mirror of https://github.com/google/oss-fuzz.git
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
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/* Copyright 2021 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <sys_defs.h>
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#include <stdarg.h>
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#include <ctype.h>
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#include <string.h>
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#include <mymalloc.h>
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#include <msg.h>
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#include <vstring.h>
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#include <rec_type.h>
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#include <is_header.h>
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#include <header_opts.h>
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#include <mail_params.h>
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#include <header_token.h>
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#include <lex_822.h>
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#include <mime_state.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stringops.h>
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#include <vstream.h>
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#include <msg_vstream.h>
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#include <rec_streamlf.h>
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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// Define empty callback functions
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static void head_out(void *context, int class, const HEADER_OPTS *unused_info,
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VSTRING *buf, off_t offset) {}
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static void head_end(void *context) {}
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static void body_end(void *context) {}
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static void err_print(void *unused_context, int err_flag, const char *text,
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ssize_t len) {}
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static void body_out(void *context, int rec_type, const char *buf, ssize_t len,
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off_t offset) {}
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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char *new_str = (char *)malloc(size + 1);
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if (new_str == NULL) {
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return 0;
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}
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memcpy(new_str, data, size);
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new_str[size] = '\0';
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#define MIME_OPTIONS \
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(MIME_OPT_REPORT_8BIT_IN_7BIT_BODY | MIME_OPT_REPORT_8BIT_IN_HEADER | \
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MIME_OPT_REPORT_ENCODING_DOMAIN | MIME_OPT_REPORT_TRUNC_HEADER | \
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MIME_OPT_REPORT_NESTING | MIME_OPT_DOWNGRADE)
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int rec_type = REC_TYPE_NORM;
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int err;
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// Simple single call of mime_state_update for now.
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MIME_STATE *state;
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msg_vstream_init("fuzz_mime", VSTREAM_OUT);
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state = mime_state_alloc(MIME_OPTIONS, head_out, head_end, body_out, body_end,
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err_print, (void *)VSTREAM_OUT);
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mime_state_update(state, rec_type, new_str, size);
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mime_state_free(state);
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free(new_str);
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return 0;
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}
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