torture: Add torture_setup_socket_dir().

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

tests/torture.c

@@ -279,6 +279,10 @@ static const char torture_ed25519_testkey_pp[]=
         "Y3GsmYTDstmicanQ==\n"
         "-----END OPENSSH PRIVATE KEY-----\n";
 
+#define TORTURE_SOCKET_DIR "/tmp/test_socket_wrapper_XXXXXX"
+#define TORTURE_SSHD_PIDFILE "sshd.pid"
+#define TORTURE_PCAP_FILE "socket_trace.pcap"
+
 static int verbosity = 0;
 static const char *pattern = NULL;
 
@@ -754,6 +758,44 @@ const char *torture_server_address(int family)
     return NULL;
 }
 
+void torture_setup_socket_dir(void **state)
+{
+    struct torture_state *s;
+    const char *p;
+    size_t len;
+
+    s = malloc(sizeof(struct torture_state));
+    assert_non_null(s);
+
+    s->socket_dir = strdup(TORTURE_SOCKET_DIR);
+    assert_non_null(s->socket_dir);
+
+    p = mkdtemp(s->socket_dir);
+    assert_non_null(p);
+
+    /* pcap file */
+    len = strlen(p) + 1 + strlen(TORTURE_PCAP_FILE) + 1;
+
+    s->pcap_file = malloc(len);
+    assert_non_null(s->pcap_file);
+
+    snprintf(s->pcap_file, len, "%s/%s", p, TORTURE_PCAP_FILE);
+
+    /* pid file */
+    len = strlen(p) + 1 + strlen(TORTURE_SSHD_PIDFILE) + 1;
+
+    s->srv_pidfile = malloc(len);
+    assert_non_null(s->srv_pidfile);
+
+    snprintf(s->srv_pidfile, len, "%s/%s", p, TORTURE_SSHD_PIDFILE);
+
+    setenv("SOCKET_WRAPPER_DIR", p, 1);
+    setenv("SOCKET_WRAPPER_DEFAULT_IFACE", "170", 1);
+    setenv("SOCKET_WRAPPER_PCAP_FILE", s->pcap_file, 1);
+
+    *state = s;
+}
+
 int torture_libssh_verbosity(void){
   return verbosity;
 }

tests/torture.h

@@ -60,6 +60,16 @@ struct torture_sftp {
     char *testdir;
 };
 
+struct torture_state {
+    char *socket_dir;
+    char *pcap_file;
+    char *srv_pidfile;
+};
+
+#ifndef ZERO_STRUCT
+#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
+#endif
+
 void torture_cmdline_parse(int argc, char **argv, struct argument_s *arguments);
 
 int torture_rmdirs(const char *path);
@@ -97,6 +107,8 @@ void _torture_filter_tests(struct CMUnitTest *tests, size_t ntests);
 const char *torture_server_address(int domain);
 int torture_server_port(void);
 
+void torture_setup_socket_dir(void **state);
+
 /*
  * This function must be defined in every unit test file.
  */