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Comment:ChromeOS: Added support for listing smartcard readers
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 64c4c68fa6638b79e3f13da7a8c1f503b428b829
User & Date: rkeene on 2016-03-09 04:30:30
Other Links: manifest | tags
Context
2016-03-09
04:40
ChromeOS: Fix issue where multiple calls made close together may have used the same ID check-in: 40765d7728 user: rkeene tags: trunk
04:30
ChromeOS: Added support for listing smartcard readers check-in: 64c4c68fa6 user: rkeene tags: trunk
2016-03-08
21:02
ChromeOS: Added support for informing the user if we are a certificate provider or not check-in: 188c4d598f user: rkeene tags: trunk
Changes
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Modified build/chrome/cackey-chrome-pkcs11.c from [c7ea100694] to [d840c2c357]. 

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#ifdef __cplusplus
extern "C" {
#endif

#include <stdbool.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "mypkcs11.h"
#include "cackey-chrome.h"
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		if (certificates[idx].certificate) {
			free(certificates[idx].certificate);
		}
	}

	free(certificates);

	return;
}

int cackey_chrome_listReaders(struct cackey_reader **readers) {
	CK_RV chk_rv;
	CK_ULONG numSlots, currSlot;
	CK_SLOT_ID_PTR slots;
	CK_SLOT_INFO slotInfo;

	chk_rv = cackey_chrome_init();
	if (chk_rv != CKR_OK) {
		return(0);
	}

	chk_rv = moduleFunctionList->C_GetSlotList(FALSE, NULL, &numSlots);
	if (chk_rv != CKR_OK) {
		return(0);
	}

	slots = malloc(sizeof(*slots) * numSlots);

	chk_rv = moduleFunctionList->C_GetSlotList(FALSE, slots, &numSlots);
	if (chk_rv != CKR_OK) {
		free(slots);

		return(0);
	}

	*readers = malloc(sizeof(**readers) * numSlots);

	for (currSlot = 0; currSlot < numSlots; currSlot++) {
		chk_rv = moduleFunctionList->C_GetSlotInfo(slots[currSlot], &slotInfo);
		if (chk_rv != CKR_OK) {
			continue;
		}

		(*readers)[currSlot].reader = malloc(sizeof(slotInfo.slotDescription) + 1);
		memcpy((*readers)[currSlot].reader, slotInfo.slotDescription, sizeof(slotInfo.slotDescription));
		(*readers)[currSlot].reader[sizeof(slotInfo.slotDescription)] = '\0';

		if ((slotInfo.flags & CKF_TOKEN_PRESENT) != CKF_TOKEN_PRESENT) {
			(*readers)[currSlot].cardInserted = false;
		} else {
			(*readers)[currSlot].cardInserted = true;
		}
	}

	free(slots);

	return(numSlots);
}

void cackey_chrome_freeReaders(struct cackey_reader *readers, int readersCount) {
	int idx;

	if (readers == NULL) {
		return;
	}

	for (idx = 0; idx < readersCount; idx++) {
		if (readers[idx].reader) {
			free(readers[idx].reader);
		}
	}

	free(readers);

	return;
}

cackey_chrome_returnType cackey_chrome_signMessage(struct cackey_certificate *certificate, void *data, unsigned long dataLength, void *destination, unsigned long *destinationLength, char **pinPrompt, const char *pin) {
	CK_RV chk_rv;
	CK_ULONG numSlots, currSlot;
	CK_SLOT_ID_PTR slots;
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Modified build/chrome/cackey-chrome-plugin.cc from [02273309f5] to [cf6e270a5f].

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		virtual void HandleMessageThread(pp::VarDictionary *message, pp::Var *messagePlain) {
			cackey_chrome_returnType signRet;
			char *pinPrompt = NULL;
			const char *pin;
			const char *smartcardManagerAppId = NULL;
			unsigned char buffer[8192];
			struct cackey_certificate *certificates, incomingCertificateCACKey;
			struct cackey_reader *readers;
			pp::VarDictionary *reply;
			pp::VarArray certificatesPPArray;
			pp::VarDictionary *reply, *readerInfo;
			pp::VarArray certificatesPPArray, readersPPArray;
			pp::VarArrayBuffer *certificateContents, *incomingCertificateContents, *incomingData, *outgoingData;
			pp::Var command;
			int numCertificates, i;
			int numCertificates, numReaders, i;
			unsigned long outgoingDataLength;

			/*
			 * Extract the command
			 */
			command = message->Get("command");
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					delete certificateContents;
				}

				cackey_chrome_freeCertificates(certificates, numCertificates);

				reply->Set("status", "success");
				reply->Set("certificates", certificatesPPArray);
			} else if (command.AsString() == "listreaders") {
				numReaders = cackey_chrome_listReaders(&readers);

				readersPPArray.SetLength(numReaders);

				for (i = 0; i < numReaders; i++) {
					readerInfo = new pp::VarDictionary;

					readerInfo->Set("readerName", readers[i].reader);
					readerInfo->Set("cardInserted", readers[i].cardInserted);

					readersPPArray.Set(i, *readerInfo);

					delete readerInfo;
				}

				cackey_chrome_freeReaders(readers, numReaders);

				reply->Set("status", "success");
				reply->Set("readers", readersPPArray);
			} else if (command.AsString() == "sign") {
				if (!message->HasKey("certificate")) {
					reply->Set("status", "error");
					reply->Set("error", "Certificate not supplied");
				} else if (!message->HasKey("data")) {
					reply->Set("status", "error");
					reply->Set("error", "Data not supplied");
︙

Modified build/chrome/cackey-chrome.h from [ef61e21c1b] to [0278509de3]. 

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#ifndef CACKEY_CHROME_CACKEY_H
#define CACKEY_CHROME_CACKEY_H 1

#  ifdef __cplusplus
extern "C" {
#  endif

#include <stddef.h>

struct cackey_certificate {
	size_t certificate_len;
	void *certificate;
};

struct cackey_reader {
	char *reader;
	bool cardInserted;
};

typedef enum {
	CACKEY_CHROME_OK,
	CACKEY_CHROME_ERROR,
	CACKEY_CHROME_NEEDLOGIN,
	CACKEY_CHROME_NEEDPROTECTEDLOGIN
} cackey_chrome_returnType;

int cackey_chrome_listCertificates(struct cackey_certificate **certificates);
void cackey_chrome_freeCertificates(struct cackey_certificate *certificates, int certificatesCount);

int cackey_chrome_listReaders(struct cackey_reader **readers);
void cackey_chrome_freeReaders(struct cackey_reader *readers, int readersCount);

cackey_chrome_returnType cackey_chrome_signMessage(struct cackey_certificate *certificate, void *data, unsigned long dataLength, void *destination, unsigned long *destinationLength, char **pinPrompt, const char *pin);

void cackey_chrome_terminate(void);

#  ifdef __cplusplus
}
#  endif
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Modified build/chrome/cackey.js from [6f10afa9df] to [acab99bc2a].

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/*
 * Handle a response from the NaCl side regarding certificates available
 */
function cackeyMessageIncomingListCertificates(message, chromeCallback) {
	var idx;
	var certificates = [];

	if (!chromeCallback) {
		return;
	}

	for (idx = 0; idx < message.certificates.length; idx++) {
		certificates.push(
			{
				certificate: message.certificates[idx],
				supportedHashes: ['SHA1', 'SHA256', 'MD5_SHA1']
			}
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			return;
		}
	);

	return;
}

/*
 * Handle a response from the NaCl side regarding a list of readers
 */
function cackeyMessageIncomingListReaders(message, chromeCallback) {
	if (!chromeCallback) {
		return;
	}

	chromeCallback(message.readers);

	return;
}

/*
 * Handle a response from the NaCl side regarding signing a message
 */
function cackeyMessageIncomingSignMessage(message, chromeCallback) {
	var payload;

	if (!chromeCallback) {
		return;
	}

	payload = message.signedData;

	chromeCallback(payload);

	return;
}
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			 */
			return;
		case "success":
			switch (messageEvent.data.command) {
				case "listcertificates":
					nextFunction = cackeyMessageIncomingListCertificates;

					break;
				case "listreaders":
					nextFunction = cackeyMessageIncomingListReaders;

					break;
				case "sign":
					nextFunction = cackeyMessageIncomingSignMessage;

					break;
			}
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		cackeyHandle.postMessage(
			{
				'target': "cackey",
				'command': "listcertificates",
				'id': callbackId
			}
		);

		cackeyOutstandingCallbackCounter = callbackId;
		cackeyOutstandingCallbacks[callbackId] = chromeCallback;

		if (GoogleSmartCard.IS_DEBUG_BUILD) {
			console.log("[cackey] Thrown.");
		}
	}, chromeCallback);

	return;
}

/*
 * Handler for messages from Chrome related to listing readers
 */
function cackeyListReaders(chromeCallback) {
	var callbackId;

	if (GoogleSmartCard.IS_DEBUG_BUILD) {
		console.log("[cackey] Asked to provide a list of readers -- throwing that request over to the NaCl side... ");
	}

	callbackId = cackeyOutstandingCallbackCounter + 1;

	cackeyInitPCSC(function() {
		cackeyHandle.postMessage(
			{
				'target': "cackey",
				'command': "listreaders",
				'id': callbackId
			}
		);

		cackeyOutstandingCallbackCounter = callbackId;
		cackeyOutstandingCallbacks[callbackId] = chromeCallback;

		if (GoogleSmartCard.IS_DEBUG_BUILD) {
			console.log("[cackey] Thrown.");
		}
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