-/* $Id$ */
-
-
+/*
+ * serv_func.c
+ *
+ * Handles various types of data transfer operations with the Citadel service.
+ *
+ * $Id$
+ */
#include <ctype.h>
#include <stdlib.h>
#include <pthread.h>
#include <signal.h>
#include "webcit.h"
-
-
-
-
-
-
+#include "webserver.h"
struct serv_info serv_info;
/*
- * get info about the server we've WC->connected to
+ * get info about the server we've connected to
*/
void get_serv_info(char *browser_host, char *user_agent)
{
- char buf[256];
+ char buf[SIZ];
int a;
+ /* Tell the server what kind of client is connecting */
serv_printf("IDEN %d|%d|%d|%s|%s",
DEVELOPER_ID,
CLIENT_ID,
);
serv_gets(buf);
+ /* Tell the server what kind of richtext we prefer */
+ serv_puts("MSGP text/html|text/plain");
+ serv_gets(buf);
+
+#ifdef WEBCIT_WITH_CALENDAR_SERVICE
+ /* Tell the server that when we save a calendar event, we
+ * want invitations to be generated by the Citadel server
+ * instead of by the client.
+ */
+ serv_puts("ICAL sgi|1");
+ serv_gets(buf);
+#endif
+
+ /* Now ask the server to tell us a little bit about itself... */
serv_puts("INFO");
serv_gets(buf);
if (buf[0] != '1')
switch (a) {
case 0:
serv_info.serv_pid = atoi(buf);
+ WC->ctdl_pid = serv_info.serv_pid;
break;
case 1:
strcpy(serv_info.serv_nodename, buf);
case 9:
strcpy(serv_info.serv_moreprompt, buf);
break;
+ case 14:
+ serv_info.serv_supports_ldap = atoi(buf);
+ break;
}
++a;
}
* If fp is non-null, it is considered to be the file handle to read the
* text from. Otherwise, text is read from the server.
*/
-void fmout(FILE * fp)
+void fmout(FILE *fp, char *align)
{
int intext = 0;
int bq = 0;
- char buf[256];
+ char buf[SIZ];
+ wprintf("<DIV ALIGN=%s>\n", align);
while (1) {
if (fp == NULL)
serv_gets(buf);
if (fp != NULL) {
- if (fgets(buf, 256, fp) == NULL)
+ if (fgets(buf, SIZ, fp) == NULL)
strcpy(buf, "000");
buf[strlen(buf) - 1] = 0;
}
if (!strcmp(buf, "000")) {
if (bq == 1)
wprintf("</I>");
- wprintf("<P>\n");
+ wprintf("</DIV><br />\n");
return;
}
if ((intext == 1) && (isspace(buf[0]))) {
- wprintf("<BR>");
+ wprintf("<br />");
}
intext = 1;
/* Quoted text should be displayed in italics and in a
- * different colour. This code understands both Citadel/UX
- * style " >" quotes and FordBoard-style " :-)" quotes.
+ * different colour. This code understands Citadel-style
+ * " >" quotes and will convert to <BLOCKQUOTE> tags.
*/
- if ((bq == 0) &&
- ((!strncmp(buf, " >", 2)) || (!strncmp(buf, " :-)", 4)))) {
- wprintf("<FONT COLOR=\"000044\"><I>");
+ if ((bq == 0) && (!strncmp(buf, " >", 2))) {
+ wprintf("<BLOCKQUOTE>");
bq = 1;
- } else if ((bq == 1) &&
- (strncmp(buf, " >", 2)) && (strncmp(buf, " :-)", 4))) {
- wprintf("</FONT></I>");
+ } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
+ wprintf("</BLOCKQUOTE>");
bq = 0;
}
+ if ((bq == 1) && (!strncmp(buf, " >", 2))) {
+ strcpy(buf, &buf[2]);
+ }
/* Activate embedded URL's */
url(buf);
-
-
/*
- * transmit message text (in memory) to the server
+ * Transmit message text (in memory) to the server.
+ * If convert_to_html is set to 1, the message is converted into something
+ * which kind of resembles HTML.
*/
-void text_to_server(char *ptr)
+void text_to_server(char *ptr, int convert_to_html)
{
- char buf[256];
+ char buf[SIZ];
+ char conv[4];
int ch, a, pos;
pos = 0;
-
strcpy(buf, "");
+
while (ptr[pos] != 0) {
ch = ptr[pos++];
if (ch == 10) {
- while (isspace(buf[strlen(buf) - 1]))
+ while ( (isspace(buf[strlen(buf) - 1]))
+ && (strlen(buf) > 1) )
buf[strlen(buf) - 1] = 0;
serv_puts(buf);
strcpy(buf, "");
+ if (convert_to_html) {
+ strcat(buf, "<br />");
+ }
+ else {
+ if (ptr[pos] != 0) strcat(buf, " ");
+ }
+ } else if ((convert_to_html)&&(strchr("#&;`'|*?-~<>^()[]{}$\\", ch) != NULL)) {
+ sprintf(conv, "%c", ch);
+ stresc(&buf[strlen(buf)], conv, 0, 0);
} else {
a = strlen(buf);
buf[a + 1] = 0;
}
}
serv_puts(buf);
-}
-
-
+}
*/
void server_to_text()
{
- char buf[256];
+ char buf[SIZ];
int count = 0;
++count;
}
}
+
+
+
+/*
+ * Read binary data from server into memory using a series of
+ * server READ commands.
+ */
+void read_server_binary(char *buffer, size_t total_len) {
+ char buf[SIZ];
+ size_t bytes = 0;
+ size_t thisblock = 0;
+
+ memset(buffer, 0, total_len);
+ while (bytes < total_len) {
+ thisblock = 4095;
+ if ((total_len - bytes) < thisblock) {
+ thisblock = total_len - bytes;
+ if (thisblock == 0) return;
+ }
+ serv_printf("READ %d|%d", (int)bytes, (int)thisblock);
+ serv_gets(buf);
+ if (buf[0] == '6') {
+ thisblock = (size_t)atoi(&buf[4]);
+ if (!WC->connected) return;
+ serv_read(&buffer[bytes], thisblock);
+ bytes += thisblock;
+ }
+ else {
+ lprintf(3, "Error: %s\n", &buf[4]);
+ return;
+ }
+ }
+}
+
+
+/*
+ * Read text from server, appending to a string buffer until the
+ * usual 000 terminator is found. Caller is responsible for freeing
+ * the returned pointer.
+ */
+char *read_server_text(void) {
+ char *text = NULL;
+ size_t bytes_allocated = 0;
+ size_t bytes_read = 0;
+ int linelen;
+ char buf[SIZ];
+
+ text = malloc(SIZ);
+ if (text == NULL) {
+ return(NULL);
+ }
+ strcpy(text, "");
+ bytes_allocated = SIZ;
+
+ while (serv_gets(buf), strcmp(buf, "000")) {
+ linelen = strlen(buf);
+ buf[linelen] = '\n';
+ buf[linelen+1] = 0;
+ ++linelen;
+
+ if ((bytes_read + linelen) >= (bytes_allocated - 2)) {
+ bytes_allocated = 2 * bytes_allocated;
+ text = realloc(text, bytes_allocated);
+ }
+
+ strcpy(&text[bytes_read], buf);
+ bytes_read += linelen;
+ }
+
+ return(text);
+}