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commit 9de18e5e8f4e64a5fc2c788d266479c4e6d5fe94
parent dbcee390c1c9343869f046cc67c2a7ea2fe457d0
Author: ukai <ukai>
Date:   Fri, 27 Dec 2002 16:07:44 +0000

[w3m-dev 03608] news:<newsgroup>
* XMakefile (LSRCS): add news.c
	(LOBJS): add news.o
* file.c (loadSOmething): don't UFclose() for nntp/news
	(readHeader): remove . at beginning of line for news
		img link to file:
	(loadGeneralFile): add SCM_NEWS_GROUP
		don't UFclose() for nntp/news
	(loadHTMLstream): . line check for news
	(loadBuffer): . line check for news
* fm.h (NNTP_server): added
	(NNTP_mode): added
	(MaxNewsMessage): added
* html.h (SCM_NEWS_GROUP): added
* main.c (main): NNTP_server or NNTPSERVER
		NNTP_mode or NNTPMODE
		add SCM_NEWS_GROUP
	(followA): remove news:..@.. check
	(cmd_loadURL): remove news:...@.. check
	(w3m_exit): disconnectNews
* proto.h (openNewsStream): added
	(readNewsgroup): added
	(disconnectNews): added
* rc.c (CMT_NNTP_SERVER): added
	(CMT_NNTP_MODE): added
	(CMT_MAX_NEWS): added
	(params9): add nntpserver, nntpmode, max_news
* url.c (DefaultPort): add 119 for news group
	(parseURL2): news:..@... is SCM_NEWS_GROUP
	(_parsedURL2Str): add news for SCM_NEWS_GROUP
	(openURL): cleanup SCM_NEWS
		add SCM_NEWS_GROUP
* news.c: added
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

Diffstat:

MChangeLog | 36++++++++++++++++++++++++++++++++++++


MXMakefile | 4++--


Mfile.c | 96+++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------


Mfm.h | 5+++++


Mhtml.h | 5+++--


Mmain.c | 14++++++++++++--


Anews.c | 438+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


Mproto.h | 5+++++


Mrc.c | 16++++++++++++++++


Murl.c | 97++++++++++++++++---------------------------------------------------------------


10 files changed, 603 insertions(+), 113 deletions(-)

diff --git a/ChangeLog b/ChangeLog
@@ -1,5 +1,41 @@
 2002-12-28  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
 
+	* [w3m-dev 03608] news:<newsgroup>
+	* XMakefile (LSRCS): add news.c
+		(LOBJS): add news.o
+	* file.c (loadSOmething): don't UFclose() for nntp/news
+		(readHeader): remove . at beginning of line for news
+			img link to file:
+		(loadGeneralFile): add SCM_NEWS_GROUP
+			don't UFclose() for nntp/news
+		(loadHTMLstream): . line check for news
+		(loadBuffer): . line check for news
+	* fm.h (NNTP_server): added
+		(NNTP_mode): added
+		(MaxNewsMessage): added
+	* html.h (SCM_NEWS_GROUP): added
+	* main.c (main): NNTP_server or NNTPSERVER
+			NNTP_mode or NNTPMODE
+			add SCM_NEWS_GROUP
+		(followA): remove news:..@.. check
+		(cmd_loadURL): remove news:...@.. check
+		(w3m_exit): disconnectNews
+	* proto.h (openNewsStream): added
+		(readNewsgroup): added
+		(disconnectNews): added
+	* rc.c (CMT_NNTP_SERVER): added
+		(CMT_NNTP_MODE): added
+		(CMT_MAX_NEWS): added
+		(params9): add nntpserver, nntpmode, max_news
+	* url.c (DefaultPort): add 119 for news group
+		(parseURL2): news:..@... is SCM_NEWS_GROUP
+		(_parsedURL2Str): add news for SCM_NEWS_GROUP
+		(openURL): cleanup SCM_NEWS
+			add SCM_NEWS_GROUP
+	* news.c: added
+	
+2002-12-28  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
 	* [w3m-dev 03607] mymktime: time zone support
 	* etc.c (get_zone): added
 		(mymktime): parse timezone
diff --git a/XMakefile b/XMakefile
@@ -6,9 +6,9 @@ OBJS=main.o file.o buffer.o display.o etc.o search.o linein.o table.o local.o\
 	form.o map.o frame.o rc.o menu.o mailcap.o image.o\
 	func.o cookie.o history.o backend.o $(KEYBIND_OBJ)
 LSRCS=terms.c conv.c url.c ftp.c anchor.c mimehead.c parsetagx.c\
-	tagtable.c istream.c
+	tagtable.c istream.c news.c
 LOBJS=terms.o conv.o url.o ftp.o anchor.o mimehead.o parsetagx.o\
-	tagtable.o istream.o
+	tagtable.o istream.o news.o
 LLOBJS=version.o
 ALIBOBJS=Str.o indep.o regex.o textlist.o parsetag.o myctype.o entity.o hash.o
 ALIB=libindep.a
diff --git a/file.c b/file.c
@@ -222,7 +222,8 @@ loadSomething(URLFile *f,
     buf->real_scheme = f->scheme;
     if (f->scheme == SCM_LOCAL && buf->sourcefile == NULL)
 	buf->sourcefile = path;
-    UFclose(f);
+    if (f->scheme != SCM_NNTP && f->scheme != SCM_NEWS)
+	UFclose(f);
     return buf;
 }
 
@@ -577,6 +578,10 @@ readHeader(URLFile *uf, Buffer *newBuf, int thru, ParsedURL *pu)
 	    newBuf->header_source = tmpf->ptr;
     }
     while ((tmp = StrmyUFgets(uf))->length) {
+#ifdef USE_NNTP
+	if (uf->scheme == SCM_NEWS && tmp->ptr[0] == '.')
+	    Strshrinkfirst(tmp, 1);
+#endif
 #ifdef HTTP_DEBUG
 	{
 	    FILE *ff;
@@ -588,13 +593,7 @@ readHeader(URLFile *uf, Buffer *newBuf, int thru, ParsedURL *pu)
 	if (src)
 	    Strfputs(tmp, src);
 	cleanup_line(tmp, HEADER_MODE);
-	if ((tmp->ptr[0] == '\n' || tmp->ptr[0] == '\r' || tmp->ptr[0] == '\0')
-#ifdef USE_NNTP
-	    ||
-	    (uf->scheme == SCM_NEWS &&
-	     Str_news_endline(tmp) && (iseos(uf->stream) = TRUE))
-#endif				/* USE_NNTP */
-	    ) {
+	if (tmp->ptr[0] == '\n' || tmp->ptr[0] == '\r' || tmp->ptr[0] == '\0') {
 	    if (!lineBuf2)
 		/* there is no header */
 		break;
@@ -651,7 +650,7 @@ readHeader(URLFile *uf, Buffer *newBuf, int thru, ParsedURL *pu)
 		if (tmpf) {
 		    src =
 			Sprintf
-			("<img src=\"%s\" alt=\"X-Face\" width=48 height=48>",
+			("<img src=\"file:%s\" alt=\"X-Face\" width=48 height=48>",
 			 html_quote(tmpf));
 		    init_stream(&f, SCM_LOCAL, newStrStream(src));
 		    loadHTMLstream(&f, newBuf, NULL, TRUE);
@@ -1580,6 +1579,34 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 		}
 	    }
 	    break;
+#ifdef USE_NNTP
+	case SCM_NEWS_GROUP:
+	    {
+		Str group = readNewsgroup(&pu);
+		if (group && group->length > 0) {
+		    FILE *src;
+		    tmp = tmpfname(TMPF_SRC, ".html");
+		    pushText(fileToDelete, tmp->ptr);
+		    src = fopen(tmp->ptr, "w");
+		    if (src) {
+			Strfputs(group, src);
+			fclose(src);
+		    }
+		    b = loadHTMLString(group);
+		    if (b) {
+			b->real_type = "news:group";
+			if (b->currentURL.host == NULL
+			    && b->currentURL.file == NULL)
+			    copyParsedURL(&b->currentURL, &pu);
+			b->real_scheme = pu.scheme;
+			if (src)
+			    b->sourcefile = tmp->ptr;
+		    }
+		    return b;
+		}
+	    }
+	    break;
+#endif
 	case SCM_UNKNOWN:
 #ifdef USE_EXTERNAL_URI_LOADER
 	    tmp = searchURIMethods(&pu);
@@ -1905,7 +1932,7 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 	doFileSave(f, file);
 	if (f.scheme == SCM_FTP)
 	    FTPhalfclose(f.stream);
-	else
+	else if (f.scheme != SCM_NNTP && f.scheme != SCM_NEWS)
 	    UFclose(&f);
 	return NO_BUFFER;
     }
@@ -1965,7 +1992,8 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 		if (b->currentURL.host == NULL && b->currentURL.file == NULL)
 		    copyParsedURL(&b->currentURL, &pu);
 	    }
-	    UFclose(&f);
+	    if (f.scheme != SCM_NNTP && f.scheme != SCM_NEWS)
+		UFclose(&f);
 	    if (fmInitialized)
 		term_raw();
 	    signal(SIGINT, prevtrap);
@@ -1987,7 +2015,7 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 		doFileSave(f, guess_save_name(t_buf, pu.file));
 		if (f.scheme == SCM_FTP)
 		    FTPhalfclose(f.stream);
-		else
+		else if (f.scheme != SCM_NNTP && f.scheme != SCM_NEWS)
 		    UFclose(&f);
 	    }
 	    return NO_BUFFER;
@@ -2005,7 +2033,8 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
     frame_source = flag & RG_FRAME_SRC;
     b = loadSomething(&f, pu.real_file ? pu.real_file : pu.file, proc, t_buf);
     frame_source = 0;
-    UFclose(&f);
+    if (f.scheme != SCM_NNTP && f.scheme != SCM_NEWS)
+        UFclose(&f);
     if (b) {
 	b->real_scheme = f.scheme;
 	b->real_type = real_type;
@@ -6343,6 +6372,7 @@ loadHTMLstream(URLFile *f, Buffer *newBuf, FILE * src, int internal)
     clen_t linelen = 0;
     clen_t trbyte = 0;
     Str lineBuf2 = Strnew();
+    char *p;
     char code;
     struct html_feed_environ htmlenv1;
     struct readbuffer obuf;
@@ -6424,6 +6454,18 @@ loadHTMLstream(URLFile *f, Buffer *newBuf, FILE * src, int internal)
     if (IStype(f->stream) != IST_ENCODED)
 	f->stream = newEncodedStream(f->stream, f->encoding);
     while ((lineBuf2 = StrmyUFgets(f))->length) {
+#ifdef USE_NNTP
+	if (f->scheme == SCM_NEWS && lineBuf2->ptr[0] == '.') {
+	    Strshrinkfirst(lineBuf2, 1);
+	    if (lineBuf2->ptr[0] == '\n' || lineBuf2->ptr[0] == '\r' ||
+	        lineBuf2->ptr[0] == '\0') {
+/*
+		iseos(f->stream) = TRUE;
+*/
+		break;
+	    }
+	}
+#endif				/* USE_NNTP */
 	if (src)
 	    Strfputs(lineBuf2, src);
 	linelen += lineBuf2->length;
@@ -6453,14 +6495,6 @@ loadHTMLstream(URLFile *f, Buffer *newBuf, FILE * src, int internal)
 #endif
 #endif
 	}
-#ifdef USE_NNTP
-	if (f->scheme == SCM_NEWS) {
-	    if (Str_news_endline(lineBuf2)) {
-		iseos(f->stream) = TRUE;
-		break;
-	    }
-	}
-#endif				/* USE_NNTP */
 	HTMLlineproc0(lineBuf2->ptr, &htmlenv1, internal);
     }
     if (obuf.status != R_ST_NORMAL) {
@@ -6725,6 +6759,18 @@ loadBuffer(URLFile *uf, Buffer *volatile newBuf)
     if (IStype(uf->stream) != IST_ENCODED)
 	uf->stream = newEncodedStream(uf->stream, uf->encoding);
     while ((lineBuf2 = StrmyISgets(uf->stream))->length) {
+#ifdef USE_NNTP
+	if (uf->scheme == SCM_NEWS && lineBuf2->ptr[0] == '.') {
+	    Strshrinkfirst(lineBuf2, 1);
+	    if (lineBuf2->ptr[0] == '\n' || lineBuf2->ptr[0] == '\r' ||
+	        lineBuf2->ptr[0] == '\0') {
+/*
+		iseos(uf->stream) = TRUE;
+*/
+		break;
+	    }
+	}
+#endif				/* USE_NNTP */
 	if (src)
 	    Strfputs(lineBuf2, src);
 	linelen += lineBuf2->length;
@@ -6742,14 +6788,6 @@ loadBuffer(URLFile *uf, Buffer *volatile newBuf)
 	    pre_lbuf = lineBuf2->ptr[0];
 	}
 	++nlines;
-#ifdef USE_NNTP
-	if (uf->scheme == SCM_NEWS) {
-	    if (Str_news_endline(lineBuf2)) {
-		iseos(uf->stream) = TRUE;
-		break;
-	    }
-	}
-#endif				/* USE_NNTP */
 	Strchop(lineBuf2);
 	lineBuf2 = checkType(lineBuf2, propBuffer,
 #ifdef USE_ANSI_COLOR
diff --git a/fm.h b/fm.h
@@ -816,6 +816,11 @@ global char NoCache init(FALSE);
 global char use_proxy init(TRUE);
 #define Do_not_use_proxy (!use_proxy)
 global int Do_not_use_ti_te init(FALSE);
+#ifdef USE_NNTP
+global char *NNTP_server init(NULL);
+global char *NNTP_mode init(NULL);
+global int MaxNewsMessage init(50);
+#endif
 
 global char *document_root init(NULL);
 global char *personal_document_root init(NULL);
diff --git a/html.h b/html.h
@@ -362,9 +362,10 @@ struct environment {
 #define SCM_EXEC	6
 #define SCM_NNTP	7
 #define SCM_NEWS	8
-#define SCM_MAILTO      9
+#define SCM_NEWS_GROUP	9
+#define SCM_MAILTO      10
 #ifdef USE_SSL
-#define SCM_HTTPS       10
+#define SCM_HTTPS       11
 #endif				/* USE_SSL */
 
 #endif				/* _HTML_H */
diff --git a/main.c b/main.c
@@ -445,6 +445,12 @@ main(int argc, char **argv, char **envp)
 	((p = getenv("NO_PROXY")) ||
 	 (p = getenv("no_proxy")) || (p = getenv("NO_proxy"))))
 	NO_proxy = p;
+#ifdef USE_NNTP
+    if (!non_null(NNTP_server) && (p = getenv("NNTPSERVER")) != NULL)
+	NNTP_server = p;
+    if (!non_null(NNTP_mode) && (p = getenv("NNTPMODE")) != NULL)
+	NNTP_mode = p;
+#endif
 
     if (!non_null(Editor) && (p = getenv("EDITOR")) != NULL)
 	Editor = p;
@@ -871,6 +877,7 @@ main(int argc, char **argv, char **envp)
 #ifdef USE_NNTP
 	    case SCM_NNTP:
 	    case SCM_NEWS:
+	    case SCM_NEWS_GROUP:
 #endif				/* USE_NNTP */
 	    case SCM_MAILTO:
 		break;
@@ -2869,7 +2876,7 @@ followA(void)
 	pushHashHist(URLHist, a->url);
 	return;
     }
-#ifdef USE_NNTP
+#if 0
     else if (!strncasecmp(a->url, "news:", 5) && strchr(a->url, '@') == NULL) {
 	/* news:newsgroup is not supported */
 	disp_err_message("news:newsgroup_name is not supported", TRUE);
@@ -3824,7 +3831,7 @@ cmd_loadURL(char *url, ParsedURL *current, char *referer)
 	pushHashHist(URLHist, url);
 	return;
     }
-#ifdef USE_NNTP
+#if 0
     if (!strncasecmp(url, "news:", 5) && strchr(url, '@') == NULL) {
 	/* news:newsgroup is not supported */
 	disp_err_message("news:newsgroup_name is not supported", TRUE);
@@ -5450,6 +5457,9 @@ w3m_exit(int i)
 #ifdef USE_SSL
     free_ssl_ctx();
 #endif
+#ifdef USE_NNTP
+    disconnectNews();
+#endif
     exit(i);
 }
 
diff --git a/news.c b/news.c
@@ -0,0 +1,438 @@
+/* $Id$ */
+#include "fm.h"
+#include "myctype.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <signal.h>
+#include <setjmp.h>
+
+#ifdef USE_NNTP
+
+#define NEWS_ENDLINE(p) \
+    ((*(p) == '.' && ((p)[1] == '\n' || (p)[1] == '\r' || (p)[1] == '\0')) || \
+    *(p) == '\n' || *(p) == '\r' || *(p) == '\0')
+
+typedef struct _News {
+    char *host;
+    int port;
+    char *mode;
+    InputStream rf;
+    FILE *wf;
+} News;
+
+static News current_news = { NULL, 0, NULL, NULL, NULL };
+
+static JMP_BUF AbortLoading;
+
+static MySignalHandler
+KeyAbort(SIGNAL_ARG)
+{
+    LONGJMP(AbortLoading, 1);
+    SIGNAL_RETURN;
+}
+
+static Str
+news_command(News *news, char *command, int *status)
+{
+    Str tmp;
+    char c;
+
+    if (!news->host)
+	return NULL;
+    if (command) {
+	fprintf(news->wf, "%s\r\n", command);
+	fflush(news->wf);
+    }
+    if (!status)
+	return NULL;
+    *status = -1;
+    tmp = StrISgets(news->rf);
+    if (tmp->length)
+	sscanf(tmp->ptr, "%d", status);
+    return tmp;
+}
+
+static void
+news_close(News *news)
+{
+    if (!news->host)
+	return;
+    if (news->rf) {
+	ISclose(news->rf);
+	news->rf = NULL;
+    }
+    if (news->wf) {
+	fclose(news->wf);
+	news->wf = NULL;
+    }
+    news->host = NULL;
+}
+
+static int
+news_open(News *news)
+{
+    Str tmp;
+    int sock, status;
+
+    sock = openSocket(news->host, "nntp", news->port);
+    if (sock < 0)
+	goto open_err;
+    news->rf = newInputStream(sock);
+    news->wf = fdopen(dup(sock), "wb");
+    if (!news->rf || !news->wf)
+	goto open_err;
+    news_command(news, NULL, &status);
+    if (status != 200 && status != 201)
+	goto open_err;
+    if (news->mode) {
+	news_command(news, Sprintf("MODE %s", news->mode)->ptr, &status);
+	if (status != 200 && status != 201)
+	    goto open_err;
+    }
+    return TRUE;
+  open_err:
+    news_close(news);
+    return FALSE;
+}
+
+static void
+news_quit(News *news)
+{
+    news_command(news, "QUIT", NULL);
+    news_close(news);
+}
+
+static char *
+name_from_address(char *str, int n)
+{
+    char *s, *p;
+    int i, l, space = TRUE;
+
+    s = allocStr(str, -1);
+    SKIP_BLANKS(s);
+    if (*s == '<' && (p = strchr(s, '>'))) {
+	*p++ = '\0';
+	SKIP_BLANKS(p);
+	if (*p == '\0')			/* <address> */
+	    s++;
+	else				/* <address> name ? */
+	    s = p;
+    }
+    else if ((p = strchr(s, '<')))	/* name <address> */
+	*p = '\0';
+    else if ((p = strchr(s, '(')))	/* address (name) */
+	s = p;
+    if (*s == '"' && (p = strchr(s + 1, '"'))) {	/* "name" */
+	*p = '\0';
+	s++;
+    }
+    else if (*s == '(' && (p = strchr(s + 1, ')'))) {	/* (name) */
+	*p = '\0';
+	s++;
+    }
+    for (p = s, l = 0; *p; p += i) {
+	i = get_mclen(get_mctype(p));
+	if (IS_SPACE(*p)) {
+	    if (space)
+		continue;
+	    space = TRUE;
+	}
+	else
+	    space = FALSE;
+	l += i;
+	if (l > n)
+	    break;
+    }
+    *p = '\0';
+    return s;
+}
+
+static char *
+html_quote_s(char *str)
+{
+    Str tmp = NULL;
+    char *p, *q;
+    int space = TRUE;
+
+    for (p = str; *p; p++) {
+	if (IS_SPACE(*p)) {
+	    if (space)
+		continue;
+	    q = "&nbsp;";
+	    space = TRUE;
+	}
+	else {
+	    q = html_quote_char(*p);
+	    space = FALSE;
+	}
+	if (q) {
+	    if (tmp == NULL)
+		tmp = Strnew_charp_n(str, (int)(p - str));
+	    Strcat_charp(tmp, q);
+	}
+	else {
+	    if (tmp)
+		Strcat_char(tmp, *p);
+	}
+    }
+    if (tmp)
+	return tmp->ptr;
+    return str;
+}
+
+static void
+add_news_message(Str str, int index, char *date, char *name, char *subject,
+		 char *mid)
+{
+    time_t t;
+    struct tm *tm;
+
+    name = name_from_address(name, 16);
+    t = mymktime(date);
+    tm = localtime(&t);
+    Strcat(str,
+	   Sprintf("<tr valign=top><td>%d<td nowrap>(%02d/%02d)<td nowrap>%s<td><a href=\"news:%s\">%s</a>\n",
+		   index, tm->tm_mon + 1, tm->tm_mday, html_quote_s(name),
+		   html_quote(file_quote(mid)), html_quote(subject)));
+}
+
+InputStream
+openNewsStream(ParsedURL *pu)
+{
+    char *host, *mode, *group, *p;
+    Str tmp;
+    int port, status;
+
+    if (pu->file == NULL || *pu->file == '\0')
+	return NULL;
+    if (pu->scheme == SCM_NNTP)
+	host = pu->host;
+    else
+	host = NNTP_server;
+    if (!host || *host == '\0')
+	return NULL;
+    if (pu->scheme != SCM_NNTP && (p = strchr(host, ':'))) {
+	host = allocStr(host, p - host);
+	port = atoi(p + 1);
+    }
+    else
+	port = pu->port;
+    if (NNTP_mode && *NNTP_mode)
+	mode = NNTP_mode;
+    else
+	mode = NULL;
+    if (current_news.host) {
+	if (!strcmp(current_news.host, host) &&
+	    current_news.port == port) {
+	    tmp = Sprintf("MODE %s", mode ? mode : "READER");
+	    tmp = news_command(&current_news, tmp->ptr, &status);
+	    if (status != 200 && status != 201)
+		news_close(&current_news);
+	}
+	else
+	    news_quit(&current_news);
+    }
+    if (!current_news.host) {
+	current_news.host = allocStr(host, -1);
+	current_news.port = port;
+	current_news.mode = mode ? allocStr(mode, -1) : NULL;
+	if (!news_open(&current_news))
+	    return NULL;
+    }
+    if (pu->scheme == SCM_NNTP) {
+	/* first char of pu->file is '/' */
+	group = file_unquote(Strnew_charp(pu->file + 1)->ptr);
+	p = strchr(group, '/');
+	if (p == NULL)
+	    return NULL;
+	*p++ = '\0';
+	news_command(&current_news, Sprintf("GROUP %s", group)->ptr, &status);
+	if (status != 211)
+	    return NULL;
+	news_command(&current_news, Sprintf("ARTICLE %s", p)->ptr, &status);
+	if (status != 220)
+	    return NULL;
+	return current_news.rf;
+    }
+    else if (pu->scheme == SCM_NEWS) {
+	tmp = Sprintf("ARTICLE <%s>", url_unquote(pu->file));
+	news_command(&current_news, tmp->ptr, &status);
+	if (status != 220)
+	    return NULL;
+	return current_news.rf;
+    }
+    return NULL;
+}
+
+Str
+readNewsgroup(ParsedURL *pu)
+{
+    Str page, tmp;
+    URLFile f;
+    Buffer *buf;
+    char *group, *qgroup, *p, *q, *s, *t, *n;
+    int status, flag = 0, i, first, last, start = 0, end = 0;
+#ifdef JP_CHARSET
+    char code = '\0';
+#endif
+    MySignalHandler(*volatile trap) (SIGNAL_ARG) = NULL;
+
+    if (current_news.host == NULL || !pu->file || *pu->file == '\0')
+	return NULL;
+    group = file_unquote(pu->file);
+    qgroup = html_quote(group);
+
+    if (fmInitialized) {
+	message(Sprintf("Reading newsgroup %s...", group)->ptr, 0, 0);
+	refresh();
+    }
+    if (SETJMP(AbortLoading) != 0) {
+	news_close(&current_news);
+	Strcat_charp(page, "</table><p>Transfer Interrupted!\n");
+	goto news_end;
+    }
+    trap = signal(SIGINT, KeyAbort);
+    if (fmInitialized)
+	term_cbreak();
+
+    page = Sprintf("<title>Newsgroup: %s</title>\n<h1>Newsgroup:&nbsp;%s</h1>\n<hr>\n",
+			 qgroup, qgroup);
+
+    qgroup = html_quote(file_quote(group));	/* URL */
+    tmp = news_command(&current_news, Sprintf("GROUP %s", group)->ptr, &status);
+    if (status != 211)
+	goto news_list;
+    if (sscanf(tmp->ptr, "%d %d %d %d", &status, &i, &first, &last) != 4)
+	goto news_list;
+    if (pu->label) {
+	start = atoi(pu->label);
+	if (start > 0) {
+	    if (start < first)
+		start = first;
+	    end = start + MaxNewsMessage;
+	}
+    }
+    if (start <= 0) {
+	start = first;
+	end = last + 1;
+	if (end - start > MaxNewsMessage)
+	    start = end - MaxNewsMessage;
+    }
+    if (start > first) {
+	i = start - MaxNewsMessage;
+	if (i < first)
+	    i = first;
+	Strcat(page, Sprintf("<a href=\"news:%s#%d\">[%d-%d]</a>\n",
+			     qgroup, i, i, start - 1));
+    }
+
+    Strcat_charp(page, "<table>\n");
+    news_command(&current_news, Sprintf("XOVER %d-%d", start, end - 1)->ptr,
+					&status);
+    if (status == 224) {
+	f.scheme = SCM_NEWS;
+	while (1) {
+	    tmp = StrISgets(current_news.rf);
+	    if (NEWS_ENDLINE(tmp->ptr))
+		break;
+	    if (sscanf(tmp->ptr, "%d", &i) != 1)
+		continue;
+	    if (!(s = strchr(tmp->ptr, '\t')))
+		continue;
+	    s++;
+	    if (!(n = strchr(s, '\t')))
+		continue;
+	    *n++ = '\0';
+	    if (!(t = strchr(n, '\t')))
+		continue;
+	    *t++ = '\0';
+	    if (!(p = strchr(t, '\t')))
+		continue;
+	    *p++ = '\0';
+	    if (*p == '<')
+		p++;
+	    if (!(q = strchr(p, '>')) && !(q = strchr(p, '\t')))
+		continue;
+	    *q = '\0';
+	    s = convertLine(&f, decodeMIME(s), &code, HEADER_MODE)->ptr;
+	    n = convertLine(&f, decodeMIME(n), &code, HEADER_MODE)->ptr;
+	    add_news_message(page, i, t, n, s, p);
+	}
+    }
+    else {
+	init_stream(&f, SCM_NEWS, current_news.rf); 
+	buf = newBuffer(INIT_BUFFER_WIDTH);
+	for (i = start; i < end && i <= last; i++) {
+	    news_command(&current_news, Sprintf("HEAD %d", i)->ptr, &status);
+	    if (status != 221)
+		continue;
+	    readHeader(&f, buf, FALSE, NULL);
+	    if (!(p = checkHeader(buf, "Message-ID:")))
+		continue;
+	    if (*p == '<')
+		p++;
+	    if (!(q = strchr(p, '>')) && !(q = strchr(p, '\t')))
+		*q = '\0';
+	    if (!(s = checkHeader(buf, "Subject:")))
+		continue;
+	    if (!(n = checkHeader(buf, "From:")))
+		continue;
+	    if (!(t = checkHeader(buf, "Date:")))
+		continue;
+	    add_news_message(page, i, t, n, s, p);
+	}
+    }
+    Strcat_charp(page, "</table>\n");
+
+    if (end <= last) {
+	i = end + MaxNewsMessage - 1;
+	if (i > last)
+	    i = last;
+	Strcat(page, Sprintf("<a href=\"news:%s#%d\">[%d-%d]</a>\n",
+			     qgroup, end, end, i));
+    }
+    flag = 1;
+
+  news_list:
+    news_command(&current_news, Sprintf("LIST ACTIVE %s.*", group)->ptr,
+		 &status);
+    if (status != 215)
+	goto news_end;
+    while (1) {
+	tmp = StrISgets(current_news.rf);
+	if (NEWS_ENDLINE(tmp->ptr))
+	    break;
+	if (flag < 2) {
+	    if (flag == 1)
+		Strcat_charp(page, "<hr>\n");
+	    Strcat_charp(page, "<table>\n");
+	    flag = 2;
+	}
+	p = tmp->ptr;
+	for (q = p; *q && !IS_SPACE(*q); q++) ;
+	*(q++) = '\0';
+	i = 0;
+	if (sscanf(q, "%d %d", &last, &first) == 2 && last >= first)
+	    i = last - first + 1;
+	Strcat(page,
+	       Sprintf("<tr><td align=right>%d<td><a href=\"news:%s\">%s</a>\n",
+		       i, html_quote(file_quote(p)), html_quote(p)));
+    }
+    if (flag == 2)
+	Strcat_charp(page, "</table>\n");
+
+  news_end:
+    if (fmInitialized)
+	term_raw();
+    signal(SIGINT, trap);
+    return page;
+}
+
+void
+disconnectNews(void)
+{
+    news_quit(&current_news);
+}
+
+#endif		/* USE_NNTP */
diff --git a/proto.h b/proto.h
@@ -509,6 +509,11 @@ extern FILE *openFTP(ParsedURL *pu, URLFile *uf);
 extern Str readFTPDir(ParsedURL *pu);
 extern void closeFTP(FILE * f);
 extern int Ftpfclose(FILE * f);
+#ifdef USE_NNTP
+extern InputStream openNewsStream(ParsedURL *pu);
+extern Str readNewsgroup(ParsedURL *pu);
+extern void disconnectNews(void);
+#endif
 extern AnchorList *putAnchor(AnchorList *al, char *url, char *target,
 			     Anchor **anchor_return, char *referer,
 			     char *title, unsigned char key, int line,
diff --git a/rc.c b/rc.c
@@ -106,6 +106,11 @@ static char *config_file = NULL;
 #define CMT_NO_PROXY     "プロキシから除外するドメイン"
 #define CMT_NOPROXY_NETADDR	"ネットワークアドレスでプロキシ除外のチェック"
 #define CMT_NO_CACHE     "Cache を使わない"
+#ifdef USE_NNTP
+#define CMT_NNTP_SERVER  "News サーバ"
+#define CMT_NNTP_MODE    "News サーバのモード"
+#define CMT_MAX_NEWS     "News を一覧表示する時の数"
+#endif
 #define CMT_DNS_ORDER	"名前解決の順序"
 #define CMT_DROOT        "/ で表されるディレクトリ(document root)"
 #define CMT_PDROOT       "/~user で表されるディレクトリ"
@@ -264,6 +269,11 @@ static char *config_file = NULL;
 #define CMT_NO_PROXY     "Domains to be accessed directly (no proxy)"
 #define CMT_NOPROXY_NETADDR	"Check noproxy by network address"
 #define CMT_NO_CACHE     "Disable cache"
+#ifdef USE_NNTP
+#define CMT_NNTP_SERVER  "News server"
+#define CMT_NNTP_MODE    "Mode of news server"
+#define CMT_MAX_NEWS     "Number of news messages"
+#endif
 #define CMT_DNS_ORDER	"Order of name resolution"
 #define CMT_DROOT        "Directory corresponding to / (document root)"
 #define CMT_PDROOT       "Directory corresponding to /~user"
@@ -783,6 +793,12 @@ struct param_ptr params9[] = {
     {"dns_order", P_INT, PI_SEL_C, (void *)&DNS_order, CMT_DNS_ORDER,
      dnsorders},
 #endif				/* INET6 */
+#ifdef USE_NNTP
+    {"nntpserver", P_STRING, PI_TEXT, (void *)&NNTP_server, CMT_NNTP_SERVER,
+     NULL},
+    {"nntpmode", P_STRING, PI_TEXT, (void *)&NNTP_mode, CMT_NNTP_MODE, NULL},
+    {"max_news", P_INT, PI_TEXT, (void *)&MaxNewsMessage, CMT_MAX_NEWS, NULL},
+#endif
     {NULL, 0, 0, NULL, NULL, NULL},
 };
 
diff --git a/url.c b/url.c
@@ -54,6 +54,7 @@ static int
     0,				/* exec - not defined? */
     119,			/* nntp */
     119,			/* news */
+    119,			/* news group */
     0,				/* mailto - not defined */
 #ifdef USE_SSL
     443,			/* https */
@@ -69,6 +70,7 @@ struct cmdtable schemetable[] = {
     /*  {"exec", SCM_EXEC}, */
     {"nntp", SCM_NNTP},
     {"news", SCM_NEWS},
+    /*  {"news", SCM_NEWS_GROUP}, */
 #ifndef USE_W3MMAILER
     {"mailto", SCM_MAILTO},
 #endif
@@ -969,6 +971,11 @@ parseURL2(char *url, ParsedURL *pu, ParsedURL *current)
     if (pu->scheme == SCM_MAILTO)
 	return;
 #endif
+    if (pu->scheme == SCM_NEWS) {
+	if (pu->file && !strchr(pu->file, '@'))
+	    pu->scheme = SCM_NEWS_GROUP;
+	return;
+    }
     if (pu->scheme == SCM_LOCAL)
 	pu->file = expandName(pu->file);
 
@@ -989,7 +996,7 @@ parseURL2(char *url, ParsedURL *pu, ParsedURL *current)
 		   pu->scheme != SCM_GOPHER &&
 #endif				/* USE_GOPHER */
 #ifdef USE_NNTP
-		   pu->scheme != SCM_NEWS &&
+		   pu->scheme != SCM_NEWS && pu->scheme != SCM_NEWS_GROUP &&
 #endif				/* USE_NNTP */
 		   pu->file[0] != '/'
 #ifdef SUPPORT_DOS_DRIVE_PREFIX
@@ -1070,7 +1077,7 @@ parseURL2(char *url, ParsedURL *pu, ParsedURL *current)
 		    pu->scheme != SCM_GOPHER &&
 #endif				/* USE_GOPHER */
 #ifdef USE_NNTP
-		    pu->scheme != SCM_NEWS &&
+		    pu->scheme != SCM_NEWS && pu->scheme != SCM_NEWS_GROUP &&
 #endif				/* USE_NNTP */
 		    pu->file[0] == '/') {
 	    /*
@@ -1102,7 +1109,7 @@ _parsedURL2Str(ParsedURL *pu, int pass)
     Str tmp;
     static char *scheme_str[] = {
 	"http", "gopher", "ftp", "ftp", "file", "file", "exec", "nntp", "news",
-	"mailto",
+	"news", "mailto",
 #ifdef USE_SSL
 	"https",
 #endif				/* USE_SSL */
@@ -1139,7 +1146,7 @@ _parsedURL2Str(ParsedURL *pu, int pass)
     }
 #endif
 #ifdef USE_NNTP
-    if (pu->scheme != SCM_NEWS)
+    if (pu->scheme != SCM_NEWS && pu->scheme != SCM_NEWS_GROUP)
 #endif				/* USE_NNTP */
     {
 	Strcat_charp(tmp, "//");
@@ -1161,7 +1168,7 @@ _parsedURL2Str(ParsedURL *pu, int pass)
     }
     if (
 #ifdef USE_NNTP
-	   pu->scheme != SCM_NEWS &&
+	   pu->scheme != SCM_NEWS && pu->scheme != SCM_NEWS_GROUP &&
 #endif				/* USE_NNTP */
 	   (pu->file == NULL || (pu->file[0] != '/'
 #ifdef SUPPORT_DOS_DRIVE_PREFIX
@@ -1766,80 +1773,14 @@ openURL(char *url, ParsedURL *pu, ParsedURL *current,
     case SCM_NNTP:
 	/* nntp://<host>:<port>/<newsgroup-name>/<article-number> */
     case SCM_NEWS:
-        /* news:<newsgroup-name> XXX: not yet */
         /* news:<unique>@<full_domain_name> */
-	if (pu->scheme == SCM_NNTP) {
-	    p = pu->host;
-	}
-	else {
-	    p = getenv("NNTPSERVER");
-	}
-	r = getenv("NNTPMODE");
-	if (p == NULL)
-	    return uf;
-	sock = openSocket(p, "nntp", pu->port);
-	if (sock < 0)
-	    return uf;
-	stream = newInputStream(sock);
-	fw = fdopen(sock, "wb");
-	if (stream == NULL || fw == NULL)
-	    return uf;
-	tmp = StrISgets(stream);
-	if (tmp->length == 0)
-	    goto nntp_error;
-	sscanf(tmp->ptr, "%d", &i);
-	if (i != 200 && i != 201)
-	    goto nntp_error;
-	if (r && *r != '\0') {
-	    fprintf(fw, "MODE %s\r\n", r);
-	    fflush(fw);
-	    tmp = StrISgets(stream);
-	    if (tmp->length == 0)
-		goto nntp_error;
-	    sscanf(tmp->ptr, "%d", &i);
-	    if (i != 200 && i != 201)
-		goto nntp_error;
-	}
-	if (pu->scheme == SCM_NNTP) {
-	    char *group;
-	    if (pu->file == NULL || *pu->file == '\0')
-		goto nntp_error;
-	    /* first char of pu->file is '/' */
-	    group = url_unquote(Strnew_charp(pu->file + 1)->ptr);
-	    p = strchr(group, '/');
-	    if (p == NULL)
-		goto nntp_error;
-	    *p++ = '\0';
-	    fprintf(fw, "GROUP %s\r\n", group);
-	    fflush(fw);
-	    tmp = StrISgets(stream);
-	    if (tmp->length == 0) {
-		goto nntp_error;
-	    }
-	    sscanf(tmp->ptr, "%d", &i);
-	    if (i != 211)
-		goto nntp_error;
-	    fprintf(fw, "ARTICLE %s\r\n", p);
-	}
-	else {
-	    if (pu->file == NULL || *pu->file == '\0')
-		goto nntp_error;
-	    /* pu-file contains '@' => news:<message-id> */
-	    fprintf(fw, "ARTICLE <%s>\r\n", url_unquote(pu->file));
-	}
-	fflush(fw);
-	tmp = StrISgets(stream);
-	if (tmp->length == 0)
-	    goto nntp_error;
-	sscanf(tmp->ptr, "%d", &i);
-	if (i != 220)
-	    goto nntp_error;
-	uf.scheme = SCM_NEWS;	/* XXX */
-	uf.stream = stream;
-	return uf;
-      nntp_error:
-	ISclose(stream);
-	fclose(fw);
+    case SCM_NEWS_GROUP:
+        /* news:<newsgroup-name> */
+	uf.stream = openNewsStream(pu);
+	if (uf.stream)
+	    uf.scheme = SCM_NEWS;	/* XXX */
+	else
+	    uf.scheme = pu->scheme;
 	return uf;
 #endif				/* USE_NNTP */
     case SCM_UNKNOWN: