Ainfo getAccessNode(const char *file1, const char *file2, int mode, pid_t pid) {
    Ainfo node = createNewNode();
    node->cwd = getCWDFromPid(pid);
    node->userName = getEUserFromPid(pid);
    node->groupName = getEGroupFromPid(pid);
    node->fileOwner = getFileOwner(file1);
    if (file1[0] == '/') {
        node->fileName1 = (char*) malloc((strlen(file1) + 1) * sizeof (char));
        strcpy(node->fileName1, file1);
    } else {
        node->fileName1 = (char*) malloc((strlen(node->cwd) + strlen(file1) + 2) * sizeof (char));
        strcpy(node->fileName1, node->cwd);
        strcat(node->fileName1, "/");
        strcat(node->fileName1, file1);
    }

    //Not every access node has file2
    if (file2) {
        if (file2[0] == '/') {
            node->fileName2 = (char*) malloc((strlen(file2) + 1) * sizeof (char));
            strcpy(node->fileName2, file2);
        } else {
            node->fileName2 = (char*) malloc((strlen(node->cwd) + strlen(file2) + 2) * sizeof (char));
            strcpy(node->fileName2, node->cwd);
            strcat(node->fileName2, "/");
            strcat(node->fileName2, file2);
        }
    }
    node->mode = mode;

    node->pid = pid;
    return node;
}
Exemple #2
0
Status PlatformFile::isOwnerRoot() const {
  if (!isValid()) {
    return Status(-1, "Invalid handle_");
  }

  uid_t owner_id = getFileOwner(handle_);
  if (owner_id == (uid_t)-1) {
    return Status(-1, "fstat error");
  }

  if (owner_id == 0) {
    return Status(0, "OK");
  }
  return Status(1, "Owner is not root");
}
Exemple #3
0
Status PlatformFile::isOwnerCurrentUser() const {
  if (!isValid()) {
    return Status(-1, "Invalid handle_");
  }

  uid_t owner_id = getFileOwner(handle_);
  if (owner_id == (uid_t)-1) {
    return Status(-1, "fstat error");
  }

  if (owner_id == ::getuid()) {
    return Status(0, "OK");
  }

  return Status(1, "Owner is not current user");
}
/*
 * Class:     sun_management_FileSystemImpl
 * Method:    isAccessUserOnly0
 * Signature: (Ljava/lang/String;)Z
 */
JNIEXPORT jboolean JNICALL Java_sun_management_FileSystemImpl_isAccessUserOnly0
  (JNIEnv *env, jclass ignored, jstring str)
{
    jboolean res = JNI_FALSE;
    jboolean isCopy;
    const char* path;

    path = JNU_GetStringPlatformChars(env, str, &isCopy);
    if (path != NULL) {
        /*
         * From the security descriptor get the file owner and
         * DACL. Then check if anybody but the owner has access
         * to the file.
         */
        SECURITY_DESCRIPTOR* sd = getFileSecurityDescriptor(env, path);
        if (sd != NULL) {
            SID *owner = getFileOwner(env, sd);
            if (owner != NULL) {
                ACL* acl = getFileDACL(env, sd);
                if (acl != NULL) {
                    res = isAccessUserOnly(env, owner, acl);
                } else {
                    /*
                     * If acl is NULL it means that an exception was thrown
                     * or there is "all acess" to the file.
                     */
                    res = JNI_FALSE;
                }
            }
            free(sd);
        }
        if (isCopy) {
            JNU_ReleaseStringPlatformChars(env, str, path);
        }
    }
    return res;
}