annotate cinst/main.c @ 59:3f6378647371

Start work on cinst. Strhelp new helpers to work with C String arrays and to have a terminating malloc / realloc
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 18 Mar 2014 10:04:30 +0000
parents cbd57d767dfa
children 6acb1dae6185
rev   line source
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92108a2120f1 Move certificatelist to common. Add cinst directory
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1 /** @brief Main entry point for the cinst process.
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2 *
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3 * The cinst process may or may not be run with elevated
92108a2120f1 Move certificatelist to common. Add cinst directory
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4 * privileges. When run with elevated privileges this
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5 * process will modify system wide certificate stores.
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6 * Otherwise only the users certificate stores are modified.
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7 *
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8 * It expects a certificatelist on stdin enclosed in a
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9 * -----BEGIN CERTIFICATE LIST-----
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10 * ...
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11 * -----END CERTIFICATE LIST-----
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12 *
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13 * Followed by additional instruction lines of:
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14 * I:<certificate>
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15 * R:<certificate>
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16 *
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17 * It will only execute the instructions if the
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18 * I and R instructions are also part of the signed
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19 * certificate list. The signature is validated with the
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
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20 * built in key.
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21 *
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22 * The special instruction "UNINSTALL" will cause the installer
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23 * to remove all certificates (Even those marked with I) that
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24 * are part of the list to be removed.
25
92108a2120f1 Move certificatelist to common. Add cinst directory
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25 *
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26 **/
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27 #define MAX_LINE_LENGTH 1000
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28 #define MAX_LINES 1000
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29 #define MAX_INPUT_SIZE 2000000 /* MAX_LINE_LENGTH * (MAX_LINES *2) */
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31 #include <stdio.h>
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32 #include <string.h>
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33 #include <assert.h>
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34
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35 #include "strhelp.h"
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36 #include "listutil.h"
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37
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38 /* @brief Read stdin into data structures.
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39 *
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40 * Reads from stdin and sorts the input into the respective
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41 * variables. The pointers returned need to be freed by the caller.
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
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42 * Terminates in OOM conditions.
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43 *
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44 * @returns: 0 on success. -1 otherwise.
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45 */
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46 void readInput(char **certificateList, char ***to_install,
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47 char ***to_remove)
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48 {
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49 int lines_read = 0;
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50 int readingList = 0;
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51 char buf[MAX_LINE_LENGTH + 1];
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52
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53 while (fgets(buf, MAX_LINE_LENGTH + 1, stdin)) {
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54 if (lines_read ++ > MAX_LINES) {
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55 printf("Too many lines\n");
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56 }
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57 if (strcmp("-----BEGIN CERTIFICATE LIST-----", buf) == 0){
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58 readingList = 1;
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59 continue;
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60 }
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61 if (strcmp("-----END CERTIFICATE LIST-----", buf) == 0){
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62 readingList = 0;
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63 continue;
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64 }
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65 if (readingList) {
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66 str_append_str(certificateList, buf);
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67 continue;
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68 }
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69 if (*buf == 'I') {
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70 array_append_str(to_install, buf+2);
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71 continue;
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72 }
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73 if (*buf == 'R') {
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74 array_append_str(to_remove, buf+2);
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75 continue;
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76 }
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77 if (strcmp("UNINSTALL", buf) == 0) {
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78 array_append_str(to_remove, buf);
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79 }
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80 }
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81
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82 return;
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83 }
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92108a2120f1 Move certificatelist to common. Add cinst directory
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84
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85 int main() {
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86
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87 char **to_install = NULL;
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88 char **to_remove = NULL;
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89 char *certificateList = NULL;
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90 int ret = -1;
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91
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92 readInput(&certificateList, &to_install, &to_remove);
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93
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94 ret = verify_list(certificateList, strlen(certificateList));
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95
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96 printf ("Verify List returned %i\n", ret);
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97
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98 return 0;
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99 }

http://wald.intevation.org/projects/trustbridge/