/src/tmux/fuzz/style-fuzzer.c
Line | Count | Source |
1 | | /* |
2 | | * Copyright (c) 2026 David Korczynski <david@adalogics.com> |
3 | | * |
4 | | * Permission to use, copy, modify, and distribute this software for any |
5 | | * purpose with or without fee is hereby granted, provided that the above |
6 | | * copyright notice and this permission notice appear in all copies. |
7 | | * |
8 | | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
9 | | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
10 | | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
11 | | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
12 | | * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER |
13 | | * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
14 | | * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
15 | | */ |
16 | | |
17 | | /* |
18 | | * Fuzz the tmux style parser (style_parse). |
19 | | * |
20 | | * This exercises: |
21 | | * - style.c (style string parsing, alignment, ranges) |
22 | | * - colour.c (colour name, RGB, and indexed colour parsing) |
23 | | */ |
24 | | |
25 | | #include <stddef.h> |
26 | | #include <string.h> |
27 | | |
28 | | #include "tmux.h" |
29 | | |
30 | | struct event_base *libevent; |
31 | | |
32 | | int |
33 | | LLVMFuzzerTestOneInput(const u_char *data, size_t size) |
34 | 3.55k | { |
35 | 3.55k | struct style sy; |
36 | 3.55k | struct grid_cell gc; |
37 | 3.55k | char *buf; |
38 | | |
39 | 3.55k | if (size > 512 || size == 0) |
40 | 0 | return 0; |
41 | | |
42 | | /* Null-terminate the input for style_parse. */ |
43 | 3.55k | buf = malloc(size + 1); |
44 | 3.55k | if (buf == NULL) |
45 | 0 | return 0; |
46 | 3.55k | memcpy(buf, data, size); |
47 | 3.55k | buf[size] = '\0'; |
48 | | |
49 | 3.55k | memset(&gc, 0, sizeof gc); |
50 | 3.55k | style_set(&sy, &gc); |
51 | | |
52 | 3.55k | style_parse(&sy, &gc, buf); |
53 | | |
54 | 3.55k | free(buf); |
55 | 3.55k | return 0; |
56 | 3.55k | } |
57 | | |
58 | | int |
59 | | LLVMFuzzerInitialize(__unused int *argc, __unused char ***argv) |
60 | 6 | { |
61 | 6 | const struct options_table_entry *oe; |
62 | | |
63 | 6 | global_environ = environ_create(); |
64 | 6 | global_options = options_create(NULL); |
65 | 6 | global_s_options = options_create(NULL); |
66 | 6 | global_w_options = options_create(NULL); |
67 | 1.29k | for (oe = options_table; oe->name != NULL; oe++) { |
68 | 1.28k | if (oe->scope & OPTIONS_TABLE_SERVER) |
69 | 150 | options_default(global_options, oe); |
70 | 1.28k | if (oe->scope & OPTIONS_TABLE_SESSION) |
71 | 666 | options_default(global_s_options, oe); |
72 | 1.28k | if (oe->scope & OPTIONS_TABLE_WINDOW) |
73 | 468 | options_default(global_w_options, oe); |
74 | 1.28k | } |
75 | 6 | libevent = osdep_event_init(); |
76 | 6 | socket_path = xstrdup("dummy"); |
77 | | |
78 | 6 | return 0; |
79 | 6 | } |