newsearch/newsearch.h

   1 #include "../nick/nick.h"
   2 #include "../lib/sstring.h"
   3 #include "../parser/parser.h"
   4 #include "../channel/channel.h"
   5 #include "../lib/flags.h"
   6 #include "../authext/authext.h"
   7 #include "../patricia/patricia.h"
   8
   9 #ifndef __NEWSEARCH_H
  10 #define __NEWSEARCH_H
  11
  12 #define    NSMAX_KILL_LIMIT       500
  13 #define    NSMAX_GLINE_LIMIT      500
  14 #define    NSMAX_GLINE_CLONES     5
  15
  16 /* gline duration, in seconds */
  17 #define    NSGLINE_DURATION       3600
  18
  19 #define    NSMAX_REASON_LEN       120
  20 #define    NSMAX_NOTICE_LEN       250
  21 #define    NSMAX_COMMAND_LEN      20
  22
  23 #define    RETURNTYPE_BOOL        0x01
  24 #define    RETURNTYPE_INT         0x02
  25 #define    RETURNTYPE_STRING      0x03
  26 #define    RETURNTYPE_TYPE        0xFF
  27 #define    RETURNTYPE_CONST       0x100
  28
  29 #define    VARIABLE_LEN    10
  30 #define    MAX_VARIABLES   10
  31
  32 struct searchNode;
  33 struct searchCtx;
  34 struct coercedata;
  35
  36 typedef struct searchNode *(*searchParseFunc)(struct searchCtx *ctx, char *input);
  37 typedef void (*replyFunc)(nick *np, char *format, ...);
  38 typedef void (*wallFunc)(int level, char *format, ...);
  39
  40 typedef struct searchNode *(*parseFunc)(struct searchCtx *, int, char **);
  41 typedef void (*freeFunc)(struct searchCtx *, struct searchNode *);
  42 typedef void *(*exeFunc)(struct searchCtx *, struct searchNode *, void *);
  43 typedef void (*ChanDisplayFunc)(struct searchCtx *, nick *, chanindex *);
  44 typedef void (*NickDisplayFunc)(struct searchCtx *, nick *, nick *);
  45 typedef void (*UserDisplayFunc)(struct searchCtx *, nick *, authname *);
  46 typedef void (*HeaderFunc)(void *sender, void *arg);
  47
  48 struct coercedata {
  49   struct searchNode *child;
  50   union {
  51     char *stringbuf;
  52     unsigned long val;
  53   } u;
  54 };
  55
  56 typedef struct searchNode {
  57   int returntype;
  58   exeFunc  exe;
  59   freeFunc free;
  60   void *localdata;
  61 } searchNode;
  62
  63 struct searchVariable {
  64   char name[VARIABLE_LEN];
  65   struct searchNode data;
  66   struct coercedata cdata;
  67 };
  68
  69 typedef struct searchCmd {
  70   void *defaultdisplayfunc;
  71   sstring *name;
  72   CommandHandler handler;
  73   struct CommandTree *outputtree;
  74   struct CommandTree *searchtree;
  75 } searchCmd;
  76
  77 typedef struct searchList {
  78   void *cmd;
  79   sstring *name;
  80   char *help;
  81   struct searchList *next;
  82 } searchList;
  83
  84 typedef struct searchCtx {
  85   searchParseFunc parser;
  86   replyFunc reply;
  87   wallFunc wall;
  88   void *arg;
  89   struct searchVariable vars[MAX_VARIABLES];
  90   int lastvar;
  91   struct searchCmd *searchcmd;
  92   nick *sender;
  93   int limit;
  94   void *displayfn;
  95 } searchCtx;
  96
  97 /* Core functions */
  98 /* Logical  (BOOL -> BOOL)*/
  99 struct searchNode *and_parse(searchCtx *ctx, int argc, char **argv);
 100 struct searchNode *not_parse(searchCtx *ctx, int argc, char **argv);
 101 struct searchNode *or_parse(searchCtx *ctx,  int argc, char **argv);
 102
 103 /* Comparison (INT -> BOOL) */
 104 struct searchNode *eq_parse(searchCtx *ctx, int argc, char **argv);
 105 struct searchNode *lt_parse(searchCtx *ctx, int argc, char **argv);
 106 struct searchNode *gt_parse(searchCtx *ctx, int argc, char **argv);
 107
 108 /* String match (STRING -> BOOL) */
 109 struct searchNode *match_parse(searchCtx *ctx, int argc, char **argv);
 110 struct searchNode *regex_parse(searchCtx *ctx, int argc, char **argv);
 111
 112 /* Length (STRING -> INT) */
 113 struct searchNode *length_parse(searchCtx *ctx, int argc, char **argv);
 114
 115 /* kill/gline actions (BOOL) */
 116 struct searchNode *kill_parse(searchCtx *ctx, int argc, char **argv);
 117 struct searchNode *gline_parse(searchCtx *ctx, int argc, char **argv);
 118
 119 /* notice action (BOOL) */
 120 struct searchNode *notice_parse(searchCtx *ctx, int argc, char **argv);
 121
 122 /* Nick/Channel functions (various types) */
 123 struct searchNode *nick_parse(searchCtx *ctx, int argc, char **argv);
 124 struct searchNode *modes_parse(searchCtx *ctx, int argc, char **argv);
 125
 126 /* Nick functions (various types) */
 127 struct searchNode *hostmask_parse(searchCtx *ctx, int argc, char **argv);
 128 struct searchNode *realname_parse(searchCtx *ctx, int argc, char **argv);
 129 struct searchNode *authname_parse(searchCtx *ctx, int argc, char **argv);
 130 struct searchNode *authts_parse(searchCtx *ctx, int argc, char **argv);
 131 struct searchNode *ident_parse(searchCtx *ctx, int argc, char **argv);
 132 struct searchNode *host_parse(searchCtx *ctx, int argc, char **argv);
 133 struct searchNode *channel_parse(searchCtx *ctx, int argc, char **argv);
 134 struct searchNode *timestamp_parse(searchCtx *ctx, int argc, char **argv);
 135 struct searchNode *country_parse(searchCtx *ctx, int argc, char **argv);
 136 struct searchNode *ip_parse(searchCtx *ctx, int argc, char **argv);
 137 struct searchNode *channels_parse(searchCtx *ctx, int argc, char **argv);
 138 struct searchNode *server_parse(searchCtx *ctx, int argc, char **argv);
 139 struct searchNode *authid_parse(searchCtx *ctx, int argc, char **argv);
 140 struct searchNode *cidr_parse(searchCtx *ctx, int argc, char **argv);
 141 struct searchNode *ipv6_parse(searchCtx *ctx, int argc, char **argv);
 142
 143 /* Channel functions (various types) */
 144 struct searchNode *exists_parse(searchCtx *ctx, int argc, char **argv);
 145 struct searchNode *services_parse(searchCtx *ctx, int argc, char **argv);
 146 struct searchNode *size_parse(searchCtx *ctx, int argc, char **argv);
 147 struct searchNode *name_parse(searchCtx *ctx, int argc, char **argv);
 148 struct searchNode *topic_parse(searchCtx *ctx, int argc, char **argv);
 149 struct searchNode *oppct_parse(searchCtx *ctx, int argc, char **argv);
 150 struct searchNode *cumodecount_parse(searchCtx *ctx, int argc, char **argv);
 151 struct searchNode *cumodepct_parse(searchCtx *ctx, int argc, char **argv);
 152 struct searchNode *hostpct_parse(searchCtx *ctx, int argc, char **argv);
 153 struct searchNode *authedpct_parse(searchCtx *ctx, int argc, char **argv);
 154 struct searchNode *kick_parse(searchCtx *ctx, int argc, char **argv);
 155
 156 /* Interpret a string to give a node */
 157 struct searchNode *search_parse(searchCtx *ctx, char *input);
 158
 159 /* Iteration functions */
 160 struct searchNode *any_parse(searchCtx *ctx, int argc, char **argv);
 161 struct searchNode *all_parse(searchCtx *ctx, int argc, char **argv);
 162 struct searchNode *var_parse(searchCtx *ctx, int argc, char **argv);
 163
 164 /* Iteraterable functions */
 165 struct searchNode *channeliter_parse(searchCtx *ctx, int argc, char **argv);
 166 struct searchNode *nickiter_parse(searchCtx *ctx, int argc, char **argv);
 167
 168 /* Functions that operate on strings */
 169 struct searchNode *cumodes_parse(searchCtx *ctx, int argc, char **argv);
 170
 171 /* Force a node to return the thing you want */
 172 struct searchNode *coerceNode(searchCtx *ctx, struct searchNode *thenode, int type);
 173
 174 /* Registration functions */
 175 searchCmd *registersearchcommand(char *name, int level, CommandHandler cmd, void *defaultdisplayfunc);
 176 void deregistersearchcommand(searchCmd *scmd);
 177 void registersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc, int level, char *help);
 178 void deregistersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc);
 179
 180 void registerglobalsearchterm(char *term, parseFunc parsefunc, char *help);
 181 void deregisterglobalsearchterm(char *term, parseFunc parsefunc);
 182
 183 void regdisp( searchCmd *cmd, const char *name, void *handler, int level, char *help);
 184 void unregdisp( searchCmd *cmd, const char *name, void *handler);
 185
 186 /* Special nick* printf */
 187 void nssnprintf(char *, size_t, const char *, nick *);
 188
 189 #ifdef NEWSEARCH_NEWPARSER
 190 void displaystrerror(replyFunc reply, nick *np, const char *input);
 191 #endif
 192
 193 extern const char *parseError;
 194 extern nick *senderNSExtern;
 195
 196 void printnick(searchCtx *, nick *, nick *);
 197 void printuser(searchCtx *, nick *, authname *);
 198 void printchannel(searchCtx *, nick *, chanindex *);
 199
 200 void nicksearch_exe(struct searchNode *search, searchCtx *sctx);
 201 void chansearch_exe(struct searchNode *search, searchCtx *sctx);
 202 void usersearch_exe(struct searchNode *search, searchCtx *ctx);
 203
 204 int do_nicksearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 205 int do_chansearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 206 int do_usersearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 207
 208 void *literal_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
 209 void literal_free(searchCtx *ctx, struct searchNode *thenode);
 210
 211 struct searchVariable *var_register(searchCtx *ctx, char *arg, int type);
 212 searchNode *var_get(searchCtx *ctx, char *arg);
 213 void var_setstr(struct searchVariable *v, char *data);
 214
 215 void newsearch_ctxinit(searchCtx *ctx, searchParseFunc searchfn, replyFunc replyfn, wallFunc wallfn, void *arg, searchCmd *cmd, nick *sender, void *displayfn, int limit);
 216
 217 /* AST functions */
 218
 219 struct searchASTNode;
 220
 221 #define AST_NODE_CHILD 1
 222 #define AST_NODE_LITERAL 2
 223
 224 /* items to store in the ast lookup cache */
 225 #define AST_RECENT 10
 226
 227 struct searchASTExpr;
 228
 229 typedef struct searchASTNode {
 230   parseFunc fn;
 231   int argc;
 232   struct searchASTExpr *argv;
 233 } searchASTNode;
 234
 235 typedef struct searchASTExpr {
 236   int type;
 237   union {
 238     char *literal;
 239     /* this was originally a pointer, but having it as one means you can't memcpy directly */
 240     struct searchASTNode child;
 241   } u;
 242 } searchASTExpr;
 243
 244 typedef struct searchASTCache {
 245   searchASTExpr *tree;
 246   searchASTExpr *cache[AST_RECENT];
 247   int nextpos;
 248 } searchASTCache;
 249
 250 #define __NSASTSizeOfArray(x) (sizeof(x) / sizeof(x[0]))
 251
 252 #define __NSASTExpr(x, y, ...) (searchASTExpr){.type = x, .u.y = __VA_ARGS__}
 253 #define __NSASTRawNode(x, c, y) (searchASTNode){.fn = x, .argc = c, .argv = y}
 254
 255 #define __NSASTSizeNode(x, y) __NSASTRawNode(x, __NSASTSizeOfArray(y), y)
 256 #define __NSASTNode(x, ...) __NSASTSizeNode(x, ((searchASTExpr []){__VA_ARGS__}))
 257
 258 #define __NSASTChild(...) __NSASTExpr(AST_NODE_CHILD, child, __VA_ARGS__)
 259
 260 #define NSASTLiteral(value) __NSASTExpr(AST_NODE_LITERAL, literal, value)
 261 #define NSASTNode(fn, ...) __NSASTChild(__NSASTNode(fn, __VA_ARGS__))
 262 #define NSASTManualNode(fn, count, children) __NSASTChild(__NSASTRawNode(fn, count, children))
 263
 264 searchNode *search_astparse(searchCtx *, char *);
 265
 266 int ast_nicksearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, NickDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 267 int ast_chansearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, ChanDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 268 int ast_usersearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, UserDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 269
 270 char *ast_printtree(char *buf, size_t bufsize, searchASTExpr *expr, searchCmd *cmd);
 271
 272 int parseopts(int cargc, char **cargv, int *arg, int *limit, void **subset, void *display, CommandTree *sl, replyFunc reply, void *sender);
 273
 274 typedef int (*ASTFunc)(searchASTExpr *, replyFunc, void *, wallFunc, void *, HeaderFunc, void *, int limit);
 275
 276 /* erk */
 277 extern searchList *globalterms;
 278
 279 extern searchCmd *reg_nicksearch;
 280 extern searchCmd *reg_chansearch;
 281 extern searchCmd *reg_usersearch;
 282
 283 extern UserDisplayFunc defaultuserfn;
 284 extern NickDisplayFunc defaultnickfn;
 285 extern ChanDisplayFunc defaultchanfn;
 286
 287 struct searchNode *argtoconststr(char *command, searchCtx *ctx, char *arg, char **p);
 288
 289 #endif