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* ext/socket/socket.c: fix sockaddr_un handling.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr
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commit
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3 changed files with 175 additions and 26 deletions
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@ -1,3 +1,7 @@
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Sun Jun 4 20:40:19 2006 Tanaka Akira <akr@m17n.org>
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* ext/socket/socket.c: fix sockaddr_un handling.
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Fri Jun 2 19:00:40 2006 GOTOU Yuuzou <gotoyuzo@notwork.org>
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* ext/openssl/extconf.rb: use create_header.
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@ -543,7 +543,7 @@ bsock_do_not_reverse_lookup_set(sock, state)
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static VALUE ipaddr _((struct sockaddr*, int));
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#ifdef HAVE_SYS_UN_H
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static VALUE unixaddr _((struct sockaddr_un*));
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static VALUE unixaddr _((struct sockaddr_un*, socklen_t));
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#endif
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enum sock_recv_type {
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@ -620,10 +620,7 @@ s_recvfrom(sock, argc, argv, from)
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#ifdef HAVE_SYS_UN_H
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case RECV_UNIX:
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if (alen) /* connection-oriented socket may not return a from result */
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return rb_assoc_new(str, unixaddr((struct sockaddr_un*)buf));
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else
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return rb_assoc_new(str, Qnil);
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return rb_assoc_new(str, unixaddr((struct sockaddr_un*)buf, alen));
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#endif
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case RECV_SOCKET:
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return rb_assoc_new(str, rb_str_new(buf, alen));
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@ -685,8 +682,7 @@ s_recvfrom_nonblock(int argc, VALUE *argv, VALUE sock, enum sock_recv_type from)
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#ifdef HAVE_SYS_UN_H
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case RECV_UNIX:
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if (alen) /* connection-oriented socket may not return a from result */
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addr = unixaddr((struct sockaddr_un*)buf);
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addr = unixaddr((struct sockaddr_un*)buf, alen);
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break;
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#endif
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@ -1607,8 +1603,11 @@ init_unixsock(sock, path, server)
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MEMZERO(&sockaddr, struct sockaddr_un, 1);
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sockaddr.sun_family = AF_UNIX;
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strncpy(sockaddr.sun_path, RSTRING(path)->ptr, sizeof(sockaddr.sun_path)-1);
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sockaddr.sun_path[sizeof(sockaddr.sun_path)-1] = '\0';
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if (sizeof(sockaddr.sun_path) <= RSTRING(path)->len) {
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rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)",
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(int)sizeof(sockaddr.sun_path)-1);
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}
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strcpy(sockaddr.sun_path, StringValueCStr(path));
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if (server) {
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status = bind(fd, (struct sockaddr*)&sockaddr, sizeof(sockaddr));
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@ -1634,7 +1633,9 @@ init_unixsock(sock, path, server)
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init_sock(sock, fd);
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GetOpenFile(sock, fptr);
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if (server) {
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fptr->path = strdup(RSTRING(path)->ptr);
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}
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return sock;
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}
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@ -1866,6 +1867,15 @@ unix_init(sock, path)
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return init_unixsock(sock, path, 0);
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}
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static char *
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unixpath(struct sockaddr_un *sockaddr, socklen_t len)
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{
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if (sockaddr->sun_path < (char*)sockaddr + len)
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return sockaddr->sun_path;
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else
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return "";
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}
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static VALUE
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unix_path(sock)
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VALUE sock;
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@ -1878,7 +1888,7 @@ unix_path(sock)
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socklen_t len = sizeof(addr);
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if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
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rb_sys_fail(0);
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fptr->path = strdup(addr.sun_path);
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fptr->path = strdup(unixpath(&addr, len));
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}
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return rb_str_new2(fptr->path);
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}
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@ -2177,7 +2187,7 @@ unix_accept_nonblock(sock)
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VALUE sock;
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{
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OpenFile *fptr;
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struct sockaddr_storage from;
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struct sockaddr_un from;
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socklen_t fromlen;
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GetOpenFile(sock, fptr);
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@ -2201,11 +2211,12 @@ unix_sysaccept(sock)
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#ifdef HAVE_SYS_UN_H
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static VALUE
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unixaddr(sockaddr)
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unixaddr(sockaddr, len)
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struct sockaddr_un *sockaddr;
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socklen_t len;
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{
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return rb_assoc_new(rb_str_new2("AF_UNIX"),
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rb_str_new2(sockaddr->sun_path));
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rb_str_new2(unixpath(sockaddr, len)));
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}
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#endif
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@ -2221,9 +2232,7 @@ unix_addr(sock)
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if (getsockname(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
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rb_sys_fail("getsockname(2)");
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if (len == 0)
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addr.sun_path[0] = '\0';
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return unixaddr(&addr);
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return unixaddr(&addr, len);
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}
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static VALUE
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@ -2238,9 +2247,7 @@ unix_peeraddr(sock)
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if (getpeername(fptr->fd, (struct sockaddr*)&addr, &len) < 0)
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rb_sys_fail("getsockname(2)");
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if (len == 0)
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addr.sun_path[0] = '\0';
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return unixaddr(&addr);
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return unixaddr(&addr, len);
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}
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#endif
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@ -3516,11 +3523,17 @@ sock_s_pack_sockaddr_un(self, path)
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VALUE self, path;
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{
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struct sockaddr_un sockaddr;
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char *sun_path;
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VALUE addr;
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MEMZERO(&sockaddr, struct sockaddr_un, 1);
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sockaddr.sun_family = AF_UNIX;
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strncpy(sockaddr.sun_path, StringValuePtr(path), sizeof(sockaddr.sun_path)-1);
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sun_path = StringValueCStr(path);
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if (sizeof(sockaddr.sun_path) <= strlen(sun_path)) {
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rb_raise(rb_eArgError, "too long unix socket path (max: %dbytes)",
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(int)sizeof(sockaddr.sun_path)-1);
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}
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strncpy(sockaddr.sun_path, sun_path, sizeof(sockaddr.sun_path)-1);
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addr = rb_str_new((char*)&sockaddr, sizeof(sockaddr));
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OBJ_INFECT(addr, path);
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@ -3532,15 +3545,21 @@ sock_s_unpack_sockaddr_un(self, addr)
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VALUE self, addr;
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{
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struct sockaddr_un * sockaddr;
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char *sun_path;
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VALUE path;
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sockaddr = (struct sockaddr_un*)StringValuePtr(addr);
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if (RSTRING(addr)->len != sizeof(struct sockaddr_un)) {
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rb_raise(rb_eTypeError, "sockaddr_un size differs - %ld required; %d given",
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if (sizeof(struct sockaddr_un) < RSTRING(addr)->len) {
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rb_raise(rb_eTypeError, "too long sockaddr_un - %ld longer than %d",
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RSTRING(addr)->len, sizeof(struct sockaddr_un));
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}
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/* xxx: should I check against sun_path size? */
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path = rb_str_new2(sockaddr->sun_path);
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sun_path = unixpath(sockaddr, RSTRING(addr)->len);
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if (sizeof(struct sockaddr_un) == RSTRING(addr)->len &&
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sun_path == sockaddr->sun_path &&
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sun_path + strlen(sun_path) == RSTRING(addr)->ptr + RSTRING(addr)->len) {
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rb_raise(rb_eArgError, "sockaddr_un.sun_path not NUL terminated");
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}
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path = rb_str_new2(sun_path);
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OBJ_INFECT(path, addr);
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return path;
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}
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@ -1,9 +1,11 @@
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begin
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require "socket"
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require "test/unit"
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rescue LoadError
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end
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require "test/unit"
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require "tempfile"
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class TestUNIXSocket < Test::Unit::TestCase
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def test_fd_passing
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r1, w = IO.pipe
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@ -27,4 +29,128 @@ class TestUNIXSocket < Test::Unit::TestCase
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r2.close if r2 && !r2.closed?
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end
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end
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def bound_unix_socket(klass)
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tmpfile = Tempfile.new("testrubysock")
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path = tmpfile.path
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tmpfile.close(true)
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yield klass.new(path), path
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ensure
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File.unlink path if path && File.socket?(path)
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end
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def test_addr
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bound_unix_socket(UNIXServer) {|serv, path|
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c = UNIXSocket.new(path)
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s = serv.accept
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assert_equal(["AF_UNIX", path], c.peeraddr)
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assert_equal(["AF_UNIX", ""], c.addr)
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assert_equal(["AF_UNIX", ""], s.peeraddr)
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assert_equal(["AF_UNIX", path], s.addr)
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assert_equal(path, s.path)
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assert_equal("", c.path)
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}
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end
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def test_noname_path
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s1, s2 = UNIXSocket.pair
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assert_equal("", s1.path)
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assert_equal("", s2.path)
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ensure
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s1.close
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s2.close
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end
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def test_noname_addr
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s1, s2 = UNIXSocket.pair
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assert_equal(["AF_UNIX", ""], s1.addr)
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assert_equal(["AF_UNIX", ""], s2.addr)
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ensure
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s1.close
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s2.close
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end
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def test_noname_peeraddr
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s1, s2 = UNIXSocket.pair
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assert_equal(["AF_UNIX", ""], s1.peeraddr)
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assert_equal(["AF_UNIX", ""], s2.peeraddr)
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ensure
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s1.close
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s2.close
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end
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def test_noname_unpack_sockaddr_un
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s1, s2 = UNIXSocket.pair
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assert_equal("", Socket.unpack_sockaddr_un(s1.getsockname))
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assert_equal("", Socket.unpack_sockaddr_un(s2.getsockname))
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assert_equal("", Socket.unpack_sockaddr_un(s1.getpeername))
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assert_equal("", Socket.unpack_sockaddr_un(s2.getpeername))
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ensure
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s1.close
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s2.close
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end
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def test_noname_recvfrom
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s1, s2 = UNIXSocket.pair
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s2.write("a")
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assert_equal(["a", ["AF_UNIX", ""]], s1.recvfrom(10))
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ensure
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s1.close
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s2.close
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end
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def test_noname_recvfrom_nonblock
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s1, s2 = UNIXSocket.pair
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s2.write("a")
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IO.select [s1]
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assert_equal(["a", ["AF_UNIX", ""]], s1.recvfrom_nonblock(10))
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ensure
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s1.close
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s2.close
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end
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def test_too_long_path
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assert_raise(ArgumentError) { Socket.sockaddr_un("a" * 300) }
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assert_raise(ArgumentError) { UNIXServer.new("a" * 300) }
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end
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def test_nul
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assert_raise(ArgumentError) { Socket.sockaddr_un("a\0b") }
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assert_raise(ArgumentError) { UNIXServer.new("a\0b") }
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end
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def test_dgram_pair
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s1, s2 = UNIXSocket.pair(Socket::SOCK_DGRAM)
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assert_raise(Errno::EAGAIN) { s1.recvfrom_nonblock(10) }
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s2.send("", 0)
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s2.send("haha", 0)
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s2.send("", 0)
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s2.send("", 0)
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assert_equal("", s1.recv(10))
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assert_equal("haha", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_raise(Errno::EAGAIN) { s1.recvfrom_nonblock(10) }
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ensure
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s1.close
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s2.close
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end
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def test_seqpacket_pair
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s1, s2 = UNIXSocket.pair(Socket::SOCK_SEQPACKET)
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assert_raise(Errno::EAGAIN) { s1.recvfrom_nonblock(10) }
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s2.send("", 0)
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s2.send("haha", 0)
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s2.send("", 0)
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s2.send("", 0)
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assert_equal("", s1.recv(10))
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assert_equal("haha", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_equal("", s1.recv(10))
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assert_raise(Errno::EAGAIN) { s1.recvfrom_nonblock(10) }
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ensure
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s1.close
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s2.close
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end
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end if defined?(UNIXSocket)
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