hardcoresushi/DroidFS
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Fix gocryptfs_jni.c invalid string access

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This commit is contained in:
Matéo Duparc 2024-08-22 23:01:35 +02:00
parent 0a1406769b
commit 4aa211bca4
Signed by: hardcoresushi
GPG Key ID: AFE384344A45E13A
1 changed files with 2 additions and 1 deletions
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app/src/main/native/gocryptfs_jni.c
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@ -196,6 +196,7 @@ Java_sushi_hardcore_droidfs_filesystems_GocryptfsVolume_native_1list_1dir(JNIEnv
jint sessionID, jstring jplain_dir) {
const char* plain_dir = (*env)->GetStringUTFChars(env, jplain_dir, NULL);
const size_t plain_dir_len = strlen(plain_dir);
const char append_slash = plain_dir[plain_dir_len-1] != '/';
GoString go_plain_dir = {plain_dir, plain_dir_len};
struct gcf_list_dir_return elements = gcf_list_dir(sessionID, go_plain_dir);
@ -216,7 +217,7 @@ Java_sushi_hardcore_droidfs_filesystems_GocryptfsVolume_native_1list_1dir(JNIEnv
char* fullPath = malloc(sizeof(char) * (plain_dir_len + nameLen + 2));
strcpy(fullPath, plain_dir);
if (plain_dir[-2] != '/') {
if (append_slash) {
strcat(fullPath, "/");
}
strcat(fullPath, name);