Mercurial > trustbridge

annotate common/listutil.c @ 108:39c42b5a5693

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Syntax fix
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 21 Mar 2014 16:05:33 +0000
parents 0798b9e35725
children b0579d4fa186
rev   line source
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
1 #include "listutil.h"
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
2
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
3 #include <stdio.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
4 #include <stdlib.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
5 #include <errno.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
6 #include <fcntl.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
7 #include <unistd.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
8 #include <sys/types.h>
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
9 #include <sys/stat.h>
7
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
10 #include <string.h>
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
11
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
12 #ifdef RELEASE
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
13 #include "pubkey-release.h"
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
14 #else
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
15 #include "pubkey-test.h"
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
16 #endif
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
17
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
18 #pragma GCC diagnostic ignored "-Wconversion"
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
19 /* Polarssl mh.h contains a conversion which gcc warns about */
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
20 #include <polarssl/pk.h>
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
21 #include <polarssl/base64.h>
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
22 #include <polarssl/sha256.h>
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
23 #pragma GCC diagnostic pop
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
24
68
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
25 #define MAX_FILESIZE MAX_LINE_LENGTH * MAX_LINES
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
26
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
27 /**
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
28 * @brief Read a file into memory.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
29 *
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
30 * The caller needs to free data
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
31 *
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
32 * @param[in] fileName Name of the file.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
33 * @param[out] data the file content
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
34 * @param[out] size size in bytes of the file content.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
35 * @param[in] max_size the maximum amount of bytes to read.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
36 *
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
37 * @return 0 on success an error code otherwise.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
38 */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
39 #define READ_FILE_UNREADABLE -1
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
40 #define READ_FILE_TOO_LARGE -2
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
41 #define READ_FILE_NO_MEMORY -3
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
42 #define READ_FILE_READ_FAILED -4
86
6f1a73575c99 Check input parameters
Andre Heinecke <aheinecke@intevation.de>
parents: 68
diff changeset
43 #define READ_FILE_INVALID_CALL -5
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
44 static int read_file(const char *file_name, char **data, size_t *size,
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
45 const size_t max_size)
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
46 {
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
47 FILE *f;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
48 long file_size;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
49
86
6f1a73575c99 Check input parameters
Andre Heinecke <aheinecke@intevation.de>
parents: 68
diff changeset
50 if (!file_name || !data || !size || !max_size) {
6f1a73575c99 Check input parameters
Andre Heinecke <aheinecke@intevation.de>
parents: 68
diff changeset
51 return READ_FILE_INVALID_CALL;
6f1a73575c99 Check input parameters
Andre Heinecke <aheinecke@intevation.de>
parents: 68
diff changeset
52 }
6f1a73575c99 Check input parameters
Andre Heinecke <aheinecke@intevation.de>
parents: 68
diff changeset
53
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
54 f = fopen(file_name, "rb");
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
55 if (f == NULL)
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
56 return READ_FILE_UNREADABLE;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
57
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
58 fseek(f, 0, SEEK_END);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
59 file_size = ftell(f);
89
00f9b91f4039 Do not leak a byte if the file is empty
Andre Heinecke <aheinecke@intevation.de>
parents: 86
diff changeset
60 if (file_size <= 0){
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
61 fclose(f);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
62 return READ_FILE_UNREADABLE;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
63 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
64
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
65 fseek(f, 0, SEEK_SET);
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
66
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
67 if (file_size + 1 == 0) {
38
fc6241283474 Fix resource leak when file too large
Andre Heinecke <aheinecke@intevation.de>
parents: 31
diff changeset
68 fclose(f);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
69 return READ_FILE_TOO_LARGE;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
70 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
71 *size = (size_t) file_size;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
72
38
fc6241283474 Fix resource leak when file too large
Andre Heinecke <aheinecke@intevation.de>
parents: 31
diff changeset
73 if (*size > max_size) {
fc6241283474 Fix resource leak when file too large
Andre Heinecke <aheinecke@intevation.de>
parents: 31
diff changeset
74 fclose(f);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
75 return READ_FILE_TOO_LARGE;
38
fc6241283474 Fix resource leak when file too large
Andre Heinecke <aheinecke@intevation.de>
parents: 31
diff changeset
76 }
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
77
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
78 *data = (char *) malloc( *size + 1 );
61
b8cd573bd3ac Fix check for malloc result, found by cppcheck.
Bernhard Reiter <bernhard@intevation.de>
parents: 59
diff changeset
79 if (*data == NULL) {
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
80 fclose(f);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
81 return READ_FILE_NO_MEMORY;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
82 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
83
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
84 if (fread(*data, 1, *size, f) != *size) {
66
4f79cf993737 Tiny improvement: free resources first that you have aquired last. Added TODO for better error reporting.
Bernhard Reiter <bernhard@intevation.de>
parents: 61
diff changeset
85 free(*data);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
86 fclose(f);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
87 return READ_FILE_READ_FAILED;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
88 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
89
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
90 fclose(f);
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
91
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
92 (*data)[*size] = '\0';
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
93
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
94 return 0;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
95 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
96
68
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
97 int verify_list(const char *data, const size_t size)
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
98 {
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
99 int ret = -1;
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
100 pk_context pub_key_ctx;
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
101 char *p;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
102 /* Fixed key size of 3072 implies the sizes*/
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
103 const size_t sig_b64_size = 512;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
104 size_t sig_size = 384;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
105
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
106 char signature_b64[sig_b64_size + 1];
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
107 unsigned char signature[sig_size];
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
108 /* Hash algroithm is sha256 */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
109 unsigned char hash[32];
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
110
93
0798b9e35725 Check parameters in verify list
Andre Heinecke <aheinecke@intevation.de>
parents: 92
diff changeset
111 if (!data || !size) {
0798b9e35725 Check parameters in verify list
Andre Heinecke <aheinecke@intevation.de>
parents: 92
diff changeset
112 return -1;
0798b9e35725 Check parameters in verify list
Andre Heinecke <aheinecke@intevation.de>
parents: 92
diff changeset
113 }
0798b9e35725 Check parameters in verify list
Andre Heinecke <aheinecke@intevation.de>
parents: 92
diff changeset
114
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
115 /* Fetch the signature from the first line od data */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
116 p = strchr(data, '\r');
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
117 if (p == 0 || (unsigned int)(p - (data + 2)) != sig_b64_size) {
40
5cb1eb928253 Clean up debug output / functions
Andre Heinecke <aheinecke@intevation.de>
parents: 38
diff changeset
118 /* printf("Invalid data. Signature might be too long.\n"); */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
119 return -1;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
120 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
121 strncpy(signature_b64, data + 2, sig_b64_size);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
122 signature_b64[sig_b64_size] = '\0';
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
123
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
124 ret = base64_decode(signature, &sig_size,
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
125 (unsigned char *)signature_b64, sig_b64_size);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
126
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
127 if (ret != 0 || sig_size != 384) {
40
5cb1eb928253 Clean up debug output / functions
Andre Heinecke <aheinecke@intevation.de>
parents: 38
diff changeset
128 /* printf("failed to decode signature\n"); */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
129 return -1;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
130 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
131
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
132 /* Hash is calculated over the data without the first line.
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
133 * linebreaks are \r\n so the first char of the new line is
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
134 * p+2 */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
135 p += 2;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
136 /* Size of the data to hash is the size - signature line
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
137 * signature line is sig_b64_size - "S:" and - "\r\n" so -4*/
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
138 sha256((unsigned char *)p, size - sig_b64_size - 4, hash, 0);
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
139
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
140 pk_init(&pub_key_ctx);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
141 #if 0
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
142 {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
143 int i;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
144 FILE *foo = fopen("/tmp/testdump", "w");
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
145 FILE *foo2 = fopen("/tmp/rawdump", "w");
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
146 for (i=0; i< (int)(size - sig_b64_size - 2); i++)
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
147 fprintf (foo, "%c", p[i]);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
148 for (i=0; i< (int)(size); i++)
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
149 fprintf (foo2, "%c", data[i]);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
150 fclose(foo);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
151 printf ("Hash: \n");
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
152 for (i=0; i<32; i++) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
153 printf ("%x", hash[i]);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
154 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
155 printf("\n");
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
156 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
157 #endif
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
158
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
159 ret = pk_parse_public_key(&pub_key_ctx, public_key_pem,
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
160 public_key_pem_size);
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
161 if (ret != 0) {
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
162 printf("pk_parse_public_key failed with -0x%04x\n\n", -ret);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
163 pk_free(&pub_key_ctx);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
164 return ret;
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
165 }
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
166
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
167 ret = pk_verify(&pub_key_ctx, POLARSSL_MD_SHA256, hash, 0,
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
168 signature, sig_size);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
169
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
170 if (ret != 0) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
171 printf("pk_verify failed with -0x%04x\n\n", -ret);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
172 }
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
173 pk_free(&pub_key_ctx);
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
174
28
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
175 return ret;
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
176 }
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
177
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
178 list_status_t read_and_verify_list(const char *file_name, char **data,
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
179 size_t *size)
e783fd99a9eb Add public key parsing
Andre Heinecke <aheinecke@intevation.de>
parents: 22
diff changeset
180 {
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
181 list_status_t retval = UnknownError;
7
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
182 *data = NULL;
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
183 *size = 0;
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
184 int ret = 0;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
185
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
186 ret = read_file(file_name, data, size, MAX_FILESIZE);
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
187
40
5cb1eb928253 Clean up debug output / functions
Andre Heinecke <aheinecke@intevation.de>
parents: 38
diff changeset
188 /* printf ("Ret: %i \n", ret); */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
189 if (ret != 0) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
190 if (ret == READ_FILE_TOO_LARGE) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
191 return TooLarge;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
192 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
193 if (ret == READ_FILE_UNREADABLE) {
66
4f79cf993737 Tiny improvement: free resources first that you have aquired last. Added TODO for better error reporting.
Bernhard Reiter <bernhard@intevation.de>
parents: 61
diff changeset
194 /* TODO: work with errno ? */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
195 return SeekFailed;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
196 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
197 if (ret == READ_FILE_READ_FAILED) {
66
4f79cf993737 Tiny improvement: free resources first that you have aquired last. Added TODO for better error reporting.
Bernhard Reiter <bernhard@intevation.de>
parents: 61
diff changeset
198 /* TODO: work with ferror() or feof() ? */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
199 return ReadFailed;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
200 }
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
201 return UnknownError;
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
202 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
203
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
204 if (!*data || !*size) {
40
5cb1eb928253 Clean up debug output / functions
Andre Heinecke <aheinecke@intevation.de>
parents: 38
diff changeset
205 /* File is probably empty */
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
206 return UnknownError;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
207 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
208
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
209 if (**data != 'S') {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
210 retval = InvalidFormat;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
211 } else {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
212 ret = verify_list (*data, *size);
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
213 if (ret == 0) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
214 /* Hooray */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
215 return Valid;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
216 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
217 if (ret == -1) {
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
218 /* our error */
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
219 retval = InvalidFormat;
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
220 } else {
92
4980b0deb773 Fix memleak in case of invalid signature
Andre Heinecke <aheinecke@intevation.de>
parents: 89
diff changeset
221 retval = InvalidSignature;
31
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
222 }
37fc66967517 Implement signature verification wiht polarssl
Andre Heinecke <aheinecke@intevation.de>
parents: 28
diff changeset
223 }
9
2ad9a96518e3 Actually parse all elements in the list
Andre Heinecke <aheinecke@intevation.de>
parents: 7
diff changeset
224
7
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
225 if (retval != Valid && *data) {
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
226 free(*data);
992c0ec57660 Add unit tests make CertificateList work.
Andre Heinecke <aheinecke@intevation.de>
parents: 4
diff changeset
227 *data = NULL;
4
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
228 *size = 0;
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
229 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
230 return retval;
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
231 }
9849250f50f2 Start implementation of certificatelist parser
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
232
68
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
233 char **get_certs_to_remove(const char *data, const size_t size) {
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
234
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
235 /* TODO */
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
236 if (!data || !size) {
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
237 printf ("Invalid call to get_certs_to_remove \n");
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
238 return NULL;
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
239 }
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
240 return NULL;
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
241 }
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
242
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
243 char **get_certs_to_install(const char *data, const size_t size) {
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
244
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
245 /* TODO */
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
246 if (!data || !size) {
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
247 printf ("Invalid call to get_certs_to_install \n");
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
248 return NULL;
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
249 }
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
250 return NULL;
8ffbb48528ae Add certificate installation for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 66
diff changeset
251 }
http://wald.intevation.org/projects/trustbridge/