ipa-firmware: Write the firmware parts to a file
The first non working version to dump the content of the sdp
to the terminal..
diff --git a/openbsc/src/ipaccess/ipaccess-config.c b/openbsc/src/ipaccess/ipaccess-config.c
index ad20e67..33dd82a 100644
--- a/openbsc/src/ipaccess/ipaccess-config.c
+++ b/openbsc/src/ipaccess/ipaccess-config.c
@@ -57,6 +57,7 @@
static char *software = NULL;
static int sw_load_state = 0;
static int oml_state = 0;
+static int dump_files = 0;
struct sw_load {
u_int8_t file_id[255];
@@ -475,6 +476,49 @@
return 0;
}
+static void dump_entry(struct sdp_header_item *sub_entry, int part, int fd)
+{
+ int out_fd;
+ int copied;
+ char filename[4096];
+ off_t target;
+
+ if (!dump_files)
+ return;
+
+ if (sub_entry->header_entry.something1 == 0)
+ return;
+
+ snprintf(filename, sizeof(filename), "part.%d", part++);
+ out_fd = open(filename, O_WRONLY | O_CREAT, 0660);
+ if (out_fd < 0) {
+ perror("Can not dump firmware");
+ return;
+ }
+
+ target = sub_entry->absolute_offset;
+ if (lseek(fd, target, SEEK_SET) != target) {
+ perror("seek failed");
+ close(out_fd);
+ return;
+ }
+
+ for (copied = 0; copied < ntohl(sub_entry->header_entry.length); ++copied) {
+ char c;
+ if (read(fd, &c, sizeof(c)) != sizeof(c)) {
+ perror("copy failed");
+ break;
+ }
+
+ if (write(out_fd, &c, sizeof(c)) != sizeof(c)) {
+ perror("write failed");
+ break;
+ }
+ }
+
+ close(out_fd);
+}
+
static void analyze_firmware(const char *filename)
{
struct stat stat;
@@ -483,6 +527,7 @@
struct llist_head *entry;
int fd;
void *tall_firm_ctx = 0;
+ int part = 0;
entry = talloc_zero(tall_firm_ctx, struct llist_head);
INIT_LLIST_HEAD(entry);
@@ -501,10 +546,6 @@
}
ipaccess_analyze_file(fd, stat.st_size, 0, entry);
- if (close(fd) != 0) {
- perror("Close failed.\n");
- return;
- }
llist_for_each_entry(header, entry, entry) {
printf("Printing header information:\n");
@@ -530,11 +571,19 @@
printf("\taddr1: 0x%x\n", ntohl(sub_entry->header_entry.addr1));
printf("\taddr2: 0x%x\n", ntohl(sub_entry->header_entry.addr2));
printf("\tstart: 0x%x\n", ntohl(sub_entry->header_entry.start));
+ printf("\tabs. offset: 0x%lx\n", sub_entry->absolute_offset);
printf("\n\n");
+
+ dump_entry(sub_entry, part++, fd);
}
printf("\n\n");
}
+ if (close(fd) != 0) {
+ perror("Close failed.\n");
+ return;
+ }
+
talloc_free(tall_firm_ctx);
}
@@ -554,6 +603,7 @@
printf(" -s --stream-id ID\n");
printf(" -d --software firmware\n");
printf(" -f --firmware firmware Provide firmware information\n");
+ printf(" -w --write-firmware. This will dump the firmware parts to the filesystem. Use with -f.\n");
}
int main(int argc, char **argv)
@@ -587,9 +637,10 @@
{ "stream-id", 1, 0, 's' },
{ "software", 1, 0, 'd' },
{ "firmware", 1, 0, 'f' },
+ { "write-firmware", 0, 0, 'w' },
};
- c = getopt_long(argc, argv, "u:o:rn:l:hs:d:f:", long_options,
+ c = getopt_long(argc, argv, "u:o:rn:l:hs:d:f:w", long_options,
&option_index);
if (c == -1)
@@ -628,6 +679,9 @@
case 'f':
analyze_firmware(optarg);
exit(0);
+ case 'w':
+ dump_files = 1;
+ break;
case 'h':
print_usage();
print_help();