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-rw-r--r--tools/idevicebackup.c129
1 files changed, 23 insertions, 106 deletions
diff --git a/tools/idevicebackup.c b/tools/idevicebackup.c
index 5694c12..c0537b8 100644
--- a/tools/idevicebackup.c
+++ b/tools/idevicebackup.c
@@ -32,24 +32,6 @@
#include <stdlib.h>
#include <signal.h>
#include <getopt.h>
-#if defined(HAVE_OPENSSL)
-#include <openssl/sha.h>
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
-#include <openssl/evp.h>
-#endif
-#elif defined(HAVE_GNUTLS)
-#include <gcrypt.h>
-#elif defined(HAVE_MBEDTLS)
-#include <mbedtls/sha1.h>
-#if MBEDTLS_VERSION_NUMBER < 0x03000000
-#define mbedtls_sha1 mbedtls_sha1_ret
-#define mbedtls_sha1_starts mbedtls_sha1_starts_ret
-#define mbedtls_sha1_update mbedtls_sha1_update_ret
-#define mbedtls_sha1_finish mbedtls_sha1_finish_ret
-#endif
-#else
-#error No supported crypto library enabled
-#endif
#include <unistd.h>
#include <ctype.h>
#include <time.h>
@@ -59,6 +41,7 @@
#include <libimobiledevice/mobilebackup.h>
#include <libimobiledevice/notification_proxy.h>
#include <libimobiledevice/afc.h>
+#include <libimobiledevice-glue/sha.h>
#include <libimobiledevice-glue/utils.h>
#include <plist/plist.h>
@@ -91,17 +74,6 @@ enum device_link_file_status_t {
DEVICE_LINK_FILE_STATUS_LAST_HUNK
};
-static void sha1_of_data(const char *input, uint32_t size, unsigned char *hash_out)
-{
-#if defined(HAVE_OPENSSL)
- SHA1((const unsigned char*)input, size, hash_out);
-#elif defined(HAVE_GNUTLS)
- gcry_md_hash_buffer(GCRY_MD_SHA1, hash_out, input, size);
-#elif defined(HAVE_MBEDTLS)
- mbedtls_sha1((unsigned char*)input, size, hash_out);
-#endif
-}
-
static int compare_hash(const unsigned char *hash1, const unsigned char *hash2, int hash_len)
{
int i;
@@ -113,104 +85,49 @@ static int compare_hash(const unsigned char *hash1, const unsigned char *hash2,
return 1;
}
-static void _sha1_update(void* context, const char* data, size_t len)
-{
-#if defined(HAVE_OPENSSL)
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
- EVP_DigestUpdate(context, data, len);
-#else
- SHA1_Update(context, data, len);
-#endif
-#elif defined(HAVE_GNUTLS)
- gcry_md_write(context, data, len);
-#elif defined(HAVE_MBEDTLS)
- mbedtls_sha1_update(context, (const unsigned char*)data, len);
-#endif
-}
-
static void compute_datahash(const char *path, const char *destpath, uint8_t greylist, const char *domain, const char *appid, const char *version, unsigned char *hash_out)
{
-#if defined(HAVE_OPENSSL)
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
- EVP_MD_CTX* sha1 = EVP_MD_CTX_new();
- EVP_DigestInit(sha1, EVP_sha1());
- void* psha1 = sha1;
-#else
- SHA_CTX sha1;
- SHA1_Init(&sha1);
- void* psha1 = &sha1;
-#endif
-#elif defined(HAVE_GNUTLS)
- gcry_md_hd_t hd = NULL;
- gcry_md_open(&hd, GCRY_MD_SHA1, 0);
- if (!hd) {
- printf("ERROR: Could not initialize libgcrypt/SHA1\n");
- return;
- }
- gcry_md_reset(hd);
- void* psha1 = hd;
-#elif defined(HAVE_MBEDTLS)
- mbedtls_sha1_context sha1;
- mbedtls_sha1_init(&sha1);
- mbedtls_sha1_starts(&sha1);
- void* psha1 = &sha1;
-#endif
+ sha1_context sha1;
+ sha1_init(&sha1);
FILE *f = fopen(path, "rb");
if (f) {
unsigned char buf[16384];
size_t len;
while ((len = fread(buf, 1, 16384, f)) > 0) {
- _sha1_update(psha1, (const char*)buf, len);
+ sha1_update(&sha1, buf, len);
}
fclose(f);
- _sha1_update(psha1, destpath, strlen(destpath));
- _sha1_update(psha1, ";", 1);
+ sha1_update(&sha1, destpath, strlen(destpath));
+ sha1_update(&sha1, ";", 1);
if (greylist == 1) {
- _sha1_update(psha1, "true", 4);
+ sha1_update(&sha1, "true", 4);
} else {
- _sha1_update(psha1, "false", 5);
+ sha1_update(&sha1, "false", 5);
}
- _sha1_update(psha1, ";", 1);
+ sha1_update(&sha1, ";", 1);
if (domain) {
- _sha1_update(psha1, domain, strlen(domain));
+ sha1_update(&sha1, domain, strlen(domain));
} else {
- _sha1_update(psha1, "(null)", 6);
+ sha1_update(&sha1, "(null)", 6);
}
- _sha1_update(psha1, ";", 1);
+ sha1_update(&sha1, ";", 1);
if (appid) {
- _sha1_update(psha1, appid, strlen(appid));
+ sha1_update(&sha1, appid, strlen(appid));
} else {
- _sha1_update(psha1, "(null)", 6);
+ sha1_update(&sha1, "(null)", 6);
}
- _sha1_update(psha1, ";", 1);
+ sha1_update(&sha1, ";", 1);
if (version) {
- _sha1_update(psha1, version, strlen(version));
+ sha1_update(&sha1, version, strlen(version));
} else {
- _sha1_update(psha1, "(null)", 6);
+ sha1_update(&sha1, "(null)", 6);
}
-#if defined(HAVE_OPENSSL)
-#if OPENSSL_VERSION_NUMBER >= 0x30000000L
- EVP_DigestFinal(sha1, hash_out, NULL);
- EVP_MD_CTX_destroy(sha1);
-#else
- SHA1_Final(hash_out, &sha1);
-#endif
-#elif defined(HAVE_GNUTLS)
- unsigned char *newhash = gcry_md_read(hd, GCRY_MD_SHA1);
- memcpy(hash_out, newhash, 20);
-#elif defined(HAVE_MBEDTLS)
- mbedtls_sha1_finish(&sha1, hash_out);
-#endif
+ sha1_final(&sha1, hash_out);
}
-#if defined(HAVE_GNUTLS)
- gcry_md_close(hd);
-#elif defined(HAVE_MBEDTLS)
- mbedtls_sha1_free(&sha1);
-#endif
}
static void print_hash(const unsigned char *hash, int len)
@@ -547,7 +464,7 @@ static int mobilebackup_check_file_integrity(const char *backup_directory, const
unsigned char fnhash[20];
char fnamehash[41];
char *p = fnamehash;
- sha1_of_data(fnstr, strlen(fnstr), fnhash);
+ sha1((const unsigned char*)fnstr, strlen(fnstr), fnhash);
free(fnstr);
int i;
for ( i = 0; i < 20; i++, p += 2 ) {
@@ -1285,14 +1202,14 @@ files_out:
}
printf("Verifying backup integrity, please wait.\n");
- char *bin = NULL;
+ unsigned char *bin = NULL;
uint64_t binsize = 0;
node = plist_dict_get_item(manifest_plist, "Data");
if (!node || (plist_get_node_type(node) != PLIST_DATA)) {
printf("Could not read Data key from Manifest.plist!\n");
break;
}
- plist_get_data_val(node, &bin, &binsize);
+ plist_get_data_val(node, (char**)&bin, &binsize);
plist_t backup_data = NULL;
if (bin) {
char *auth_ver = NULL;
@@ -1309,7 +1226,7 @@ files_out:
if (auth_sig && (auth_sig_len == 20)) {
/* calculate the sha1, then compare */
unsigned char data_sha1[20];
- sha1_of_data(bin, binsize, data_sha1);
+ sha1(bin, binsize, data_sha1);
if (compare_hash(auth_sig, data_sha1, 20)) {
printf("AuthSignature is valid\n");
} else {
@@ -1322,7 +1239,7 @@ files_out:
} else if (auth_ver) {
printf("Unknown AuthVersion '%s', cannot verify AuthSignature\n", auth_ver);
}
- plist_from_bin(bin, (uint32_t)binsize, &backup_data);
+ plist_from_bin((char*)bin, (uint32_t)binsize, &backup_data);
free(bin);
}
if (!backup_data) {
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