Mercurial > trustbridge

annotate cinst/main.c @ 59:3f6378647371

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