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-rw-r--r--src/fiasco.c162
-rw-r--r--src/main.c50
-rw-r--r--src/main.h7
3 files changed, 156 insertions, 63 deletions
diff --git a/src/fiasco.c b/src/fiasco.c
index d31c846..4bbb114 100644
--- a/src/fiasco.c
+++ b/src/fiasco.c
@@ -26,6 +26,37 @@
#include <arpa/inet.h>
#include "main.h"
+#if 0
+
+SPECS FOR TEH FIASCO FIRMWARE FILE FORMAT ffff!
+-----------------------------------------------
+
+FILE HEADER
+
+ 1 byte = 0xb4 -- signature
+ 4 bytes -- firmware name length (big endian)
+ 6 bytes -- versioning info ( byte 4 is format version )
+ N-6 bytes -- firmware name (zero fill)
+
+
+PIECE HEADER
+
+ 1 byte = 0x54 -- piece signature
+ 6 bytes -- unknown
+ 2 bytes -- checksum for the piece contents (xorpair)
+ 12 bytes -- piece name (first byte is FF if is the last)
+ 4 bytes -- piece size (big endian)
+ 4 bytes -- unknown
+ block {
+ 1 byte -- if (value '1'-'9') { ..there's a comment.. }
+ 1 byte -- length of comment
+ N bytes -- comment
+ }
+ N bytes -- piece data
+
+
+#endif
+
void (*fiasco_callback)(struct header_t *header) = NULL;
int openfiasco(char *name)
@@ -34,64 +65,60 @@ int openfiasco(char *name)
unsigned char buf[128];
unsigned char data[128];
unsigned int namelen;
+ off_t off;
int i;
- int fd = open(name, O_RDONLY);
+ header.fd = open(name, O_RDONLY);
- if (fd == -1) {
+ if (header.fd == -1) {
fprintf(stderr, "Cannot open %s\n", name);
return 1;
}
/* read header */
- read(fd, buf, 5);
+ read(header.fd, buf, 5);
if (buf[0] != 0xb4) {
printf("Invalid header\n");
- return close(fd);
+ return close(header.fd);
}
memcpy(&namelen,buf+1,4);
namelen = ntohl(namelen);
if (namelen>128) {
printf("Stupid length at header. Is this a joke?\n");
- return close(fd);
+ return close(header.fd);
}
memset(buf,'\0', 128);
- read(fd, buf, namelen);
- // 6 first bytes are unknown
- // buf 00 00 00 VERSION e8 0e
-// printf("6Bytes: %02x %02x %02x %02x %02x %02x\n",
-// buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
+ read(header.fd, buf, namelen);
+
printf("Fiasco version: %2d\n", buf[3]);
strcpy(header.fwname, buf+6);
- for(i=6;i<namelen;i+=strlen(buf+i)+1) {
+ for(i=6;i<namelen;i+=strlen(buf+i)+1)
printf("Name: %s\n", buf+i);
- }
/* walk the tree */
while(1) {
- if (read(fd, buf, 9)<9)
+ if (read(header.fd, buf, 9)<9)
break;
if (buf[0] != 0x54) { // 'T'
- printf("unexpected header at %d, found %02x %02x %02x\n",
- (int)lseek(fd, 0, SEEK_CUR),
+ printf("unexpected header at 0x%x, found %02x %02x %02x\n",
+ ((int)lseek(header.fd, 0, SEEK_CUR))-9,
buf[0], buf[1], buf[2]);
break;
}
header.hash = buf[7]<<8|buf[8];
- //printf("BYTE: %02x %02x %02x %02x %02x %02x\n",
- // buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]);
/* piece name */
memset(data, '\0', 13);
- if (read(fd, data, 12)<12)
+ if (read(header.fd, data, 12)<12)
break;
+
if (data[0] == 0xff) {
printf(" [eof]\n");
break;
} else printf(" %s\n", data);
strcpy(header.name, data);
- if (read(fd, buf, 9)<9)
+ if (read(header.fd, buf, 9)<9)
break;
memcpy(&header.size, buf,4);
header.size = ntohl(header.size);
@@ -102,85 +129,103 @@ int openfiasco(char *name)
/* XXX this is not ok */
//printf("BUF8: %02x\n", buf[8]);
while (buf[8] && buf[8]>'0' && buf[8] < '9') {
- if (read(fd, data, 1)<1)
+ if (read(header.fd, data, 1)<1)
break;
i = data[0];
- if (read(fd, data, i)<i)
+ if (read(header.fd, data, i)<i)
break;
if (data[0])
printf(" version: %s\n", data);
strcpy(header.version, data);
- if (read(fd, buf+8, 1)<1)
+ if (read(header.fd, buf+8, 1)<1)
break;
}
/* callback */
+ off = lseek(header.fd, 0, SEEK_CUR);
if (fiasco_callback != NULL) {
- header.data = (char *)malloc(header.size);
- if (header.data == NULL) {
- printf("Cannot alloc %d bytes\n", header.size);
- break;
- }
- read(fd, header.data, header.size);
fiasco_callback(&header);
free(header.data);
continue;
}
- lseek(fd, header.size, SEEK_CUR);
+ // XXX dup
+ lseek(header.fd, off, SEEK_SET);
+ lseek(header.fd, header.size, SEEK_CUR);
}
return 0;
}
-/* fiasco writer */
+void fiasco_data_read(struct header_t *header)
+{
+ header->data = (char *)malloc(header->size);
+ if (header->data == NULL) {
+ printf("Cannot alloc %d bytes\n", header->size);
+ return;
+ }
+ read(header->fd, header->data, header->size);
+}
+/* fiasco writer */
int fiasco_new(const char *filename, const char *name)
{
int fd;
- int len = htonl(strlen(name));
- fd = open(filename, O_RDWR|O_CREAT);
+ int len = htonl(strlen(name)+1+6);
+ fd = open(filename, O_RDWR|O_CREAT, 0644);
if (fd == -1)
return -1;
write(fd, "\xb4", 1);
write(fd, &len, 4);
/* version header */
write(fd, "\x00\x00\x00\x02\xe8\x0e", 6);
+ /* firmware name */
write(fd, name, strlen(name)+1);
return fd;
}
int fiasco_add_eof(int fd)
{
- unsigned char buf[32];
+ unsigned char buf[120];
if (fd == -1)
return -1;
- memset(buf,'\xff', 32);
- write(fd, buf, 32);
+ memset(buf,'\xff', 120);
+ write(fd, buf, 120);
return 0;
}
+
int fiasco_add(int fd, const char *name, const char *file, const char *version)
{
- int gd;
+ int gd,ret;
unsigned int sz;
unsigned char len;
unsigned short hash;
unsigned char *ptr = &hash;
- char bname[13];
+ char buf[4096];
+ char bname[32];
if (fd == -1)
return -1;
+ if (file == NULL)
+ return -1;
gd = open(file, O_RDONLY);
if (gd == -1)
return -1;
+
sz = htonl((unsigned int) lseek(gd, 0, SEEK_END));
+ lseek(gd, 0, SEEK_SET);
// 4 bytes big endian
write(fd, "T\x02\x2e\x19\x01\x01\x00", 7); // header?
/* checksum */
hash = do_hash_file(file);
ptr[0]^=ptr[1]; ptr[1]=ptr[0]^ptr[1]; ptr[0]^=ptr[1];
- write(fd, hash, 2);
+ write(fd, &hash, 2);
+ printf("hash: %04x\n", hash);
memset(bname, '\0', 13);
- strncpy(bname, name, 12);
+ if (name == NULL)
+ strncpy(bname, file, 12);
+ else
+ strncpy(bname, name, 12);
+ write(fd, bname, 12);
write(fd, &sz, 4);
if (version) {
@@ -194,16 +239,53 @@ int fiasco_add(int fd, const char *name, const char *file, const char *version)
} else {
write(fd, "\x00\x00\x00\x00\x9b", 5);
}
+
+ while(1) {
+ ret = read(gd, buf, 4096);
+ if (ret<1)
+ break;
+ write(fd, buf, ret);
+ }
+
return 0;
}
+int fiasco_pack(int optind, char *argv[])
+{
+ char *file = argv[optind];
+ char *type;
+ int fd, ret;
+
+ fd = fiasco_new(file, file); // TODO use a format here
+ if (fd == -1)
+ return 1;
+
+ printf("Package: %s\n", file);
+ while((file=argv[++optind])) {
+ type = fpid_file(file);
+ printf("Adding %s: %s..\n", type, file);
+ ret = fiasco_add(fd, type, file, NULL);
+ if (ret<0) {
+ printf("Error\n");
+ close(fd);
+ return 1;
+ }
+ }
+ fiasco_add_eof(fd);
+ printf("Done!\n");
+ close(fd);
+ return 0;
+}
/* local code */
#if 0
-void my_callback(struct header_t *header)
+void my_callback(int fd, struct header_t *header)
{
+ fiasco_data_read(header);
+ //read(fd, buf, header->size);
printf("Dumping %s\n", header->name);
printf("DATA: %02x\n", header->data[0]);
+ fiasco_data_free(header);
}
int main(int argc, char **argv)
diff --git a/src/main.c b/src/main.c
index 1022e78..6ac127e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -73,28 +73,29 @@ void show_usage()
{
int i;
show_title();
- printf(" -b [arg] boots the kernel with arguments\n");
- printf(" -c console prompt mode\n");
- printf(" -C [/dev/mtd] check bad blocks on mtd\n");
- printf(" -d [vid:pid] injects a usb device into the supported list\n");
- printf(" -D [0|1|2] sets the root device to flash (0), mmc (1) or usb (2)\n");
- printf(" -e [path] dump and extract pieces to path\n");
- printf(" -f <flags> set the given RD flags (see '-f help')\n");
- printf(" -F [fiasco] flash a fiasco firmware image\n");
- printf(" -h show this help message\n");
- printf(" -H [file] calculate hash for file\n");
- printf(" -i show device information (let standby mode)\n");
- printf(" -I [piece] identify a firmware piece\n");
- printf(" -l, -L list supported usb device ids\n");
+ printf(" -b [arg] boots the kernel with arguments\n");
+ printf(" -c console prompt mode\n");
+ printf(" -C [/dev/mtd] check bad blocks on mtd\n");
+ printf(" -d [vid:pid] injects a usb device into the supported list\n");
+ printf(" -D [0|1|2] sets the root device to flash (0), mmc (1) or usb (2)\n");
+ printf(" -e [path] dump and extract pieces to path\n");
+ printf(" -f <flags> set the given RD flags (see '-f help')\n");
+ printf(" -F [fiasco] flash a fiasco firmware image\n");
+ printf(" -h show this help message\n");
+ printf(" -H [file] calculate hash for file\n");
+ printf(" -i show device information (let standby mode)\n");
+ printf(" -I [piece] identify a firmware piece\n");
+ printf(" -l, -L list supported usb device ids\n");
printf(" -p [[p%%]file] piece-of-firmware %% file-where-this-piece-is\n");
- printf(" -r [0|1] disable/enable R&D mode\n");
- printf(" -R reboot the omap board\n");
- printf(" -s [serial] serial port console (minicom like terminal)\n");
- printf(" -u [fiasco] unpack target fiasco image\n");
- printf(" -U [0|1] disable/enable the usb host mode\n");
- printf(" -v be verbose and noisy\n");
- printf(" -V show 0xFFFF version information\n");
- printf(" -x extract configuration entries from /dev/mtd1\n");
+ printf(" -P [new-fiasco] creates a new fiasco package, pieces as arguments\n");
+ printf(" -r [0|1] disable/enable R&D mode\n");
+ printf(" -R reboot the omap board\n");
+ printf(" -s [serial] serial port console (minicom like terminal)\n");
+ printf(" -u [fiasco] unpack target fiasco image\n");
+ printf(" -U [0|1] disable/enable the usb host mode\n");
+ printf(" -v be verbose and noisy\n");
+ printf(" -V show 0xFFFF version information\n");
+ printf(" -x extract configuration entries from /dev/mtd1\n");
printf("Pieces are: ");
for(i=0;pieces[i];i++) printf("%s ", pieces[i]); printf("\n");
// serial port support is not yet done (cold flash is for flashing the 8kB nand)
@@ -111,6 +112,7 @@ void unpack_callback(struct header_t *header)
printf("Cannot open file.\n");
return;
}
+ fiasco_data_read(header);
fwrite(header->data, header->size, 1, fd);
fclose(fd);
}
@@ -208,7 +210,7 @@ int main(int argc, char **argv)
{
int c;
- while((c = getopt(argc, argv, "C:cp:vVhRu:ib:U:r:e:Lld:I:D:f:F:s:xH:")) != -1) {
+ while((c = getopt(argc, argv, "C:cp:PvVhRu:ib:U:r:e:Lld:I:D:f:F:s:xH:")) != -1) {
switch(c) {
case 'H':
printf("xorpair: %04x\n", do_hash_file(optarg));
@@ -260,6 +262,8 @@ int main(int argc, char **argv)
case 'p':
add_piece(optarg);
break;
+ case 'P':
+ return fiasco_pack(optind, argv);
case 'L':
case 'l':
list_valid_devices();
@@ -305,7 +309,7 @@ int main(int argc, char **argv)
{
printf("0xFFFF [-chiLRvVx] [-C mtd-dev] [-d vid:pid] [-D 0|1|2] [-e path] [-f flags]\n");
printf(" [-F fiasco] [-H hash-file] [-I piece] [-p [piece%%]file]] [-r 0|1]\n");
- printf(" [-s serial-dev] [-u fiasco-image] [-U 0|1]\n");
+ printf(" [-s serial-dev] [-u fiasco-image] [-U 0|1] | [-P new-fiasco] [piece1] [2] ..\n");
return 1;
}
diff --git a/src/main.h b/src/main.h
index d6dd46d..c9535f3 100644
--- a/src/main.h
+++ b/src/main.h
@@ -78,8 +78,15 @@ extern char *modes[];
extern char *root_devices[];
// fiasco
+int openfiasco(char *name);
+int fiasco_new(const char *filename, const char *name);
+void fiasco_data_read(struct header_t *header);
+int fiasco_add_eof(int fd);
extern void (*fiasco_callback)(struct header_t *header);
+int fiasco_add(int fd, const char *name, const char *file, const char *version);
+int fiasco_pack(int optind, char *argv[]);
struct header_t {
+ int fd;
char fwname[128];
char name[128];
char version[128];