/src/fluent-bit/tests/internal/fuzzers/config_fuzzer.c

Source (jump to first uncovered line)
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_slist.h>
#include <fluent-bit/flb_kv.h>
#include "flb_fuzz_header.h"

/* A sample of configurations */
char conf_file[] = "# Parser: no_year\n"
"# ===============\n"
"# the given format don't contain the Year, this is a common\n"
"# case on old Syslog implementations.\n"
"#\n"
"[PARSER]\n"
"    Name        no_year\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S\n"
"    Time_Keep   On\n"
"\n"
"# Parser: no_year_N\n"
"# =================\n"
"# Just for compatibility, check a string with no year but including Nanoseconds.\n"
"#\n"
"[PARSER]\n"
"    Name        no_year_N\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S.%L\n"
"    Time_Keep   On\n"
"\n"
"# Parser: no_year_NC\n"
"# =================\n"
"# Just for compatibility, check a string with no year but including Nanoseconds with comma as fractional separator.\n"
"#\n"
"[PARSER]\n"
"    Name        no_year_NC\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S,%L\n"
"    Time_Keep   On\n"
"\n"
"# Parser: no_year_TZ\n"
"# =================\n"
"# Time string with no year and including timezone\n"
"#\n"
"[PARSER]\n"
"    Name        no_year_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S %z\n"
"    Time_Keep   On\n"
"\n"
"# Parser: no_year_N_TZ\n"
"# ====================\n"
"# Time string with no year, nanoseconds and timezone\n"
"#\n"
"[PARSER]\n"
"    Name        no_year_N_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S.%L %z\n"
"    Time_Keep   On\n"
"\n"
"\n"
"# Parser: no_year_NC_TZ\n"
"# ====================\n"
"# Time string with no year, nanoseconds and timezone with comma as fractional separator.\n"
"#\n"
"[PARSER]\n"
"    Name        no_year_NC_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %b %d %H:%M:%S,%L %z\n"
"    Time_Keep   On\n"
"\n"
"\n"
"# Parser: default_UTC\n"
"# ===================\n"
"# Time string with timezone in UTC\n"
"#\n"
"[PARSER]\n"
"    Name        default_UTC\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S\n"
"    Time_Keep   On\n"
"\n"
"# Parser: default_UTC_Z\n"
"# =====================\n"
"# Time string with timezone in UTC and ending Z\n"
"#\n"
"[PARSER]\n"
"    Name        default_UTC_Z\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%SZ\n"
"    Time_Keep   On\n"
"\n"
"# Parser: default_UTC_N_Z\n"
"# =======================\n"
"# Time string with timezone in UTC, nanoseconds and ending Z\n"
"#\n"
"[PARSER]\n"
"    Name        default_UTC_N_Z\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S.%LZ\n"
"    Time_Keep   On\n"
"\n"
"# Parser: default_UTC_NC_Z\n"
"# =======================\n"
"# Time string with timezone in UTC, nanoseconds with comma as fractional separator and ending Z\n"
"#\n"
"[PARSER]\n"
"    Name        default_UTC_NC_Z\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S,%LZ\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic_TZ\n"
"# ==================\n"
"# Generic date with timezone\n"
"#\n"
"[PARSER]\n"
"    Name        generic_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S %z\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic\n"
"# ===============\n"
"# Generic date\n"
"#\n"
"[PARSER]\n"
"    Name        generic\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic_N\n"
"# ===============\n"
"# Generic date with nanoseconds\n"
"#\n"
"[PARSER]\n"
"    Name        generic_N\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S.%L\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic_NC\n"
"# ===============\n"
"# Generic date with nanoseconds with comma as fractional separator\n"
"#\n"
"[PARSER]\n"
"    Name        generic_NC\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S,%L\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic_N_TZ\n"
"# ====================\n"
"# Generic date with nanoseconds and timezone\n"
"#\n"
"[PARSER]\n"
"    Name        generic_N_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S.%L %z\n"
"    Time_Keep   On\n"
"\n"
"# Parser: generic_NC_TZ\n"
"# ====================\n"
"# Generic date with nanoseconds with comma as fractional separator and timezone\n"
"#\n"
"[PARSER]\n"
"    Name        generic_NC_TZ\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S,%L %z\n"
"    Time_Keep   On\n"
"\n"
"# Parser: apache_error\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        apache_error\n"
"    Format      json\n"
"    Time_Key    time\n"
"    Time_Format %a %b %d %H:%M:%S.%L %Y\n"
"    Time_Keep   On\n"
"# Parser: mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        mysql_quoted_stuff\n"
"    Format      regex\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   mysql_quoted key001\n"
"# Parser: REGEX_generic_NC_TZ\n"
"# ====================\n"
"# Generic date with nanoseconds with comma as fractional separator and timezone\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX_generic_NC_TZ\n"
"    Format      regex\n"
"    Regex       ^(?<key001>[^ ]*) (?<key002>[^ ]*) (?<time>.+)$\n"
"    Time_Key    time\n"
"    Time_Format %m/%d/%Y %H:%M:%S,%L %z\n"
"    Time_Keep   On\n"
"\n"
"# Parser: REGEX_apache_error\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX_apache_error\n"
"    Format      regex\n"
"    Regex       ^(?<key001>[^ ]*) (?<key002>[^ ]*) (?<time>.+)$\n"
"    Time_Key    time\n"
"    Time_Format %a %b %d %H:%M:%S.%L %Y\n"
"    Time_Keep   On\n"
"\n"
"\n"
"\n"
"# Parser: REGEX_mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX_mysql_quoted_stuff\n"
"    Format      regex\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   mysql_quoted key001\n"
"\n"
"\n"
"\n"
"# Parser: REGEX2_mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX2_mysql_quoted_stuff\n"
"    Format      logfmt\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   mysql_quoted key001\n"
"    Types A1:integer A2:string A3:bool A4:float A5:hex\n"
"\n"
"\n"
"\n"
"# Parser: REGEX3_mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX3_mysql_quoted_stuff\n"
"    Format      json\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   escaped_utf8 key001\n"
"    Types A1:integer A2:string A3:bool A4:float A5:hex\n"
"\n"
"\n"
"\n"
"# Parser: REGEX33_mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX33_mysql_quoted_stuff\n"
"    Format      json\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   escaped key001\n"
"    Types A1:integer A2:string A3:bool A4:float A5:hex\n"
"\n"
"\n"
"\n"
"# Parser: REGEX4_mysql_quoted_stuff\n"
"# ====================\n"
"# Apache error log time format\n"
"#\n"
"[PARSER]\n"
"    Name        REGEX4_mysql_quoted_stuff\n"
"    Format      json\n"
"    Regex       ^(?<time>.*?),(?<key001>.*)$\n"
"    Time_Key    time\n"
"    Time_Format %Y-%M-%S %H:%M:%S\n"
"    Time_Keep   On\n"
"    Decode_Field_As   json key001\n"
"    Types A1:integer A2:string A3:bool A4:float A5:hex\n"
"[MULTILINE_PARSER]\n"
"    name          exception_test\n"
"    type          regex\n"
"    flush_timeout 1000\n"
"    rule          \"start_state\"  \"/(Dec \\d+ \\d+\\:\\d+\\:\\d+)(.*)/\" \"cont\"\n"
"    rule          \"cont\" \"/^\\s+at.*/\" \"cont\"\n";


int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    /* Set fuzzer-malloc chance of failure */
    flb_malloc_p = 0;
    flb_malloc_mod = 25000;

    /* Limit the size of the config files to 32KB. */
    if (size > 32768) {
        return 0;
    }

    /* Write the config file to a location we know OSS-Fuzz has */
    char filename[256];
    sprintf(filename, "/tmp/libfuzzer.%d", getpid());
    FILE *fp = fopen(filename, "wb");
    if (!fp) {
        return 0;
    }
    fwrite(conf_file, strlen(conf_file), 1, fp);
    fclose(fp);


    /* Now parse random data based on the config files */
    struct flb_config *config = NULL;
    config = flb_config_init();
    int ret = flb_parser_conf_file(filename, config);
    if (ret == 0) {
        struct mk_list *head = NULL;
        mk_list_foreach(head, &config->parsers) {
            size_t out_size;
            char *out_buf = NULL;
            struct flb_parser *parser = NULL;
            struct flb_time out_time;
            parser = mk_list_entry(head, struct flb_parser, _head);
            flb_parser_do(parser, (const char*)data, size, (void **)&out_buf,
                          &out_size, &out_time);
            if (out_buf != NULL) {
                free(out_buf);
            }
        }
    }
    flb_parser_exit(config);
    flb_config_exit(config);

    if (size > 100) {
        /* Now let's do a second run where we also call flb_config_set_property */
        config = flb_config_init();
        ret = flb_parser_conf_file(filename, config);
        char *key_1 = get_null_terminated(15, &data, &size);
        char *val_1 = get_null_terminated(15, &data, &size);
        char *key_2 = get_null_terminated(15, &data, &size);
        char *val_2 = get_null_terminated(15, &data, &size);
        char *progname = get_null_terminated(15, &data, &size);

        flb_config_set_property(config, key_1, val_1);
        flb_config_set_property(config, key_2, val_2);
        flb_config_set_program_name(config, progname);
        set_log_level_from_env(config);

        struct mk_list prop;
        flb_kv_init(&prop);
        flb_kv_item_create(&prop, key_1, val_1);
        flb_config_prop_get(progname, &prop);
        flb_slist_entry_get(&prop, (int)data[0]);
        flb_slist_dump(&prop);
        
        if (ret == 0) {
            struct mk_list *head = NULL;
            mk_list_foreach(head, &config->parsers) {
                size_t out_size;
                char *out_buf = NULL;
                struct flb_parser *parser = NULL;
                struct flb_time out_time;
                
                parser = mk_list_entry(head, struct flb_parser, _head);
                flb_parser_do(parser, (const char*)data, size, (void **)&out_buf,
                              &out_size, &out_time);
                if (out_buf != NULL) {
                    free(out_buf);
                }
            }
        }
        flb_parser_exit(config);
        flb_config_exit(config);
        flb_free(key_1);
        flb_free(val_1);
        flb_free(key_2);
        flb_free(val_2);
        flb_free(progname);
        flb_kv_release(&prop);
    }

    /* clean up the file */
    unlink(filename);

    return 0;
}

Coverage Report

Created: 2024-09-19 07:08

Line	Count	Source (jump to first uncovered line)
1		#include <stdint.h>
2		#include <string.h>
3		#include <stdlib.h>
4		#include <fluent-bit/flb_parser.h>
5		#include <fluent-bit/flb_slist.h>
6		#include <fluent-bit/flb_kv.h>
7		#include "flb_fuzz_header.h"
8
9		/* A sample of configurations */
10		char conf_file[] = "# Parser: no_year\n"
11		"# ===============\n"
12		"# the given format don't contain the Year, this is a common\n"
13		"# case on old Syslog implementations.\n"
14		"#\n"
15		"[PARSER]\n"
16		" Name no_year\n"
17		" Format json\n"
18		" Time_Key time\n"
19		" Time_Format %b %d %H:%M:%S\n"
20		" Time_Keep On\n"
21		"\n"
22		"# Parser: no_year_N\n"
23		"# =================\n"
24		"# Just for compatibility, check a string with no year but including Nanoseconds.\n"
25		"#\n"
26		"[PARSER]\n"
27		" Name no_year_N\n"
28		" Format json\n"
29		" Time_Key time\n"
30		" Time_Format %b %d %H:%M:%S.%L\n"
31		" Time_Keep On\n"
32		"\n"
33		"# Parser: no_year_NC\n"
34		"# =================\n"
35		"# Just for compatibility, check a string with no year but including Nanoseconds with comma as fractional separator.\n"
36		"#\n"
37		"[PARSER]\n"
38		" Name no_year_NC\n"
39		" Format json\n"
40		" Time_Key time\n"
41		" Time_Format %b %d %H:%M:%S,%L\n"
42		" Time_Keep On\n"
43		"\n"
44		"# Parser: no_year_TZ\n"
45		"# =================\n"
46		"# Time string with no year and including timezone\n"
47		"#\n"
48		"[PARSER]\n"
49		" Name no_year_TZ\n"
50		" Format json\n"
51		" Time_Key time\n"
52		" Time_Format %b %d %H:%M:%S %z\n"
53		" Time_Keep On\n"
54		"\n"
55		"# Parser: no_year_N_TZ\n"
56		"# ====================\n"
57		"# Time string with no year, nanoseconds and timezone\n"
58		"#\n"
59		"[PARSER]\n"
60		" Name no_year_N_TZ\n"
61		" Format json\n"
62		" Time_Key time\n"
63		" Time_Format %b %d %H:%M:%S.%L %z\n"
64		" Time_Keep On\n"
65		"\n"
66		"\n"
67		"# Parser: no_year_NC_TZ\n"
68		"# ====================\n"
69		"# Time string with no year, nanoseconds and timezone with comma as fractional separator.\n"
70		"#\n"
71		"[PARSER]\n"
72		" Name no_year_NC_TZ\n"
73		" Format json\n"
74		" Time_Key time\n"
75		" Time_Format %b %d %H:%M:%S,%L %z\n"
76		" Time_Keep On\n"
77		"\n"
78		"\n"
79		"# Parser: default_UTC\n"
80		"# ===================\n"
81		"# Time string with timezone in UTC\n"
82		"#\n"
83		"[PARSER]\n"
84		" Name default_UTC\n"
85		" Format json\n"
86		" Time_Key time\n"
87		" Time_Format %m/%d/%Y %H:%M:%S\n"
88		" Time_Keep On\n"
89		"\n"
90		"# Parser: default_UTC_Z\n"
91		"# =====================\n"
92		"# Time string with timezone in UTC and ending Z\n"
93		"#\n"
94		"[PARSER]\n"
95		" Name default_UTC_Z\n"
96		" Format json\n"
97		" Time_Key time\n"
98		" Time_Format %m/%d/%Y %H:%M:%SZ\n"
99		" Time_Keep On\n"
100		"\n"
101		"# Parser: default_UTC_N_Z\n"
102		"# =======================\n"
103		"# Time string with timezone in UTC, nanoseconds and ending Z\n"
104		"#\n"
105		"[PARSER]\n"
106		" Name default_UTC_N_Z\n"
107		" Format json\n"
108		" Time_Key time\n"
109		" Time_Format %m/%d/%Y %H:%M:%S.%LZ\n"
110		" Time_Keep On\n"
111		"\n"
112		"# Parser: default_UTC_NC_Z\n"
113		"# =======================\n"
114		"# Time string with timezone in UTC, nanoseconds with comma as fractional separator and ending Z\n"
115		"#\n"
116		"[PARSER]\n"
117		" Name default_UTC_NC_Z\n"
118		" Format json\n"
119		" Time_Key time\n"
120		" Time_Format %m/%d/%Y %H:%M:%S,%LZ\n"
121		" Time_Keep On\n"
122		"\n"
123		"# Parser: generic_TZ\n"
124		"# ==================\n"
125		"# Generic date with timezone\n"
126		"#\n"
127		"[PARSER]\n"
128		" Name generic_TZ\n"
129		" Format json\n"
130		" Time_Key time\n"
131		" Time_Format %m/%d/%Y %H:%M:%S %z\n"
132		" Time_Keep On\n"
133		"\n"
134		"# Parser: generic\n"
135		"# ===============\n"
136		"# Generic date\n"
137		"#\n"
138		"[PARSER]\n"
139		" Name generic\n"
140		" Format json\n"
141		" Time_Key time\n"
142		" Time_Format %m/%d/%Y %H:%M:%S\n"
143		" Time_Keep On\n"
144		"\n"
145		"# Parser: generic_N\n"
146		"# ===============\n"
147		"# Generic date with nanoseconds\n"
148		"#\n"
149		"[PARSER]\n"
150		" Name generic_N\n"
151		" Format json\n"
152		" Time_Key time\n"
153		" Time_Format %m/%d/%Y %H:%M:%S.%L\n"
154		" Time_Keep On\n"
155		"\n"
156		"# Parser: generic_NC\n"
157		"# ===============\n"
158		"# Generic date with nanoseconds with comma as fractional separator\n"
159		"#\n"
160		"[PARSER]\n"
161		" Name generic_NC\n"
162		" Format json\n"
163		" Time_Key time\n"
164		" Time_Format %m/%d/%Y %H:%M:%S,%L\n"
165		" Time_Keep On\n"
166		"\n"
167		"# Parser: generic_N_TZ\n"
168		"# ====================\n"
169		"# Generic date with nanoseconds and timezone\n"
170		"#\n"
171		"[PARSER]\n"
172		" Name generic_N_TZ\n"
173		" Format json\n"
174		" Time_Key time\n"
175		" Time_Format %m/%d/%Y %H:%M:%S.%L %z\n"
176		" Time_Keep On\n"
177		"\n"
178		"# Parser: generic_NC_TZ\n"
179		"# ====================\n"
180		"# Generic date with nanoseconds with comma as fractional separator and timezone\n"
181		"#\n"
182		"[PARSER]\n"
183		" Name generic_NC_TZ\n"
184		" Format json\n"
185		" Time_Key time\n"
186		" Time_Format %m/%d/%Y %H:%M:%S,%L %z\n"
187		" Time_Keep On\n"
188		"\n"
189		"# Parser: apache_error\n"
190		"# ====================\n"
191		"# Apache error log time format\n"
192		"#\n"
193		"[PARSER]\n"
194		" Name apache_error\n"
195		" Format json\n"
196		" Time_Key time\n"
197		" Time_Format %a %b %d %H:%M:%S.%L %Y\n"
198		" Time_Keep On\n"
199		"# Parser: mysql_quoted_stuff\n"
200		"# ====================\n"
201		"# Apache error log time format\n"
202		"#\n"
203		"[PARSER]\n"
204		" Name mysql_quoted_stuff\n"
205		" Format regex\n"
206		" Regex ^(?<time>.?),(?<key001>.)$\n"
207		" Time_Key time\n"
208		" Time_Format %Y-%M-%S %H:%M:%S\n"
209		" Time_Keep On\n"
210		" Decode_Field_As mysql_quoted key001\n"
211		"# Parser: REGEX_generic_NC_TZ\n"
212		"# ====================\n"
213		"# Generic date with nanoseconds with comma as fractional separator and timezone\n"
214		"#\n"
215		"[PARSER]\n"
216		" Name REGEX_generic_NC_TZ\n"
217		" Format regex\n"
218		" Regex ^(?<key001>[^ ]) (?<key002>[^ ]) (?<time>.+)$\n"
219		" Time_Key time\n"
220		" Time_Format %m/%d/%Y %H:%M:%S,%L %z\n"
221		" Time_Keep On\n"
222		"\n"
223		"# Parser: REGEX_apache_error\n"
224		"# ====================\n"
225		"# Apache error log time format\n"
226		"#\n"
227		"[PARSER]\n"
228		" Name REGEX_apache_error\n"
229		" Format regex\n"
230		" Regex ^(?<key001>[^ ]) (?<key002>[^ ]) (?<time>.+)$\n"
231		" Time_Key time\n"
232		" Time_Format %a %b %d %H:%M:%S.%L %Y\n"
233		" Time_Keep On\n"
234		"\n"
235		"\n"
236		"\n"
237		"# Parser: REGEX_mysql_quoted_stuff\n"
238		"# ====================\n"
239		"# Apache error log time format\n"
240		"#\n"
241		"[PARSER]\n"
242		" Name REGEX_mysql_quoted_stuff\n"
243		" Format regex\n"
244		" Regex ^(?<time>.?),(?<key001>.)$\n"
245		" Time_Key time\n"
246		" Time_Format %Y-%M-%S %H:%M:%S\n"
247		" Time_Keep On\n"
248		" Decode_Field_As mysql_quoted key001\n"
249		"\n"
250		"\n"
251		"\n"
252		"# Parser: REGEX2_mysql_quoted_stuff\n"
253		"# ====================\n"
254		"# Apache error log time format\n"
255		"#\n"
256		"[PARSER]\n"
257		" Name REGEX2_mysql_quoted_stuff\n"
258		" Format logfmt\n"
259		" Regex ^(?<time>.?),(?<key001>.)$\n"
260		" Time_Key time\n"
261		" Time_Format %Y-%M-%S %H:%M:%S\n"
262		" Time_Keep On\n"
263		" Decode_Field_As mysql_quoted key001\n"
264		" Types A1:integer A2:string A3:bool A4:float A5:hex\n"
265		"\n"
266		"\n"
267		"\n"
268		"# Parser: REGEX3_mysql_quoted_stuff\n"
269		"# ====================\n"
270		"# Apache error log time format\n"
271		"#\n"
272		"[PARSER]\n"
273		" Name REGEX3_mysql_quoted_stuff\n"
274		" Format json\n"
275		" Regex ^(?<time>.?),(?<key001>.)$\n"
276		" Time_Key time\n"
277		" Time_Format %Y-%M-%S %H:%M:%S\n"
278		" Time_Keep On\n"
279		" Decode_Field_As escaped_utf8 key001\n"
280		" Types A1:integer A2:string A3:bool A4:float A5:hex\n"
281		"\n"
282		"\n"
283		"\n"
284		"# Parser: REGEX33_mysql_quoted_stuff\n"
285		"# ====================\n"
286		"# Apache error log time format\n"
287		"#\n"
288		"[PARSER]\n"
289		" Name REGEX33_mysql_quoted_stuff\n"
290		" Format json\n"
291		" Regex ^(?<time>.?),(?<key001>.)$\n"
292		" Time_Key time\n"
293		" Time_Format %Y-%M-%S %H:%M:%S\n"
294		" Time_Keep On\n"
295		" Decode_Field_As escaped key001\n"
296		" Types A1:integer A2:string A3:bool A4:float A5:hex\n"
297		"\n"
298		"\n"
299		"\n"
300		"# Parser: REGEX4_mysql_quoted_stuff\n"
301		"# ====================\n"
302		"# Apache error log time format\n"
303		"#\n"
304		"[PARSER]\n"
305		" Name REGEX4_mysql_quoted_stuff\n"
306		" Format json\n"
307		" Regex ^(?<time>.?),(?<key001>.)$\n"
308		" Time_Key time\n"
309		" Time_Format %Y-%M-%S %H:%M:%S\n"
310		" Time_Keep On\n"
311		" Decode_Field_As json key001\n"
312		" Types A1:integer A2:string A3:bool A4:float A5:hex\n"
313		"[MULTILINE_PARSER]\n"
314		" name exception_test\n"
315		" type regex\n"
316		" flush_timeout 1000\n"
317		" rule \"start_state\" \"/(Dec \\d+ \\d+\\:\\d+\\:\\d+)(.*)/\" \"cont\"\n"
318		" rule \"cont\" \"/^\\s+at.*/\" \"cont\"\n";
319
320
321		int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
322	7.41k	{
323		/* Set fuzzer-malloc chance of failure */
324	7.41k	flb_malloc_p = 0;
325	7.41k	flb_malloc_mod = 25000;
326
327		/* Limit the size of the config files to 32KB. */
328	7.41k	if (size > 32768) {
329	7	return 0;
330	7	}
331
332		/* Write the config file to a location we know OSS-Fuzz has */
333	7.40k	char filename[256];
334	7.40k	sprintf(filename, "/tmp/libfuzzer.%d", getpid());
335	7.40k	FILE *fp = fopen(filename, "wb");
336	7.40k	if (!fp) {
337	0	return 0;
338	0	}
339	7.40k	fwrite(conf_file, strlen(conf_file), 1, fp);
340	7.40k	fclose(fp);
341
342
343		/* Now parse random data based on the config files */
344	7.40k	struct flb_config *config = NULL;
345	7.40k	config = flb_config_init();
346	7.40k	int ret = flb_parser_conf_file(filename, config);
347	7.40k	if (ret == 0) {
348	7.40k	struct mk_list *head = NULL;
349	199k	mk_list_foreach(head, &config->parsers) {
350	199k	size_t out_size;
351	199k	char *out_buf = NULL;
352	199k	struct flb_parser *parser = NULL;
353	199k	struct flb_time out_time;
354	199k	parser = mk_list_entry(head, struct flb_parser, _head);
355	199k	flb_parser_do(parser, (const char)data, size, (void *)&out_buf,
356	199k	&out_size, &out_time);
357	199k	if (out_buf != NULL) {
358	66.2k	free(out_buf);
359	66.2k	}
360	199k	}
361	7.40k	}
362	7.40k	flb_parser_exit(config);
363	7.40k	flb_config_exit(config);
364
365	7.40k	if (size > 100) {
366		/* Now let's do a second run where we also call flb_config_set_property */
367	2.65k	config = flb_config_init();
368	2.65k	ret = flb_parser_conf_file(filename, config);
369	2.65k	char *key_1 = get_null_terminated(15, &data, &size);
370	2.65k	char *val_1 = get_null_terminated(15, &data, &size);
371	2.65k	char *key_2 = get_null_terminated(15, &data, &size);
372	2.65k	char *val_2 = get_null_terminated(15, &data, &size);
373	2.65k	char *progname = get_null_terminated(15, &data, &size);
374
375	2.65k	flb_config_set_property(config, key_1, val_1);
376	2.65k	flb_config_set_property(config, key_2, val_2);
377	2.65k	flb_config_set_program_name(config, progname);
378	2.65k	set_log_level_from_env(config);
379
380	2.65k	struct mk_list prop;
381	2.65k	flb_kv_init(&prop);
382	2.65k	flb_kv_item_create(&prop, key_1, val_1);
383	2.65k	flb_config_prop_get(progname, &prop);
384	2.65k	flb_slist_entry_get(&prop, (int)data[0]);
385	2.65k	flb_slist_dump(&prop);
386
387	2.65k	if (ret == 0) {
388	2.65k	struct mk_list *head = NULL;
389	71.6k	mk_list_foreach(head, &config->parsers) {
390	71.6k	size_t out_size;
391	71.6k	char *out_buf = NULL;
392	71.6k	struct flb_parser *parser = NULL;
393	71.6k	struct flb_time out_time;
394
395	71.6k	parser = mk_list_entry(head, struct flb_parser, _head);
396	71.6k	flb_parser_do(parser, (const char)data, size, (void *)&out_buf,
397	71.6k	&out_size, &out_time);
398	71.6k	if (out_buf != NULL) {
399	16.8k	free(out_buf);
400	16.8k	}
401	71.6k	}
402	2.65k	}
403	2.65k	flb_parser_exit(config);
404	2.65k	flb_config_exit(config);
405	2.65k	flb_free(key_1);
406	2.65k	flb_free(val_1);
407	2.65k	flb_free(key_2);
408	2.65k	flb_free(val_2);
409	2.65k	flb_free(progname);
410	2.65k	flb_kv_release(&prop);
411	2.65k	}
412
413		/* clean up the file */
414	7.40k	unlink(filename);
415
416	7.40k	return 0;
417	7.40k	}