Pointer to some arbitrary data to module_data while setting Theseįields are initially set to NULL and 0, but your program can assign a Imported and two other fields module_data and module_data_size. This structure contains a module_nameįield pointing to a null terminated string with the name of the module being This callback is also called with the CALLBACK_MSG_IMPORT_MODULE message.Īll modules referenced by an import statement in the rules are imported SCAN_FLAGS_REPORT_RULES_MATCHING and SCAN_FLAGS_REPORT_RULES_NOT_MATCHING Not YARA calls your callback function with CALLBACK_MSG_RULE_MATCHING andĬALLBACK_MSG_RULE_NOT_MATCHING messages by using the Void* to YR_RULE* to access the structure. YR_RULE structure associated with the rule is passed in the Your callback function will be called once for each rule with eitherĪ CALLBACK_MSG_RULE_MATCHING or CALLBACK_MSG_RULE_NOT_MATCHING message,ĭepending if the rule is matching or not. The callback function has the following prototype:ĬALLBACK_MSG_RULE_MATCHING CALLBACK_MSG_RULE_NOT_MATCHING CALLBACK_MSG_SCAN_FINISHED CALLBACK_MSG_IMPORT_MODULE CALLBACK_MSG_MODULE_IMPORTED CALLBACK_MSG_TOO_MANY_MATCHES CALLBACK_MSG_CONSOLE_LOG You can completely disable support for includes by setting a NULLĬallback function with yr_compiler_set_include_callback(). If the memory does not need to be freed, NULL can be passed as include_free Safe to free the memory used to return the callback's result, the include_freeįunction passed to yr_compiler_set_include_callback() will be called. Memory for this string should be allocated by the callback function. It should return the requested file's content as a null-terminated string. user_data same pointer passed to yr_compiler_set_include_callback().calling_rule_namespace: namespace (NULL if undefined).calling_rule_filename: the requesting file name (NULL if not a file).include_name: name of the requested file.This callback receives the following parameters: However, if you want to fetch the imported rules from another source (eg: from aĭatabase or remote service), a callback function can be set with ( include "filename.yara"), YARA will try to find those files on disk. Pointer is the same you passed to yr_compiler_set_callback().īy default, for rules containing references to other files YR_RULE structure representing the rule that contained the error, but it canīe NULL it the error is not contained in a specific rule. The arguments file_name and line_numberĬontains the file name and line number where the error or warning occurs.įile_name is the one passed to yr_compiler_add_file() or Possible values for error_level are YARA_ERROR_LEVEL_ERROR and The callback function has the following prototype: Using yr_compiler_set_callback() before calling any of the compilingįunctions. More rules nor getting the compiled rules.įor obtaining detailed error information you must set a callback function by If any of theseįunctions return an error the compiler can't used anymore, neither for adding If the rules are correct they will return 0. Yr_compiler_add_string() functions return the number of errors found in The yr_compiler_add_file(), yr_compiler_add_fd(), and If the namespace argument is NULL the rules are put Source file or string, so, rule identifiers must be unique among all the sources Under the same namespace behave as if they were contained within the same Both of these functions receive an optional namespace. Yr_compiler_add_string() to add one or more input sources to beĬompiler. You can use yr_compiler_add_file(), yr_compiler_add_fd(), or After being used, the compiler must be destroyed For that purpose you'll need a YARA compiler, which can be created with Before using your rules to scan any data you need to compile them into binaryįorm.
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