started with keyserver

4 files changed, 337 insertions, 11 deletions

diff --git a/g10/ChangeLog b/g10/ChangeLog
index f9f0e3c89..b82ceae28 100644
--- a/g10/ChangeLog
+++ b/g10/ChangeLog
@@ -1,3 +1,7 @@
+Thu Apr  2 20:22:35 1998  Werner Koch  (wk@isil.d.shuttle.de)
+
+	* gpgd.c: New
+
 Thu Apr  2 10:38:16 1998  Werner Koch  (wk@isil.d.shuttle.de)
 
 	* keygen.c (generate_keypair): Add valid_days stuff.
diff --git a/g10/Makefile.am b/g10/Makefile.am
index bbdb598a4..438acec19 100644
--- a/g10/Makefile.am
+++ b/g10/Makefile.am
@@ -6,7 +6,7 @@ OMIT_DEPENDENCIES = zlib.h zconf.h
 BUILT_SOURCES = g10maint.c
 needed_libs = ../cipher/libcipher.a ../mpi/libmpi.a ../util/libutil.a
 
-bin_PROGRAMS = gpg gpgm
+bin_PROGRAMS = gpg gpgm gpgd
 
 common_source =  \
 	      build-packet.c	\
@@ -64,6 +64,10 @@ gpgm_SOURCES = g10maint.c   \
 	      dearmor.c     \
 	      $(common_source)
 
+gpgd_SOURCES = gpgd.c \
+	      $(common_source)
+
+
 LDADD = @INTLLIBS@ $(needed_libs) @ZLIBS@
 
 g10maint.c : g10.c
diff --git a/g10/Makefile.in b/g10/Makefile.in
index 9f6ff08eb..60aed6e28 100644
--- a/g10/Makefile.in
+++ b/g10/Makefile.in
@@ -98,7 +98,7 @@ OMIT_DEPENDENCIES = zlib.h zconf.h
 BUILT_SOURCES = g10maint.c
 needed_libs = ../cipher/libcipher.a ../mpi/libmpi.a ../util/libutil.a
 
-bin_PROGRAMS = gpg gpgm
+bin_PROGRAMS = gpg gpgm gpgd
 
 common_source =  \
 	      build-packet.c	\
@@ -155,6 +155,9 @@ gpgm_SOURCES = g10maint.c   \
 	      dearmor.c     \
 	      $(common_source)
 
+gpgd_SOURCES = gpgd.c \
+	      $(common_source)
+
 LDADD = @INTLLIBS@ $(needed_libs) @ZLIBS@
 mkinstalldirs = $(SHELL) $(top_srcdir)/scripts/mkinstalldirs
 CONFIG_HEADER = ../config.h
@@ -188,6 +191,16 @@ gpgm_LDADD = $(LDADD)
 gpgm_DEPENDENCIES =  ../cipher/libcipher.a ../mpi/libmpi.a \
 ../util/libutil.a
 gpgm_LDFLAGS = 
+gpgd_OBJECTS =  gpgd.o build-packet.o compress.o free-packet.o getkey.o \
+pkclist.o skclist.o ringedit.o kbnode.o mainproc.o armor.o mdfilter.o \
+textfilter.o cipher.o elg.o dsa.o rsa.o openfile.o keyid.o trustdb.o \
+parse-packet.o passphrase.o pubkey-enc.o seckey-cert.o seskey.o \
+import.o export.o comment.o status.o sign.o plaintext.o encr-data.o \
+encode.o revoke.o keylist.o sig-check.o signal.o
+gpgd_LDADD = $(LDADD)
+gpgd_DEPENDENCIES =  ../cipher/libcipher.a ../mpi/libmpi.a \
+../util/libutil.a
+gpgd_LDFLAGS = 
 CFLAGS = @CFLAGS@
 COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
 LINK = $(CC) $(CFLAGS) $(LDFLAGS) -o $@
@@ -202,15 +215,16 @@ DEP_FILES =  .deps/armor.P .deps/build-packet.P .deps/cipher.P \
 .deps/comment.P .deps/compress.P .deps/dearmor.P .deps/decrypt.P \
 .deps/dsa.P .deps/elg.P .deps/encode.P .deps/encr-data.P .deps/export.P \
 .deps/free-packet.P .deps/g10.P .deps/g10maint .deps/g10maint.P \
-.deps/getkey.P .deps/import.P .deps/kbnode.P .deps/keygen.P \
-.deps/keyid.P .deps/keylist.P .deps/mainproc.P .deps/mdfilter.P \
-.deps/openfile.P .deps/parse-packet.P .deps/passphrase.P \
-.deps/pkclist.P .deps/plaintext.P .deps/pubkey-enc.P .deps/revoke.P \
-.deps/ringedit.P .deps/rsa.P .deps/seckey-cert.P .deps/seskey.P \
-.deps/sig-check.P .deps/sign.P .deps/signal.P .deps/skclist.P \
-.deps/status.P .deps/textfilter.P .deps/trustdb.P .deps/verify.P
-SOURCES = $(gpg_SOURCES) $(gpgm_SOURCES)
-OBJECTS = $(gpg_OBJECTS) $(gpgm_OBJECTS)
+.deps/getkey.P .deps/gpgd.P .deps/import.P .deps/kbnode.P \
+.deps/keygen.P .deps/keyid.P .deps/keylist.P .deps/mainproc.P \
+.deps/mdfilter.P .deps/openfile.P .deps/parse-packet.P \
+.deps/passphrase.P .deps/pkclist.P .deps/plaintext.P .deps/pubkey-enc.P \
+.deps/revoke.P .deps/ringedit.P .deps/rsa.P .deps/seckey-cert.P \
+.deps/seskey.P .deps/sig-check.P .deps/sign.P .deps/signal.P \
+.deps/skclist.P .deps/status.P .deps/textfilter.P .deps/trustdb.P \
+.deps/verify.P
+SOURCES = $(gpg_SOURCES) $(gpgm_SOURCES) $(gpgd_SOURCES)
+OBJECTS = $(gpg_OBJECTS) $(gpgm_OBJECTS) $(gpgd_OBJECTS)
 
 default: all
 
@@ -273,6 +287,10 @@ gpgm: $(gpgm_OBJECTS) $(gpgm_DEPENDENCIES)
 	@rm -f gpgm
 	$(LINK) $(gpgm_LDFLAGS) $(gpgm_OBJECTS) $(gpgm_LDADD) $(LIBS)
 
+gpgd: $(gpgd_OBJECTS) $(gpgd_DEPENDENCIES)
+	@rm -f gpgd
+	$(LINK) $(gpgd_LDFLAGS) $(gpgd_OBJECTS) $(gpgd_LDADD) $(LIBS)
+
 tags: TAGS
 
 ID: $(HEADERS) $(SOURCES) $(LISP)
diff --git a/g10/gpgd.c b/g10/gpgd.c
new file mode 100644
index 000000000..cb6adada0
--- /dev/null
+++ b/g10/gpgd.c
@@ -0,0 +1,300 @@
+/* ggpd.c - The GNUPG daemon (keyserver)
+ *	Copyright (C) 1998 Free Software Foundation, Inc.
+ *
+ * This file is part of GNUPG.
+ *
+ * GNUPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GNUPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/stat.h>
+
+#include "util.h"
+#include "cipher.h"
+#include "options.h"
+#include "main.h"
+
+
+static ARGPARSE_OPTS opts[] = {
+    { 'v', "verbose",   0, "verbose" },
+    { 501, "options"   ,2, "read options from file"},
+    { 502, "no-daemon", 0, "do not operate as a daemon" },
+    { 510, "debug"     ,4|16, "set debugging flags"},
+    { 511, "debug-all" ,0, "enable full debugging"},
+{0} };
+
+
+
+static char *build_list( const char *text,
+			 const char * (*mapf)(int), int (*chkf)(int) );
+static void become_daemon(void);
+
+const char *
+strusage( int level )
+{
+  static char *digests, *pubkeys, *ciphers;
+    const char *p;
+    switch( level ) {
+      case 11: p = "gpgd (GNUPG)"; break;
+      case 13: p = VERSION; break;
+      case 17: p = PRINTABLE_OS_NAME; break;
+      case 19: p =
+	    "Please report bugs to <gnupg-bugs@isil.d.shuttle.de>.\n";
+	break;
+      case 1:
+      case 40:	p = "Usage: gpgd [options] (-h for help)";
+	break;
+      case 41:	p = "Syntax: gpgd [options] [files]\n"
+		    "GNUPG keyserver\n";
+	break;
+      case 31: p = "\n"; break;
+      case 32:
+	if( !ciphers )
+	    ciphers = build_list("Supported ciphers: ", cipher_algo_to_string,
+							check_cipher_algo );
+	p = ciphers;
+	break;
+      case 33:
+	if( !pubkeys )
+	    pubkeys = build_list("Supported pubkeys: ", pubkey_algo_to_string,
+							check_pubkey_algo );
+	p = pubkeys;
+	break;
+      case 34:
+	if( !digests )
+	    digests = build_list("Supported digests: ", digest_algo_to_string,
+							check_digest_algo );
+	p = digests;
+	break;
+
+      default:	p = default_strusage(level);
+    }
+    return p;
+}
+
+
+static char *
+build_list( const char *text, const char * (*mapf)(int), int (*chkf)(int) )
+{
+    int i;
+    const char *s;
+    size_t n=strlen(text)+2;
+    char *list, *p;
+
+    for(i=1; i < 100; i++ )
+	if( !chkf(i) && (s=mapf(i)) )
+	    n += strlen(s) + 2;
+    list = m_alloc( 21 + n ); *list = 0;
+    for(p=NULL, i=1; i < 100; i++ ) {
+	if( !chkf(i) && (s=mapf(i)) ) {
+	    if( !p )
+		p = stpcpy( list, text );
+	    else
+		p = stpcpy( p, ", ");
+	    p = stpcpy(p, s );
+	}
+    }
+    if( p )
+	p = stpcpy(p, "\n" );
+    return list;
+}
+
+
+static void
+set_debug(void)
+{
+    if( opt.debug & DBG_MEMORY_VALUE )
+	memory_debug_mode = 1;
+    if( opt.debug & DBG_MEMSTAT_VALUE )
+	memory_stat_debug_mode = 1;
+    if( opt.debug & DBG_MPI_VALUE )
+	mpi_debug_mode = 1;
+    if( opt.debug & DBG_CIPHER_VALUE )
+	cipher_debug_mode = 1;
+    if( opt.debug & DBG_IOBUF_VALUE )
+	iobuf_debug_mode = 1;
+}
+
+
+void
+main( int argc, char **argv )
+{
+    ARGPARSE_ARGS pargs;
+    int orig_argc;
+    char **orig_argv;
+    FILE *configfp = NULL;
+    char *configname = NULL;
+    unsigned configlineno;
+    int parse_debug = 0;
+    int default_config =1;
+    int daemon = 1;
+
+    secmem_init( 0 );	   /* disable use of secmem */
+    log_set_name("gpgd");
+    log_set_pid( getpid() );
+    opt.compress = -1; /* defaults to standard compress level */
+    opt.batch = 1;
+
+    /* check wether we have a config file on the commandline */
+    orig_argc = argc;
+    orig_argv = argv;
+    pargs.argc = &argc;
+    pargs.argv = &argv;
+    pargs.flags=  1;  /* do not remove the args */
+    while( arg_parse( &pargs, opts) ) {
+	if( pargs.r_opt == 510 || pargs.r_opt == 511 )
+	    parse_debug++;
+	else if( pargs.r_opt == 501 ) {
+	    /* yes there is one, so we do not try the default one, but
+	     * read the option file when it is encountered at the commandline
+	     */
+	    default_config = 0;
+	}
+    }
+
+    if( default_config )
+	configname = make_filename("/etc/gpgd.conf", NULL );
+
+    argc = orig_argc;
+    argv = orig_argv;
+    pargs.argc = &argc;
+    pargs.argv = &argv;
+    pargs.flags=  1;  /* do not remove the args */
+  next_pass:
+    if( configname ) {
+	configlineno = 0;
+	configfp = fopen( configname, "r" );
+	if( !configfp ) {
+	    if( default_config ) {
+		if( parse_debug )
+		    log_info("note: no default option file '%s'\n",
+							    configname );
+	    }
+	    else {
+		log_error("option file '%s': %s\n",
+				    configname, strerror(errno) );
+		g10_exit(1);
+	    }
+	    m_free(configname); configname = NULL;
+	}
+	if( parse_debug && configname )
+	    log_info("reading options from '%s'\n", configname );
+	default_config = 0;
+    }
+
+    while( optfile_parse( configfp, configname, &configlineno,
+						&pargs, opts) ) {
+	switch( pargs.r_opt ) {
+	  case 'v': opt.verbose++; break;
+	  case 501:
+	    if( !configfp ) {
+		m_free(configname);
+		configname = m_strdup(pargs.r.ret_str);
+		goto next_pass;
+	    }
+	    break;
+	  case 502: daemon = 0; break;
+	  case 510: opt.debug |= pargs.r.ret_ulong; break;
+	  case 511: opt.debug = ~0; break;
+	  default : pargs.err = configfp? 1:2; break;
+	}
+    }
+    if( configfp ) {
+	fclose( configfp );
+	configfp = NULL;
+	m_free(configname); configname = NULL;
+	goto next_pass;
+    }
+    m_free( configname ); configname = NULL;
+    if( log_get_errorcount(0) )
+	g10_exit(2);
+
+    fprintf(stderr, "%s %s; %s\n", strusage(11), strusage(13), strusage(14) );
+    fprintf(stderr, "%s\n", strusage(15) );
+
+    set_debug();
+    if( daemon )
+	become_daemon();
+
+
+
+
+    g10_exit(0);
+}
+
+
+void
+g10_exit( int rc )
+{
+    secmem_term();
+    rc = rc? rc : log_get_errorcount(0)? 2:0;
+    exit(rc );
+}
+
+
+static void
+become_daemon()
+{
+    long nfile;
+    int i, n;
+    int childpid;
+
+    if( opt.verbose )
+	log_info("becoming a daemon ...\n");
+    fflush(NULL);
+
+    /* FIXME: handle the TTY signals */
+
+    if( (childpid = fork()) == -1 )
+	log_fatal("can't fork first child: %s\n", strerror(errno));
+    else if( childpid > 0 )
+	exit(0); /* terminate parent */
+
+    /* Disassociate from controlling terminal etc. */
+    if( setsid() == -1 )
+	log_fatal("setsid() failed: %s\n", strerror(errno) );
+
+    log_set_pid( getpid() );
+    /* close all files but not the log files */
+    if( (nfile=sysconf( _SC_OPEN_MAX )) < 0 )
+      #ifdef _POSIX_OPEN_MAX
+	nfile = _POSIX_OPEN_MAX;
+      #else
+	nfile = 20; /* assume a common value */
+      #endif
+    n = fileno( stderr );
+    for(i=0; i < nfile; i++ )
+	if( i != n )
+	    close(i);
+    errno = 0;
+
+    if( chdir("/") )
+	log_fatal("chdir to root failed: %s\n", strerror(errno) );
+    umask(0);
+
+    /* do not let possible childs become zombies */
+    signal(SIGCHLD, SIG_IGN);
+    if( opt.verbose )
+	log_info("now running as daemon\n");
+}
+
+
+