| 1 | /*
|
|---|
| 2 | * Copyright (c) 2005 Kungliga Tekniska Högskolan
|
|---|
| 3 | * (Royal Institute of Technology, Stockholm, Sweden).
|
|---|
| 4 | * All rights reserved.
|
|---|
| 5 | *
|
|---|
| 6 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 7 | * modification, are permitted provided that the following conditions
|
|---|
| 8 | * are met:
|
|---|
| 9 | *
|
|---|
| 10 | * 1. Redistributions of source code must retain the above copyright
|
|---|
| 11 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 12 | *
|
|---|
| 13 | * 2. Redistributions in binary form must reproduce the above copyright
|
|---|
| 14 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 15 | * documentation and/or other materials provided with the distribution.
|
|---|
| 16 | *
|
|---|
| 17 | * 3. Neither the name of the Institute nor the names of its contributors
|
|---|
| 18 | * may be used to endorse or promote products derived from this software
|
|---|
| 19 | * without specific prior written permission.
|
|---|
| 20 | *
|
|---|
| 21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|---|
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|---|
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|---|
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|---|
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|---|
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|---|
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|---|
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|---|
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|---|
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|---|
| 31 | * SUCH DAMAGE.
|
|---|
| 32 | */
|
|---|
| 33 |
|
|---|
| 34 | #include <config.h>
|
|---|
| 35 |
|
|---|
| 36 | #include "roken.h"
|
|---|
| 37 |
|
|---|
| 38 | /*
|
|---|
| 39 | * Write datablob to a filename, don't care about errors.
|
|---|
| 40 | */
|
|---|
| 41 |
|
|---|
| 42 | ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
|
|---|
| 43 | rk_dumpdata (const char *filename, const void *buf, size_t size)
|
|---|
| 44 | {
|
|---|
| 45 | int fd;
|
|---|
| 46 |
|
|---|
| 47 | fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0640);
|
|---|
| 48 | if (fd < 0)
|
|---|
| 49 | return;
|
|---|
| 50 | net_write(fd, buf, size);
|
|---|
| 51 | close(fd);
|
|---|
| 52 | }
|
|---|
| 53 |
|
|---|
| 54 | /*
|
|---|
| 55 | * Read all data from a filename, care about errors.
|
|---|
| 56 | */
|
|---|
| 57 |
|
|---|
| 58 | ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
|
|---|
| 59 | rk_undumpdata(const char *filename, void **buf, size_t *size)
|
|---|
| 60 | {
|
|---|
| 61 | struct stat sb;
|
|---|
| 62 | int fd, ret;
|
|---|
| 63 | ssize_t sret;
|
|---|
| 64 |
|
|---|
| 65 | *buf = NULL;
|
|---|
| 66 |
|
|---|
| 67 | fd = open(filename, O_RDONLY, 0);
|
|---|
| 68 | if (fd < 0)
|
|---|
| 69 | return errno;
|
|---|
| 70 | if (fstat(fd, &sb) != 0){
|
|---|
| 71 | ret = errno;
|
|---|
| 72 | goto out;
|
|---|
| 73 | }
|
|---|
| 74 | *buf = malloc(sb.st_size);
|
|---|
| 75 | if (*buf == NULL) {
|
|---|
| 76 | ret = ENOMEM;
|
|---|
| 77 | goto out;
|
|---|
| 78 | }
|
|---|
| 79 | *size = sb.st_size;
|
|---|
| 80 |
|
|---|
| 81 | sret = net_read(fd, *buf, *size);
|
|---|
| 82 | if (sret < 0)
|
|---|
| 83 | ret = errno;
|
|---|
| 84 | else if (sret != (ssize_t)*size) {
|
|---|
| 85 | ret = EINVAL;
|
|---|
| 86 | free(*buf);
|
|---|
| 87 | *buf = NULL;
|
|---|
| 88 | } else
|
|---|
| 89 | ret = 0;
|
|---|
| 90 |
|
|---|
| 91 | out:
|
|---|
| 92 | close(fd);
|
|---|
| 93 | return ret;
|
|---|
| 94 | }
|
|---|
