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77 fprintf(stderr, "internal error in cmd_help(): bad argc\n");
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78 abort();
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79 }
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80 }