diff options
Diffstat (limited to 'cmds/keystore/netkeystore.h')
-rw-r--r-- | cmds/keystore/netkeystore.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/cmds/keystore/netkeystore.h b/cmds/keystore/netkeystore.h new file mode 100644 index 0000000..a87a667 --- /dev/null +++ b/cmds/keystore/netkeystore.h @@ -0,0 +1,96 @@ +/* +** +** Copyright 2009, The Android Open Source Project +** +** Licensed under the Apache License, Version 2.0 (the "License"); +** you may not use this file except in compliance with the License. +** You may obtain a copy of the License at +** +** http://www.apache.org/licenses/LICENSE-2.0 +** +** Unless required by applicable law or agreed to in writing, software +** distributed under the License is distributed on an "AS IS" BASIS, +** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +** See the License for the specific language governing permissions and +** limitations under the License. +*/ + +#ifndef __NETKEYSTORE_H__ +#define __NETKEYSTORE_H__ + +#include <stdio.h> +#include <cutils/sockets.h> +#include <cutils/log.h> + +#include "common.h" + +static inline int readx(int s, void *_buf, int count) +{ + char *buf = _buf; + int n = 0, r; + if (count < 0) return -1; + while (n < count) { + r = read(s, buf + n, count - n); + if (r < 0) { + if (errno == EINTR) continue; + LOGE("read error: %s\n", strerror(errno)); + return -1; + } + if (r == 0) { + LOGE("eof\n"); + return -1; /* EOF */ + } + n += r; + } + return 0; +} + +static inline int writex(int s, const void *_buf, int count) +{ + const char *buf = _buf; + int n = 0, r; + if (count < 0) return -1; + while (n < count) { + r = write(s, buf + n, count - n); + if (r < 0) { + if (errno == EINTR) continue; + LOGE("write error: %s\n", strerror(errno)); + return -1; + } + n += r; + } + return 0; +} + +static inline int read_marshal(int s, LPC_MARSHAL *cmd) +{ + if (readx(s, cmd, 2 * sizeof(uint32_t))) { + LOGE("failed to read header\n"); + return -1; + } + if (cmd->len > BUFFER_MAX) { + LOGE("invalid size %d\n", cmd->len); + return -1; + } + if (readx(s, cmd->data, cmd->len)) { + LOGE("failed to read data\n"); + return -1; + } + cmd->data[cmd->len] = 0; + return 0; +} + +static inline int write_marshal(int s, LPC_MARSHAL *cmd) +{ + if (writex(s, cmd, 2 * sizeof(uint32_t))) { + LOGE("failed to write marshal header\n"); + return -1; + } + if (writex(s, cmd->data, cmd->len)) { + LOGE("failed to write marshal data\n"); + return -1; + } + return 0; +} + +#endif |