mkbootfs.c revision f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14
1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <unistd.h> 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 6f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker#include <ctype.h> 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/types.h> 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/stat.h> 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <dirent.h> 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdarg.h> 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <fcntl.h> 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <private/android_filesystem_config.h> 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* NOTES 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** - see buffer-format.txt from the linux kernel docs for 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** an explanation of this file format 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** - dotfiles are ignored 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** - directories named 'root' are ignored 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** - device notes, pipes, etc are not supported (error) 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid die(const char *why, ...) 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project va_list ap; 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project va_start(ap, why); 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"error: "); 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project vfprintf(stderr, why, ap); 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"\n"); 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project va_end(ap); 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 38f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongkerstruct fs_config_entry { 39f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker char* name; 40f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker int uid, gid, mode; 41f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker}; 42f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 43f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongkerstatic struct fs_config_entry* canned_config = NULL; 44f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 45f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker/* Each line in the canned file should be a path plus three ints (uid, 46f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker * gid, mode). */ 47f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker#define CANNED_LINE_LENGTH (PATH_MAX+100) 48f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int verbose = 0; 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int total_size = 0; 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void fix_stat(const char *path, struct stat *s) 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 54f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (canned_config) { 55f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // Use the list of file uid/gid/modes loaded from the file 56f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // given with -f. 57f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 58f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* empty_path_config = NULL; 59f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* p; 60f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker for (p = canned_config; p->name; ++p) { 61f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (!p->name[0]) { 62f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker empty_path_config = p; 63f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 64f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (strcmp(p->name, path) == 0) { 65f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_uid = p->uid; 66f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_gid = p->gid; 67f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_mode = p->mode | (s->st_mode & ~07777); 68f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker return; 69f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 70f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 71f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_uid = empty_path_config->uid; 72f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_gid = empty_path_config->gid; 73f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_mode = empty_path_config->mode | (s->st_mode & ~07777); 74f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } else { 75f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // Use the compiled-in fs_config() function. 76f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 77f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker fs_config(path, S_ISDIR(s->st_mode), &s->st_uid, &s->st_gid, &s->st_mode); 78f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize) 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // Nothing is special about this value, just picked something in the 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // approximate range that was being used already, and avoiding small 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // values which may be special. 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project static unsigned next_inode = 300000; 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 3) { 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fix_stat(out, s); 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project// fprintf(stderr, "_eject %s: mode=0%o\n", out, s->st_mode); 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("%06x%08x%08x%08x%08x%08x%08x" 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project "%08x%08x%08x%08x%08x%08x%08x%s%c", 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x070701, 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project next_inode++, // s.st_ino, 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project s->st_mode, 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_uid, 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_gid, 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1, // s.st_nlink, 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_mtime, 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project datasize, 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // volmajor 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // volminor 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // devmajor 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // devminor, 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project olen + 1, 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out, 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ); 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size += 6 + 8*13 + olen + 1; 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 118f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if(strlen(out) != (unsigned int)olen) die("ACK!"); 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 120dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 3) { 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(datasize) { 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fwrite(data, datasize, 1, stdout); 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size += datasize; 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _eject_trailer() 132dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat s; 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&s, 0, sizeof(s)); 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, "TRAILER!!!", 10, 0, 0); 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 0xff) { 138dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 140dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive(char *in, char *out, int ilen, int olen); 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int compare(const void* a, const void* b) { 146dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return strcmp(*(const char**)a, *(const char**)b); 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 148dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive_dir(char *in, char *out, int ilen, int olen) 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int i, t; 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project DIR *d; 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct dirent *de; 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(verbose) { 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"_archive_dir('%s','%s',%d,%d)\n", 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in, out, ilen, olen); 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project d = opendir(in); 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(d == 0) die("cannot open directory '%s'", in); 162dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int size = 32; 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int entries = 0; 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char** names = malloc(size * sizeof(char*)); 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names == NULL) { 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to allocate dir names array (size %d)\n", size); 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 169dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 170dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 171dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while((de = readdir(d)) != 0){ 172dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* xxx: feature? maybe some dotfiles are okay */ 173dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(de->d_name[0] == '.') continue; 174dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 175dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* xxx: hack. use a real exclude list */ 176dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(de->d_name, "root")) continue; 177dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 178dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (entries >= size) { 179dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size *= 2; 180dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project names = realloc(names, size * sizeof(char*)); 181dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names == NULL) { 182dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to reallocate dir names array (size %d)\n", 183dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size); 184dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 185dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 186dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 187dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project names[entries] = strdup(de->d_name); 188dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names[entries] == NULL) { 189dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to strdup name \"%s\"\n", 190dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project de->d_name); 191dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 192dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 193dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ++entries; 194dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 195dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 196dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project qsort(names, entries, sizeof(char*), compare); 197dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 198dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i < entries; ++i) { 199dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t = strlen(names[i]); 200dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in[ilen] = '/'; 201dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(in + ilen + 1, names[i], t + 1); 202dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 203dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(olen > 0) { 204dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out[olen] = '/'; 205dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(out + olen + 1, names[i], t + 1); 206dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive(in, out, ilen + t + 1, olen + t + 1); 207dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 208dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(out, names[i], t + 1); 209dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive(in, out, ilen + t + 1, t); 210dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 211dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 212dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in[ilen] = 0; 213dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out[olen] = 0; 214dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 215dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(names[i]); 216dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 217dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(names); 218dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 219dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 220dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive(char *in, char *out, int ilen, int olen) 221dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 222dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat s; 223dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 224dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(verbose) { 225dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"_archive('%s','%s',%d,%d)\n", 226dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in, out, ilen, olen); 227dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 228dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 229dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(lstat(in, &s)) die("could not stat '%s'\n", in); 230dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 231dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(S_ISREG(s.st_mode)){ 232dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *tmp; 233dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; 234dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 235dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = open(in, O_RDONLY); 236dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd < 0) die("cannot open '%s' for read", in); 237dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 238dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project tmp = (char*) malloc(s.st_size); 239dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(tmp == 0) die("cannot allocate %d bytes", s.st_size); 240dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 241dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(read(fd, tmp, s.st_size) != s.st_size) { 242dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project die("cannot read %d bytes", s.st_size); 243dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 244dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 245dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, tmp, s.st_size); 246dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 247dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(tmp); 248dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 249dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if(S_ISDIR(s.st_mode)) { 250dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, 0, 0); 251dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive_dir(in, out, ilen, olen); 252dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if(S_ISLNK(s.st_mode)) { 253dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char buf[1024]; 254dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int size; 255dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size = readlink(in, buf, 1024); 256dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(size < 0) die("cannot read symlink '%s'", in); 257dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, buf, size); 258dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 259dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project die("Unknown '%s' (mode %d)?\n", in, s.st_mode); 260dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 261dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 262dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 263dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid archive(const char *start, const char *prefix) 264dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 265dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char in[8192]; 266dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char out[8192]; 267dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 268dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcpy(in, start); 269dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcpy(out, prefix); 270dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 271dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive_dir(in, out, strlen(in), strlen(out)); 272dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 273dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 274f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongkerstatic void read_canned_config(char* filename) 275f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker{ 276f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker int allocated = 8; 277f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker int used = 0; 278f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 279f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = 280f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker (struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry)); 281f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 282f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker char line[CANNED_LINE_LENGTH]; 283f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker FILE* f = fopen(filename, "r"); 284f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (f == NULL) die("failed to open canned file"); 285f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 286f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) { 287f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (!line[0]) break; 288f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (used >= allocated) { 289f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker allocated *= 2; 290f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = (struct fs_config_entry*)realloc( 291f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config, allocated * sizeof(struct fs_config_entry)); 292f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 293f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 294f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* cc = canned_config + used; 295f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 296f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (isspace(line[0])) { 297f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->name = strdup(""); 298f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->uid = atoi(strtok(line, " \n")); 299f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } else { 300f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->name = strdup(strtok(line, " \n")); 301f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->uid = atoi(strtok(NULL, " \n")); 302f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 303f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->gid = atoi(strtok(NULL, " \n")); 304f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->mode = strtol(strtok(NULL, " \n"), NULL, 8); 305f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker ++used; 306f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 307f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (used >= allocated) { 308f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker ++allocated; 309f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = (struct fs_config_entry*)realloc( 310f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config, allocated * sizeof(struct fs_config_entry)); 311f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 312f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config[used].name = NULL; 313f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 314f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker fclose(f); 315f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker} 316f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 317f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 318dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint main(int argc, char *argv[]) 319dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 320dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argc--; 321dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv++; 322dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 323f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (argc > 1 && strcmp(argv[0], "-f") == 0) { 324f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker read_canned_config(argv[1]); 325f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker argc -= 2; 326f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker argv += 2; 327f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 328f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 329dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(argc == 0) die("no directories to process?!"); 330dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 331dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(argc-- > 0){ 332dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *x = strchr(*argv, '='); 333dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(x != 0) { 334dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *x++ = 0; 335dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 336dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = ""; 337dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 338dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 339dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project archive(*argv, x); 340dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 341dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv++; 342dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 343dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 344dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject_trailer(); 345dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 346dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 347dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 348