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remote: conditionalize IP socket usage in libvirtd daemon
Prepare for reusing libvirtd source to create other daemons by making the use of IP sockets conditionally defined by the make rules. The main libvirtd daemon will retain IP listen ability, but all the driver specific daemons will be local UNIX sockets only. Apps needing IP connectivity will connect via the libvirtd daemon which will proxy to the driver specfic daemon. Reviewed-by: Christophe de Dinechin <dinechin@redhat.com> Reviewed-by: Andrea Bolognani <abologna@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé
parent
5d3475c8dc
commit
2204585167
@ -148,6 +148,7 @@ libvirtd_CFLAGS = \
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-I$(srcdir)/rpc \
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-DSOCK_PREFIX="\"libvirt\"" \
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-DDAEMON_NAME="\"libvirtd\"" \
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-DWITH_IP \
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$(NULL)
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libvirtd_LDFLAGS = \
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@ -381,11 +381,13 @@ static int ATTRIBUTE_NONNULL(3)
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daemonSetupNetworking(virNetServerPtr srv,
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virNetServerPtr srvAdm,
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struct daemonConfig *config,
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#ifdef WITH_IP
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bool ipsock,
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bool privileged,
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#endif /* ! WITH_IP */
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const char *sock_path,
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const char *sock_path_ro,
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const char *sock_path_adm,
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bool ipsock,
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bool privileged)
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const char *sock_path_adm)
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{
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gid_t unix_sock_gid = 0;
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int unix_sock_ro_mask = 0;
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@ -397,15 +399,19 @@ daemonSetupNetworking(virNetServerPtr srv,
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{ .name = DAEMON_NAME ".socket", .family = AF_UNIX, .path = sock_path },
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{ .name = DAEMON_NAME "-ro.socket", .family = AF_UNIX, .path = sock_path_ro },
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{ .name = DAEMON_NAME "-admin.socket", .family = AF_UNIX, .path = sock_path_adm },
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#ifdef WITH_IP
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{ .name = DAEMON_NAME "-tcp.socket", .family = AF_INET },
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{ .name = DAEMON_NAME "-tls.socket", .family = AF_INET },
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#endif /* ! WITH_IP */
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};
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#ifdef WITH_IP
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if ((actmap[3].port = virSocketAddrResolveService(config->tcp_port)) < 0)
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return -1;
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if ((actmap[4].port = virSocketAddrResolveService(config->tls_port)) < 0)
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return -1;
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#endif /* ! WITH_IP */
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if (virSystemdGetActivation(actmap, ARRAY_CARDINALITY(actmap), &act) < 0)
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return -1;
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@ -470,6 +476,7 @@ daemonSetupNetworking(virNetServerPtr srv,
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config->admin_max_client_requests) < 0)
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goto cleanup;
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#ifdef WITH_IP
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if (((ipsock && config->listen_tcp) || act) &&
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virNetServerAddServiceTCP(srv,
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act,
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@ -544,6 +551,7 @@ daemonSetupNetworking(virNetServerPtr srv,
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}
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virObjectUnref(ctxt);
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}
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#endif /* ! WITH_IP */
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if (act &&
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virSystemdActivationComplete(act) < 0)
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@ -892,7 +900,9 @@ daemonUsage(const char *argv0, bool privileged)
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{ "-h | --help", N_("Display program help") },
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{ "-v | --verbose", N_("Verbose messages") },
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{ "-d | --daemon", N_("Run as a daemon & write PID file") },
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#ifdef WITH_IP
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{ "-l | --listen", N_("Listen for TCP/IP connections") },
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#endif /* !WITH_IP */
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{ "-t | --timeout <secs>", N_("Exit after timeout period") },
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{ "-f | --config <file>", N_("Configuration file") },
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{ "-V | --version", N_("Display version information") },
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@ -930,6 +940,7 @@ daemonUsage(const char *argv0, bool privileged)
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LOCALSTATEDIR, SOCK_PREFIX);
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fprintf(stderr, "\n");
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#ifdef WITH_IP
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fprintf(stderr, " %s\n", _("TLS:"));
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fprintf(stderr, " %s %s\n",
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_("CA certificate:"),
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@ -941,6 +952,7 @@ daemonUsage(const char *argv0, bool privileged)
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_("Server private key:"),
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privileged ? LIBVIRT_SERVERKEY : "$HOME/.pki/libvirt/serverkey.pem");
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fprintf(stderr, "\n");
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#endif /* ! WITH_IP */
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fprintf(stderr, " %s\n",
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_("PID file (unless overridden by -p):"));
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@ -967,7 +979,9 @@ int main(int argc, char **argv) {
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int timeout = -1; /* -t: Shutdown timeout */
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int verbose = 0;
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int godaemon = 0;
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#ifdef WITH_IP
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int ipsock = 0;
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#endif /* ! WITH_IP */
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struct daemonConfig *config;
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bool privileged = geteuid() == 0 ? true : false;
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bool implicit_conf = false;
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@ -977,7 +991,9 @@ int main(int argc, char **argv) {
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struct option opts[] = {
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{ "verbose", no_argument, &verbose, 'v'},
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{ "daemon", no_argument, &godaemon, 'd'},
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#ifdef WITH_IP
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{ "listen", no_argument, &ipsock, 'l'},
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#endif /* ! WITH_IP */
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{ "config", required_argument, NULL, 'f'},
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{ "timeout", required_argument, NULL, 't'},
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{ "pid-file", required_argument, NULL, 'p'},
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@ -1000,8 +1016,13 @@ int main(int argc, char **argv) {
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int optidx = 0;
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int c;
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char *tmp;
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#ifdef WITH_IP
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const char *optstr = "ldf:p:t:vVh";
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#else /* ! WITH_IP */
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const char *optstr = "df:p:t:vVh";
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#endif /* ! WITH_IP */
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c = getopt_long(argc, argv, "ldf:p:t:vVh", opts, &optidx);
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c = getopt_long(argc, argv, optstr, opts, &optidx);
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if (c == -1)
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break;
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@ -1016,9 +1037,12 @@ int main(int argc, char **argv) {
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case 'd':
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godaemon = 1;
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break;
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#ifdef WITH_IP
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case 'l':
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ipsock = 1;
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break;
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#endif /* ! WITH_IP */
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case 't':
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if (virStrToLong_i(optarg, &tmp, 10, &timeout) != 0
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@ -1332,10 +1356,13 @@ int main(int argc, char **argv) {
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if (daemonSetupNetworking(srv, srvAdm,
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config,
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#ifdef WITH_IP
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ipsock,
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privileged,
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#endif /* !WITH_IP */
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sock_file,
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sock_file_ro,
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sock_file_adm,
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ipsock, privileged) < 0) {
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sock_file_adm) < 0) {
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ret = VIR_DAEMON_ERR_NETWORK;
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goto cleanup;
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}
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@ -107,12 +107,14 @@ daemonConfigNew(bool privileged ATTRIBUTE_UNUSED)
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if (VIR_ALLOC(data) < 0)
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return NULL;
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#ifdef WITH_IP
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data->listen_tls = 1;
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data->listen_tcp = 0;
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if (VIR_STRDUP(data->tls_port, LIBVIRTD_TLS_PORT) < 0 ||
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VIR_STRDUP(data->tcp_port, LIBVIRTD_TCP_PORT) < 0)
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goto error;
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#endif /* !WITH_IP */
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/* Only default to PolicyKit if running as root */
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#if WITH_POLKIT
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@ -133,12 +135,14 @@ daemonConfigNew(bool privileged ATTRIBUTE_UNUSED)
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VIR_STRDUP(data->unix_sock_admin_perms, "0700") < 0)
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goto error;
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#if WITH_SASL
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#ifdef WITH_IP
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# if WITH_SASL
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data->auth_tcp = REMOTE_AUTH_SASL;
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#else
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# else
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data->auth_tcp = REMOTE_AUTH_NONE;
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#endif
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# endif
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data->auth_tls = REMOTE_AUTH_NONE;
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#endif /* ! WITH_IP */
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data->min_workers = 5;
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data->max_workers = 20;
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@ -182,9 +186,12 @@ daemonConfigFree(struct daemonConfig *data)
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if (!data)
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return;
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#ifdef WITH_IP
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VIR_FREE(data->listen_addr);
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VIR_FREE(data->tls_port);
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VIR_FREE(data->tcp_port);
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#endif /* ! WITH_IP */
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tmp = data->access_drivers;
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while (tmp && *tmp) {
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VIR_FREE(*tmp);
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@ -198,6 +205,14 @@ daemonConfigFree(struct daemonConfig *data)
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VIR_FREE(data->unix_sock_group);
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VIR_FREE(data->unix_sock_dir);
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tmp = data->sasl_allowed_username_list;
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while (tmp && *tmp) {
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VIR_FREE(*tmp);
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tmp++;
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}
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VIR_FREE(data->sasl_allowed_username_list);
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#ifdef WITH_IP
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tmp = data->tls_allowed_dn_list;
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while (tmp && *tmp) {
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VIR_FREE(*tmp);
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@ -205,18 +220,13 @@ daemonConfigFree(struct daemonConfig *data)
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}
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VIR_FREE(data->tls_allowed_dn_list);
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tmp = data->sasl_allowed_username_list;
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while (tmp && *tmp) {
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VIR_FREE(*tmp);
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tmp++;
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}
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VIR_FREE(data->sasl_allowed_username_list);
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VIR_FREE(data->tls_priority);
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VIR_FREE(data->key_file);
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VIR_FREE(data->ca_file);
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VIR_FREE(data->cert_file);
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VIR_FREE(data->crl_file);
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#endif /* ! WITH_IP */
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VIR_FREE(data->host_uuid);
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VIR_FREE(data->host_uuid_source);
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@ -231,6 +241,7 @@ daemonConfigLoadOptions(struct daemonConfig *data,
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const char *filename,
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virConfPtr conf)
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{
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#ifdef WITH_IP
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if (virConfGetValueBool(conf, "listen_tcp", &data->listen_tcp) < 0)
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goto error;
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if (virConfGetValueBool(conf, "listen_tls", &data->listen_tls) < 0)
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@ -241,6 +252,7 @@ daemonConfigLoadOptions(struct daemonConfig *data,
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goto error;
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if (virConfGetValueString(conf, "listen_addr", &data->listen_addr) < 0)
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goto error;
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#endif /* !WITH_IP */
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if (remoteConfigGetAuth(conf, filename, "auth_unix_rw", &data->auth_unix_rw) < 0)
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goto error;
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@ -256,10 +268,13 @@ daemonConfigLoadOptions(struct daemonConfig *data,
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#endif
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if (remoteConfigGetAuth(conf, filename, "auth_unix_ro", &data->auth_unix_ro) < 0)
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goto error;
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#ifdef WITH_IP
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if (remoteConfigGetAuth(conf, filename, "auth_tcp", &data->auth_tcp) < 0)
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goto error;
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if (remoteConfigGetAuth(conf, filename, "auth_tls", &data->auth_tls) < 0)
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goto error;
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#endif /* ! WITH_IP */
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if (virConfGetValueStringList(conf, "access_drivers", false,
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&data->access_drivers) < 0)
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@ -277,6 +292,7 @@ daemonConfigLoadOptions(struct daemonConfig *data,
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if (virConfGetValueString(conf, "unix_sock_dir", &data->unix_sock_dir) < 0)
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goto error;
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#ifdef WITH_IP
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if (virConfGetValueBool(conf, "tls_no_sanity_certificate", &data->tls_no_sanity_certificate) < 0)
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goto error;
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if (virConfGetValueBool(conf, "tls_no_verify_certificate", &data->tls_no_verify_certificate) < 0)
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@ -295,14 +311,14 @@ daemonConfigLoadOptions(struct daemonConfig *data,
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&data->tls_allowed_dn_list) < 0)
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goto error;
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if (virConfGetValueString(conf, "tls_priority", &data->tls_priority) < 0)
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goto error;
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#endif /* ! WITH_IP */
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if (virConfGetValueStringList(conf, "sasl_allowed_username_list", false,
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&data->sasl_allowed_username_list) < 0)
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goto error;
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if (virConfGetValueString(conf, "tls_priority", &data->tls_priority) < 0)
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goto error;
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if (virConfGetValueUInt(conf, "min_workers", &data->min_workers) < 0)
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goto error;
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if (virConfGetValueUInt(conf, "max_workers", &data->max_workers) < 0)
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@ -27,11 +27,13 @@ struct daemonConfig {
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char *host_uuid;
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char *host_uuid_source;
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#ifdef WITH_IP
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bool listen_tls;
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bool listen_tcp;
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char *listen_addr;
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char *tls_port;
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char *tcp_port;
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#endif /* ! WITH_IP */
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char *unix_sock_admin_perms;
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char *unix_sock_ro_perms;
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@ -41,21 +43,27 @@ struct daemonConfig {
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int auth_unix_rw;
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int auth_unix_ro;
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#ifdef WITH_IP
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int auth_tcp;
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int auth_tls;
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#endif /* ! WITH_IP */
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char **access_drivers;
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#ifdef WITH_IP
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bool tls_no_verify_certificate;
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bool tls_no_sanity_certificate;
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char **tls_allowed_dn_list;
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char **sasl_allowed_username_list;
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char *tls_priority;
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char *key_file;
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char *cert_file;
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char *ca_file;
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char *crl_file;
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#endif /* ! WITH_IP */
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char **sasl_allowed_username_list;
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unsigned int min_workers;
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unsigned int max_workers;
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