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-rw-r--r--src/lockdown.c70
1 files changed, 42 insertions, 28 deletions
diff --git a/src/lockdown.c b/src/lockdown.c
index 28670de..ae408be 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -26,6 +26,7 @@
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>
+#include <stdlib.h>
#include <glib.h>
#include <libtasn1.h>
#include <gnutls/x509.h>
@@ -200,9 +201,14 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist)
if (!client->in_SSL)
ret = usbmuxd_recv(client->sfd, (char *) &datalen, sizeof(datalen), &bytes);
else {
- bytes = gnutls_record_recv(*client->ssl_session, &datalen, sizeof(datalen));
- if (bytes > 0)
+ ssize_t res = gnutls_record_recv(*client->ssl_session, &datalen, sizeof(datalen));
+ if (res < 0) {
+ log_dbg_msg(DBGMASK_LOCKDOWND, "gnutls_record_recv: Error occured: %s\n", gnutls_strerror(res));
+ return IPHONE_E_SSL_ERROR;
+ } else {
+ bytes = res;
ret = IPHONE_E_SUCCESS;
+ }
}
datalen = ntohl(datalen);
@@ -211,13 +217,18 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist)
if (!client->in_SSL) {
/* fill buffer and request more packets if needed */
while ((received_bytes < datalen) && (ret == IPHONE_E_SUCCESS)) {
- ret = usbmuxd_recv(client->sfd, receive + received_bytes, datalen - received_bytes, &bytes); //iphone_mux_recv(client->connection, receive + received_bytes, datalen - received_bytes, &bytes);
+ ret = usbmuxd_recv(client->sfd, receive + received_bytes, datalen - received_bytes, &bytes);
received_bytes += bytes;
}
} else {
- received_bytes = gnutls_record_recv(*client->ssl_session, receive, datalen);
- if (received_bytes > 0)
+ ssize_t res = gnutls_record_recv(*client->ssl_session, receive, datalen);
+ if (res < 0) {
+ log_dbg_msg(DBGMASK_LOCKDOWND, "gnutls_record_recv: Error occured: %s\n", gnutls_strerror(res));
+ ret = IPHONE_E_SSL_ERROR;
+ } else {
+ received_bytes = res;
ret = IPHONE_E_SUCCESS;
+ }
}
if (ret != IPHONE_E_SUCCESS) {
@@ -225,7 +236,7 @@ iphone_error_t iphone_lckd_recv(iphone_lckd_client_t client, plist_t * plist)
return ret;
}
- if (received_bytes <= 0) {
+ if ((ssize_t)received_bytes <= 0) {
free(receive);
return IPHONE_E_NOT_ENOUGH_DATA;
}
@@ -272,12 +283,22 @@ iphone_error_t iphone_lckd_send(iphone_lckd_client_t client, plist_t plist)
log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): made the query, sending it along\n");
if (!client->in_SSL)
- ret = usbmuxd_send(client->sfd, real_query, ntohl(length) + sizeof(length), (uint32_t*)&bytes); //iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes);
+ ret = usbmuxd_send(client->sfd, real_query, ntohl(length) + sizeof(length), (uint32_t*)&bytes);
else {
- gnutls_record_send(*client->ssl_session, real_query, ntohl(length) + sizeof(length));
- ret = IPHONE_E_SUCCESS;
+ ssize_t res = gnutls_record_send(*client->ssl_session, real_query, ntohl(length) + sizeof(length));
+ if (res < 0) {
+ log_dbg_msg(DBGMASK_LOCKDOWND, "gnutls_record_send: Error occured: %s\n", gnutls_strerror(res));
+ ret = IPHONE_E_SSL_ERROR;
+ } else {
+ bytes = res;
+ ret = IPHONE_E_SUCCESS;
+ }
+ }
+ if (ret == IPHONE_E_SUCCESS) {
+ log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): sent it!\n");
+ } else {
+ log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): sending failed!\n");
}
- log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_send(): sent it!\n");
free(real_query);
return ret;
@@ -426,7 +447,7 @@ iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, const c
char *value_value = NULL;
plist_get_string_val(value_value_node, &value_value);
- value->data = value_value;
+ value->data = (unsigned char*)value_value;
value->size = strlen(value_value);
ret = IPHONE_E_SUCCESS;
}
@@ -436,7 +457,7 @@ iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, const c
uint64_t size = 0;
plist_get_data_val(value_value_node, &value_value, &size);
- value->data = value_value;
+ value->data = (unsigned char*)value_value;
value->size = size;
ret = IPHONE_E_SUCCESS;
}
@@ -458,7 +479,7 @@ iphone_error_t lockdownd_get_device_uid(iphone_lckd_client_t control, char **uid
{
gnutls_datum_t temp = { NULL, 0 };
iphone_error_t ret = lockdownd_generic_get_value(control, "Key", "UniqueDeviceID", &temp);
- *uid = temp.data;
+ *uid = (char*)temp.data;
return ret;
}
@@ -734,14 +755,14 @@ iphone_error_t lockdownd_gen_pair_cert(gnutls_datum_t public_key, gnutls_datum_t
if (ASN1_SUCCESS == asn1_der_decoding(&asn1_pub_key, der_pub_key.data, der_pub_key.size, NULL)) {
/* get size to read */
- int ret1 = asn1_read_value(asn1_pub_key, "modulus", NULL, &modulus.size);
- int ret2 = asn1_read_value(asn1_pub_key, "publicExponent", NULL, &exponent.size);
+ int ret1 = asn1_read_value(asn1_pub_key, "modulus", NULL, (int*)&modulus.size);
+ int ret2 = asn1_read_value(asn1_pub_key, "publicExponent", NULL, (int*)&exponent.size);
modulus.data = gnutls_malloc(modulus.size);
exponent.data = gnutls_malloc(exponent.size);
- ret1 = asn1_read_value(asn1_pub_key, "modulus", modulus.data, &modulus.size);
- ret2 = asn1_read_value(asn1_pub_key, "publicExponent", exponent.data, &exponent.size);
+ ret1 = asn1_read_value(asn1_pub_key, "modulus", modulus.data, (int*)&modulus.size);
+ ret2 = asn1_read_value(asn1_pub_key, "publicExponent", exponent.data, (int*)&exponent.size);
if (ASN1_SUCCESS == ret1 && ASN1_SUCCESS == ret2)
ret = IPHONE_E_SUCCESS;
}
@@ -756,7 +777,7 @@ iphone_error_t lockdownd_gen_pair_cert(gnutls_datum_t public_key, gnutls_datum_t
if (IPHONE_E_SUCCESS == ret && 0 != modulus.size && 0 != exponent.size) {
gnutls_global_init();
- gnutls_datum_t essentially_null = { strdup("abababababababab"), strlen("abababababababab") };
+ gnutls_datum_t essentially_null = { (unsigned char*)strdup("abababababababab"), strlen("abababababababab") };
gnutls_x509_privkey_t fake_privkey, root_privkey, host_privkey;
gnutls_x509_crt_t dev_cert, root_cert, host_cert;
@@ -1022,7 +1043,7 @@ iphone_error_t lockdownd_start_SSL_session(iphone_lckd_client_t control, const c
*/
ssize_t lockdownd_secuwrite(gnutls_transport_ptr_t transport, char *buffer, size_t length)
{
- int bytes = 0;
+ uint32_t bytes = 0;
iphone_lckd_client_t control;
control = (iphone_lckd_client_t) transport;
log_dbg_msg(DBGMASK_LOCKDOWND, "lockdownd_secuwrite() called\n");
@@ -1045,7 +1066,7 @@ ssize_t lockdownd_secuwrite(gnutls_transport_ptr_t transport, char *buffer, size
ssize_t lockdownd_securead(gnutls_transport_ptr_t transport, char *buffer, size_t length)
{
int bytes = 0, pos_start_fill = 0;
- int tbytes = 0;
+ size_t tbytes = 0;
int this_len = length;
iphone_error_t res;
iphone_lckd_client_t control;
@@ -1060,19 +1081,12 @@ ssize_t lockdownd_securead(gnutls_transport_ptr_t transport, char *buffer, size_
// repeat until we have the full data or an error occurs.
do {
- if ((res = usbmuxd_recv(control->sfd, recv_buffer, this_len, &bytes)) != IPHONE_E_SUCCESS) {
+ if ((res = usbmuxd_recv(control->sfd, recv_buffer, this_len, (uint32_t*)&bytes)) != IPHONE_E_SUCCESS) {
log_debug_msg("%s: ERROR: iphone_mux_recv returned %d\n", __func__, res);
return res;
}
log_debug_msg("post-read\nwe got %i bytes\n", bytes);
- if (bytes < 0) {
- log_debug_msg("lockdownd_securead(): uh oh\n");
- log_debug_msg
- ("I believe what we have here is a failure to communicate... libusb says %s but strerror says %s\n",
- usb_strerror(), strerror(errno));
- return bytes; // + 28; // an errno
- }
// increase read count
tbytes += bytes;
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