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Refactor manifest: change haveSecret to enum

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This commit is contained in:
Andrew Bettison 2013-10-30 13:14:26 +10:30
parent 9d54c629b2
commit 416b82b6c0
3 changed files with 28 additions and 24 deletions
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21
commandline.c
View File

@ -1680,15 +1680,22 @@ int app_rhizome_extract(const struct cli_parsed *parsed, struct cli_context *con
rhizome_extract_privatekey(m, NULL);
const char *blob_service = rhizome_manifest_get(m, "service", NULL, 0);
cli_field_name(context, "service", ":"); cli_put_string(context, blob_service, "\n");
cli_field_name(context, "manifestid", ":"); cli_put_string(context, alloca_tohex_rhizome_bid_t(bid), "\n");
cli_field_name(context, "version", ":"); cli_put_long(context, m->version, "\n");
cli_field_name(context, "inserttime", ":"); cli_put_long(context, m->inserttime, "\n");
cli_field_name(context, "service", ":");
cli_put_string(context, blob_service, "\n");
cli_field_name(context, "manifestid", ":");
cli_put_string(context, alloca_tohex_rhizome_bid_t(bid), "\n");
cli_field_name(context, "version", ":");
cli_put_long(context, m->version, "\n");
cli_field_name(context, "inserttime", ":");
cli_put_long(context, m->inserttime, "\n");
if (m->haveSecret) {
cli_field_name(context, ".author", ":"); cli_put_string(context, alloca_tohex_sid_t(m->author), "\n");
cli_field_name(context, ".author", ":");
cli_put_string(context, alloca_tohex_sid_t(m->author), "\n");
}
cli_field_name(context, ".readonly", ":"); cli_put_long(context, m->haveSecret?0:1, "\n");
cli_field_name(context, "filesize", ":"); cli_put_long(context, m->fileLength, "\n");
cli_field_name(context, ".readonly", ":");
cli_put_long(context, m->haveSecret?0:1, "\n");
cli_field_name(context, "filesize", ":");
cli_put_long(context, m->fileLength, "\n");
if (m->fileLength != 0) {
cli_field_name(context, "filehash", ":");
cli_put_string(context, alloca_tohex_rhizome_filehash_t(m->filehash), "\n");

13
rhizome.h
View File

@ -118,9 +118,6 @@ extern time_ms_t rhizome_voice_timeout;
#define RHIZOME_IDLE_TIMEOUT 20000
#define EXISTING_BUNDLE_ID 1
#define NEW_BUNDLE_ID 2
typedef struct rhizome_signature {
unsigned char signature[crypto_sign_edwards25519sha512batch_BYTES
+crypto_sign_edwards25519sha512batch_PUBLICKEYBYTES+1];
@ -145,14 +142,14 @@ typedef struct rhizome_manifest {
unsigned char manifestdata[MAX_MANIFEST_BYTES];
unsigned char manifesthash[crypto_hash_sha512_BYTES];
/* CryptoSign key pair for this manifest.
The filename as distributed on Rhizome will be the public key
of this pair, thus ensuring that noone can tamper with a bundle
except the creator. */
/* CryptoSign key pair for this manifest. The public key is the Bundle ID
* (aka Manifest ID).
*/
rhizome_bid_t cryptoSignPublic;
unsigned char cryptoSignSecret[crypto_sign_edwards25519sha512batch_SECRETKEYBYTES];
/* Whether we have the secret for this manifest on hand */
int haveSecret;
enum { SECRET_UNKNOWN = 0, EXISTING_BUNDLE_ID, NEW_BUNDLE_ID } haveSecret;
int var_count;
char *vars[MAX_MANIFEST_VARS];

12
rhizome_crypto.c
View File

@ -230,7 +230,7 @@ int rhizome_find_secret(const sid_t *authorSidp, int *rs_len, const unsigned cha
* which is used to look up the author's rhizome secret in the keyring.
*
* Returns 0 if a valid private key was extracted, with the private key in the manifest
* 'cryptoSignSecret' field and the 'haveSecret' field set to 1.
* 'cryptoSignSecret' field and the 'haveSecret' field set to EXISTING_BUNDLE_ID.
*
* Returns 1 if the manifest does not have a BK field.
*
@ -287,11 +287,11 @@ int rhizome_extract_privatekey(rhizome_manifest *m, rhizome_bk_t *bsk)
result=1;
}
if (result == 0){
if (result == 0)
m->haveSecret = EXISTING_BUNDLE_ID;
}else{
else {
memset(m->cryptoSignSecret, 0, sizeof m->cryptoSignSecret);
m->haveSecret=0;
m->haveSecret = SECRET_UNKNOWN;
}
RETURN(result);
@ -326,7 +326,7 @@ int rhizome_extract_privatekey_required(rhizome_manifest *m, rhizome_bk_t *bsk)
*
* Returns 0 if an identity is found with permission to alter the bundle, after setting the manifest
* 'author' field to the SID of the identity and the manifest 'cryptoSignSecret' field to the bundle
* secret key and the 'haveSecret' field to 1.
* secret key and the 'haveSecret' field to EXISTING_BUNDLE_ID.
*
* Returns 1 if no identity in the keyring is the author of this bundle.
*
@ -402,7 +402,7 @@ int rhizome_verify_bundle_privatekey(rhizome_manifest *m,
for (i = 0;i < 32;++i)
if (pkin[i] != pk[i]) {
if (m&&sk==m->cryptoSignSecret&&pkin==m->cryptoSignPublic.binary)
m->haveSecret=0;
m->haveSecret = SECRET_UNKNOWN;
RETURN(-1);
}
if (m&&sk==m->cryptoSignSecret&&pkin==m->cryptoSignPublic.binary) {