diff options
Diffstat (limited to 'src/ipaccess/ipaccess-firmware.c')
| -rw-r--r-- | src/ipaccess/ipaccess-firmware.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/src/ipaccess/ipaccess-firmware.c b/src/ipaccess/ipaccess-firmware.c deleted file mode 100644 index 5f55bb526..000000000 --- a/src/ipaccess/ipaccess-firmware.c +++ /dev/null @@ -1,135 +0,0 @@ -/* Routines for parsing an ipacces SDP firmware file */ - -/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include <openbsc/debug.h> -#include <openbsc/ipaccess.h> -#include <osmocom/core/talloc.h> - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#define PART_LENGTH 138 - -osmo_static_assert(sizeof(struct sdp_header_entry) == 138, right_entry); -osmo_static_assert(sizeof(struct sdp_firmware) == 158, _right_header_length); - -/* more magic, the second "int" in the header */ -static char more_magic[] = { 0x10, 0x02 }; - -int ipaccess_analyze_file(int fd, const unsigned int st_size, const unsigned int base_offset, struct llist_head *list) -{ - struct sdp_firmware *firmware_header = 0; - struct sdp_header *header; - char buf[4096]; - int rc, i; - uint16_t table_size; - uint16_t table_offset; - off_t table_start; - - - rc = read(fd, buf, sizeof(*firmware_header)); - if (rc < 0) { - perror("Can not read header start."); - return -1; - } - - firmware_header = (struct sdp_firmware *) &buf[0]; - if (strncmp(firmware_header->magic, " SDP", 4) != 0) { - fprintf(stderr, "Wrong magic.\n"); - return -1; - } - - if (memcmp(firmware_header->more_magic, more_magic, 2) != 0) { - fprintf(stderr, "Wrong more magic. Got: 0x%x 0x%x vs. 0x%x 0x%x\n", - firmware_header->more_magic[0] & 0xff, firmware_header->more_magic[1] & 0xff, - more_magic[0], more_magic[1]); - return -1; - } - - - if (ntohl(firmware_header->file_length) != st_size) { - fprintf(stderr, "The filesize and the header do not match.\n"); - return -1; - } - - /* add the firmware */ - header = talloc_zero(list, struct sdp_header); - header->firmware_info = *firmware_header; - INIT_LLIST_HEAD(&header->header_list); - llist_add(&header->entry, list); - - table_offset = ntohs(firmware_header->table_offset); - table_start = lseek(fd, table_offset, SEEK_CUR); - if (table_start == -1) { - fprintf(stderr, "Failed to seek to the rel position: 0x%x\n", table_offset); - return -1; - } - - if (read(fd, &table_size, sizeof(table_size)) != sizeof(table_size)) { - fprintf(stderr, "The table size could not be read.\n"); - return -1; - } - - table_size = ntohs(table_size); - - if (table_size % PART_LENGTH != 0) { - fprintf(stderr, "The part length seems to be wrong: 0x%x\n", table_size); - return -1; - } - - /* look into each firmware now */ - for (i = 0; i < table_size / PART_LENGTH; ++i) { - struct sdp_header_entry entry; - struct sdp_header_item *header_entry; - unsigned int offset = table_start + 2; - offset += i * 138; - - if (lseek(fd, offset, SEEK_SET) != offset) { - fprintf(stderr, "Can not seek to the offset: %u.\n", offset); - return -1; - } - - rc = read(fd, &entry, sizeof(entry)); - if (rc != sizeof(entry)) { - fprintf(stderr, "Can not read the header entry.\n"); - return -1; - } - - header_entry = talloc_zero(header, struct sdp_header_item); - header_entry->header_entry = entry; - header_entry->absolute_offset = base_offset; - llist_add(&header_entry->entry, &header->header_list); - - /* now we need to find the SDP file... */ - offset = ntohl(entry.start) + 4 + base_offset; - if (lseek(fd, offset, SEEK_SET) != offset) { - perror("can't seek to sdp"); - return -1; - } - - - ipaccess_analyze_file(fd, ntohl(entry.length), offset, list); - } - - return 0; -} - |