diff options
Diffstat (limited to 'fluent-bit/tests/internal/fuzzers/config_fuzzer.c')
| -rw-r--r-- | fluent-bit/tests/internal/fuzzers/config_fuzzer.c | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/fluent-bit/tests/internal/fuzzers/config_fuzzer.c b/fluent-bit/tests/internal/fuzzers/config_fuzzer.c deleted file mode 100644 index 5512dac29..000000000 --- a/fluent-bit/tests/internal/fuzzers/config_fuzzer.c +++ /dev/null @@ -1,417 +0,0 @@ -#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; -} |