| 1 |
/* |
| 2 |
* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team |
| 3 |
* Rights to this code are as documented in doc/pod/gplicense.pod. |
| 4 |
* |
| 5 |
* Commandtree manipulation routines. |
| 6 |
* |
| 7 |
* $Id: commandtree.C,v 1.5 2007-08-29 21:01:18 pippijn Exp $ |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <algorithm> |
| 11 |
|
| 12 |
#include "atheme.h" |
| 13 |
#include "users.h" |
| 14 |
#include "privs.h" |
| 15 |
|
| 16 |
static char const rcsid[] = "$Id: commandtree.C,v 1.5 2007-08-29 21:01:18 pippijn Exp $"; |
| 17 |
|
| 18 |
cmdvec null_cmdvec; |
| 19 |
|
| 20 |
struct cmd_eq |
| 21 |
{ |
| 22 |
cmd_eq () : cmd (0) { } |
| 23 |
cmd_eq (char const * const command) : cmd (command) { } |
| 24 |
cmd_eq (command_t const &command) : cmd (command.name) { } |
| 25 |
|
| 26 |
bool operator () (command_t const *c) |
| 27 |
{ |
| 28 |
return !strcasecmp (c->name, cmd); |
| 29 |
} |
| 30 |
|
| 31 |
/******/ |
| 32 |
|
| 33 |
bool operator () (char const *c1, command_t const *c2) |
| 34 |
{ |
| 35 |
return !strcasecmp (c1, c2->name); |
| 36 |
} |
| 37 |
|
| 38 |
bool operator () (command_t const *c1, char const *c2) |
| 39 |
{ |
| 40 |
return !strcasecmp (c1->name, c2); |
| 41 |
} |
| 42 |
|
| 43 |
bool operator () (command_t const *c1, command_t const *c2) |
| 44 |
{ |
| 45 |
return !strcasecmp (c1->name, c2->name); |
| 46 |
} |
| 47 |
|
| 48 |
private: |
| 49 |
char const * const cmd; |
| 50 |
} cmd_compare; |
| 51 |
|
| 52 |
/* |
| 53 |
* command_add_many() |
| 54 |
* |
| 55 |
* Inputs: |
| 56 |
* array of commands to add, list to add them to. |
| 57 |
* |
| 58 |
* Output: |
| 59 |
* none |
| 60 |
* |
| 61 |
* Side Effects: |
| 62 |
* adds an array of commands to a command list, |
| 63 |
* via command_add(). |
| 64 |
*/ |
| 65 |
void |
| 66 |
operator << (cmdvec &commandlist, command_t const &cmd) |
| 67 |
{ |
| 68 |
if (std::find_if (commandlist.begin (), commandlist.end (), cmd_eq (cmd)) != commandlist.end ()) |
| 69 |
{ |
| 70 |
slog (LG_INFO, "command_add(): command %s already in the list", cmd.name); |
| 71 |
return; |
| 72 |
} |
| 73 |
|
| 74 |
commandlist.push_back (&cmd); |
| 75 |
} |
| 76 |
|
| 77 |
void |
| 78 |
operator << (cmdvec &commandlist, command_t const *cmd[]) |
| 79 |
{ |
| 80 |
unsigned int i; |
| 81 |
|
| 82 |
for (i = 0; cmd[i] != NULL; i++) |
| 83 |
commandlist << *cmd[i]; |
| 84 |
} |
| 85 |
|
| 86 |
/* |
| 87 |
* command_delete_many() |
| 88 |
* |
| 89 |
* Inputs: |
| 90 |
* array of commands to delete, list to delete them from. |
| 91 |
* |
| 92 |
* Output: |
| 93 |
* none |
| 94 |
* |
| 95 |
* Side Effects: |
| 96 |
* deletes an array of commands from a command list, |
| 97 |
* via command_delete(). |
| 98 |
*/ |
| 99 |
void |
| 100 |
operator >> (cmdvec &commandlist, command_t const &cmd) |
| 101 |
{ |
| 102 |
commandlist.erase (std::find_if (commandlist.begin (), commandlist.end (), cmd_eq (cmd))); |
| 103 |
} |
| 104 |
|
| 105 |
void |
| 106 |
operator >> (cmdvec &commandlist, command_t const *cmd[]) |
| 107 |
{ |
| 108 |
unsigned int i; |
| 109 |
|
| 110 |
for (i = 0; cmd[i] != NULL; i++) |
| 111 |
commandlist >> *cmd[i]; |
| 112 |
} |
| 113 |
|
| 114 |
command_t const * |
| 115 |
cmdvec::find (char const *command) |
| 116 |
{ |
| 117 |
cmdvec::iterator et = end (); |
| 118 |
cmdvec::iterator it = std::find_if (begin (), et, cmd_eq (command)); |
| 119 |
|
| 120 |
if (it != et) |
| 121 |
return *it; |
| 122 |
|
| 123 |
return NULL; |
| 124 |
} |
| 125 |
|
| 126 |
void |
| 127 |
command_t::exec (service_t *svs, sourceinfo_t *si, int parc, char *parv[]) const |
| 128 |
{ |
| 129 |
if (has_priv (si, access)) |
| 130 |
{ |
| 131 |
cmd (si, parc, parv); |
| 132 |
return; |
| 133 |
} |
| 134 |
|
| 135 |
if (has_any_privs (si)) |
| 136 |
command_fail (si, fault_noprivs, _("You do not have %s privilege."), access); |
| 137 |
else |
| 138 |
command_fail (si, fault_noprivs, _("You are not authorized to perform this operation.")); |
| 139 |
/*snoop(_("DENIED CMD: \2%s\2 used %s %s"), origin, svs->name, cmd); */ |
| 140 |
} |
| 141 |
|
| 142 |
void |
| 143 |
command_exec_split (service_t *svs, sourceinfo_t *si, char const * const cmd, char const * const text, cmdvec &commandlist) |
| 144 |
{ |
| 145 |
char *parv[20] = { 0 }; |
| 146 |
command_t const *c; |
| 147 |
|
| 148 |
if ((c = commandlist.find (cmd))) |
| 149 |
{ |
| 150 |
unsigned const parc = sjtoken (text, ' ', parv, c->maxparc); |
| 151 |
c->exec (svs, si, parc, parv); |
| 152 |
} |
| 153 |
else |
| 154 |
notice (svs->name, si->su->nick, _("Invalid command. Use \2/%s%s help\2 for a command listing."), (ircd->uses_rcommand == false) ? "msg " : "", svs->disp); |
| 155 |
} |
| 156 |
|
| 157 |
/* |
| 158 |
* command_help |
| 159 |
* Iterates the command tree and lists available commands. |
| 160 |
* |
| 161 |
* inputs - |
| 162 |
* si: The origin of the request. |
| 163 |
* commandtree: The command tree being listed. |
| 164 |
* |
| 165 |
* outputs - |
| 166 |
* A list of available commands. |
| 167 |
*/ |
| 168 |
struct render_help |
| 169 |
{ |
| 170 |
render_help (sourceinfo_t *info) |
| 171 |
: si (info) |
| 172 |
{ |
| 173 |
} |
| 174 |
|
| 175 |
void operator () (command_t const *c) |
| 176 |
{ |
| 177 |
/* show only the commands we have access to |
| 178 |
* (taken from command_exec()) |
| 179 |
*/ |
| 180 |
if (has_priv (si, c->access)) |
| 181 |
command_success_nodata (si, "\2%-15s\2 %s", c->name, c->desc); |
| 182 |
} |
| 183 |
|
| 184 |
sourceinfo_t *si; |
| 185 |
}; |
| 186 |
|
| 187 |
void |
| 188 |
command_help (sourceinfo_t *si, cmdvec &commandlist) |
| 189 |
{ |
| 190 |
if (si->service == NULL || si->service->cmdtree == &commandlist) |
| 191 |
command_success_nodata (si, _("The following commands are available:")); |
| 192 |
else |
| 193 |
command_success_nodata (si, _("The following subcommands are available:")); |
| 194 |
|
| 195 |
std::for_each (commandlist.begin (), commandlist.end (), render_help (si)); |
| 196 |
} |
| 197 |
|
| 198 |
/* name1 name2 name3... */ |
| 199 |
static bool |
| 200 |
string_in_list (char const *str, char const *name) |
| 201 |
{ |
| 202 |
char *p; |
| 203 |
int l; |
| 204 |
|
| 205 |
if (str == NULL) |
| 206 |
return false; |
| 207 |
l = strlen (name); |
| 208 |
while (*str != '\0') |
| 209 |
{ |
| 210 |
p = strchr (str, ' '); |
| 211 |
if (p != NULL ? p - str == l && !strncasecmp (str, name, p - str) : !strcasecmp (str, name)) |
| 212 |
return true; |
| 213 |
if (p == NULL) |
| 214 |
return false; |
| 215 |
str = p; |
| 216 |
while (*str == ' ') |
| 217 |
str++; |
| 218 |
} |
| 219 |
return false; |
| 220 |
} |
| 221 |
|
| 222 |
/* |
| 223 |
* command_help_short |
| 224 |
* Iterates over the command tree and lists available commands. |
| 225 |
* |
| 226 |
* inputs - |
| 227 |
* mynick: The nick of the services bot sending out the notices. |
| 228 |
* origin: The origin of the request. |
| 229 |
* commandtree: The command tree being listed. |
| 230 |
* maincmds: The commands to list verbosely. |
| 231 |
* |
| 232 |
* outputs - |
| 233 |
* A list of available commands. |
| 234 |
*/ |
| 235 |
struct render_help_short |
| 236 |
{ |
| 237 |
render_help_short (sourceinfo_t *info, char const * const cmdlist) |
| 238 |
: si (info), maincmds (cmdlist) |
| 239 |
{ |
| 240 |
} |
| 241 |
|
| 242 |
void operator () (command_t const *c) |
| 243 |
{ |
| 244 |
/* show only the commands we have access to |
| 245 |
* (taken from command_exec()) |
| 246 |
*/ |
| 247 |
if (string_in_list (maincmds, c->name) && has_priv (si, c->access)) |
| 248 |
command_success_nodata (si, "\2%-15s\2 %s", c->name, c->desc); |
| 249 |
} |
| 250 |
|
| 251 |
private: |
| 252 |
sourceinfo_t *si; |
| 253 |
char const * const maincmds; |
| 254 |
}; |
| 255 |
|
| 256 |
struct render_list |
| 257 |
{ |
| 258 |
render_list (sourceinfo_t *info, dynstr &str, char const * const cmdlist, size_t length) |
| 259 |
: si (info), buf (str), maincmds (cmdlist), indent (length) |
| 260 |
{ |
| 261 |
} |
| 262 |
|
| 263 |
void operator () (command_t const *c) |
| 264 |
{ |
| 265 |
/* show only the commands we have access to |
| 266 |
* (taken from command_exec()) |
| 267 |
*/ |
| 268 |
size_t l = indent; |
| 269 |
if (!string_in_list (maincmds, c->name) && has_priv (si, c->access)) |
| 270 |
{ |
| 271 |
if (buf.length () > l) |
| 272 |
buf.append (", ", 2); |
| 273 |
if (buf.length () > 55) |
| 274 |
{ |
| 275 |
command_success_nodata (si, "%s", buf.c_str ()); |
| 276 |
buf.reset (); |
| 277 |
while (--l > 0) |
| 278 |
buf.append (' '); |
| 279 |
buf.append (' '); |
| 280 |
l = indent; |
| 281 |
} |
| 282 |
buf.append (c->name, strlen (c->name)); |
| 283 |
} |
| 284 |
} |
| 285 |
|
| 286 |
private: |
| 287 |
sourceinfo_t *si; |
| 288 |
dynstr &buf; |
| 289 |
char const * const maincmds; |
| 290 |
size_t indent; |
| 291 |
}; |
| 292 |
|
| 293 |
void |
| 294 |
command_help_short (sourceinfo_t *si, cmdvec &commandlist, char const * const maincmds) |
| 295 |
{ |
| 296 |
size_t l; |
| 297 |
char *lbuf; |
| 298 |
dynstr buf (256); |
| 299 |
|
| 300 |
if (si->service == NULL || si->service->cmdtree == &commandlist) |
| 301 |
command_success_nodata (si, _("The following commands are available:")); |
| 302 |
else |
| 303 |
command_success_nodata (si, _("The following subcommands are available:")); |
| 304 |
|
| 305 |
std::for_each (commandlist.begin (), commandlist.end (), render_help_short (si, maincmds)); |
| 306 |
|
| 307 |
command_success_nodata (si, " "); |
| 308 |
lbuf = _("Other commands: "); |
| 309 |
buf.append (lbuf, l = strlen (lbuf)); |
| 310 |
|
| 311 |
std::for_each (commandlist.begin (), commandlist.end (), render_list (si, buf, maincmds, l)); |
| 312 |
|
| 313 |
if (buf.length () > l) |
| 314 |
command_success_nodata (si, "%s", buf.c_str ()); |
| 315 |
} |
