-/*
- * Functions which handle communication with the Citadel server.
- *
- * Copyright (c) 1996-2018 by the citadel.org team
- *
- * This program is open source software. You can redistribute it and/or
- * modify it under the terms of the GNU General Public License, version 3.
- */
+// Functions which handle communication with the Citadel server.
+//
+// Copyright (c) 1996-2024 by the citadel.org team
+//
+// This program is open source software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License, version 3.
#include "webcit.h"
#include "webserver.h"
-int is_uds = 0;
-char serv_sock_name[PATH_MAX] = "";
-
HashList *EmbeddableMimes = NULL;
StrBuf *EmbeddableMimeStrs = NULL;
-
-void SetInlinMimeRenderers(void)
-{
+void SetInlinMimeRenderers(void) {
StrBuf *Buf;
Buf = NewStrBuf();
- /* Tell the server what kind of richtext we prefer */
+ // Tell the server what kind of richtext we prefer
serv_putbuf(EmbeddableMimeStrs);
StrBuf_ServGetln(Buf);
}
-void DeleteServInfo(ServInfo **FreeMe)
-{
- if (*FreeMe == NULL)
+void DeleteServInfo(ServInfo **FreeMe) {
+ if (*FreeMe == NULL) {
return;
+ }
FreeStrBuf(&(*FreeMe)->serv_nodename);
FreeStrBuf(&(*FreeMe)->serv_humannode);
FreeStrBuf(&(*FreeMe)->serv_fqdn);
*FreeMe = NULL;
}
-/*
- * get info about the server we've connected to
- *
- * browser_host the citadel we want to connect to
- * user_agent which browser uses our client?
- */
-ServInfo *get_serv_info(StrBuf *browser_host, StrBuf *user_agent)
-{
+
+// get info about the server we've connected to
+//
+// browser_host the citadel we want to connect to
+// user_agent which browser uses our client?
+ServInfo *get_serv_info(StrBuf *browser_host, StrBuf *user_agent) {
ServInfo *info;
StrBuf *Buf;
int a;
Buf = NewStrBuf();
- /* Tell the server what kind of client is connecting */
- serv_printf("IDEN %d|%d|%d|%s|%s",
- DEVELOPER_ID,
- CLIENT_ID,
- CLIENT_VERSION,
- ChrPtr(user_agent),
- ChrPtr(browser_host)
- );
+ // Tell the server what kind of client is connecting
+ serv_printf("IDEN 0|0|0|%s|%s", ChrPtr(user_agent), ChrPtr(browser_host));
StrBuf_ServGetln(Buf);
if (GetServerStatus(Buf, NULL) != 2) {
- syslog(LOG_WARNING, "get_serv_info(IDEN): unexpected answer [%s]\n",
- ChrPtr(Buf));
+ syslog(LOG_WARNING, "get_serv_info(IDEN): unexpected answer [%s]\n", ChrPtr(Buf));
FreeStrBuf(&Buf);
return NULL;
}
- /*
- * 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.
- */
+ // 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");
StrBuf_ServGetln(Buf);
if (GetServerStatus(Buf, NULL) != 2) {
- syslog(LOG_WARNING, "get_serv_info(ICAL sgi|1): unexpected answer [%s]\n",
- ChrPtr(Buf));
+ syslog(LOG_WARNING, "get_serv_info(ICAL sgi|1): unexpected answer [%s]\n", ChrPtr(Buf));
FreeStrBuf(&Buf);
return NULL;
}
- /* Now ask the server to tell us a little bit about itself... */
+ // Now ask the server to tell us a little bit about itself...
serv_puts("INFO");
StrBuf_ServGetln(Buf);
if (GetServerStatus(Buf, NULL) != 1) {
return info;
}
-int GetConnected (void)
-{
+int GetConnected (void) {
StrBuf *Buf;
- wcsession *WCC = WC;
-
- if (WCC->ReadBuf == NULL)
- WCC->ReadBuf = NewStrBufPlain(NULL, SIZ * 4);
- if (is_uds) /* unix domain socket */
- WCC->serv_sock = uds_connectsock(serv_sock_name);
- else /* tcp socket */
- WCC->serv_sock = tcp_connectsock(ctdlhost, ctdlport);
+
+ if (WC->ReadBuf == NULL) {
+ WC->ReadBuf = NewStrBufPlain(NULL, SIZ * 4);
+ }
+
+ static char serv_sock_name[PATH_MAX] = "";
+ if (IsEmptyStr(serv_sock_name)) {
+ snprintf(serv_sock_name, sizeof serv_sock_name, "%s/citadel.socket", ctdl_dir);
+ }
+ WC->serv_sock = connect_to_citadel(serv_sock_name);
- if (WCC->serv_sock < 0) {
- WCC->connected = 0;
- FreeStrBuf(&WCC->ReadBuf);
+ if (WC->serv_sock < 0) {
+ WC->connected = 0;
+ FreeStrBuf(&WC->ReadBuf);
return 1;
}
else {
long Status;
int short_status;
Buf = NewStrBuf();
- WCC->connected = 1;
- StrBuf_ServGetln(Buf); /* get the server greeting */
+ WC->connected = 1;
+ StrBuf_ServGetln(Buf); // get the server greeting
short_status = GetServerStatus(Buf, &Status);
FreeStrBuf(&Buf);
- /* Server isn't ready for us? */
+ // Server isn't ready for us?
if (short_status != 2) {
if (Status == 551) {
hprintf("HTTP/1.1 503 Service Unavailable\r\n");
return 1;
}
- /*
- * From what host is our user connecting? Go with
- * the host at the other end of the HTTP socket,
- * unless we are following X-Forwarded-For: headers
- * and such a header has already turned up something.
- */
- if ( (!follow_xff) || (StrLength(WCC->Hdr->HR.browser_host) == 0) ) {
- if (WCC->Hdr->HR.browser_host == NULL) {
- WCC->Hdr->HR.browser_host = NewStrBuf();
- Put(WCC->Hdr->HTTPHeaders, HKEY("FreeMeWithTheOtherHeaders"),
- WCC->Hdr->HR.browser_host, HFreeStrBuf);
+ // From what host is our user connecting? Go with
+ // the host at the other end of the HTTP socket,
+ // unless we are following X-Forwarded-For: headers
+ // and such a header has already turned up something.
+ if ( (!follow_xff) || (StrLength(WC->Hdr->HR.browser_host) == 0) ) {
+ if (WC->Hdr->HR.browser_host == NULL) {
+ WC->Hdr->HR.browser_host = NewStrBuf();
+ Put(WC->Hdr->HTTPHeaders, HKEY("FreeMeWithTheOtherHeaders"),
+ WC->Hdr->HR.browser_host, HFreeStrBuf);
}
- locate_host(WCC->Hdr->HR.browser_host, WCC->Hdr->http_sock);
+ locate_host(WC->Hdr->HR.browser_host, WC->Hdr->http_sock);
}
- if (WCC->serv_info == NULL) {
- WCC->serv_info = get_serv_info(WCC->Hdr->HR.browser_host, WCC->Hdr->HR.user_agent);
+ if (WC->serv_info == NULL) {
+ WC->serv_info = get_serv_info(WC->Hdr->HR.browser_host, WC->Hdr->HR.user_agent);
}
- if (WCC->serv_info == NULL){
+ if (WC->serv_info == NULL){
begin_burst();
wc_printf(_("Received unexpected answer from Citadel server; bailing out."));
hprintf("HTTP/1.1 502 Bad Gateway\r\n");
end_webcit_session();
return 1;
}
- if (WCC->serv_info->serv_rev_level < MINIMUM_CIT_VERSION) {
+ if (WC->serv_info->serv_rev_level < MINIMUM_CIT_VERSION) {
begin_burst();
wc_printf(_("You are connected to a Citadel "
"server running Citadel %d.%02d. \n"
"In order to run this version of WebCit "
"you must also have Citadel %d.%02d or"
" newer.\n\n\n"),
- WCC->serv_info->serv_rev_level / 100,
- WCC->serv_info->serv_rev_level % 100,
- MINIMUM_CIT_VERSION / 100,
- MINIMUM_CIT_VERSION % 100
+ WC->serv_info->serv_rev_level,
+ 0,
+ MINIMUM_CIT_VERSION,
+ 0
);
hprintf("HTTP/1.1 200 OK\r\n");
hprintf("Content-type: text/plain; charset=utf-8\r\n");
}
-void FmOut(StrBuf *Target, const char *align, const StrBuf *Source)
-{
+void FmOut(StrBuf *Target, const char *align, const StrBuf *Source) {
const char *ptr, *pte;
const char *BufPtr = NULL;
StrBuf *Line = NewStrBufPlain(NULL, SIZ);
StrBufAppendBufPlain(Target, HKEY("<br>"), 0);
}
intext = 1;
- if (isspace(*ptr)) while ((ptr < pte) &&
- ((*ptr == '>') ||
- isspace(*ptr)))
- {
- if (*ptr == '>')
- bq++;
- ptr ++;
- i++;
- }
-
- /*
- * 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 (isspace(*ptr)) {
+ while ((ptr < pte) && ((*ptr == '>') || isspace(*ptr))) {
+ if (*ptr == '>') {
+ bq++;
+ }
+ ptr ++;
+ i++;
+ }
+ }
+
+ // 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 (i > 0) StrBufCutLeft(Line, i);
if (StrLength(Line) == 0)
continue;
- /* Activate embedded URL's */
+ // Activate embedded URL's
UrlizeText(Line1, Line, Line2);
StrEscAppend(Target, Line1, NULL, 0, 0);
}
-
-/*
- * Transmit message text (in memory) to the server.
- */
-void text_to_server(char *ptr)
-{
+// Transmit message text (in memory) to the server.
+void text_to_server(char *ptr) {
char buf[256];
int ch, a, pos, len;
while (ptr[pos] != 0) {
ch = ptr[pos++];
- if (ch == 10) {
+ if (ch == 13) {
+ // ignore CR characters
+ }
+ else if (ch == 10) {
len = strlen(buf);
while ( (isspace(buf[len - 1]))
&& (buf[0] != '\0')
}
-/*
- * Transmit message text (in memory) to the server, converting to Quoted-Printable encoding as we go.
- */
-void text_to_server_qp(const StrBuf *SendMeEncoded)
-{
+// Transmit message text (in memory) to the server, converting to Quoted-Printable encoding as we go.
+void text_to_server_qp(const StrBuf *SendMeEncoded) {
StrBuf *ServBuf;
- ServBuf = StrBufRFC2047encodeMessage(SendMeEncoded);
+ ServBuf = StrBufQuotedPrintableEncode(SendMeEncoded);
serv_putbuf(ServBuf);
FreeStrBuf(&ServBuf);
}
-
-
-/*
- * translate server message output to text (used for editing room info files and such)
- */
-void server_to_text()
-{
+// translate server message output to text (used for editing room info files and such)
+void server_to_text() {
char buf[SIZ];
int count = 0;
}
-
-
-/*
- * Read text from server, appending to a string buffer until the
- * usual 000 terminator is found. Caller is responsible for freeing
- * the returned pointer.
- */
-int read_server_text(StrBuf *Buf, long *nLines)
-{
- wcsession *WCC = WC;
+// Read text from server, appending to a string buffer until the
+// usual 000 terminator is found. Caller is responsible for freeing
+// the returned pointer.
+int read_server_text(StrBuf *Buf, long *nLines) {
StrBuf *ReadBuf;
long nRead;
long nTotal = 0;
nlines = 0;
ReadBuf = NewStrBuf();
- while ((WCC->serv_sock!=-1) &&
+ while ((WC->serv_sock!=-1) &&
(nRead = StrBuf_ServGetln(ReadBuf), (nRead >= 0) &&
((nRead != 3)||(strcmp(ChrPtr(ReadBuf), "000") != 0))))
{
}
-int GetServerStatusMsg(StrBuf *Line, long* FullState, int PutImportantMessage, int MajorOK)
-{
+int GetServerStatusMsg(StrBuf *Line, long* FullState, int PutImportantMessage, int MajorOK) {
int rc;
if (FullState != NULL)
*FullState = StrTol(Line);
}
-void tmplput_serv_ip(StrBuf *Target, WCTemplputParams *TP)
-{
+void tmplput_serv_ip(StrBuf *Target, WCTemplputParams *TP) {
StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
}
-void tmplput_serv_admin(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_admin(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
- StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_sysadm, 0);
+ StrBufAppendTemplate(Target, TP, WC->serv_info->serv_sysadm, 0);
}
-void tmplput_serv_nodename(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_nodename(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
- StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_nodename, 0);
+ StrBufAppendTemplate(Target, TP, WC->serv_info->serv_nodename, 0);
}
-void tmplput_serv_humannode(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_humannode(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
- StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_humannode, 0);
+ StrBufAppendTemplate(Target, TP, WC->serv_info->serv_humannode, 0);
}
-void tmplput_serv_fqdn(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_fqdn(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
- StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_fqdn, 0);
+ StrBufAppendTemplate(Target, TP, WC->serv_info->serv_fqdn, 0);
}
-void tmplput_serv_software(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_software(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
- StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_software, 0);
+ StrBufAppendTemplate(Target, TP, WC->serv_info->serv_software, 0);
}
-void tmplput_serv_rev_level(StrBuf *Target, WCTemplputParams *TP)
-{
+void tmplput_serv_rev_level(StrBuf *Target, WCTemplputParams *TP) {
if (WC->serv_info == NULL) return;
StrBufAppendPrintf(Target, "%d", WC->serv_info->serv_rev_level);
}
-int conditional_serv_newuser_disabled(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+int conditional_serv_newuser_disabled(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return 0;
- return WCC->serv_info->serv_newuser_disabled != 0;
+ return WC->serv_info->serv_newuser_disabled != 0;
}
-int conditional_serv_supports_guest(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+int conditional_serv_supports_guest(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return 0;
- return WCC->serv_info->serv_supports_guest != 0;
+ return WC->serv_info->serv_supports_guest != 0;
}
-int conditional_serv_supports_openid(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+int conditional_serv_supports_openid(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return 0;
- return WCC->serv_info->serv_supports_openid != 0;
+ return WC->serv_info->serv_supports_openid != 0;
}
-int conditional_serv_fulltext_enabled(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+int conditional_serv_fulltext_enabled(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return 0;
- return WCC->serv_info->serv_fulltext_enabled != 0;
+ return WC->serv_info->serv_fulltext_enabled != 0;
}
-int conditional_serv_ldap_enabled(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+int conditional_serv_ldap_enabled(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return 0;
- return WCC->serv_info->serv_supports_ldap != 0;
+ return WC->serv_info->serv_supports_ldap != 0;
}
-void tmplput_serv_bbs_city(StrBuf *Target, WCTemplputParams *TP)
-{
- wcsession *WCC = WC;
- if (WCC->serv_info == NULL)
+void tmplput_serv_bbs_city(StrBuf *Target, WCTemplputParams *TP) {
+ if (WC->serv_info == NULL)
return;
StrBufAppendTemplate(Target, TP, WC->serv_info->serv_bbs_city, 0);
}
-void tmplput_mesg(StrBuf *Target, WCTemplputParams *TP)
-{
+void tmplput_mesg(StrBuf *Target, WCTemplputParams *TP) {
int n = 0;
int Done = 0;
StrBuf *Line;
}
void tmplput_site_prefix(StrBuf *Target, WCTemplputParams *TP) {
- wcsession *WCC = WC;
- if ((WCC != NULL) && (WCC->Hdr->HostHeader != NULL)) {
- StrBufAppendTemplate(Target, TP, WCC->Hdr->HostHeader, 0);
+ if ((WC != NULL) && (WC->Hdr->HostHeader != NULL)) {
+ StrBufAppendTemplate(Target, TP, WC->Hdr->HostHeader, 0);
}
}
-void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority)
-{
+void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority) {
StrBuf *MT;
MT = NewStrBufPlain(MimeType, MTLen);
Put(EmbeddableMimes, IKEY(Priority), MT, HFreeStrBuf);
}
-void CreateMimeStr(void)
-{
+void CreateMimeStr(void) {
HashPos *it;
void *vMime;
long len = 0;
InitModule_SERVFUNC
(void)
{
- is_uds = strcasecmp(ctdlhost, "uds") == 0;
- if (is_uds)
- snprintf(serv_sock_name, PATH_MAX, "%s/citadel.socket", ctdlport);
-
RegisterConditional("COND:SERV:OPENID", 2, conditional_serv_supports_openid, CTX_NONE);
RegisterConditional("COND:SERV:NEWU", 2, conditional_serv_newuser_disabled, CTX_NONE);
RegisterConditional("COND:SERV:FULLTEXT_ENABLED", 2, conditional_serv_fulltext_enabled, CTX_NONE);