diff options
Diffstat (limited to 'grammar/rainerscript.h')
| -rw-r--r-- | grammar/rainerscript.h | 134 |
1 files changed, 98 insertions, 36 deletions
diff --git a/grammar/rainerscript.h b/grammar/rainerscript.h index f5627597..5cfce795 100644 --- a/grammar/rainerscript.h +++ b/grammar/rainerscript.h @@ -3,7 +3,11 @@ #include <stdio.h> #include <libestr.h> #include <typedefs.h> +#include <sys/types.h> +#include <regex.h> + +#define LOG_NFACILITIES 24 /* current number of syslog facilities */ #define CNFFUNC_MAX_ARGS 32 /**< maximum number of arguments that any function can have (among * others, this is used to size data structures). @@ -13,6 +17,7 @@ extern int Debug; /* 1 if in debug mode, 0 otherwise -- to be enhanced */ enum cnfobjType { CNFOBJ_ACTION, + CNFOBJ_RULESET, CNFOBJ_GLOBAL, CNFOBJ_INPUT, CNFOBJ_MODULE, @@ -29,6 +34,9 @@ cnfobjType2str(enum cnfobjType ot) case CNFOBJ_ACTION: return "action"; break; + case CNFOBJ_RULESET: + return "ruleset"; + break; case CNFOBJ_GLOBAL: return "global"; break; @@ -63,16 +71,20 @@ enum cnfactType { CNFACT_V2, CNFACT_LEGACY }; struct var { union { es_str_t *estr; - struct cnfexpr *expr; + struct cnfarray *ar; long long n; + struct json_object *json; } d; - char datatype; /* 'N' number, 'S' string, 'E' expression */ + char datatype; /* 'N' number, 'S' string, 'J' JSON, 'A' array + * Note: 'A' is only supported during config phase + */ }; struct cnfobj { enum cnfobjType objType; struct nvlst *nvlst; struct objlst *subobjs; + struct cnfstmt *script; }; struct objlst { @@ -91,23 +103,6 @@ struct nvlst { */ }; -struct cnfcfsyslinelst { - struct cnfcfsyslinelst *next; - char *line; -}; - -struct cnfactlst { - struct cnfactlst *next; - struct cnfcfsyslinelst *syslines; - enum cnfactType actType; - union { - struct nvlst *lst; - char *legActLine; - } data; - char *cnfFile; - int lineno; -}; - /* the following structures support expressions, and may (very much later * be the sole foundation for the AST. * @@ -118,7 +113,19 @@ struct cnfactlst { * R - rule * S - string * V - var + * A - (string) array + * ... plus the S_* #define's below: */ +#define S_STOP 4000 +#define S_PRIFILT 4001 +#define S_PROPFILT 4002 +#define S_IF 4003 +#define S_ACT 4004 +#define S_NOP 4005 /* usually used to disable some statement */ +#define S_SET 4006 +#define S_UNSET 4007 +#define S_CALL 4008 + enum cnfFiltType { CNFFILT_NONE, CNFFILT_PRI, CNFFILT_PROP, CNFFILT_SCRIPT }; static inline char* cnfFiltType2str(enum cnfFiltType filttype) @@ -137,14 +144,44 @@ cnfFiltType2str(enum cnfFiltType filttype) } -struct cnfrule { +struct cnfstmt { unsigned nodetype; - enum cnfFiltType filttype; + struct cnfstmt *next; + uchar *printable; /* printable text for debugging */ union { - char *s; - struct cnfexpr *expr; - } filt; - struct cnfactlst *actlst; + struct { + struct cnfexpr *expr; + struct cnfstmt *t_then; + struct cnfstmt *t_else; + } s_if; + struct { + uchar *varname; + struct cnfexpr *expr; + } s_set; + struct { + uchar *varname; + } s_unset; + struct { + es_str_t *name; + struct cnfstmt *stmt; + } s_call; + struct { + uchar pmask[LOG_NFACILITIES+1]; /* priority mask */ + struct cnfstmt *t_then; + struct cnfstmt *t_else; + } s_prifilt; + struct { + fiop_t operation; + regex_t *regex_cache;/* cache for compiled REs, if used */ + struct cstr_s *pCSCompValue;/* value to "compare" against */ + sbool isNegated; + uintTiny propID;/* ID of the requested property */ + es_str_t *propName;/* name of property for CEE-based filters */ + struct cnfstmt *t_then; + struct cnfstmt *t_else; + } s_propfilt; + struct action_s *act; + } d; }; struct cnfexpr { @@ -168,6 +205,12 @@ struct cnfvar { char *name; }; +struct cnfarray { + unsigned nodetype; + int nmemb; + es_str_t **arr; +}; + struct cnffparamlst { unsigned nodetype; /* P */ struct cnffparamlst *next; @@ -182,7 +225,9 @@ enum cnffuncid { CNFFUNC_TOLOWER, CNFFUNC_CSTR, CNFFUNC_CNUM, - CNFFUNC_RE_MATCH + CNFFUNC_RE_MATCH, + CNFFUNC_FIELD, + CNFFUNC_PRIFILT }; struct cnffunc { @@ -233,13 +278,19 @@ struct cnfparamvals { /* the values we obtained for param descr. */ unsigned char bUsed; }; +struct funcData_prifilt { + uchar pmask[LOG_NFACILITIES+1]; /* priority mask */ +}; + int cnfParseBuffer(char *buf, unsigned lenBuf); void readConfFile(FILE *fp, es_str_t **str); struct objlst* objlstNew(struct cnfobj *obj); void objlstDestruct(struct objlst *lst); void objlstPrint(struct objlst *lst); -struct nvlst* nvlstNew(es_str_t *name, es_str_t *value); +struct nvlst* nvlstNewArray(struct cnfarray *ar); +struct nvlst* nvlstNewStr(es_str_t *value); +struct nvlst* nvlstSetName(struct nvlst *lst, es_str_t *name); void nvlstDestruct(struct nvlst *lst); void nvlstPrint(struct nvlst *lst); void nvlstChkUnused(struct nvlst *lst); @@ -247,11 +298,6 @@ struct nvlst* nvlstFindName(struct nvlst *lst, es_str_t *name); struct cnfobj* cnfobjNew(enum cnfobjType objType, struct nvlst *lst); void cnfobjDestruct(struct cnfobj *o); void cnfobjPrint(struct cnfobj *o); -struct cnfactlst* cnfactlstNew(enum cnfactType actType, struct nvlst *lst, char *actLine); -void cnfactlstDestruct(struct cnfactlst *actlst); -void cnfactlstPrint(struct cnfactlst *actlst); -struct cnfactlst* cnfactlstAddSysline(struct cnfactlst* actlst, char *line); -struct cnfactlst* cnfactlstReverse(struct cnfactlst *actlst); struct cnfexpr* cnfexprNew(unsigned nodetype, struct cnfexpr *l, struct cnfexpr *r); void cnfexprPrint(struct cnfexpr *expr, int indent); void cnfexprEval(struct cnfexpr *expr, struct var *ret, void *pusr); @@ -259,9 +305,6 @@ int cnfexprEvalBool(struct cnfexpr *expr, void *usrptr); void cnfexprDestruct(struct cnfexpr *expr); struct cnfnumval* cnfnumvalNew(long long val); struct cnfstringval* cnfstringvalNew(es_str_t *estr); -struct cnfrule * cnfruleNew(enum cnfFiltType filttype, struct cnfactlst *actlst); -void cnfruleDestruct(struct cnfrule *rule); -void cnfrulePrint(struct cnfrule *rule); struct cnfvar* cnfvarNew(char *name); struct cnffunc * cnffuncNew(es_str_t *fname, struct cnffparamlst* paramlst); struct cnffparamlst * cnffparamlstNew(struct cnfexpr *expr, struct cnffparamlst *next); @@ -272,7 +315,26 @@ struct cnfparamvals* nvlstGetParams(struct nvlst *lst, struct cnfparamblk *param void cnfparamsPrint(struct cnfparamblk *params, struct cnfparamvals *vals); void varDelete(struct var *v); void cnfparamvalsDestruct(struct cnfparamvals *paramvals, struct cnfparamblk *blk); -void cnfcfsyslinelstDestruct(struct cnfcfsyslinelst *cfslst); +struct cnfstmt * cnfstmtNew(unsigned s_type); +void cnfstmtPrint(struct cnfstmt *stmt, int indent); +struct cnfstmt* scriptAddStmt(struct cnfstmt *root, struct cnfstmt *s); +struct objlst* objlstAdd(struct objlst *root, struct cnfobj *o); +char *rmLeadingSpace(char *s); +struct cnfstmt * cnfstmtNewPRIFILT(char *prifilt, struct cnfstmt *t_then); +struct cnfstmt * cnfstmtNewPROPFILT(char *propfilt, struct cnfstmt *t_then); +struct cnfstmt * cnfstmtNewAct(struct nvlst *lst); +struct cnfstmt * cnfstmtNewLegaAct(char *actline); +struct cnfstmt * cnfstmtNewSet(char *var, struct cnfexpr *expr); +struct cnfstmt * cnfstmtNewUnset(char *var); +struct cnfstmt * cnfstmtNewCall(es_str_t *name); +struct cnfstmt * cnfstmtNewContinue(void); +void cnfstmtDestruct(struct cnfstmt *root); +void cnfstmtOptimize(struct cnfstmt *root); +struct cnfarray* cnfarrayNew(es_str_t *val); +struct cnfarray* cnfarrayDup(struct cnfarray *old); +struct cnfarray* cnfarrayAdd(struct cnfarray *ar, es_str_t *val); +void cnfarrayContentDestruct(struct cnfarray *ar); +char* getFIOPName(unsigned iFIOP); rsRetVal initRainerscript(void); void unescapeStr(uchar *s, int len); |