-/* $Id$ */
+/*
+ * $Id$
+ */
+/**
+ * \defgroup ServFuncs Handles various types of data transfer operations with the Citadel service.
+ * \ingroup CitadelCommunitacion
+ */
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdio.h>
+/*@{*/
#include "webcit.h"
-#include "child.h"
+#include "webserver.h"
-struct serv_info serv_info;
+struct serv_info serv_info; /**< our connection data to the server */
-/*
- * get info about the server we've connected to
+/**
+ * \brief get info about the server we've connected to
+ * \param browser_host the citadell we want to connect to
+ * \param user_agent which browser uses our client?
*/
-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;
- }
- ++a;
- }
+ 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;
+ case 15:
+ serv_info.serv_newuser_disabled = atoi(buf);
+ break;
+ }
+ ++a;
}
+}
-/*
- * Function to spit out Citadel variformat text in HTML
- * 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.
+/**
+ * \brief Read Citadel variformat text and spit it out as HTML.
+ * \param align html align string
*/
-void fmout(FILE *fp)
+void fmout(char *align)
{
-
int intext = 0;
int bq = 0;
- char buf[256];
+ char buf[SIZ];
- 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");
- return;
- }
- if ( (intext==1) && (isspace(buf[0])) ) {
- wprintf("<BR>");
- }
+ wprintf("<div align=%s>\n", align);
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+
+ 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.
+ /**
+ * Quoted text should be displayed in italics and in a
+ * 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;
- }
-
- /* Activate embedded URL's */
+ }
+ if ((bq == 1) && (!strncmp(buf, " >", 2))) {
+ strcpy(buf, &buf[2]);
+ }
+ /** Activate embedded URL's */
url(buf);
escputs(buf);
wprintf("\n");
+ }
+ if (bq == 1) {
+ wprintf("</I>");
+ }
+ wprintf("</div><br />\n");
+}
+
+
+
+
+/**
+ * \brief Read Citadel variformat text and spit it out as HTML in a form
+ * suitable for embedding in another message (forward/quote).
+ * (NO LINEBREAKS ALLOWED HERE!)
+ */
+void pullquote_fmout(void) {
+ int intext = 0;
+ int bq = 0;
+ char buf[SIZ];
+
+ while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+
+ 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 Citadel-style
+ * " >" quotes and will convert to <BLOCKQUOTE> tags.
+ */
+ if ((bq == 0) && (!strncmp(buf, " >", 2))) {
+ wprintf("<BLOCKQUOTE>");
+ bq = 1;
+ } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
+ wprintf("</BLOCKQUOTE>");
+ bq = 0;
+ }
+ if ((bq == 1) && (!strncmp(buf, " >", 2))) {
+ strcpy(buf, &buf[2]);
+ }
+
+ msgescputs(buf);
+ }
+ if (bq == 1) {
+ wprintf("</I>");
+ }
+}
+
+
+
+
+/**
+ * \brief Transmit message text (in memory) to the server.
+ *
+ * \param ptr Pointer to the message being transmitted
+ */
+void text_to_server(char *ptr)
+{
+ char buf[256];
+ int ch, a, pos;
+
+ pos = 0;
+ buf[0] = 0;
+
+ while (ptr[pos] != 0) {
+ ch = ptr[pos++];
+ if (ch == 10) {
+ while ( (isspace(buf[strlen(buf) - 1]))
+ && (strlen(buf) > 1) )
+ buf[strlen(buf) - 1] = 0;
+ serv_puts(buf);
+ buf[0] = 0;
+ if (ptr[pos] != 0) strcat(buf, " ");
+ } else {
+ a = strlen(buf);
+ buf[a + 1] = 0;
+ buf[a] = ch;
+ if ((ch == 32) && (strlen(buf) > 200)) {
+ buf[a] = 0;
+ serv_puts(buf);
+ buf[0] = 0;
+ }
+ if (strlen(buf) > 250) {
+ serv_puts(buf);
+ buf[0] = 0;
+ }
}
}
+ serv_puts(buf);
+}
+
+
+/**
+ * \brief Transmit message text (in memory) to the server,
+ * converting to Quoted-Printable encoding as we go.
+ *
+ * \param ptr Pointer to the message being transmitted
+ */
+void text_to_server_qp(char *ptr)
+{
+ char buf[256];
+ int ch, pos;
+ int output_len = 0;
+
+ pos = 0;
+ buf[0] = 0;
+ output_len = 0;
+
+ while (ptr[pos] != 0) {
+ ch = ptr[pos++];
+
+ if (ch == 13) {
+ /* ignore carriage returns */
+ }
+ else if (ch == 10) {
+ /* hard line break */
+ if (output_len > 0) {
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ }
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+ else if (ch == 9) {
+ buf[output_len++] = ch;
+ }
+ else if ( (ch >= 32) && (ch <= 60) ) {
+ buf[output_len++] = ch;
+ }
+ else if ( (ch >= 62) && (ch <= 126) ) {
+ buf[output_len++] = ch;
+ }
+ else {
+ sprintf(&buf[output_len], "=%02X", ch);
+ output_len += 3;
+ }
+
+ if (output_len > 72) {
+ /* soft line break */
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ buf[output_len++] = '=';
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+ }
+
+ /* end of data - transmit anything that's left */
+ if (output_len > 0) {
+ if (isspace(buf[output_len-1])) {
+ sprintf(&buf[output_len-1], "=%02X", buf[output_len-1]);
+ output_len += 2;
+ }
+ buf[output_len++] = 0;
+ serv_puts(buf);
+ output_len = 0;
+ }
+}
+
+
+
+
+/**
+ * \brief translate server message output to text
+ * (used for editing room info files and such)
+ */
+void server_to_text()
+{
+ char buf[SIZ];
+
+ int 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.
+ * \param buffer the output buffer
+ * \param total_len the maximal length of buffer
+ */
+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;
+ }
+ }
+}
+
+
+/**
+ * \brief 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);
+}
+
+
+/*@}*/
projects / citadel.git / blobdiff