tools: Add utility for testing AF_ALG kernel interface

diff --git a/Makefile.am b/Makefile.am
index 102e678..76a75ab 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -145,7 +145,7 @@ noinst_PROGRAMS += tools/wispr tools/wifi-scan tools/supplicant-test \
                        tools/dbus-test tools/polkit-test \
                        tools/iptables-test tools/tap-test tools/wpad-test \
                        tools/stats-tool tools/private-network-test \
-                       unit/test-session
+                       tools/alg-test unit/test-session
 
 tools_wispr_SOURCES = $(gweb_sources) tools/wispr.c
 tools_wispr_LDADD = @GLIB_LIBS@ @GNUTLS_LIBS@ -lresolv
@@ -183,6 +183,8 @@ tools_iptables_test_LDADD = @GLIB_LIBS@ @XTABLES_LIBS@
 
 tools_private_network_test_LDADD = @GLIB_LIBS@ @DBUS_LIBS@
 
+tools_alg_test_LDADD = @GLIB_LIBS@
+
 unit_test_session_SOURCES = $(gdbus_sources) src/log.c src/dbus.c \
                unit/test-session.c unit/utils.c unit/manager-api.c \
                unit/session-api.c

diff --git a/tools/alg-test.c b/tools/alg-test.c
new file mode 100644 (file)
index 0000000..e10e11d
--- /dev/null
+++ b/tools/alg-test.c
@@ -0,0 +1,139 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <linux/if_alg.h>
+
+static void build_hash(int sk, char *map, size_t size, const char *pathname)
+{
+       unsigned char hash[20];
+       ssize_t written, length;
+       int i;
+
+       written = send(sk, map, size, 0);
+       if (written < 0)
+               perror("Failed to write data");
+
+       printf("send %zd bytes\n", written);
+
+       length = recv(sk, hash, sizeof(hash), 0);
+       if (length < 0)
+               perror("Failed to read data");
+
+       printf("recv %zd bytes\n", length);
+
+       for (i = 0; i < length; i++)
+               printf("%02x", hash[i]);
+       printf("  %s\n", pathname);
+}
+
+static int create_hash(int sk, const char *pathname)
+{
+       struct stat st;
+       char *map;
+       int fd;
+
+       fd = open(pathname, O_RDONLY);
+       if (fd < 0)
+               return -1;
+
+       if (fstat(fd, &st) < 0) {
+               close(fd);
+               return -1;
+       }
+
+       map = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
+       if (map == NULL || map == MAP_FAILED) {
+               close(fd);
+               return -1;
+       }
+
+       build_hash(sk, map, st.st_size, pathname);
+
+       munmap(map, st.st_size);
+
+       close(fd);
+
+       return 0;
+}
+
+static int create_socket(void)
+{
+       struct sockaddr_alg salg = {
+               .salg_family = AF_ALG,
+               .salg_type = "hash",
+               .salg_name = "sha1",
+       };
+       int sk, nsk;
+
+       sk = socket(PF_ALG, SOCK_SEQPACKET, 0);
+       if (sk < 0) {
+               perror("Failed to create socket");
+               return -1;
+       }
+
+       if (bind(sk, (struct sockaddr *) &salg, sizeof(salg)) < 0) {
+               perror("Failed to bind socket");
+               close(sk);
+               return -1;
+       }
+
+       nsk = accept(sk, NULL, 0);
+       if (nsk < 0) {
+               perror("Failed to accept socket");
+               close(sk);
+               return -1;
+       }
+
+       close(sk);
+
+       return nsk;
+}
+
+int main(int argc, char *argv[])
+{
+       int sk;
+
+       if (argc < 2) {
+               fprintf(stderr, "Missing argument\n");
+               return 1;
+       }
+
+       sk = create_socket();
+       if (sk < 0)
+               return 1;
+
+       create_hash(sk, argv[1]);
+
+       close(sk);
+
+       return 0;
+}