cc3200: Add CA, certificate and key files to the updater list.

cc3200/bootmgr/flc.h

@@ -48,12 +48,17 @@ extern "C"
 #define IMG_SRVPACK             "/sys/servicepack.ucf"
 #define SRVPACK_SIGN            "/sys/servicepack.sig"
 
+#define CA_FILE                 "/cert/ca.pem"
+#define CERT_FILE               "/cert/cert.pem"
+#define KEY_FILE                "/cert/private.key"
+
 /******************************************************************************
-   Image file sizes
+   Special file sizes
 *******************************************************************************/
 #define IMG_SIZE                (232 * 1024)    /* 16KB are reserved for the bootloader and at least 8KB for the heap*/
 #define SRVPACK_SIZE            (16  * 1024)
 #define SIGN_SIZE               (2   * 1024)
+#define CA_KEY_SIZE             (4   * 1024)
 
 /******************************************************************************
    Active Image

cc3200/ftp/ftp.c

@@ -137,8 +137,7 @@ typedef struct {
     uint8_t             e_open;
     bool                closechild;
     bool                enabled;
-    bool                swupdating;
-
+    bool                special_file;
 } ftp_data_t;
 
 typedef struct {
@@ -243,7 +242,7 @@ void ftp_init (void) {
     ftp_data.e_open = E_FTP_NOTHING_OPEN;
     ftp_data.state = E_FTP_STE_DISABLED;
     ftp_data.substate.data = E_FTP_STE_SUB_DISCONNECTED;
-    ftp_data.swupdating = false;
+    ftp_data.special_file = false;
 }
 
 void ftp_run (void) {
@@ -325,7 +324,7 @@ void ftp_run (void) {
                     ftp_data.dtimeout = 0;
                     ftp_data.ctimeout = 0;
                     // its a software update
-                    if (ftp_data.swupdating) {
+                    if (ftp_data.special_file) {
                         if (updater_write(ftp_data.dBuffer, len)) {
                             break;
                         }
@@ -345,8 +344,8 @@ void ftp_run (void) {
                     }
                 }
                 else {
-                    if (ftp_data.swupdating) {
-                        ftp_data.swupdating = false;
+                    if (ftp_data.special_file) {
+                        ftp_data.special_file = false;
                         updater_finnish();
                     }
                     ftp_close_files();
@@ -578,8 +577,8 @@ static void ftp_send_from_fifo (void) {
         // close the listening and the data sockets
         servers_close_socket(&ftp_data.ld_sd);
         servers_close_socket(&ftp_data.d_sd);
-        if (ftp_data.swupdating) {
-            ftp_data.swupdating = false;
+        if (ftp_data.special_file) {
+            ftp_data.special_file = false;
         }
     }
 }
@@ -759,11 +758,8 @@ static void ftp_process_cmd (void) {
             ftp_get_param_and_open_child (&bufptr);
             // first check if a software update is being requested
             if (updater_check_path (ftp_path)) {
-                // start by erasing the previous status file
-                // must be done before starting the updater
-                f_unlink(ftp_path);
                 if (updater_start()) {
-                    ftp_data.swupdating = true;
+                    ftp_data.special_file = true;
                     ftp_data.state = E_FTP_STE_CONTINUE_FILE_RX;
                     ftp_send_reply(150, NULL);
                 }
@@ -861,9 +857,9 @@ static void ftp_close_files (void) {
 
 static void ftp_close_filesystem_on_error (void) {
     ftp_close_files();
-    if (ftp_data.swupdating) {
+    if (ftp_data.special_file) {
         updater_finnish ();
-        ftp_data.swupdating = false;
+        ftp_data.special_file = false;
     }
 }
 

cc3200/ftp/updater.c

+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 #include <stdint.h>
 #include <stdbool.h>
 
@@ -18,6 +44,9 @@
 #define UPDATER_IMG_PATH            "/flash/sys/mcuimg.bin"
 #define UPDATER_SRVPACK_PATH        "/flash/sys/servicepack.ucf"
 #define UPDATER_SIGN_PATH           "/flash/sys/servicepack.sig"
+#define UPDATER_CA_PATH             "/flash/cert/ca.pem"
+#define UPDATER_CERT_PATH           "/flash/cert/cert.pem"
+#define UPDATER_KEY_PATH            "/flash/cert/private.key"
 
 /******************************************************************************
  DEFINE TYPES
@@ -41,24 +70,32 @@ bool updater_check_path (void *path) {
     if (!strcmp(UPDATER_IMG_PATH, path)) {
         updater_data.path = IMG_UPDATE;
         updater_data.fsize = IMG_SIZE;
-        return true;
-    }
-    else if (!strcmp(UPDATER_SRVPACK_PATH, path)) {
+    } else if (!strcmp(UPDATER_SRVPACK_PATH, path)) {
         updater_data.path = IMG_SRVPACK;
         updater_data.fsize = SRVPACK_SIZE;
-        return true;
-    }
-    else if (!strcmp(UPDATER_SIGN_PATH, path)) {
+    } else if (!strcmp(UPDATER_SIGN_PATH, path)) {
         updater_data.path = SRVPACK_SIGN;
         updater_data.fsize = SIGN_SIZE;
-        return true;
-    }
+    } else if (!strcmp(UPDATER_CA_PATH, path)) {
+        updater_data.path = CA_FILE;
+        updater_data.fsize = CA_KEY_SIZE;
+    } else if (!strcmp(UPDATER_CERT_PATH, path)) {
+        updater_data.path = CERT_FILE;
+        updater_data.fsize = CA_KEY_SIZE;
+    } else if (!strcmp(UPDATER_KEY_PATH, path)) {
+        updater_data.path = KEY_FILE;
+        updater_data.fsize = CA_KEY_SIZE;
+    } else {
         return false;
     }
+    return true;
+}
 
 bool updater_start (void) {
     _u32 AccessModeAndMaxSize = FS_MODE_OPEN_WRITE;
     SlFsFileInfo_t FsFileInfo;
+    bool result = false;
+
     sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
     if (0 != sl_FsGetInfo((_u8 *)updater_data.path, 0, &FsFileInfo)) {
         // file doesn't exist, create it
@@ -66,18 +103,24 @@ bool updater_start (void) {
     }
     if (!sl_FsOpen((_u8 *)updater_data.path, AccessModeAndMaxSize, NULL, &updater_data.fhandle)) {
         updater_data.foffset = 0;
-        return true;
+        result = true;
     }
     sl_LockObjUnlock (&wlan_LockObj);
-    return false;
+
+    return result;
 }
 
 bool updater_write (uint8_t *buf, uint32_t len) {
+    bool result = false;
+
+    sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
     if (len == sl_FsWrite(updater_data.fhandle, updater_data.foffset, buf, len)) {
         updater_data.foffset += len;
-        return true;
+        result = true;
     }
-    return false;
+    sl_LockObjUnlock (&wlan_LockObj);
+
+    return result;
 }
 
 void updater_finnish (void) {
@@ -85,6 +128,7 @@ void updater_finnish (void) {
     _i32 fhandle;
 
     if (updater_data.fhandle > 0) {
+        sl_LockObjLock (&wlan_LockObj, SL_OS_WAIT_FOREVER);
         // close the file being updated
         sl_FsClose(updater_data.fhandle, NULL, NULL, 0);
 
@@ -108,7 +152,7 @@ void updater_finnish (void) {
             ASSERT (sizeof(sBootInfo_t) == sl_FsWrite(fhandle, 0, (unsigned char *)&sBootInfo, sizeof(sBootInfo_t)));
             sl_FsClose(fhandle, 0, 0, 0);
         }
+        sl_LockObjUnlock (&wlan_LockObj);
     }
     updater_data.fhandle = -1;
-    sl_LockObjUnlock (&wlan_LockObj);
 }

cc3200/ftp/updater.h

+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Daniel Campora
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 
 #ifndef UPDATER_H_
 #define UPDATER_H_