mkbootfs.c revision e9e74f3c881bd73bd86be4db8b12200a61f143e1
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). */ 47a865f6d85a52d0a77d1aef8d5fb5bece08e3b246Doug Zongker#ifdef PATH_MAX 48f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker#define CANNED_LINE_LENGTH (PATH_MAX+100) 49a865f6d85a52d0a77d1aef8d5fb5bece08e3b246Doug Zongker#else 50a865f6d85a52d0a77d1aef8d5fb5bece08e3b246Doug Zongker#define CANNED_LINE_LENGTH (1024) 51a865f6d85a52d0a77d1aef8d5fb5bece08e3b246Doug Zongker#endif 52f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int verbose = 0; 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int total_size = 0; 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void fix_stat(const char *path, struct stat *s) 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 58e9e74f3c881bd73bd86be4db8b12200a61f143e1Nick Kralevich uint64_t capabilities; 59f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (canned_config) { 60f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // Use the list of file uid/gid/modes loaded from the file 61f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // given with -f. 62f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 63f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* empty_path_config = NULL; 64f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* p; 65f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker for (p = canned_config; p->name; ++p) { 66f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (!p->name[0]) { 67f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker empty_path_config = p; 68f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 69f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (strcmp(p->name, path) == 0) { 70f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_uid = p->uid; 71f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_gid = p->gid; 72f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_mode = p->mode | (s->st_mode & ~07777); 73f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker return; 74f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 75f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 76f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_uid = empty_path_config->uid; 77f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_gid = empty_path_config->gid; 78f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker s->st_mode = empty_path_config->mode | (s->st_mode & ~07777); 79f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } else { 80f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker // Use the compiled-in fs_config() function. 81f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 82e9e74f3c881bd73bd86be4db8b12200a61f143e1Nick Kralevich fs_config(path, S_ISDIR(s->st_mode), &s->st_uid, &s->st_gid, &s->st_mode, &capabilities); 83f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _eject(struct stat *s, char *out, int olen, char *data, unsigned datasize) 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // Nothing is special about this value, just picked something in the 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // approximate range that was being used already, and avoiding small 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // values which may be special. 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project static unsigned next_inode = 300000; 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 3) { 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fix_stat(out, s); 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project// fprintf(stderr, "_eject %s: mode=0%o\n", out, s->st_mode); 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project printf("%06x%08x%08x%08x%08x%08x%08x" 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project "%08x%08x%08x%08x%08x%08x%08x%s%c", 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0x070701, 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project next_inode++, // s.st_ino, 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project s->st_mode, 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_uid, 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_gid, 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1, // s.st_nlink, 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // s.st_mtime, 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project datasize, 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // volmajor 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // volminor 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // devmajor 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, // devminor, 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project olen + 1, 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0, 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out, 118dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 0 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ); 120dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size += 6 + 8*13 + olen + 1; 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 123f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if(strlen(out) != (unsigned int)olen) die("ACK!"); 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 3) { 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(datasize) { 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fwrite(data, datasize, 1, stdout); 132dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size += datasize; 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _eject_trailer() 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 138dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat s; 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&s, 0, sizeof(s)); 140dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, "TRAILER!!!", 10, 0, 0); 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(total_size & 0xff) { 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project total_size++; 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project putchar(0); 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 146dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 148dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive(char *in, char *out, int ilen, int olen); 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic int compare(const void* a, const void* b) { 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return strcmp(*(const char**)a, *(const char**)b); 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive_dir(char *in, char *out, int ilen, int olen) 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int i, t; 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project DIR *d; 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct dirent *de; 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(verbose) { 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"_archive_dir('%s','%s',%d,%d)\n", 162dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in, out, ilen, olen); 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project d = opendir(in); 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(d == 0) die("cannot open directory '%s'", in); 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int size = 32; 169dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int entries = 0; 170dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char** names = malloc(size * sizeof(char*)); 171dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names == NULL) { 172dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to allocate dir names array (size %d)\n", size); 173dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 174dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 175dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 176dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while((de = readdir(d)) != 0){ 177dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* xxx: feature? maybe some dotfiles are okay */ 178dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(de->d_name[0] == '.') continue; 179dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 180dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project /* xxx: hack. use a real exclude list */ 181dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(!strcmp(de->d_name, "root")) continue; 182dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 183dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (entries >= size) { 184dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size *= 2; 185dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project names = realloc(names, size * sizeof(char*)); 186dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names == NULL) { 187dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to reallocate dir names array (size %d)\n", 188dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size); 189dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 190dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 191dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 192dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project names[entries] = strdup(de->d_name); 193dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (names[entries] == NULL) { 194dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "failed to strdup name \"%s\"\n", 195dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project de->d_name); 196dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project exit(1); 197dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 198dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ++entries; 199dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 200dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 201dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project qsort(names, entries, sizeof(char*), compare); 202dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 203dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project for (i = 0; i < entries; ++i) { 204dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project t = strlen(names[i]); 205dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in[ilen] = '/'; 206dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(in + ilen + 1, names[i], t + 1); 207dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 208dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(olen > 0) { 209dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out[olen] = '/'; 210dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(out + olen + 1, names[i], t + 1); 211dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive(in, out, ilen + t + 1, olen + t + 1); 212dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 213dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(out, names[i], t + 1); 214dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive(in, out, ilen + t + 1, t); 215dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 216dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 217dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in[ilen] = 0; 218dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project out[olen] = 0; 219dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 220dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(names[i]); 221dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 222dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(names); 223dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 224dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 225dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void _archive(char *in, char *out, int ilen, int olen) 226dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 227dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct stat s; 228dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 229dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(verbose) { 230dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr,"_archive('%s','%s',%d,%d)\n", 231dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project in, out, ilen, olen); 232dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 233dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 234dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(lstat(in, &s)) die("could not stat '%s'\n", in); 235dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 236dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(S_ISREG(s.st_mode)){ 237dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *tmp; 238dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; 239dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 240dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = open(in, O_RDONLY); 241dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd < 0) die("cannot open '%s' for read", in); 242dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 243dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project tmp = (char*) malloc(s.st_size); 244dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(tmp == 0) die("cannot allocate %d bytes", s.st_size); 245dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 246dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(read(fd, tmp, s.st_size) != s.st_size) { 247dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project die("cannot read %d bytes", s.st_size); 248dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 249dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 250dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, tmp, s.st_size); 251dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 252dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project free(tmp); 253dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project close(fd); 254dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if(S_ISDIR(s.st_mode)) { 255dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, 0, 0); 256dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive_dir(in, out, ilen, olen); 257dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else if(S_ISLNK(s.st_mode)) { 258dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char buf[1024]; 259dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int size; 260dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size = readlink(in, buf, 1024); 261dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(size < 0) die("cannot read symlink '%s'", in); 262dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject(&s, out, olen, buf, size); 263dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 264dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project die("Unknown '%s' (mode %d)?\n", in, s.st_mode); 265dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 266dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 267dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 268dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid archive(const char *start, const char *prefix) 269dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 270dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char in[8192]; 271dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char out[8192]; 272dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 273dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcpy(in, start); 274dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project strcpy(out, prefix); 275dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 276dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _archive_dir(in, out, strlen(in), strlen(out)); 277dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 278dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 279f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongkerstatic void read_canned_config(char* filename) 280f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker{ 281f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker int allocated = 8; 282f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker int used = 0; 283f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 284f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = 285f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker (struct fs_config_entry*)malloc(allocated * sizeof(struct fs_config_entry)); 286f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 287f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker char line[CANNED_LINE_LENGTH]; 288f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker FILE* f = fopen(filename, "r"); 289f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (f == NULL) die("failed to open canned file"); 290f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 291f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker while (fgets(line, CANNED_LINE_LENGTH, f) != NULL) { 292f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (!line[0]) break; 293f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (used >= allocated) { 294f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker allocated *= 2; 295f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = (struct fs_config_entry*)realloc( 296f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config, allocated * sizeof(struct fs_config_entry)); 297f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 298f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 299f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker struct fs_config_entry* cc = canned_config + used; 300f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 301f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (isspace(line[0])) { 302f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->name = strdup(""); 303f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->uid = atoi(strtok(line, " \n")); 304f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } else { 305f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->name = strdup(strtok(line, " \n")); 306f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->uid = atoi(strtok(NULL, " \n")); 307f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 308f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->gid = atoi(strtok(NULL, " \n")); 309f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker cc->mode = strtol(strtok(NULL, " \n"), NULL, 8); 310f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker ++used; 311f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 312f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (used >= allocated) { 313f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker ++allocated; 314f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config = (struct fs_config_entry*)realloc( 315f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config, allocated * sizeof(struct fs_config_entry)); 316f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 317f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker canned_config[used].name = NULL; 318f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 319f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker fclose(f); 320f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker} 321f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 322f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 323dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint main(int argc, char *argv[]) 324dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 325dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argc--; 326dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv++; 327dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 328f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker if (argc > 1 && strcmp(argv[0], "-f") == 0) { 329f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker read_canned_config(argv[1]); 330f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker argc -= 2; 331f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker argv += 2; 332f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker } 333f2c3a8331ca9ec61aba82c4af6c8c7aa75d56f14Doug Zongker 334dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(argc == 0) die("no directories to process?!"); 335dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 336dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project while(argc-- > 0){ 337dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project char *x = strchr(*argv, '='); 338dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(x != 0) { 339dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project *x++ = 0; 340dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 341dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = ""; 342dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 343dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 344dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project archive(*argv, x); 345dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 346dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project argv++; 347dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 348dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 349dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project _eject_trailer(); 350dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 351dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 352dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 353