Mercurial > trustbridge
comparison 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 |
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| 58:ad61489ce593 | 59:3f6378647371 |
|---|---|
| 3 * The cinst process may or may not be run with elevated | 3 * The cinst process may or may not be run with elevated |
| 4 * privileges. When run with elevated privileges this | 4 * privileges. When run with elevated privileges this |
| 5 * process will modify system wide certificate stores. | 5 * process will modify system wide certificate stores. |
| 6 * Otherwise only the users certificate stores are modified. | 6 * Otherwise only the users certificate stores are modified. |
| 7 * | 7 * |
| 8 * TODO | 8 * It expects a certificatelist on stdin enclosed in a |
| 9 * -----BEGIN CERTIFICATE LIST----- | |
| 10 * ... | |
| 11 * -----END CERTIFICATE LIST----- | |
| 12 * | |
| 13 * Followed by additional instruction lines of: | |
| 14 * I:<certificate> | |
| 15 * R:<certificate> | |
| 16 * | |
| 17 * It will only execute the instructions if the | |
| 18 * I and R instructions are also part of the signed | |
| 19 * certificate list. The signature is validated with the | |
| 20 * built in key. | |
| 21 * | |
| 22 * The special instruction "UNINSTALL" will cause the installer | |
| 23 * to remove all certificates (Even those marked with I) that | |
| 24 * are part of the list to be removed. | |
| 9 * | 25 * |
| 10 **/ | 26 **/ |
| 27 #define MAX_LINE_LENGTH 1000 | |
| 28 #define MAX_LINES 1000 | |
| 29 #define MAX_INPUT_SIZE 2000000 /* MAX_LINE_LENGTH * (MAX_LINES *2) */ | |
| 11 | 30 |
| 12 #include <stdio.h> | 31 #include <stdio.h> |
| 32 #include <string.h> | |
| 33 #include <assert.h> | |
| 34 | |
| 35 #include "strhelp.h" | |
| 36 #include "listutil.h" | |
| 37 | |
| 38 /* @brief Read stdin into data structures. | |
| 39 * | |
| 40 * Reads from stdin and sorts the input into the respective | |
| 41 * variables. The pointers returned need to be freed by the caller. | |
| 42 * Terminates in OOM conditions. | |
| 43 * | |
| 44 * @returns: 0 on success. -1 otherwise. | |
| 45 */ | |
| 46 void readInput(char **certificateList, char ***to_install, | |
| 47 char ***to_remove) | |
| 48 { | |
| 49 int lines_read = 0; | |
| 50 int readingList = 0; | |
| 51 char buf[MAX_LINE_LENGTH + 1]; | |
| 52 | |
| 53 while (fgets(buf, MAX_LINE_LENGTH + 1, stdin)) { | |
| 54 if (lines_read ++ > MAX_LINES) { | |
| 55 printf("Too many lines\n"); | |
| 56 } | |
| 57 if (strcmp("-----BEGIN CERTIFICATE LIST-----", buf) == 0){ | |
| 58 readingList = 1; | |
| 59 continue; | |
| 60 } | |
| 61 if (strcmp("-----END CERTIFICATE LIST-----", buf) == 0){ | |
| 62 readingList = 0; | |
| 63 continue; | |
| 64 } | |
| 65 if (readingList) { | |
| 66 str_append_str(certificateList, buf); | |
| 67 continue; | |
| 68 } | |
| 69 if (*buf == 'I') { | |
| 70 array_append_str(to_install, buf+2); | |
| 71 continue; | |
| 72 } | |
| 73 if (*buf == 'R') { | |
| 74 array_append_str(to_remove, buf+2); | |
| 75 continue; | |
| 76 } | |
| 77 if (strcmp("UNINSTALL", buf) == 0) { | |
| 78 array_append_str(to_remove, buf); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 return; | |
| 83 } | |
| 13 | 84 |
| 14 int main() { | 85 int main() { |
| 86 | |
| 87 char **to_install = NULL; | |
| 88 char **to_remove = NULL; | |
| 89 char *certificateList = NULL; | |
| 90 int ret = -1; | |
| 91 | |
| 92 readInput(&certificateList, &to_install, &to_remove); | |
| 93 | |
| 94 ret = verify_list(certificateList, strlen(certificateList)); | |
| 95 | |
| 96 printf ("Verify List returned %i\n", ret); | |
| 97 | |
| 15 return 0; | 98 return 0; |
| 16 } | 99 } |