-/* $Id$ */
+/*
+ * $Id$
+ *
+ * Handles various types of data transfer operations with the Citadel service.
+ *
+ */
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdio.h>
#include "webcit.h"
-#include "child.h"
+#include "webserver.h"
struct serv_info serv_info;
/*
* get info about the server we've connected to
*/
-void get_serv_info(void) {
- char buf[256];
+void get_serv_info(char *browser_host, char *user_agent)
+{
+ 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,
CLIENT_VERSION,
- SERVER,
- "" /* FIX find out where the user is */
- );
- serv_gets(buf);
+ user_agent,
+ browser_host
+ );
+ serv_getln(buf, sizeof buf);
+
+ /* Tell the server what kind of richtext we prefer */
+ serv_puts("MSGP text/html|text/plain");
+ serv_getln(buf, sizeof 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_getln(buf, sizeof buf);
+#endif
+ /* Now ask the server to tell us a little bit about itself... */
serv_puts("INFO");
- serv_gets(buf);
- if (buf[0]!='1') return;
+ serv_getln(buf, sizeof buf);
+ if (buf[0] != '1')
+ return;
a = 0;
- while(serv_gets(buf), strcmp(buf,"000")) {
- switch(a) {
- case 0: serv_info.serv_pid = atoi(buf);
- break;
- case 1: strcpy(serv_info.serv_nodename,buf);
- break;
- case 2: strcpy(serv_info.serv_humannode,buf);
- break;
- case 3: strcpy(serv_info.serv_fqdn,buf);
- break;
- case 4: strcpy(serv_info.serv_software,buf);
- break;
- case 5: serv_info.serv_rev_level = atoi(buf);
- break;
- case 6: strcpy(serv_info.serv_bbs_city,buf);
- break;
- case 7: strcpy(serv_info.serv_sysadm,buf);
- break;
- case 9: strcpy(serv_info.serv_moreprompt,buf);
- break;
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ switch (a) {
+ case 0:
+ serv_info.serv_pid = atoi(buf);
+ WC->ctdl_pid = serv_info.serv_pid;
+ break;
+ case 1:
+ safestrncpy(serv_info.serv_nodename, buf, sizeof serv_info.serv_nodename);
+ break;
+ case 2:
+ safestrncpy(serv_info.serv_humannode, buf, sizeof serv_info.serv_humannode);
+ break;
+ case 3:
+ safestrncpy(serv_info.serv_fqdn, buf, sizeof serv_info.serv_fqdn);
+ break;
+ case 4:
+ safestrncpy(serv_info.serv_software, buf, sizeof serv_info.serv_software);
+ break;
+ case 5:
+ serv_info.serv_rev_level = atoi(buf);
+ break;
+ case 6:
+ safestrncpy(serv_info.serv_bbs_city, buf, sizeof serv_info.serv_bbs_city);
+ break;
+ case 7:
+ safestrncpy(serv_info.serv_sysadm, buf, sizeof serv_info.serv_sysadm);
+ break;
+ case 9:
+ safestrncpy(serv_info.serv_moreprompt, buf, sizeof serv_info.serv_moreprompt);
+ break;
+ case 14:
+ serv_info.serv_supports_ldap = atoi(buf);
+ break;
}
- ++a;
- }
+ ++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];
-
- while(1) {
- if (fp==NULL) serv_gets(buf);
- if (fp!=NULL) {
- if (fgets(buf,256,fp)==NULL) strcpy(buf,"000");
- buf[strlen(buf)-1] = 0;
- }
- if (!strcmp(buf,"000")) {
- if (bq==1) wprintf("</I>");
- wprintf("<P>\n");
+ char buf[SIZ];
+
+ wprintf("<div align=%s>\n", align);
+ while (1) {
+ if (fp == NULL)
+ serv_getln(buf, sizeof buf);
+ if (fp != NULL) {
+ if (fgets(buf, SIZ, fp) == NULL)
+ safestrncpy(buf, "000", sizeof buf);
+ buf[strlen(buf) - 1] = 0;
+ }
+ if (!strcmp(buf, "000")) {
+ if (bq == 1)
+ wprintf("</I>");
+ wprintf("</div><br />\n");
return;
- }
- if ( (intext==1) && (isspace(buf[0])) ) {
- wprintf("<BR>");
- }
+ }
+ if ((intext == 1) && (isspace(buf[0]))) {
+ 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);
escputs(buf);
wprintf("\n");
- }
}
-
-
+}
/*
- * 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) {
- char buf[256];
- int ch,a,pos;
+void text_to_server(char *ptr, int convert_to_html)
+{
+ char buf[SIZ];
+ char conv[4];
+ int ch, a, pos;
pos = 0;
-
- strcpy(buf,"");
- while (ptr[pos]!=0) {
+ buf[0] = 0;
+
+ while (ptr[pos] != 0) {
ch = ptr[pos++];
- if (ch==10) {
- while (isspace(buf[strlen(buf)-1]))
- buf[strlen(buf)-1]=0;
+ if (ch == 10) {
+ while ( (isspace(buf[strlen(buf) - 1]))
+ && (strlen(buf) > 1) )
+ buf[strlen(buf) - 1] = 0;
serv_puts(buf);
- strcpy(buf,"");
+ buf[0] = 0;
+ if (convert_to_html) {
+ strcat(buf, "<br />");
}
- else {
+ 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;
+ buf[a + 1] = 0;
buf[a] = ch;
- if ((ch==32)&&(strlen(buf)>200)) {
- buf[a]=0;
+ if ((ch == 32) && (strlen(buf) > 200)) {
+ buf[a] = 0;
serv_puts(buf);
- strcpy(buf,"");
- }
- if (strlen(buf)>250) {
+ buf[0] = 0;
+ }
+ if (strlen(buf) > 250) {
serv_puts(buf);
- strcpy(buf,"");
- }
+ buf[0] = 0;
}
}
- serv_puts(buf);
}
+ serv_puts(buf);
-
-
+}
* translate server message output to text
* (used for editing room info files and such)
*/
-void server_to_text() {
- char buf[256];
+void server_to_text()
+{
+ char buf[SIZ];
int count = 0;
- while (serv_gets(buf), strcmp(buf, "000") ) {
- if ( (buf[0] == 32) && (count > 0) ) {
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+ if ((buf[0] == 32) && (count > 0)) {
wprintf("\n");
- }
+ }
wprintf("%s", buf);
++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_getln(buf, sizeof 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);
+ }
+ text[0] = 0;
+ bytes_allocated = SIZ;
+
+ while (serv_getln(buf, sizeof 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);
+}