fix sstring leak if PROXYSCAN_MAIL is false

[irc/quakenet/newserv.git] / newsearch / newsearch.h

#include "../nick/nick.h"
#include "../parser/parser.h"
#include "../channel/channel.h"
#include "../lib/flags.h"
#include "../authext/authext.h"

#define    SEARCHTYPE_CHANNEL     1
#define    SEARCHTYPE_NICK        2
#define    SEARCHTYPE_USER        3


#define    NSMAX_KILL_LIMIT       500
#define    NSMAX_GLINE_LIMIT      500


#define    NSMAX_GLINE_CLONES     5


/* gline duration, in seconds */
#define    NSGLINE_DURATION       3600

#define    NSMAX_REASON_LEN       120
#define    NSMAX_NOTICE_LEN       250


#define    RETURNTYPE_BOOL        0x01
#define    RETURNTYPE_INT         0x02
#define    RETURNTYPE_STRING      0x03
#define    RETURNTYPE_TYPE        0xFF
#define    RETURNTYPE_CONST       0x100

#define    VARIABLE_LEN    10
#define    MAX_VARIABLES   10

struct searchNode;
struct searchCtx;
struct coercedata;

typedef struct searchNode *(*searchParseFunc)(struct searchCtx *ctx, char *input);
typedef void (*replyFunc)(nick *np, char *format, ...);
typedef void (*wallFunc)(int level, char *format, ...);

typedef struct searchNode *(*parseFunc)(struct searchCtx *, int, char **);
typedef void (*freeFunc)(struct searchCtx *, struct searchNode *);
typedef void *(*exeFunc)(struct searchCtx *, struct searchNode *, void *);
typedef void (*ChanDisplayFunc)(struct searchCtx *, nick *, chanindex *);
typedef void (*NickDisplayFunc)(struct searchCtx *, nick *, nick *);
typedef void (*UserDisplayFunc)(struct searchCtx *, nick *, authname *);
typedef void (*HeaderFunc)(void *sender, void *arg);

struct coercedata {
  struct searchNode *child;
  union {
    char *stringbuf;
    unsigned long val;
  } u;
};

typedef struct searchNode {
  int returntype;
  exeFunc  exe;
  freeFunc free;
  void *localdata;
} searchNode;

struct searchVariable {
  char name[VARIABLE_LEN];
  struct searchNode data;
  struct coercedata cdata;
};

typedef struct searchCtx {
  searchParseFunc parser;
  replyFunc reply;
  wallFunc wall;
  void *arg;
  struct searchVariable vars[MAX_VARIABLES];
  int lastvar;
  int type;
} searchCtx;

/* Core functions */
/* Logical  (BOOL -> BOOL)*/
struct searchNode *and_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *not_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *or_parse(searchCtx *ctx,  int argc, char **argv);

/* Comparison (INT -> BOOL) */
struct searchNode *eq_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *lt_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *gt_parse(searchCtx *ctx, int argc, char **argv);

/* String match (STRING -> BOOL) */
struct searchNode *match_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *regex_parse(searchCtx *ctx, int argc, char **argv);

/* Length (STRING -> INT) */
struct searchNode *length_parse(searchCtx *ctx, int argc, char **argv);

/* kill/gline actions (BOOL) */
struct searchNode *kill_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *gline_parse(searchCtx *ctx, int argc, char **argv);

/* notice action (BOOL) */
struct searchNode *notice_parse(searchCtx *ctx, int argc, char **argv);

/* Nick/Channel functions (various types) */
struct searchNode *nick_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *modes_parse(searchCtx *ctx, int argc, char **argv);

/* Nick functions (various types) */
struct searchNode *hostmask_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *realname_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *authname_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *authts_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *ident_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *host_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *channel_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *timestamp_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *country_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *ip_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *channels_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *server_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *authid_parse(searchCtx *ctx, int argc, char **argv);

/* Channel functions (various types) */
struct searchNode *exists_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *services_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *size_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *name_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *topic_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *oppct_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *hostpct_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *authedpct_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *kick_parse(searchCtx *ctx, int argc, char **argv);

/* Interpret a string to give a node */
struct searchNode *search_parse(searchCtx *ctx, char *input);

/* Iteration functions */
struct searchNode *any_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *all_parse(searchCtx *ctx, int argc, char **argv);
struct searchNode *var_parse(searchCtx *ctx, int argc, char **argv);

/* Iteraterable functions */
struct searchNode *channeliter_parse(searchCtx *ctx, int argc, char **argv);

/* Force a node to return the thing you want */
struct searchNode *coerceNode(searchCtx *ctx, struct searchNode *thenode, int type);

/* Registration functions */
void registersearchterm(char *term, parseFunc parsefunc);
void deregistersearchterm(char *term, parseFunc parsefunc);
void regchandisp(const char *name, ChanDisplayFunc handler);
void unregchandisp(const char *name, ChanDisplayFunc handler);
void regnickdisp(const char *name, NickDisplayFunc handler);
void unregnickdisp(const char *name, NickDisplayFunc handler);
void reguserdisp(const char *name, UserDisplayFunc handler);
void unreguserdisp(const char *name, UserDisplayFunc handler);

/* Special nick* printf */
void nssnprintf(char *, size_t, const char *, nick *);

extern const char *parseError;
extern nick *senderNSExtern;

void printnick(searchCtx *, nick *, nick *);
void printuser(searchCtx *, nick *, authname *);

void nicksearch_exe(struct searchNode *search, searchCtx *sctx, nick *sender, NickDisplayFunc display, int limit);
void chansearch_exe(struct searchNode *search, searchCtx *sctx, nick *sender, ChanDisplayFunc display, int limit);
void usersearch_exe(struct searchNode *search, searchCtx *ctx, nick *sender, UserDisplayFunc display, int limit);

int do_nicksearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
int do_chansearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
int do_usersearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);

void *literal_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
void literal_free(searchCtx *ctx, struct searchNode *thenode);

struct searchVariable *var_register(searchCtx *ctx, char *arg, int type);
searchNode *var_get(searchCtx *ctx, char *arg);
void var_setstr(struct searchVariable *v, char *data);

void newsearch_ctxinit(searchCtx *ctx, searchParseFunc searchfn, replyFunc replyfn, wallFunc wallfn, void *arg, int type);

/* AST functions */

struct searchASTNode;

#define AST_NODE_CHILD 1
#define AST_NODE_LITERAL 2

/* items to store in the ast lookup cache */
#define AST_RECENT 10

typedef struct searchASTExpr {
  int type;
  union {
    char *literal;
    struct searchASTNode *child;
  } u;
} searchASTExpr;

typedef struct searchASTNode {
  parseFunc fn;
  int argc;
  struct searchASTExpr **argv;
} searchASTNode;

/*
 *
 * FEAR THE COMPOUND LITERALS
 * MUHAHAHHAHAHAHAHAHAAH
 *
 */
#define __NSASTExpr(x, y, ...) &(searchASTExpr){.type = x, .u.y = __VA_ARGS__}
#define __NSASTList(...) (searchASTExpr *[]){__VA_ARGS__}
#define __NSASTNode(x, ...) &(searchASTNode){.fn = x, .argc = sizeof(__NSASTList(__VA_ARGS__)) / sizeof(__NSASTList(__VA_ARGS__)[0]), .argv = __NSASTList(__VA_ARGS__)}
#define __NSASTChild(...) __NSASTExpr(AST_NODE_CHILD, child, __VA_ARGS__)

#define NSASTLiteral(data) __NSASTExpr(AST_NODE_LITERAL, literal, data)
#define NSASTNode(fn, ...) __NSASTChild(__NSASTNode(fn, __VA_ARGS__))

searchNode *search_astparse(searchCtx *, char *);

int ast_nicksearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, NickDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
int ast_chansearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, ChanDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
int ast_usersearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, UserDisplayFunc display, HeaderFunc header, void *headerarg, int limit);

char *ast_printtree(char *buf, size_t bufsize, searchASTExpr *expr);

/* erk */
extern CommandTree *searchTree;

extern UserDisplayFunc defaultuserfn;
extern NickDisplayFunc defaultnickfn;
extern ChanDisplayFunc defaultchanfn;