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 } searchCtx;
  94
  95 /* Core functions */
  96 /* Logical  (BOOL -> BOOL)*/
  97 struct searchNode *and_parse(searchCtx *ctx, int argc, char **argv);
  98 struct searchNode *not_parse(searchCtx *ctx, int argc, char **argv);
  99 struct searchNode *or_parse(searchCtx *ctx,  int argc, char **argv);
 100
 101 /* Comparison (INT -> BOOL) */
 102 struct searchNode *eq_parse(searchCtx *ctx, int argc, char **argv);
 103 struct searchNode *lt_parse(searchCtx *ctx, int argc, char **argv);
 104 struct searchNode *gt_parse(searchCtx *ctx, int argc, char **argv);
 105
 106 /* String match (STRING -> BOOL) */
 107 struct searchNode *match_parse(searchCtx *ctx, int argc, char **argv);
 108 struct searchNode *regex_parse(searchCtx *ctx, int argc, char **argv);
 109
 110 /* Length (STRING -> INT) */
 111 struct searchNode *length_parse(searchCtx *ctx, int argc, char **argv);
 112
 113 /* kill/gline actions (BOOL) */
 114 struct searchNode *kill_parse(searchCtx *ctx, int argc, char **argv);
 115 struct searchNode *gline_parse(searchCtx *ctx, int argc, char **argv);
 116
 117 /* notice action (BOOL) */
 118 struct searchNode *notice_parse(searchCtx *ctx, int argc, char **argv);
 119
 120 /* Nick/Channel functions (various types) */
 121 struct searchNode *nick_parse(searchCtx *ctx, int argc, char **argv);
 122 struct searchNode *modes_parse(searchCtx *ctx, int argc, char **argv);
 123
 124 /* Nick functions (various types) */
 125 struct searchNode *hostmask_parse(searchCtx *ctx, int argc, char **argv);
 126 struct searchNode *realname_parse(searchCtx *ctx, int argc, char **argv);
 127 struct searchNode *authname_parse(searchCtx *ctx, int argc, char **argv);
 128 struct searchNode *authts_parse(searchCtx *ctx, int argc, char **argv);
 129 struct searchNode *ident_parse(searchCtx *ctx, int argc, char **argv);
 130 struct searchNode *host_parse(searchCtx *ctx, int argc, char **argv);
 131 struct searchNode *channel_parse(searchCtx *ctx, int argc, char **argv);
 132 struct searchNode *timestamp_parse(searchCtx *ctx, int argc, char **argv);
 133 struct searchNode *country_parse(searchCtx *ctx, int argc, char **argv);
 134 struct searchNode *ip_parse(searchCtx *ctx, int argc, char **argv);
 135 struct searchNode *channels_parse(searchCtx *ctx, int argc, char **argv);
 136 struct searchNode *server_parse(searchCtx *ctx, int argc, char **argv);
 137 struct searchNode *authid_parse(searchCtx *ctx, int argc, char **argv);
 138 struct searchNode *cidr_parse(searchCtx *ctx, int argc, char **argv);
 139
 140 /* Channel functions (various types) */
 141 struct searchNode *exists_parse(searchCtx *ctx, int argc, char **argv);
 142 struct searchNode *services_parse(searchCtx *ctx, int argc, char **argv);
 143 struct searchNode *size_parse(searchCtx *ctx, int argc, char **argv);
 144 struct searchNode *name_parse(searchCtx *ctx, int argc, char **argv);
 145 struct searchNode *topic_parse(searchCtx *ctx, int argc, char **argv);
 146 struct searchNode *oppct_parse(searchCtx *ctx, int argc, char **argv);
 147 struct searchNode *hostpct_parse(searchCtx *ctx, int argc, char **argv);
 148 struct searchNode *authedpct_parse(searchCtx *ctx, int argc, char **argv);
 149 struct searchNode *kick_parse(searchCtx *ctx, int argc, char **argv);
 150
 151 /* Interpret a string to give a node */
 152 struct searchNode *search_parse(searchCtx *ctx, char *input);
 153
 154 /* Iteration functions */
 155 struct searchNode *any_parse(searchCtx *ctx, int argc, char **argv);
 156 struct searchNode *all_parse(searchCtx *ctx, int argc, char **argv);
 157 struct searchNode *var_parse(searchCtx *ctx, int argc, char **argv);
 158
 159 /* Iteraterable functions */
 160 struct searchNode *channeliter_parse(searchCtx *ctx, int argc, char **argv);
 161
 162 /* Functions that operate on strings */
 163 struct searchNode *cumodes_parse(searchCtx *ctx, int argc, char **argv);
 164
 165 /* Force a node to return the thing you want */
 166 struct searchNode *coerceNode(searchCtx *ctx, struct searchNode *thenode, int type);
 167
 168 /* Registration functions */
 169 searchCmd *registersearchcommand(char *name, int level, CommandHandler cmd, void *defaultdisplayfunc);
 170 void deregistersearchcommand(searchCmd *scmd);
 171 void registersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc, int level, char *help);
 172 void deregistersearchterm(searchCmd *cmd, char *term, parseFunc parsefunc);
 173
 174 void registerglobalsearchterm(char *term, parseFunc parsefunc, char *help);
 175 void deregisterglobalsearchterm(char *term, parseFunc parsefunc);
 176
 177 void regdisp( searchCmd *cmd, const char *name, void *handler, int level, char *help);
 178 void unregdisp( searchCmd *cmd, const char *name, void *handler);
 179
 180 /* Special nick* printf */
 181 void nssnprintf(char *, size_t, const char *, nick *);
 182
 183 extern const char *parseError;
 184 extern nick *senderNSExtern;
 185
 186 void printnick(searchCtx *, nick *, nick *);
 187 void printuser(searchCtx *, nick *, authname *);
 188 void printchannel(searchCtx *, nick *, chanindex *);
 189
 190 void nicksearch_exe(struct searchNode *search, searchCtx *sctx, nick *sender, NickDisplayFunc display, int limit);
 191 void chansearch_exe(struct searchNode *search, searchCtx *sctx, nick *sender, ChanDisplayFunc display, int limit);
 192 void usersearch_exe(struct searchNode *search, searchCtx *ctx, nick *sender, UserDisplayFunc display, int limit);
 193
 194 int do_nicksearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 195 int do_chansearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 196 int do_usersearch_real(replyFunc reply, wallFunc wall, void *source, int cargc, char **cargv);
 197
 198 void *literal_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput);
 199 void literal_free(searchCtx *ctx, struct searchNode *thenode);
 200
 201 struct searchVariable *var_register(searchCtx *ctx, char *arg, int type);
 202 searchNode *var_get(searchCtx *ctx, char *arg);
 203 void var_setstr(struct searchVariable *v, char *data);
 204
 205 void newsearch_ctxinit(searchCtx *ctx, searchParseFunc searchfn, replyFunc replyfn, wallFunc wallfn, void *arg, searchCmd *cmd, nick *sender);
 206
 207 /* AST functions */
 208
 209 struct searchASTNode;
 210
 211 #define AST_NODE_CHILD 1
 212 #define AST_NODE_LITERAL 2
 213
 214 /* items to store in the ast lookup cache */
 215 #define AST_RECENT 10
 216
 217 struct searchASTExpr;
 218
 219 typedef struct searchASTNode {
 220   parseFunc fn;
 221   int argc;
 222   struct searchASTExpr *argv;
 223 } searchASTNode;
 224
 225 typedef struct searchASTExpr {
 226   int type;
 227   union {
 228     char *literal;
 229     /* this was originally a pointer, but having it as one means you can't memcpy directly */
 230     struct searchASTNode child;
 231   } u;
 232 } searchASTExpr;
 233
 234 #define __NSASTSizeOfArray(x) (sizeof(x) / sizeof(x[0]))
 235
 236 #define __NSASTExpr(x, y, ...) (searchASTExpr){.type = x, .u.y = __VA_ARGS__}
 237 #define __NSASTRawNode(x, c, y) (searchASTNode){.fn = x, .argc = c, .argv = y}
 238
 239 #define __NSASTSizeNode(x, y) __NSASTRawNode(x, __NSASTSizeOfArray(y), y)
 240 #define __NSASTNode(x, ...) __NSASTSizeNode(x, ((searchASTExpr []){__VA_ARGS__}))
 241
 242 #define __NSASTChild(...) __NSASTExpr(AST_NODE_CHILD, child, __VA_ARGS__)
 243
 244 #define NSASTLiteral(value) __NSASTExpr(AST_NODE_LITERAL, literal, value)
 245 #define NSASTNode(fn, ...) __NSASTChild(__NSASTNode(fn, __VA_ARGS__))
 246 #define NSASTManualNode(fn, count, children) __NSASTChild(__NSASTRawNode(fn, count, children))
 247
 248 searchNode *search_astparse(searchCtx *, char *);
 249
 250 int ast_nicksearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, NickDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 251 int ast_chansearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, ChanDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 252 int ast_usersearch(searchASTExpr *tree, replyFunc reply, void *sender, wallFunc wall, UserDisplayFunc display, HeaderFunc header, void *headerarg, int limit);
 253
 254 char *ast_printtree(char *buf, size_t bufsize, searchASTExpr *expr, searchCmd *cmd);
 255
 256 int parseopts(int cargc, char **cargv, int *arg, int *limit, void **subset, void *display, CommandTree *sl, replyFunc reply, void *sender);
 257
 258 typedef int (*ASTFunc)(searchASTExpr *, replyFunc, void *, wallFunc, void *, HeaderFunc, void *, int limit);
 259
 260 /* erk */
 261 extern searchList *globalterms;
 262
 263 extern searchCmd *reg_nicksearch;
 264 extern searchCmd *reg_chansearch;
 265 extern searchCmd *reg_usersearch;
 266
 267 extern UserDisplayFunc defaultuserfn;
 268 extern NickDisplayFunc defaultnickfn;
 269 extern ChanDisplayFunc defaultchanfn;
 270
 271 #endif