/*
* $Id$
- *
- * Variable substitution type stuff
- *
+ */
+/**
+ * \defgroup Subst Variable substitution type stuff
+ * \ingroup CitadelConfig
*/
+/*@{*/
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
+#include "sysdep.h"
#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/time.h>
#include <sys/stat.h>
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
+#include <unistd.h>
+
#include "webcit.h"
+#include "webserver.h"
-struct wcsubst *global_subst = NULL;
+/**
+ * \brief debugging function to print array to log
+ */
+void VarPrintTransition(void *vVar1, void *vVar2, int odd){}
+/**
+ * \brief debugging function to print array to log
+ */
+void VarPrintEntry(const char *Key, void *vSubst, int odd)
+{
+ wcsubst *ptr;
+ lprintf(1,"Subst[%s] : ", Key);
+ ptr = (wcsubst*) vSubst;
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ lprintf(1, " -> %s\n", ptr->wcs_value);
+ break;
+ case WCS_SERVCMD:
+ lprintf(1, " -> Server [%s]\n", ptr->wcs_value);
+ break;
+ case WCS_FUNCTION:
+ lprintf(1, " -> function at [%0xd]\n", ptr->wcs_function);
+ break;
+ default:
+ lprintf(1," WARNING: invalid type: [%ld]!\n", ptr->wcs_type);
+ }
+}
-/*
- * Clear out the list of substitution variables local to this session
- */
-void clear_local_substs(void) {
- struct wcsubst *ptr;
- while (WC->vars != NULL) {
- ptr = WC->vars->next;
- if (WC->vars->wcs_type == WCS_STRING) {
- free(WC->vars->wcs_value);
- }
+/**
+ * \brief Clear out the list of substitution variables local to this session
+ */
+void clear_substs(struct wcsession *wc) {
- free(WC->vars);
- WC->vars = ptr;
+ if (wc->vars != NULL) {
+
+ DeleteHash(&wc->vars);
}
}
+/**
+ * \brief Clear out the list of substitution variables local to this session
+ */
+void clear_local_substs(void) {
+ clear_substs (WC);
+}
+
+/**
+ * \brief destructor; kill one entry.
+ */
+void deletevar(void *data)
+{
+ wcsubst *ptr = (wcsubst*)data;
+// if ((wc->vars->wcs_type == WCS_STRING)
+// || (wc->vars->wcs_type == WCS_SERVCMD)) {
+ if (ptr->wcs_type != WCS_FUNCTION)
+ free(ptr->wcs_value);
+ free(ptr);
+}
-/*
- * Add a substitution variable (local to this session)
+/**
+ * \brief Add a substitution variable (local to this session) (strlen version...)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
*/
-void svprintf(char *keyname, const char *format,...)
+void SVPRINTF(char *keyname, int keytype, const char *format,...)
{
va_list arg_ptr;
- char wbuf[1024];
- struct wcsubst *ptr;
+ char wbuf[SIZ];
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ size_t keylen;
+ struct wcsession *WCC = WC;
+
+ keylen = strlen(keyname);
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ if (ptr->wcs_value != NULL)
+ free(ptr->wcs_value);
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = (wcsubst *) malloc(sizeof(wcsubst));
+ safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+ Put(WCC->vars, keyname, keylen, ptr, deletevar);
+ }
+
+ /** Format the string and save it */
va_start(arg_ptr, format);
- vsprintf(wbuf, format, arg_ptr);
+ vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
va_end(arg_ptr);
- ptr = (struct wcsubst *) malloc(sizeof(struct wcsubst));
- ptr->next = WC->vars;
- ptr->wcs_type = WCS_STRING;
- strcpy(ptr->wcs_key, keyname);
- ptr->wcs_value = malloc(strlen(wbuf)+1);
- strcpy(ptr->wcs_value, wbuf);
- WC->vars = ptr;
+ ptr->wcs_function = NULL;
+ ptr->wcs_type = keytype;
+ ptr->wcs_value = strdup(wbuf);
}
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
+ */
+void svprintf(char *keyname, size_t keylen, int keytype, const char *format,...)
+{
+ va_list arg_ptr;
+ char wbuf[SIZ];
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ struct wcsession *WCC = WC;
+ size_t len;
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ if (ptr->wcs_value != NULL)
+ free(ptr->wcs_value);
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = (wcsubst *) malloc(sizeof(wcsubst));
+ safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+ Put(WCC->vars, keyname, keylen, ptr, deletevar);
+ }
+ /** Format the string and save it */
-/*
- * Print the value of a variable
+ va_start(arg_ptr, format);
+ len = vsnprintf(wbuf, sizeof wbuf, format, arg_ptr);
+ va_end(arg_ptr);
+
+ ptr->wcs_value = (char*) malloc(len + 1);
+ memcpy(ptr->wcs_value, wbuf, len + 1);
+ ptr->wcs_function = NULL;
+ ptr->wcs_type = keytype;
+}
+
+/**
+ * \brief Add a substitution variable (local to this session)
+ * \param keyname the replacementstring to substitute
+ * \param keytype the kind of the key
+ * \param format the format string ala printf
+ * \param ... the arguments to substitute in the formatstring
*/
-void print_value_of(char *keyname) {
- struct wcsubst *ptr;
+void SVPut(char *keyname, size_t keylen, int keytype, char *Data)
+{
+ void *vPtr;
+ wcsubst *ptr = NULL;
+ struct wcsession *WCC = WC;
- for (ptr = WC->vars; ptr != NULL; ptr = ptr->next) {
- if (!strcasecmp(ptr->wcs_key, keyname)) {
- if (ptr->wcs_type == WCS_STRING) {
- wprintf("%s", ptr->wcs_value);
- }
- }
+
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ if (ptr->wcs_value != NULL)
+ free(ptr->wcs_value);
}
+ else /** Otherwise allocate a new one */
+ {
+ ptr = (wcsubst *) malloc(sizeof(wcsubst));
+ safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+ Put(WCC->vars, keyname, keylen, ptr, deletevar);
+ }
+
+ ptr->wcs_function = NULL;
+ ptr->wcs_type = keytype;
+ ptr->wcs_value = strdup(Data);
}
+/**
+ * \brief Add a substitution variable (local to this session) that does a callback
+ * \param keyname the keystring to substitute
+ * \param fcn_ptr the function callback to give the substitution string
+ */
+void SVCallback(char *keyname, size_t keylen, var_callback_fptr fcn_ptr)
+{
+ wcsubst *ptr;
+ void *vPtr;
+ struct wcsession *WCC = WC;
+ /**
+ * First look if we're doing a replacement of
+ * an existing key
+ */
+ /*PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (GetHash(WCC->vars, keyname, keylen, &vPtr)) {
+ ptr = (wcsubst*)vPtr;
+ if (ptr->wcs_value != NULL)
+ free(ptr->wcs_value);
+ }
+ else /** Otherwise allocate a new one */
+ {
+ ptr = (wcsubst *) malloc(sizeof(wcsubst));
+ safestrncpy(ptr->wcs_key, keyname, sizeof ptr->wcs_key);
+ Put(WCC->vars, keyname, keylen, ptr, deletevar);
+ }
-/*
- * Display a variable-substituted template
+ ptr->wcs_value = NULL;
+ ptr->wcs_type = WCS_FUNCTION;
+ ptr->wcs_function = fcn_ptr;
+}
+inline void SVCALLBACK(char *keyname, var_callback_fptr fcn_ptr)
+{
+ SVCallback(keyname, strlen(keyname), fcn_ptr);
+}
+
+
+
+/**
+ * \brief back end for print_value_of() ... does a server command
+ * \param servcmd server command to execute on the citadel server
+ */
+void pvo_do_cmd(char *servcmd) {
+ char buf[SIZ];
+
+ serv_puts(servcmd);
+ serv_getln(buf, sizeof buf);
+
+ switch(buf[0]) {
+ case '2':
+ case '3':
+ case '5':
+ wprintf("%s\n", &buf[4]);
+ break;
+ case '1':
+ fmout("CENTER");
+ break;
+ case '4':
+ wprintf("%s\n", &buf[4]);
+ serv_puts("000");
+ break;
+ }
+}
+
+/**
+ * \brief Print the value of a variable
+ * \param keyname get a key to print
+ */
+void print_value_of(char *keyname, size_t keylen) {
+ struct wcsession *WCC = WC;
+ wcsubst *ptr;
+ void *fcn();
+ void *vVar;
+
+ /*if (WCC->vars != NULL) PrintHash(WCC->vars, VarPrintTransition, VarPrintEntry);*/
+ if (keyname[0] == '=') {
+ do_template(&keyname[1]);
+ }
+ /** Page-local variables */
+ if ((WCC->vars!= NULL) && GetHash(WCC->vars, keyname, keylen, &vVar)) {
+ ptr = (wcsubst*) vVar;
+ switch(ptr->wcs_type) {
+ case WCS_STRING:
+ wprintf("%s", ptr->wcs_value);
+ break;
+ case WCS_SERVCMD:
+ pvo_do_cmd(ptr->wcs_value);
+ break;
+ case WCS_FUNCTION:
+ (*ptr->wcs_function) ();
+ break;
+ default:
+ lprintf(1,"WARNING: invalid value in SV-Hash at %s!", keyname);
+ }
+ }
+ else if (!strcasecmp(keyname, "SERV_PID")) {
+ wprintf("%d", WCC->ctdl_pid);
+ }
+
+ else if (!strcasecmp(keyname, "SERV_NODENAME")) {
+ escputs(serv_info.serv_nodename);
+ }
+
+ else if (!strcasecmp(keyname, "SERV_HUMANNODE")) {
+ escputs(serv_info.serv_humannode);
+ }
+
+ else if (!strcasecmp(keyname, "SERV_FQDN")) {
+ escputs(serv_info.serv_fqdn);
+ }
+
+ else if (!strcasecmp(keyname, "SERV_SOFTWARE")) {
+ escputs(serv_info.serv_software);
+ }
+
+ else if (!strcasecmp(keyname, "SERV_REV_LEVEL")) {
+ wprintf("%d.%02d",
+ serv_info.serv_rev_level / 100,
+ serv_info.serv_rev_level % 100
+ );
+ }
+
+ else if (!strcasecmp(keyname, "SERV_BBS_CITY")) {
+ escputs(serv_info.serv_bbs_city);
+ }
+
+ else if (!strcasecmp(keyname, "CURRENT_USER")) {
+ escputs(WCC->wc_fullname);
+ }
+
+ else if (!strcasecmp(keyname, "CURRENT_ROOM")) {
+ escputs(WCC->wc_roomname);
+ }
+
+}
+
+extern char *static_dirs[PATH_MAX]; /**< Disk representation */
+
+/**
+ * \brief Display a variable-substituted template
+ * \param templatename template file to load
*/
void do_template(void *templatename) {
+ char flat_filename[PATH_MAX];
char filename[PATH_MAX];
FILE *fp;
char inbuf[1024];
char outbuf[sizeof inbuf];
char key[sizeof inbuf];
- int i, j, pos;
- int olen;
+ int i, pos;
+ struct stat mystat;
- strcpy(filename, "static/");
- strcat(filename, templatename);
+ strcpy(flat_filename, templatename);
+ if (WC->is_wap)
+ strcat(flat_filename, ".wml");
+ else
+ strcat(flat_filename, ".html");
+ strcpy(filename, static_dirs[1]);
+ strcat(filename, flat_filename);
+ if (stat(filename, &mystat) == -1)
+ {
+ strcpy(filename, static_dirs[0]);
+ strcat(filename, flat_filename);
+ }
+
fp = fopen(filename, "r");
if (fp == NULL) {
- wprintf("<BLINK>ERROR</BLINK> - could not open template ");
- wprintf("'%s' - %s<BR>\n",
+ wprintf(_("ERROR: could not open template "));
+ wprintf("'%s' - %s<br />\n",
templatename, strerror(errno));
return;
}
strcpy(inbuf, "");
while (fgets(inbuf, sizeof inbuf, fp) != NULL) {
- strcpy(outbuf, "");
- olen = 0;
+ int len;
- for (i=0; i<strlen(inbuf); ++i) {
- if (strncmp(&inbuf[i], "<?", 2)) {
- outbuf[olen] = inbuf[i];
- outbuf[++olen] = 0;
+ strcpy(outbuf, "");
+ len = strlen(inbuf);
+ while (len > 0) {
+ pos = (-1);
+ for (i=len; i>=0; --i) {
+ if ((inbuf[i]=='<')&&(inbuf[i+1]=='?')) pos = i;
+ }
+ if (pos < 0) {
+ wprintf("%s", inbuf);
+ strcpy(inbuf, "");
+ len = 0;
}
else {
- pos = (-1);
- for (j=strlen(inbuf); j>=i; --j) {
- if (inbuf[j]=='>') pos = j;
- }
- if (pos > 0) {
- strncpy(key, &inbuf[i+2], pos-i-2);
- print_value_of(key);
- olen = strlen(outbuf);
- i = pos;
- }
- else {
- i = i + 2;
+ strncpy(outbuf, inbuf, pos);
+ outbuf[pos] = 0;
+ wprintf("%s", outbuf);
+ memmove(inbuf, &inbuf[pos], len - pos +1);
+ len -= pos;
+ pos = 1;
+ for (i=len; i>=0; --i) {
+ if (inbuf[i]=='>') pos = i;
}
+ strncpy(key, &inbuf[2], pos-2);
+ key[pos-2] = 0;
+ print_value_of(key, pos-2);
+ pos++;
+ memmove(inbuf, &inbuf[pos], len - pos + 1);
+ len -= pos;
}
}
- wprintf("%s", outbuf);
}
fclose(fp);
}
+
+
+
+/*@}*/