/*
* tcl.c -- handles:
* the code for every command eggdrop adds to Tcl
* Tcl initialization
* getting and setting Tcl/eggdrop variables
*
* $Id: tcl.c,v 1.86 2006-03-28 02:35:50 wcc Exp $
*/
/*
* Copyright (C) 1997 Robey Pointer
* Copyright (C) 1999 - 2006 Eggheads Development Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdlib.h> /* getenv() */
#include <locale.h> /* setlocale() */
#include "main.h"
/* Used for read/write to internal strings */
typedef struct {
char *str; /* Pointer to actual string in eggdrop */
int max; /* max length (negative: read-only var
* when protect is on) (0: read-only ALWAYS) */
int flags; /* 1 = directory */
} strinfo;
typedef struct {
int *var;
int ro;
} intinfo;
extern time_t online_since;
extern char origbotname[], botuser[], motdfile[], admin[], userfile[],
firewall[], helpdir[], notify_new[], hostname[], myip[], moddir[],
tempdir[], owner[], network[], botnetnick[], bannerfile[],
egg_version[], natip[], configfile[], logfile_suffix[], textdir[],
pid_file[];
extern int flood_telnet_thr, flood_telnet_time, shtime, share_greet,
require_p, keep_all_logs, allow_new_telnets, stealth_telnets,
use_telnet_banner, default_flags, conmask, switch_logfiles_at,
connect_timeout, firewallport, notify_users_at, flood_thr, tands,
ignore_time, reserved_port_min, reserved_port_max, die_on_sighup,
die_on_sigterm, max_logs, max_logsize, dcc_total, raw_log,
identtimeout, dcc_sanitycheck, dupwait_timeout, egg_numver,
share_unlinks, protect_telnet, sort_users, strict_host,
resolve_timeout, default_uflags, userfile_perm;
extern struct dcc_t *dcc;
extern tcl_timer_t *timer, *utimer;
Tcl_Interp *interp;
int protect_readonly = 0; /* Enable read-only protection? */
char whois_fields[1025] = "";
int dcc_flood_thr = 3;
int use_invites = 0;
int use_exempts = 0;
int force_expire = 0;
int remote_boots = 2;
int allow_dk_cmds = 1;
int must_be_owner = 1;
int quiet_reject = 1;
int copy_to_tmp = 1;
int max_dcc = 20;
int quick_logs = 0;
int par_telnet_flood = 1;
int quiet_save = 0;
int strtot = 0;
int handlen = HANDLEN;
int utftot = 0;
int clientdata_stuff = 0;
/* Compatability for removed settings.*/
int strict_servernames = 0, enable_simul = 1, use_console_r = 0,
debug_output = 0;
/* Prototypes for Tcl */
Tcl_Interp *Tcl_CreateInterp();
int expmem_tcl()
{
return strtot + utftot + clientdata_stuff;
}
static void botnet_change(char *new)
{
if (egg_strcasecmp(botnetnick, new)) {
/* Trying to change bot's nickname */
if (tands > 0) {
putlog(LOG_MISC, "*", "* Tried to change my botnet nick, but I'm still "
"linked to a botnet.");
putlog(LOG_MISC, "*", "* (Unlink and try again.)");
return;
} else {
if (botnetnick[0])
putlog(LOG_MISC, "*", "* IDENTITY CHANGE: %s -> %s", botnetnick, new);
strcpy(botnetnick, new);
}
}
}
/*
* Vars, traces, misc
*/
int init_dcc_max(), init_misc();
/* Used for read/write to integer couplets */
typedef struct {
int *left; /* left side of couplet */
int *right; /* right side */
} coupletinfo;
/* FIXME: tcl_eggcouplet() should be redesigned so we can use
* TCL_TRACE_WRITES | TCL_TRACE_READS as the bit mask instead
* of 2 calls as is done in add_tcl_coups().
*/
/* Read/write integer couplets (int1:int2) */
static char *tcl_eggcouplet(ClientData cdata, Tcl_Interp *irp,
EGG_CONST char *name1,
EGG_CONST char *name2, int flags)
{
char *s, s1[41];
coupletinfo *cp = (coupletinfo *) cdata;
if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
egg_snprintf(s1, sizeof s1, "%d:%d", *(cp->left), *(cp->right));
Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
if (flags & TCL_TRACE_UNSETS)
Tcl_TraceVar(interp, name1,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggcouplet, cdata);
} else { /* writes */
s = (char *) Tcl_GetVar2(interp, name1, name2, 0);
if (s != NULL) {
int nr1, nr2;
nr1 = nr2 = 0;
if (strlen(s) > 40)
s[40] = 0;
sscanf(s, "%d%*c%d", &nr1, &nr2);
*(cp->left) = nr1;
*(cp->right) = nr2;
}
}
return NULL;
}
/* Read or write normal integer.
*/
static char *tcl_eggint(ClientData cdata, Tcl_Interp *irp,
EGG_CONST char *name1,
EGG_CONST char *name2, int flags)
{
char *s, s1[40];
long l;
intinfo *ii = (intinfo *) cdata;
if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
/* Special cases */
if ((int *) ii->var == &conmask)
strcpy(s1, masktype(conmask));
else if ((int *) ii->var == &default_flags) {
struct flag_record fr = { FR_GLOBAL, 0, 0, 0, 0, 0 };
fr.global = default_flags;
fr.udef_global = default_uflags;
build_flags(s1, &fr, 0);
} else if ((int *) ii->var == &userfile_perm) {
egg_snprintf(s1, sizeof s1, "0%o", userfile_perm);
} else
egg_snprintf(s1, sizeof s1, "%d", *(int *) ii->var);
Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
if (flags & TCL_TRACE_UNSETS)
Tcl_TraceVar(interp, name1,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggint, cdata);
return NULL;
} else { /* Writes */
s = (char *) Tcl_GetVar2(interp, name1, name2, TCL_GLOBAL_ONLY);
if (s != NULL) {
if ((int *) ii->var == &conmask) {
if (s[0])
conmask = logmodes(s);
else
conmask = LOG_MODES | LOG_MISC | LOG_CMDS;
} else if ((int *) ii->var == &default_flags) {
struct flag_record fr = { FR_GLOBAL, 0, 0, 0, 0, 0 };
break_down_flags(s, &fr, 0);
default_flags = sanity_check(fr.global); /* drummer */
default_uflags = fr.udef_global;
} else if ((int *) ii->var == &userfile_perm) {
int p = oatoi(s);
if (p <= 0)
return "invalid userfile permissions";
userfile_perm = p;
} else if ((ii->ro == 2) || ((ii->ro == 1) && protect_readonly))
return "read-only variable";
else {
if (Tcl_ExprLong(interp, s, &l) == TCL_ERROR)
return interp->result;
if ((int *) ii->var == &max_dcc) {
if (l < max_dcc)
return "you can't DECREASE max-dcc";
max_dcc = l;
init_dcc_max();
} else if ((int *) ii->var == &max_logs) {
if (l < max_logs)
return "you can't DECREASE max-logs";
max_logs = l;
init_misc();
} else
*(ii->var) = (int) l;
}
}
return NULL;
}
}
/* Read/write normal string variable
*/
static char *tcl_eggstr(ClientData cdata, Tcl_Interp *irp,
EGG_CONST char *name1,
EGG_CONST char *name2, int flags)
{
char *s;
strinfo *st = (strinfo *) cdata;
if (flags & (TCL_TRACE_READS | TCL_TRACE_UNSETS)) {
if ((st->str == firewall) && (firewall[0])) {
char s1[127];
egg_snprintf(s1, sizeof s1, "%s:%d", firewall, firewallport);
Tcl_SetVar2(interp, name1, name2, s1, TCL_GLOBAL_ONLY);
} else
Tcl_SetVar2(interp, name1, name2, st->str, TCL_GLOBAL_ONLY);
if (flags & TCL_TRACE_UNSETS) {
Tcl_TraceVar(interp, name1, TCL_TRACE_READS | TCL_TRACE_WRITES |
TCL_TRACE_UNSETS, tcl_eggstr, cdata);
if ((st->max <= 0) && (protect_readonly || (st->max == 0)))
return "read-only variable"; /* it won't return the error... */
}
return NULL;
} else { /* writes */
if ((st->max <= 0) && (protect_readonly || (st->max == 0))) {
Tcl_SetVar2(interp, name1, name2, st->str, TCL_GLOBAL_ONLY);
return "read-only variable";
}
#ifdef USE_TCL_BYTE_ARRAYS
# undef malloc
# undef free
{
Tcl_Obj *obj;
unsigned char *bytes;
int len;
obj = Tcl_GetVar2Ex(interp, name1, name2, 0);
if (!obj)
return NULL;
len = 0;
bytes = Tcl_GetByteArrayFromObj(obj, &len);
if (!bytes)
return NULL;
s = malloc(len + 1);
egg_memcpy(s, bytes, len);
s[len] = 0;
}
#else
s = (char *) Tcl_GetVar2(interp, name1, name2, 0);
#endif /* USE_TCL_BYTE_ARRAYS */
if (s != NULL) {
if (strlen(s) > abs(st->max))
s[abs(st->max)] = 0;
if (st->str == botnetnick)
botnet_change(s);
else if (st->str == logfile_suffix)
logsuffix_change(s);
else if (st->str == firewall) {
splitc(firewall, s, ':');
if (!firewall[0])
strcpy(firewall, s);
else
firewallport = atoi(s);
} else
strcpy(st->str, s);
if ((st->flags) && (s[0])) {
if (st->str[strlen(st->str) - 1] != '/')
strcat(st->str, "/");
}
#ifdef USE_TCL_BYTE_ARRAYS
free(s);
#endif /* USE_TCL_BYTE_ARRAYS */
}
return NULL;
}
}
/* Add/remove tcl commands
*/
#ifdef USE_TCL_BYTE_ARRAYS
static int utf_converter(ClientData cdata, Tcl_Interp *myinterp, int objc,
Tcl_Obj *CONST objv[])
{
char **strings, *byteptr;
int i, len, retval, diff;
void **callback_data;
Function func;
ClientData cd;
objc += 5;
strings = (char **) nmalloc(sizeof(char *) * objc);
egg_memset(strings, 0, sizeof(char *) * objc);
diff = utftot;
utftot += sizeof(char *) * objc;
objc -= 5;
for (i = 0; i < objc; i++) {
byteptr = (char *) Tcl_GetByteArrayFromObj(objv[i], &len);
strings[i] = (char *) nmalloc(len + 1);
utftot += len + 1;
strncpy(strings[i], byteptr, len);
strings[i][len] = 0;
}
callback_data = (void **) cdata;
func = (Function) callback_data[0];
cd = (ClientData) callback_data[1];
diff -= utftot;
retval = func(cd, myinterp, objc, strings);
for (i = 0; i < objc; i++)
nfree(strings[i]);
nfree(strings);
utftot += diff;
return retval;
}
void cmd_delete_callback(ClientData cdata)
{
nfree(cdata);
clientdata_stuff -= sizeof(void *) * 2;
}
#endif /* USE_TCL_BYTE_ARRAYS */
#ifdef USE_TCL_BYTE_ARRAYS
void add_tcl_commands(tcl_cmds *table)
{
void **cdata;
while (table->name) {
cdata = (void **) nmalloc(sizeof(void *) * 2);
clientdata_stuff += sizeof(void *) * 2;
cdata[0] = (void *)table->func;
cdata[1] = NULL;
Tcl_CreateObjCommand(interp, table->name, utf_converter, (ClientData) cdata,
cmd_delete_callback);
table++;
}
}
#else /* USE_TCL_BYTE_ARRAYS */
void add_tcl_commands(tcl_cmds *table)
{
int i;
for (i = 0; table[i].name; i++)
Tcl_CreateCommand(interp, table[i].name, table[i].func, NULL, NULL);
}
#endif /* USE_TCL_BYTE_ARRAYS */
#ifdef USE_TCL_BYTE_ARRAYS
void add_cd_tcl_cmds(cd_tcl_cmd *table)
{
void **cdata;
while (table->name) {
cdata = nmalloc(sizeof(void *) * 2);
clientdata_stuff += sizeof(void *) * 2;
cdata[0] = (void *)table->callback;
cdata[1] = table->cdata;
Tcl_CreateObjCommand(interp, table->name, utf_converter, (ClientData) cdata,
cmd_delete_callback);
table++;
}
}
#else /* USE_TCL_BYTE_ARRAYS */
void add_cd_tcl_cmds(cd_tcl_cmd *table)
{
while (table->name) {
Tcl_CreateCommand(interp, table->name, table->callback,
(ClientData) table->cdata, NULL);
table++;
}
}
#endif /* USE_TCL_BYTE_ARRAYS */
void rem_tcl_commands(tcl_cmds *table)
{
int i;
for (i = 0; table[i].name; i++)
Tcl_DeleteCommand(interp, table[i].name);
}
void rem_cd_tcl_cmds(cd_tcl_cmd *table)
{
while (table->name) {
Tcl_DeleteCommand(interp, table->name);
table++;
}
}
#ifdef USE_TCL_OBJ
void add_tcl_objcommands(tcl_cmds *table)
{
int i;
for (i = 0; table[i].name; i++)
Tcl_CreateObjCommand(interp, table[i].name, table[i].func, (ClientData) 0,
NULL);
}
#endif
static tcl_strings def_tcl_strings[] = {
{"botnet-nick", botnetnick, HANDLEN, 0},
{"userfile", userfile, 120, STR_PROTECT},
{"motd", motdfile, 120, STR_PROTECT},
{"admin", admin, 120, 0},
{"help-path", helpdir, 120, STR_DIR | STR_PROTECT},
{"temp-path", tempdir, 120, STR_DIR | STR_PROTECT},
{"text-path", textdir, 120, STR_DIR | STR_PROTECT},
#ifndef STATIC
{"mod-path", moddir, 120, STR_DIR | STR_PROTECT},
#endif
{"notify-newusers", notify_new, 120, 0},
{"owner", owner, 120, STR_PROTECT},
{"my-ip", myip, 120, 0},
{"my-hostname", hostname, 120, 0},
{"network", network, 40, 0},
{"whois-fields", whois_fields, 1024, 0},
{"nat-ip", natip, 120, 0},
{"username", botuser, 10, 0},
{"version", egg_version, 0, 0},
{"firewall", firewall, 120, 0},
{"config", configfile, 0, 0},
{"telnet-banner", bannerfile, 120, STR_PROTECT},
{"logfile-suffix", logfile_suffix, 20, 0},
{"pidfile", pid_file, 120, STR_PROTECT},
{NULL, NULL, 0, 0}
};
static tcl_ints def_tcl_ints[] = {
{"ignore-time", &ignore_time, 0},
{"handlen", &handlen, 2},
{"dcc-flood-thr", &dcc_flood_thr, 0},
{"hourly-updates", ¬ify_users_at, 0},
{"switch-logfiles-at", &switch_logfiles_at, 0},
{"connect-timeout", &connect_timeout, 0},
{"reserved-port", &reserved_port_min, 0},
{"require-p", &require_p, 0},
{"keep-all-logs", &keep_all_logs, 0},
{"open-telnets", &allow_new_telnets, 0},
{"stealth-telnets", &stealth_telnets, 0},
{"use-telnet-banner", &use_telnet_banner, 0},
{"uptime", (int *) &online_since, 2},
{"console", &conmask, 0},
{"default-flags", &default_flags, 0},
{"numversion", &egg_numver, 2},
{"die-on-sighup", &die_on_sighup, 1},
{"die-on-sigterm", &die_on_sigterm, 1},
{"remote-boots", &remote_boots, 1},
{"max-dcc", &max_dcc, 0},
{"max-logs", &max_logs, 0},
{"max-logsize", &max_logsize, 0},
{"quick-logs", &quick_logs, 0},
{"raw-log", &raw_log, 1},
{"protect-telnet", &protect_telnet, 0},
{"dcc-sanitycheck", &dcc_sanitycheck, 0},
{"sort-users", &sort_users, 0},
{"ident-timeout", &identtimeout, 0},
{"share-unlinks", &share_unlinks, 0},
{"log-time", &shtime, 0},
{"allow-dk-cmds", &allow_dk_cmds, 0},
{"resolve-timeout", &resolve_timeout, 0},
{"must-be-owner", &must_be_owner, 1},
{"paranoid-telnet-flood", &par_telnet_flood, 0},
{"use-exempts", &use_exempts, 0},
{"use-invites", &use_invites, 0},
{"quiet-save", &quiet_save, 0},
{"force-expire", &force_expire, 0},
{"dupwait-timeout", &dupwait_timeout, 0},
{"strict-host", &strict_host, 0},
{"userfile-perm", &userfile_perm, 0},
{"copy-to-tmp", ©_to_tmp, 0},
{"quiet-reject", &quiet_reject, 0},
{"strict-servernames", &strict_servernames, 0}, /* compat */
{"enable-simul", &enable_simul, 0}, /* compat */
{"debug-output", &debug_output, 0}, /* compat */
{"use-console-r", &use_console_r, 0}, /* compat */
{NULL, NULL, 0}
};
static tcl_coups def_tcl_coups[] = {
{"telnet-flood", &flood_telnet_thr, &flood_telnet_time},
{"reserved-portrange", &reserved_port_min, &reserved_port_max},
{NULL, NULL, NULL}
};
/* Set up Tcl variables that will hook into eggdrop internal vars via
* trace callbacks.
*/
static void init_traces()
{
add_tcl_coups(def_tcl_coups);
add_tcl_strings(def_tcl_strings);
add_tcl_ints(def_tcl_ints);
}
void kill_tcl()
{
rem_tcl_coups(def_tcl_coups);
rem_tcl_strings(def_tcl_strings);
rem_tcl_ints(def_tcl_ints);
kill_bind();
Tcl_DeleteInterp(interp);
}
extern tcl_cmds tcluser_cmds[], tcldcc_cmds[], tclmisc_cmds[],
tclmisc_objcmds[], tcldns_cmds[];
/* Not going through Tcl's crazy main() system (what on earth was he
* smoking?!) so we gotta initialize the Tcl interpreter
*/
void init_tcl(int argc, char **argv)
{
#ifdef USE_TCL_ENCODING
const char *encoding;
int i;
char *langEnv;
#endif /* USE_TCL_ENCODING */
#ifdef USE_TCL_PACKAGE
int j;
char pver[1024] = "";
#endif /* USE_TCL_PACKAGE */
/* This must be done *BEFORE* Tcl_SetSystemEncoding(),
* or Tcl_SetSystemEncoding() will cause a segfault.
*/
#ifdef USE_TCL_FINDEXEC
/* This is used for 'info nameofexecutable'.
* The filename in argv[0] must exist in a directory listed in
* the environment variable PATH for it to register anything.
*/
Tcl_FindExecutable(argv[0]);
#endif /* USE_TCL_FINDEXEC */
/* Initialize the interpreter */
interp = Tcl_CreateInterp();
#ifdef DEBUG_MEM
/* Initialize Tcl's memory debugging if we want it */
Tcl_InitMemory(interp);
#endif
/* Set Tcl variable tcl_interactive to 0 */
Tcl_SetVar(interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);
/* Setup script library facility */
Tcl_Init(interp);
/* Code based on Tcl's TclpSetInitialEncodings() */
#ifdef USE_TCL_ENCODING
/* Determine the current encoding from the LC_* or LANG environment
* variables.
*/
langEnv = getenv("LC_ALL");
if (langEnv == NULL || langEnv[0] == '\0') {
langEnv = getenv("LC_CTYPE");
}
if (langEnv == NULL || langEnv[0] == '\0') {
langEnv = getenv("LANG");
}
if (langEnv == NULL || langEnv[0] == '\0') {
langEnv = NULL;
}
encoding = NULL;
if (langEnv != NULL) {
for (i = 0; localeTable[i].lang != NULL; i++)
if (strcmp(localeTable[i].lang, langEnv) == 0) {
encoding = localeTable[i].encoding;
break;
}
/* There was no mapping in the locale table. If there is an
* encoding subfield, we can try to guess from that.
*/
if (encoding == NULL) {
char *p;
for (p = langEnv; *p != '\0'; p++) {
if (*p == '.') {
p++;
break;
}
}
if (*p != '\0') {
Tcl_DString ds;
Tcl_DStringInit(&ds);
Tcl_DStringAppend(&ds, p, -1);
encoding = Tcl_DStringValue(&ds);
Tcl_UtfToLower(Tcl_DStringValue(&ds));
if (Tcl_SetSystemEncoding(NULL, encoding) == TCL_OK) {
Tcl_DStringFree(&ds);
goto resetPath;
}
Tcl_DStringFree(&ds);
encoding = NULL;
}
}
}
if (encoding == NULL) {
encoding = "iso8859-1";
}
Tcl_SetSystemEncoding(NULL, encoding);
resetPath:
/* Initialize the C library's locale subsystem. */
setlocale(LC_CTYPE, "");
/* In case the initial locale is not "C", ensure that the numeric
* processing is done in "C" locale regardless. */
setlocale(LC_NUMERIC, "C");
/* Keep the iso8859-1 encoding preloaded. The IO package uses it for
* gets on a binary channel. */
Tcl_GetEncoding(NULL, "iso8859-1");
#endif /* USE_TCL_ENCODING */
#ifdef USE_TCL_PACKAGE
/* Add eggdrop to Tcl's package list */
for (j = 0; j <= strlen(egg_version); j++) {
if ((egg_version[j] == ' ') || (egg_version[j] == '+'))
break;
pver[strlen(pver)] = egg_version[j];
}
Tcl_PkgProvide(interp, "eggdrop", pver);
#endif /* USE_TCL_PACKAGE */
/* Initialize binds and traces */
init_bind();
init_traces();
/* Add new commands */
add_tcl_commands(tcluser_cmds);
add_tcl_commands(tcldcc_cmds);
add_tcl_commands(tclmisc_cmds);
#ifdef USE_TCL_OBJ
add_tcl_objcommands(tclmisc_objcmds);
#endif
add_tcl_commands(tcldns_cmds);
}
void do_tcl(char *whatzit, char *script)
{
int code;
char *result;
#ifdef USE_TCL_ENCODING
Tcl_DString dstr;
#endif
code = Tcl_Eval(interp, script);
#ifdef USE_TCL_ENCODING
/* properly convert string to system encoding. */
Tcl_DStringInit(&dstr);
Tcl_UtfToExternalDString(NULL, interp->result, -1, &dstr);
result = Tcl_DStringValue(&dstr);
#else
/* use old pre-Tcl 8.1 way. */
result = interp->result;
#endif
if (code != TCL_OK) {
putlog(LOG_MISC, "*", "Tcl error in script for '%s':", whatzit);
putlog(LOG_MISC, "*", "%s", result);
}
#ifdef USE_TCL_ENCODING
Tcl_DStringFree(&dstr);
#endif
}
/* Interpret tcl file fname.
*
* returns: 1 - if everything was okay
*/
int readtclprog(char *fname)
{
int code;
char *result;
#ifdef USE_TCL_ENCODING
Tcl_DString dstr;
#endif
if (!file_readable(fname))
return 0;
code = Tcl_EvalFile(interp, fname);
result = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
#ifdef USE_TCL_ENCODING
/* properly convert string to system encoding. */
Tcl_DStringInit(&dstr);
Tcl_UtfToExternalDString(NULL, result, -1, &dstr);
result = Tcl_DStringValue(&dstr);
#endif
if (code != TCL_OK) {
putlog(LOG_MISC, "*", "Tcl error in file '%s':", fname);
putlog(LOG_MISC, "*", "%s", result);
code = 0; /* JJM: refactored to remove premature return */
} else {
/* Refresh internal variables */
code = 1;
}
#ifdef USE_TCL_ENCODING
Tcl_DStringFree(&dstr);
#endif
return code;
}
void add_tcl_strings(tcl_strings *list)
{
int i;
strinfo *st;
int tmp;
for (i = 0; list[i].name; i++) {
st = nmalloc(sizeof *st);
strtot += sizeof(strinfo);
st->max = list[i].length - (list[i].flags & STR_DIR);
if (list[i].flags & STR_PROTECT)
st->max = -st->max;
st->str = list[i].buf;
st->flags = (list[i].flags & STR_DIR);
tmp = protect_readonly;
protect_readonly = 0;
tcl_eggstr((ClientData) st, interp, list[i].name, NULL, TCL_TRACE_WRITES);
protect_readonly = tmp;
tcl_eggstr((ClientData) st, interp, list[i].name, NULL, TCL_TRACE_READS);
Tcl_TraceVar(interp, list[i].name, TCL_TRACE_READS | TCL_TRACE_WRITES |
TCL_TRACE_UNSETS, tcl_eggstr, (ClientData) st);
}
}
void rem_tcl_strings(tcl_strings *list)
{
int i;
strinfo *st;
for (i = 0; list[i].name; i++) {
st = (strinfo *) Tcl_VarTraceInfo(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS, tcl_eggstr,
NULL);
Tcl_UntraceVar(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggstr, st);
if (st != NULL) {
strtot -= sizeof(strinfo);
nfree(st);
}
}
}
void add_tcl_ints(tcl_ints *list)
{
int i, tmp;
intinfo *ii;
for (i = 0; list[i].name; i++) {
ii = nmalloc(sizeof *ii);
strtot += sizeof(intinfo);
ii->var = list[i].val;
ii->ro = list[i].readonly;
tmp = protect_readonly;
protect_readonly = 0;
tcl_eggint((ClientData) ii, interp, list[i].name, NULL, TCL_TRACE_WRITES);
protect_readonly = tmp;
tcl_eggint((ClientData) ii, interp, list[i].name, NULL, TCL_TRACE_READS);
Tcl_TraceVar(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggint, (ClientData) ii);
}
}
void rem_tcl_ints(tcl_ints *list)
{
int i;
intinfo *ii;
for (i = 0; list[i].name; i++) {
ii = (intinfo *) Tcl_VarTraceInfo(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS, tcl_eggint,
NULL);
Tcl_UntraceVar(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggint, (ClientData) ii);
if (ii) {
strtot -= sizeof(intinfo);
nfree(ii);
}
}
}
/* Allocate couplet space for tracing couplets
*/
void add_tcl_coups(tcl_coups *list)
{
coupletinfo *cp;
int i;
for (i = 0; list[i].name; i++) {
cp = nmalloc(sizeof *cp);
strtot += sizeof(coupletinfo);
cp->left = list[i].lptr;
cp->right = list[i].rptr;
tcl_eggcouplet((ClientData) cp, interp, list[i].name, NULL,
TCL_TRACE_WRITES);
tcl_eggcouplet((ClientData) cp, interp, list[i].name, NULL,
TCL_TRACE_READS);
Tcl_TraceVar(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggcouplet, (ClientData) cp);
}
}
void rem_tcl_coups(tcl_coups *list)
{
coupletinfo *cp;
int i;
for (i = 0; list[i].name; i++) {
cp = (coupletinfo *) Tcl_VarTraceInfo(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS, tcl_eggcouplet,
NULL);
strtot -= sizeof(coupletinfo);
Tcl_UntraceVar(interp, list[i].name,
TCL_TRACE_READS | TCL_TRACE_WRITES | TCL_TRACE_UNSETS,
tcl_eggcouplet, (ClientData) cp);
nfree(cp);
}
}
