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90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 2020 Sergey Nizovtsev <snizovtsev@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stddef.h>
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#include <assert.h>
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#include "tmux.h"
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#define FUZZER_MAXLEN 512
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#define PANE_WIDTH 80
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#define PANE_HEIGHT 25
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struct event_base *libevent;
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int
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LLVMFuzzerTestOneInput(const unsigned char *data, size_t size)
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{
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struct bufferevent *vpty[2];
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struct window *w;
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struct window_pane *wp;
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int error;
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/*
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* Since AFL doesn't support -max_len paramenter we have to
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* discard long inputs manually.
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*/
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if (size > FUZZER_MAXLEN)
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return 0;
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w = window_create(PANE_WIDTH, PANE_HEIGHT, 0, 0);
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wp = window_add_pane(w, NULL, 0, 0);
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bufferevent_pair_new(libevent, BEV_OPT_CLOSE_ON_FREE, vpty);
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wp->ictx = input_init(wp, vpty[0]);
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window_add_ref(w, __func__);
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input_parse_buffer(wp, (u_char*) data, size);
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while (cmdq_next(NULL) != 0)
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;
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error = event_base_loop(libevent, EVLOOP_NONBLOCK);
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if (error == -1)
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errx(1, "event_base_loop failed");
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assert(w->references == 1);
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window_remove_ref(w, __func__);
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bufferevent_free(vpty[0]);
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bufferevent_free(vpty[1]);
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return 0;
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}
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int
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LLVMFuzzerInitialize(__unused int *argc, __unused char ***argv)
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{
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const struct options_table_entry *oe;
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global_environ = environ_create();
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global_options = options_create(NULL);
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global_s_options = options_create(NULL);
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global_w_options = options_create(NULL);
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for (oe = options_table; oe->name != NULL; oe++) {
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if (oe->scope & OPTIONS_TABLE_SERVER)
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options_default(global_options, oe);
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if (oe->scope & OPTIONS_TABLE_SESSION)
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options_default(global_s_options, oe);
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if (oe->scope & OPTIONS_TABLE_WINDOW)
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options_default(global_w_options, oe);
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}
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libevent = osdep_event_init();
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options_set_number(global_w_options, "monitor-bell", 0);
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options_set_number(global_w_options, "allow-rename", 1);
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options_set_number(global_options, "set-clipboard", 2);
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return 0;
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}
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