diff options
Diffstat (limited to 'src/tools/wg-quick/android/dnsresolver.c')
| -rw-r--r-- | src/tools/wg-quick/android/dnsresolver.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/tools/wg-quick/android/dnsresolver.c b/src/tools/wg-quick/android/dnsresolver.c new file mode 100644 index 0000000..f07060d --- /dev/null +++ b/src/tools/wg-quick/android/dnsresolver.c @@ -0,0 +1,272 @@ +#include <stdio.h> +#include <stdlib.h> +#include <uchar.h> +#include <string.h> + +#include "dnsresolver.h" +#include "binder_ndk.h" + +#define DNSRESOLVER_DESCRIPTOR "android.net.IDnsResolver" + +static void *on_create() +{ + fprintf(stderr, "Error: on_create called on proxy object\n"); + exit(ENOTSUP); +} + +static void on_destroy() +{ + fprintf(stderr, "Error: on_destroy called on proxy object\n"); + exit(ENOTSUP); +} + +static binder_status_t on_transact() +{ + fprintf(stderr, "Error: on_transact called on a proxy object\n"); + exit(ENOTSUP); +} + +void *dnsresolver_get_handle(void) +{ + if (!binder_is_available()) { + return NULL; + } + + AIBinder *binder; + AIBinder_Class *clazz; + + binder = AServiceManager_getService("dnsresolver"); + if (!binder) + return NULL; + clazz = AIBinder_Class_define(DNSRESOLVER_DESCRIPTOR, &on_create, &on_destroy, &on_transact); + if (!clazz) + goto error; + + if (!AIBinder_associateClass(binder, clazz)) + goto error; + + return binder; +error: + AIBinder_decStrong(binder); + return NULL; +} + +void dnsresolver_dec_ref(void *handle) +{ + AIBinder *const binder = handle; + AIBinder_decStrong(binder); +} + +int32_t dnsresolver_is_alive(void *handle, bool *aidl_return) +{ + AIBinder *const binder = handle; + binder_status_t status; + _cleanup_parcel_ AParcel *parcel_in = NULL; + _cleanup_parcel_ AParcel *parcel_out = NULL; + _cleanup_status_ AStatus *status_out = NULL; + + status = AIBinder_prepareTransaction(binder, &parcel_in); + if (status != STATUS_OK) + return status; + + status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 0 /* isAlive */, &parcel_in, &parcel_out, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_readStatusHeader(parcel_out, &status_out); + if (status != STATUS_OK) + return status; + + if (!AStatus_isOk(status_out)) + return meaningful_binder_status(status_out); + + return AParcel_readBool(parcel_out, aidl_return); +} + +int32_t dnsresolver_create_network_cache(void *handle, int32_t netid) +{ + AIBinder *const binder = handle; + binder_status_t status; + _cleanup_parcel_ AParcel *parcel_in = NULL; + _cleanup_parcel_ AParcel *parcel_out = NULL; + _cleanup_status_ AStatus *status_out = NULL; + + status = AIBinder_prepareTransaction(binder, &parcel_in); + if (status != STATUS_OK) + return status; + + status = AParcel_writeInt32(parcel_in, netid); + if (status != STATUS_OK) + return status; + + status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 7 /* createNetworkCache */, &parcel_in, &parcel_out, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_readStatusHeader(parcel_out, &status_out); + if (status != STATUS_OK) + return status; + + if (!AStatus_isOk(status_out)) + return meaningful_binder_status(status_out); + + return STATUS_OK; +} + +int32_t dnsresolver_destroy_network_cache(void *handle, int32_t netid) +{ + AIBinder *const binder = handle; + binder_status_t status; + _cleanup_parcel_ AParcel *parcel_in = NULL; + _cleanup_parcel_ AParcel *parcel_out = NULL; + _cleanup_status_ AStatus *status_out = NULL; + + status = AIBinder_prepareTransaction(binder, &parcel_in); + if (status != STATUS_OK) + return status; + + status = AParcel_writeInt32(parcel_in, netid); + if (status != STATUS_OK) + return status; + + status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 8 /* destroyNetworkCache */, &parcel_in, &parcel_out, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_readStatusHeader(parcel_out, &status_out); + if (status != STATUS_OK) + return status; + + if (!AStatus_isOk(status_out)) + return meaningful_binder_status(status_out); + + return STATUS_OK; +} + +int32_t dnsresolver_set_log_severity(void *handle, int32_t log_severity) +{ + AIBinder *const binder = handle; + binder_status_t status; + _cleanup_parcel_ AParcel *parcel_in = NULL; + _cleanup_parcel_ AParcel *parcel_out = NULL; + _cleanup_status_ AStatus *status_out = NULL; + + status = AIBinder_prepareTransaction(binder, &parcel_in); + if (status != STATUS_OK) + return status; + + status = AParcel_writeInt32(parcel_in, log_severity); + if (status != STATUS_OK) + return status; + + status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 9 /* setLogSeverity */, &parcel_in, &parcel_out, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_readStatusHeader(parcel_out, &status_out); + if (status != STATUS_OK) + return status; + + if (!AStatus_isOk(status_out)) + return meaningful_binder_status(status_out); + + return STATUS_OK; +} + +int32_t dnsresolver_set_resolver_configuration(void *handle, const struct resolver_params *params) +{ + AIBinder *const binder = handle; + binder_status_t status; + _cleanup_parcel_ AParcel *parcel_in = NULL; + _cleanup_parcel_ AParcel *parcel_out = NULL; + _cleanup_status_ AStatus *status_out = NULL; + int32_t start_position, end_position; + + status = AIBinder_prepareTransaction(binder, &parcel_in); + if (status != STATUS_OK) + return status; + + status = AParcel_writeInt32(parcel_in, 1); + if (status != STATUS_OK) + return status; + + start_position = AParcel_getDataPosition(parcel_in); + status = AParcel_writeInt32(parcel_in, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_writeInt32(parcel_in, params->netid); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->sample_validity_seconds); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->success_threshold); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->min_samples); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->max_samples); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->base_timeout_msec); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, params->retry_count); + if (status != STATUS_OK) + return status; + status = AParcel_writeStringArray(parcel_in, params->servers, string_array_size(params->servers), &string_array_getter); + if (status != STATUS_OK) + return status; + status = AParcel_writeStringArray(parcel_in, params->domains, string_array_size(params->domains), &string_array_getter); + if (status != STATUS_OK) + return status; + status = AParcel_writeString(parcel_in, params->tls_name, string_size(params->tls_name)); + if (status != STATUS_OK) + return status; + status = AParcel_writeStringArray(parcel_in, params->tls_servers, string_array_size(params->tls_servers), &string_array_getter); + if (status != STATUS_OK) + return status; + status = AParcel_writeStringArray(parcel_in, params->tls_fingerprints, string_array_size(params->tls_fingerprints), &string_array_getter); + if (status != STATUS_OK) + return status; + + end_position = AParcel_getDataPosition(parcel_in); + status = AParcel_setDataPosition(parcel_in, start_position); + if (status != STATUS_OK) + return status; + status = AParcel_writeInt32(parcel_in, end_position - start_position); + if (status != STATUS_OK) + return status; + status = AParcel_setDataPosition(parcel_in, end_position); + if (status != STATUS_OK) + return status; + + status = AIBinder_transact(binder, FIRST_CALL_TRANSACTION + 2 /* setResolverConfiguration */, &parcel_in, &parcel_out, 0); + if (status != STATUS_OK) + return status; + + status = AParcel_readStatusHeader(parcel_out, &status_out); + if (status != STATUS_OK) + return status; + + return meaningful_binder_status(status_out); +} + +void dnsresolver_dump(void *handle, int fd) +{ + AIBinder *const binder = handle; + AIBinder_dump(binder, fd, NULL, 0); +} + +int32_t dnsresolver_ping(void *handle) +{ + AIBinder *const binder = handle; + return AIBinder_ping(binder); +} + +void cleanup_dnsresolver(void **handle) +{ + dnsresolver_dec_ref(*handle); +} |