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Dynamic patch verity and forceencrypt flag

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topjohnwu
2017-12-07 03:21:13 +08:00
parent b4c0a255fc
commit baff9256c5
8 changed files with 121 additions and 56 deletions
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core/jni/utils/pattern.c
+4 -4
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@@ -58,12 +58,12 @@ void patch_init_rc(void **buf, size_t *size) {
*buf = new_data;
}
int patch_verity(char **buf, uint32_t *size, int patch) {
int patch_verity(void **buf, uint32_t *size, int patch) {
int skip, found = 0;
for (int pos = 0; pos < *size; ++pos) {
if ((skip = check_verity_pattern(*buf + pos)) > 0) {
found = 1;
fprintf(stderr, "%s pattern [%.*s]\n", patch ? "Remove" : "Found", skip, *buf + pos);
fprintf(stderr, "%s pattern [%.*s]\n", patch ? "Remove" : "Found", skip, (char *) *buf + pos);
if (patch) {
memcpy(*buf + pos, *buf + pos + skip, *size - pos - skip);
memset(*buf + *size - skip, '\0', skip);
@@ -76,11 +76,11 @@ int patch_verity(char **buf, uint32_t *size, int patch) {
return found;
}
void patch_encryption(char **buf, uint32_t *size) {
void patch_encryption(void **buf, uint32_t *size) {
int skip;
for (int pos = 0; pos < *size; ++pos) {
if ((skip = check_encryption_pattern(*buf + pos)) > 0) {
fprintf(stderr, "Replace pattern [%.*s] with [encryptable]\n", skip, *buf + pos);
fprintf(stderr, "Replace pattern [%.*s] with [encryptable]\n", skip, (char *) *buf + pos);
memcpy(*buf + pos, "encryptable", 11);
memcpy(*buf + pos + 11, *buf + pos + skip, *size - pos - skip);
memset(*buf + *size - skip + 11, '\0', skip - 11);