2 files changed, 80 insertions, 15 deletions

diff --git a/src/irecovery.c b/src/irecovery.c
index fcc745c..baae17e 100644
--- a/src/irecovery.c
+++ b/src/irecovery.c
@@ -139,24 +139,33 @@ int precommand_cb(irecv_client_t client, const irecv_event_t* event) {
 }
 
 int postcommand_cb(irecv_client_t client, const irecv_event_t* event) {
-        unsigned char* value = NULL;
+        char* value = NULL;
+        char* action = NULL;
+        char* command = NULL;
+        char* argument = NULL;
+        irecv_error_t error = IRECV_E_SUCCESS;
+
         if (event->type == IRECV_POSTCOMMAND) {
-                irecv_error_t error = 0;
-                if (strstr(event->data, "getenv") != NULL) {
-                        error = irecv_getenv(client, &value);
+                command = strdup(event->data);
+                action = strtok(command, " ");
+                if (!strcmp(action, "getenv")) {
+                        argument = strtok(NULL, " ");
+                        error = irecv_getenv(client, argument, &value);
                         if (error != IRECV_E_SUCCESS) {
                                 debug("%s\n", irecv_strerror(error));
+                                free(command);
                                 return error;
                         }
                         printf("%s\n", value);
+                        free(value);
                 }
 
-                if (!strcmp(event->data, "reboot")) {
+                if (!strcmp(action, "reboot")) {
                         quit = 1;
                 }
         }
 
-        if (value != NULL) free(value);
+        if (command) free(command);
         return 0;
 }
 
diff --git a/src/libirecovery.c b/src/libirecovery.c
index 4900fbf..05a162f 100644
--- a/src/libirecovery.c
+++ b/src/libirecovery.c
@@ -152,6 +152,12 @@ irecv_error_t irecv_event_subscribe(irecv_client_t client, irecv_event_type type
                 client->received_callback = callback;
                 break;
 
+        case IRECV_PROGRESS:
+                client->progress_callback = callback;
+
+        case IRECV_CONNECTED:
+                client->connected_callback = callback;
+
         case IRECV_PRECOMMAND:
                 client->precommand_callback = callback;
                 break;
@@ -160,8 +166,8 @@ irecv_error_t irecv_event_subscribe(irecv_client_t client, irecv_event_type type
                 client->postcommand_callback = callback;
                 break;
 
-        case IRECV_PROGRESS:
-                client->progress_callback = callback;
+        case IRECV_DISCONNECTED:
+                client->disconnected_callback = callback;
 
         default:
                 return IRECV_E_UNKNOWN_ERROR;
@@ -176,6 +182,12 @@ irecv_error_t irecv_event_unsubscribe(irecv_client_t client, irecv_event_type ty
                 client->received_callback = NULL;
                 break;
 
+        case IRECV_PROGRESS:
+                client->progress_callback = NULL;
+
+        case IRECV_CONNECTED:
+                client->connected_callback = NULL;
+
         case IRECV_PRECOMMAND:
                 client->precommand_callback = NULL;
                 break;
@@ -184,8 +196,8 @@ irecv_error_t irecv_event_unsubscribe(irecv_client_t client, irecv_event_type ty
                 client->postcommand_callback = NULL;
                 break;
 
-        case IRECV_PROGRESS:
-                client->progress_callback = NULL;
+        case IRECV_DISCONNECTED:
+                client->disconnected_callback = NULL;
 
         default:
                 return IRECV_E_UNKNOWN_ERROR;
@@ -196,6 +208,15 @@ irecv_error_t irecv_event_unsubscribe(irecv_client_t client, irecv_event_type ty
 
 irecv_error_t irecv_close(irecv_client_t client) {
         if (client != NULL) {
+                if(client->disconnected_callback != NULL) {
+                        irecv_event_t event;
+                        event.size = 0;
+                        event.data = NULL;
+                        event.progress = 0;
+                        event.type = IRECV_DISCONNECTED;
+                        client->disconnected_callback(client, &event);
+                }
+
                 if (client->handle != NULL) {
                         libusb_release_interface(client->handle, client->interface);
                         libusb_close(client->handle);
@@ -393,22 +414,37 @@ irecv_error_t irecv_receive(irecv_client_t client) {
         return IRECV_E_SUCCESS;
 }
 
-irecv_error_t irecv_getenv(irecv_client_t client, unsigned char** var) {
+irecv_error_t irecv_getenv(irecv_client_t client, const char* variable, char** value) {
+        char command[256];
         if (client == NULL || client->handle == NULL) {
                 return IRECV_E_NO_DEVICE;
         }
 
-        unsigned char* value = (unsigned char*) malloc(256);
-        if (value == NULL) {
+        *value = NULL;
+
+        if(variable == NULL) {
+                return IRECV_E_UNKNOWN_ERROR;
+        }
+
+        memset(command, '\0', sizeof(command));
+        snprintf(command, sizeof(command)-1, "getenv %s", variable);
+        irecv_error_t error = irecv_send_command(client, command);
+        if(error != IRECV_E_SUCCESS) {
+                return error;
+        }
+
+        unsigned char* response = (unsigned char*) malloc(256);
+        if (response == NULL) {
                 return IRECV_E_OUT_OF_MEMORY;
         }
 
-        int ret = libusb_control_transfer(client->handle, 0xC0, 0, 0, 0, value, 256, 500);
+        memset(response, '\0', 256);
+        int ret = libusb_control_transfer(client->handle, 0xC0, 0, 0, 0, response, 255, 500);
         if (ret < 0) {
                 return IRECV_E_UNKNOWN_ERROR;
         }
 
-        *var = value;
+        *value = response;
         return IRECV_E_SUCCESS;
 }
 
@@ -484,6 +520,26 @@ irecv_error_t irecv_send_exploit(irecv_client_t client) {
         return IRECV_E_SUCCESS;
 }
 
+irecv_error_t irecv_setenv(irecv_client_t client, const char* variable, const char* value) {
+        char command[256];
+        if (client == NULL || client->handle == NULL) {
+                return IRECV_E_NO_DEVICE;
+        }
+
+        if(variable == NULL || value == NULL) {
+                return IRECV_E_UNKNOWN_ERROR;
+        }
+
+        memset(command, '\0', sizeof(command));
+        snprintf(command, sizeof(command)-1, "setenv %s %s", variable, value);
+        irecv_error_t error = irecv_send_command(client, command);
+        if(error != IRECV_E_SUCCESS) {
+                return error;
+        }
+
+        return IRECV_E_SUCCESS;
+}
+
 const char* irecv_strerror(irecv_error_t error) {
         switch (error) {
         case IRECV_E_SUCCESS: