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-rw-r--r--mkbootfs/mkbootfs.c368
1 files changed, 0 insertions, 368 deletions
diff --git a/mkbootfs/mkbootfs.c b/mkbootfs/mkbootfs.c
deleted file mode 100644
index 58153f3f5..000000000
--- a/mkbootfs/mkbootfs.c
+++ /dev/null
@@ -1,368 +0,0 @@
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-
-#include <stdarg.h>
-#include <fcntl.h>
-
-#include <private/android_filesystem_config.h>
-#include <private/fs_config.h>
-
-/* NOTES
-**
-** - see buffer-format.txt from the linux kernel docs for
-** an explanation of this file format
-** - dotfiles are ignored
-** - directories named 'root' are ignored
-** - device notes, pipes, etc are not supported (error)
-*/
-
-void die(const char *why, ...)
-{
- va_list ap;
-
- va_start(ap, why);
- fprintf(stderr,"error: ");
- vfprintf(stderr, why, ap);
- fprintf(stderr,"\n");
- va_end(ap);
- exit(1);
-}
-
-struct fs_config_entry {
- char* name;
- int uid, gid, mode;
-};
-
-static struct fs_config_entry* canned_config = NULL;
-static char *target_out_path = NULL;
-
-/* Each line in the canned file should be a path plus three ints (uid,
- * gid, mode). */
-#ifdef PATH_MAX
-#define CANNED_LINE_LENGTH (PATH_MAX+100)
-#else
-#define CANNED_LINE_LENGTH (1024)
-#endif
-
-#define TRAILER "TRAILER!!!"
-
-static int verbose = 0;
-static int total_size = 0;
-
-static void fix_stat(const char *path, struct stat *s)
-{
- uint64_t capabilities;
- if (canned_config) {
- // Use the list of file uid/gid/modes loaded from the file
- // given with -f.
-
- struct fs_config_entry* empty_path_config = NULL;
- struct fs_config_entry* p;
- for (p = canned_config; p->name; ++p) {
- if (!p->name[0]) {
- empty_path_config = p;
- }
- if (strcmp(p->name, path) == 0) {
- s->st_uid = p->uid;
- s->st_gid = p->gid;
- s->st_mode = p->mode | (s->st_mode & ~07777);
- return;
- }
- }
- s->st_uid = empty_path_config->uid;
- s->st_gid = empty_path_config->gid;
- s->st_mode = empty_path_config->mode | (s->st_mode & ~07777);
- } else {
- // Use the compiled-in fs_config() function.
- unsigned st_mode = s->st_mode;
- int is_dir = S_ISDIR(s->st_mode) || strcmp(path, TRAILER) == 0;
- fs_config(path, is_dir, target_out_path, &s->st_uid, &s->st_gid, &st_mode, &capabilities);
- s->st_mode = (typeof(s->st_mode)) st_mode;
- }
-}
-
-static void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize)
-{
- // Nothing is special about this value, just picked something in the
- // approximate range that was being used already, and avoiding small
- // values which may be special.
- static unsigned next_inode = 300000;
-
- while(total_size & 3) {
- total_size++;
- putchar(0);
- }
-
- fix_stat(out, s);
-// fprintf(stderr, "_eject %s: mode=0%o\n", out, s->st_mode);
-
- printf("%06x%08x%08x%08x%08x%08x%08x"
- "%08x%08x%08x%08x%08x%08x%08x%s%c",
- 0x070701,
- next_inode++, // s.st_ino,
- s->st_mode,
- 0, // s.st_uid,
- 0, // s.st_gid,
- 1, // s.st_nlink,
- 0, // s.st_mtime,
- datasize,
- 0, // volmajor
- 0, // volminor
- 0, // devmajor
- 0, // devminor,
- olen + 1,
- 0,
- out,
- 0
- );
-
- total_size += 6 + 8*13 + olen + 1;
-
- if(strlen(out) != (unsigned int)olen) die("ACK!");
-
- while(total_size & 3) {
- total_size++;
- putchar(0);
- }
-
- if(datasize) {
- fwrite(data, datasize, 1, stdout);
- total_size += datasize;
- }
-}
-
-static void _eject_trailer()
-{
- struct stat s;
- memset(&s, 0, sizeof(s));
- _eject(&s, TRAILER, 10, 0, 0);
-
- while(total_size & 0xff) {
- total_size++;
- putchar(0);
- }
-}
-
-static void _archive(char *in, char *out, int ilen, int olen);
-
-static int compare(const void* a, const void* b) {
- return strcmp(*(const char**)a, *(const char**)b);
-}
-
-static void _archive_dir(char *in, char *out, int ilen, int olen)
-{
- int i, t;
- DIR *d;
- struct dirent *de;
-
- if(verbose) {
- fprintf(stderr,"_archive_dir('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- d = opendir(in);
- if(d == 0) die("cannot open directory '%s'", in);
-
- int size = 32;
- int entries = 0;
- char** names = malloc(size * sizeof(char*));
- if (names == NULL) {
- fprintf(stderr, "failed to allocate dir names array (size %d)\n", size);
- exit(1);
- }
-
- while((de = readdir(d)) != 0){
- /* xxx: feature? maybe some dotfiles are okay */
- if(de->d_name[0] == '.') continue;
-
- /* xxx: hack. use a real exclude list */
- if(!strcmp(de->d_name, "root")) continue;
-
- if (entries >= size) {
- size *= 2;
- names = realloc(names, size * sizeof(char*));
- if (names == NULL) {
- fprintf(stderr, "failed to reallocate dir names array (size %d)\n",
- size);
- exit(1);
- }
- }
- names[entries] = strdup(de->d_name);
- if (names[entries] == NULL) {
- fprintf(stderr, "failed to strdup name \"%s\"\n",
- de->d_name);
- exit(1);
- }
- ++entries;
- }
-
- qsort(names, entries, sizeof(char*), compare);
-
- for (i = 0; i < entries; ++i) {
- t = strlen(names[i]);
- in[ilen] = '/';
- memcpy(in + ilen + 1, names[i], t + 1);
-
- if(olen > 0) {
- out[olen] = '/';
- memcpy(out + olen + 1, names[i], t + 1);
- _archive(in, out, ilen + t + 1, olen + t + 1);
- } else {
- memcpy(out, names[i], t + 1);
- _archive(in, out, ilen + t + 1, t);
- }
-
- in[ilen] = 0;
- out[olen] = 0;
-
- free(names[i]);
- }
- free(names);
-
- closedir(d);
-}
-
-static void _archive(char *in, char *out, int ilen, int olen)
-{
- struct stat s;
-
- if(verbose) {
- fprintf(stderr,"_archive('%s','%s',%d,%d)\n",
- in, out, ilen, olen);
- }
-
- if(lstat(in, &s)) die("could not stat '%s'\n", in);
-
- if(S_ISREG(s.st_mode)){
- char *tmp;
- int fd;
-
- fd = open(in, O_RDONLY);
- if(fd < 0) die("cannot open '%s' for read", in);
-
- tmp = (char*) malloc(s.st_size);
- if(tmp == 0) die("cannot allocate %d bytes", s.st_size);
-
- if(read(fd, tmp, s.st_size) != s.st_size) {
- die("cannot read %d bytes", s.st_size);
- }
-
- _eject(&s, out, olen, tmp, s.st_size);
-
- free(tmp);
- close(fd);
- } else if(S_ISDIR(s.st_mode)) {
- _eject(&s, out, olen, 0, 0);
- _archive_dir(in, out, ilen, olen);
- } else if(S_ISLNK(s.st_mode)) {
- char buf[1024];
- int size;
- size = readlink(in, buf, 1024);
- if(size < 0) die("cannot read symlink '%s'", in);
- _eject(&s, out, olen, buf, size);
- } else {
- die("Unknown '%s' (mode %d)?\n", in, s.st_mode);
- }
-}
-
-void archive(const char *start, const char *prefix)
-{
- char in[8192];
- char out[8192];
-
- strcpy(in, start);
- strcpy(out, prefix);
-
- _archive_dir(in, out, strlen(in), strlen(out));
-}
-
-static void read_canned_config(char* filename)
-{
- int allocated = 8;
- int used = 0;
-
- canned_config =
- (struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry));
-
- char line[CANNED_LINE_LENGTH];
- FILE* f = fopen(filename, "r");
- if (f == NULL) die("failed to open canned file");
-
- while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) {
- if (!line[0]) break;
- if (used >= allocated) {
- allocated *= 2;
- canned_config = (struct fs_config_entry*)realloc(
- canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
- }
-
- struct fs_config_entry* cc = canned_config + used;
-
- if (isspace(line[0])) {
- cc->name = strdup("");
- cc->uid = atoi(strtok(line, " \n"));
- } else {
- cc->name = strdup(strtok(line, " \n"));
- cc->uid = atoi(strtok(NULL, " \n"));
- }
- cc->gid = atoi(strtok(NULL, " \n"));
- cc->mode = strtol(strtok(NULL, " \n"), NULL, 8);
- ++used;
- }
- if (used >= allocated) {
- ++allocated;
- canned_config = (struct fs_config_entry*)realloc(
- canned_config, allocated * sizeof(struct fs_config_entry));
- if (canned_config == NULL) die("failed to reallocate memory");
- }
- canned_config[used].name = NULL;
-
- fclose(f);
-}
-
-
-int main(int argc, char *argv[])
-{
- argc--;
- argv++;
-
- if (argc > 1 && strcmp(argv[0], "-d") == 0) {
- target_out_path = argv[1];
- argc -= 2;
- argv += 2;
- }
-
- if (argc > 1 && strcmp(argv[0], "-f") == 0) {
- read_canned_config(argv[1]);
- argc -= 2;
- argv += 2;
- }
-
- if(argc == 0) die("no directories to process?!");
-
- while(argc-- > 0){
- char *x = strchr(*argv, '=');
- if(x != 0) {
- *x++ = 0;
- } else {
- x = "";
- }
-
- archive(*argv, x);
-
- argv++;
- }
-
- _eject_trailer();
-
- return 0;
-}
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