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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
0284adc6 | 2 | |
cf0fbc49 | 3 | #include <fcntl.h> |
0284adc6 LP |
4 | #include <stdio.h> |
5 | #include <unistd.h> | |
0284adc6 | 6 | |
3ffd4af2 | 7 | #include "fd-util.h" |
0284adc6 LP |
8 | #include "journal-file.h" |
9 | #include "journal-verify.h" | |
3ffd4af2 LP |
10 | #include "log.h" |
11 | #include "rm-rf.h" | |
288a74cc | 12 | #include "terminal-util.h" |
3ffd4af2 | 13 | #include "util.h" |
0284adc6 LP |
14 | |
15 | #define N_ENTRIES 6000 | |
16 | #define RANDOM_RANGE 77 | |
17 | ||
b72631e5 LP |
18 | static void bit_toggle(const char *fn, uint64_t p) { |
19 | uint8_t b; | |
20 | ssize_t r; | |
21 | int fd; | |
22 | ||
23 | fd = open(fn, O_RDWR|O_CLOEXEC); | |
787784c4 | 24 | assert_se(fd >= 0); |
b72631e5 LP |
25 | |
26 | r = pread(fd, &b, 1, p/8); | |
787784c4 | 27 | assert_se(r == 1); |
b72631e5 LP |
28 | |
29 | b ^= 1 << (p % 8); | |
30 | ||
31 | r = pwrite(fd, &b, 1, p/8); | |
787784c4 | 32 | assert_se(r == 1); |
b72631e5 | 33 | |
03e334a1 | 34 | safe_close(fd); |
b72631e5 LP |
35 | } |
36 | ||
37 | static int raw_verify(const char *fn, const char *verification_key) { | |
38 | JournalFile *f; | |
39 | int r; | |
40 | ||
57850536 | 41 | r = journal_file_open(-1, fn, O_RDONLY, 0666, true, (uint64_t) -1, !!verification_key, NULL, NULL, NULL, NULL, &f); |
b72631e5 LP |
42 | if (r < 0) |
43 | return r; | |
44 | ||
45 | r = journal_file_verify(f, verification_key, NULL, NULL, NULL, false); | |
69a3a6fd | 46 | (void) journal_file_close(f); |
b72631e5 LP |
47 | |
48 | return r; | |
49 | } | |
50 | ||
0284adc6 LP |
51 | int main(int argc, char *argv[]) { |
52 | char t[] = "/tmp/journal-XXXXXX"; | |
53 | unsigned n; | |
54 | JournalFile *f; | |
14d10188 | 55 | const char *verification_key = argv[1]; |
b72631e5 | 56 | usec_t from = 0, to = 0, total = 0; |
6c7be122 LP |
57 | char a[FORMAT_TIMESTAMP_MAX]; |
58 | char b[FORMAT_TIMESTAMP_MAX]; | |
59 | char c[FORMAT_TIMESPAN_MAX]; | |
b72631e5 LP |
60 | struct stat st; |
61 | uint64_t p; | |
0284adc6 | 62 | |
143bfdaf HHPF |
63 | /* journal_file_open requires a valid machine id */ |
64 | if (access("/etc/machine-id", F_OK) != 0) | |
65 | return EXIT_TEST_SKIP; | |
66 | ||
0284adc6 LP |
67 | log_set_max_level(LOG_DEBUG); |
68 | ||
69 | assert_se(mkdtemp(t)); | |
70 | assert_se(chdir(t) >= 0); | |
71 | ||
72 | log_info("Generating..."); | |
73 | ||
57850536 | 74 | assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, true, (uint64_t) -1, !!verification_key, NULL, NULL, NULL, NULL, &f) == 0); |
0284adc6 LP |
75 | |
76 | for (n = 0; n < N_ENTRIES; n++) { | |
77 | struct iovec iovec; | |
78 | struct dual_timestamp ts; | |
79 | char *test; | |
80 | ||
81 | dual_timestamp_get(&ts); | |
82 | ||
83 | assert_se(asprintf(&test, "RANDOM=%lu", random() % RANDOM_RANGE)); | |
84 | ||
85 | iovec.iov_base = (void*) test; | |
86 | iovec.iov_len = strlen(test); | |
87 | ||
d180c349 | 88 | assert_se(journal_file_append_entry(f, &ts, NULL, &iovec, 1, NULL, NULL, NULL) == 0); |
0284adc6 LP |
89 | |
90 | free(test); | |
91 | } | |
92 | ||
69a3a6fd | 93 | (void) journal_file_close(f); |
0284adc6 LP |
94 | |
95 | log_info("Verifying..."); | |
96 | ||
57850536 | 97 | assert_se(journal_file_open(-1, "test.journal", O_RDONLY, 0666, true, (uint64_t) -1, !!verification_key, NULL, NULL, NULL, NULL, &f) == 0); |
f7fab8a5 LP |
98 | /* journal_file_print_header(f); */ |
99 | journal_file_dump(f); | |
3223f44f | 100 | |
b72631e5 | 101 | assert_se(journal_file_verify(f, verification_key, &from, &to, &total, true) >= 0); |
6c7be122 | 102 | |
ece174c5 | 103 | if (verification_key && JOURNAL_HEADER_SEALED(f->header)) |
b72631e5 LP |
104 | log_info("=> Validated from %s to %s, %s missing", |
105 | format_timestamp(a, sizeof(a), from), | |
106 | format_timestamp(b, sizeof(b), to), | |
2fa4092c | 107 | format_timespan(c, sizeof(c), total > to ? total - to : 0, 0)); |
feb12d3e | 108 | |
69a3a6fd | 109 | (void) journal_file_close(f); |
0284adc6 | 110 | |
f7fab8a5 LP |
111 | if (verification_key) { |
112 | log_info("Toggling bits..."); | |
b72631e5 | 113 | |
f7fab8a5 | 114 | assert_se(stat("test.journal", &st) >= 0); |
b72631e5 | 115 | |
f7fab8a5 LP |
116 | for (p = 38448*8+0; p < ((uint64_t) st.st_size * 8); p ++) { |
117 | bit_toggle("test.journal", p); | |
b72631e5 | 118 | |
507f22bd | 119 | log_info("[ %"PRIu64"+%"PRIu64"]", p / 8, p % 8); |
b72631e5 | 120 | |
f7fab8a5 | 121 | if (raw_verify("test.journal", verification_key) >= 0) |
1fc464f6 | 122 | log_notice(ANSI_HIGHLIGHT_RED ">>>> %"PRIu64" (bit %"PRIu64") can be toggled without detection." ANSI_NORMAL, p / 8, p % 8); |
b72631e5 | 123 | |
f7fab8a5 LP |
124 | bit_toggle("test.journal", p); |
125 | } | |
b72631e5 LP |
126 | } |
127 | ||
0284adc6 LP |
128 | log_info("Exiting..."); |
129 | ||
c6878637 | 130 | assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); |
0284adc6 LP |
131 | |
132 | return 0; | |
133 | } |