diff options
Diffstat (limited to 'packages/dosfstools/files/mkdosfs-dir.patch')
| -rw-r--r-- | packages/dosfstools/files/mkdosfs-dir.patch | 634 |
1 files changed, 634 insertions, 0 deletions
diff --git a/packages/dosfstools/files/mkdosfs-dir.patch b/packages/dosfstools/files/mkdosfs-dir.patch new file mode 100644 index 0000000000..8f753b052c --- /dev/null +++ b/packages/dosfstools/files/mkdosfs-dir.patch @@ -0,0 +1,634 @@ +diff -urN dosfstools-2.10.orig/mkdosfs/mkdosfs.c dosfstools-2.10/mkdosfs/mkdosfs.c +--- dosfstools-2.10.orig/mkdosfs/mkdosfs.c 2004-08-02 20:48:45.000000000 -0700 ++++ dosfstools-2.10/mkdosfs/mkdosfs.c 2004-08-02 20:49:44.296953792 -0700 +@@ -18,6 +18,10 @@ + as a rule), and not the block. For example the boot block does not + occupy a full cluster. + ++ June 2004 - Jordan Crouse (info.linux@amd.com) ++ Added -d <directory> support to populate the image ++ Copyright (C) 2004, Advanced Micro Devices, All Rights Reserved ++ + Fixes/additions May 1998 by Roman Hodek + <Roman.Hodek@informatik.uni-erlangen.de>: + - Atari format support +@@ -71,6 +75,8 @@ + #include <unistd.h> + #include <time.h> + #include <errno.h> ++#include <libgen.h> ++#include <dirent.h> + + #if __BYTE_ORDER == __BIG_ENDIAN + +@@ -124,6 +130,8 @@ + } + #endif + ++#define ROUND_UP(value, divisor) (value + (divisor - (value % divisor))) / divisor ++ + /* Constant definitions */ + + #define TRUE 1 /* Boolean constants */ +@@ -163,7 +171,6 @@ + #define ATTR_VOLUME 8 /* volume label */ + #define ATTR_DIR 16 /* directory */ + #define ATTR_ARCH 32 /* archived */ +- + #define ATTR_NONE 0 /* no attribute bits */ + #define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN) + /* attribute bits that are copied "as is" */ +@@ -258,6 +265,19 @@ + __u32 reserved2[4]; + }; + ++/* This stores up to 13 chars of the name */ ++ ++struct msdos_dir_slot { ++ __u8 id; /* sequence number for slot */ ++ __u8 name0_4[10]; /* first 5 characters in name */ ++ __u8 attr; /* attribute byte */ ++ __u8 reserved; /* always 0 */ ++ __u8 alias_checksum; /* checksum for 8.3 alias */ ++ __u8 name5_10[12]; /* 6 more characters in name */ ++ __u16 start; /* starting cluster number, 0 in long slots */ ++ __u8 name11_12[4]; /* last 2 characters in name */ ++}; ++ + struct msdos_dir_entry + { + char name[8], ext[3]; /* name and extension */ +@@ -306,6 +326,15 @@ + + #define MESSAGE_OFFSET 29 /* Offset of message in above code */ + ++/* Special structure to keep track of directories as we add them for the -d option */ ++ ++struct dir_entry { ++ int root; /* Specifies if this is the root dir or not */ ++ int count; /* Number of items in the table */ ++ int entries; /* Number of entries in the table */ ++ struct msdos_dir_entry *table; /* Pointer to the entry table */ ++}; ++ + /* Global variables - the root of all evil :-) - see these and weep! */ + + static char *template_boot_code; /* Variable to store a full template boot sector in */ +@@ -339,6 +368,9 @@ + static int size_root_dir; /* Size of the root directory in bytes */ + static int sectors_per_cluster = 0; /* Number of sectors per disk cluster */ + static int root_dir_entries = 0; /* Number of root directory entries */ ++static int root_dir_num_entries = 0; ++static int last_cluster_written = 0; ++ + static char *blank_sector; /* Blank sector - all zeros */ + + +@@ -411,7 +443,6 @@ + } + } + +- + /* Mark a specified sector as having a particular value in it's FAT entry */ + + static void +@@ -1262,6 +1293,9 @@ + die ("unable to allocate space for root directory in memory"); + } + ++ ++ last_cluster_written = 2; ++ + memset(root_dir, 0, size_root_dir); + if ( memcmp(volume_name, " ", 11) ) + { +@@ -1310,11 +1344,11 @@ + } + + if (!(blank_sector = malloc( sector_size ))) +- die( "Out of memory" ); ++ die( "Out of memory" ); ++ + memset(blank_sector, 0, sector_size); + } +- +- ++ + /* Write the new filesystem's data tables to wherever they're going to end up! */ + + #define error(str) \ +@@ -1336,7 +1370,7 @@ + do { \ + int __size = (size); \ + if (write (dev, buf, __size) != __size) \ +- error ("failed whilst writing " errstr); \ ++ error ("failed whilst writing " errstr); \ + } while(0) + + +@@ -1407,6 +1441,452 @@ + free (fat); /* Free up the fat table space reserved during setup_tables */ + } + ++/* Add a file to the specified directory entry, and also write it into the image */ ++ ++static void copy_filename(char *filename, char *base, char *ext) { ++ ++ char *ch = filename; ++ int i, len; ++ ++ memset(base, 0x20, 8); ++ memset(ext, 0x20, 3); ++ ++ for(len = 0 ; *ch && *ch != '.'; ch++) { ++ base[len++] = toupper(*ch); ++ if (len == 8) break; ++ } ++ ++ for ( ; *ch && *ch != '.'; ch++); ++ if (*ch) ch++; ++ ++ for(len = 0 ; *ch; ch++) { ++ ext[len++] = toupper(*ch); ++ if (len == 3) break; ++ } ++} ++ ++/* Check for an .attrib.<filename> file, and read the attributes therein */ ++ ++/* We are going to be pretty pedantic about this. The file needs 3 ++ bytes at the beginning, the attributes are listed in this order: ++ ++ (H)idden|(S)ystem|(A)rchived ++ ++ A capital HSA means to enable it, anything else will disable it ++ (I recommend a '-') The unix user attributes will still be used ++ for write access. ++ ++ For example, to enable system file access for ldlinux.sys, write ++ the following to .attrib.ldlinux.sys: -S- ++*/ ++ ++unsigned char check_attrib_file(char *dir, char *filename) { ++ ++ char attrib[4] = { '-', '-', '-' }; ++ unsigned char *buffer = 0; ++ int ret = ATTR_NONE; ++ int fd = -1; ++ ++ buffer = (char *) calloc(1, strlen(dir) + strlen(filename) + 10); ++ if (!buffer) return ATTR_NONE; ++ ++ sprintf(buffer, "%s/.attrib.%s", dir, filename); ++ ++ if (access(buffer, R_OK)) ++ goto exit_attrib; ++ ++ if ((fd = open(buffer, O_RDONLY, 0)) < 0) ++ goto exit_attrib; ++ ++ if (read(fd, attrib, 3) < 0) ++ goto exit_attrib; ++ ++ if (attrib[0] == 'H') ret |= ATTR_HIDDEN; ++ if (attrib[1] == 'S') ret |= ATTR_SYS; ++ if (attrib[2] == 'A') ret |= ATTR_ARCH; ++ ++ printf("%s: Setting atrribute %x\n", filename, ret); ++ ++ exit_attrib: ++ if (fd >= 0) close(fd); ++ if (buffer) free(buffer); ++ ++ return ret; ++} ++ ++static void copy_name(char *buffer, int size, char **pointer) { ++ int i; ++ ++ for(i = 0; i < size; i += 2) { ++ if (*pointer) { ++ buffer[i] = **pointer; ++ buffer[i + 1] = 0x00; ++ *pointer = **pointer ? *pointer + 1 : 0; ++ } ++ else { ++ buffer[i] = 0xFF; ++ buffer[i + 1] = 0xFF; ++ } ++ } ++} ++ ++static int add_file(char *filename, struct dir_entry *dir, unsigned char attr) ++{ ++ struct stat stat; ++ struct msdos_dir_entry *entry; ++ int infile = 0; ++ int sectors, clusters; ++ struct tm *ctime; ++ int c, s; ++ int ptr; ++ char *buffer, *base; ++ int start; ++ int usedsec, totalsec; ++ ++ char name83[8], ext83[3]; ++ ++ struct msdos_dir_slot *slot; ++ int i; ++ char *p; ++ ++ /* The root directory is static, everything else grows as needed */ ++ ++ if (dir->root) { ++ if (dir->count == dir->entries) { ++ printf("Error - too many directory entries\n"); ++ } ++ } ++ else { ++ if (dir->count == dir->entries) { ++ if (!dir->table) ++ dir->table = ++ (struct msdos_dir_entry *) malloc(sizeof(struct msdos_dir_entry)); ++ else { ++ dir->table = ++ (struct msdos_dir_entry *) realloc(dir->table, (dir->entries + 1) * ++ sizeof(struct msdos_dir_entry)); ++ ++ memset(&dir->table[dir->entries], 0, sizeof(struct msdos_dir_entry)); ++ } ++ ++ dir->entries++; ++ } ++ } ++ ++ infile = open(filename, O_RDONLY, 0); ++ if (!infile) return; ++ ++ if (fstat(infile, &stat)) ++ goto exit_add; ++ ++ if (S_ISCHR(stat.st_mode) ||S_ISBLK(stat.st_mode) || ++ S_ISFIFO(stat.st_mode) || S_ISLNK(stat.st_mode)) { ++ printf("Error - cannot create a special file in a FATFS\n"); ++ goto exit_add; ++ } ++ ++ /* FIXME: This isn't very pretty */ ++ ++ usedsec = start_data_sector + (size_root_dir / sector_size) + ++ (last_cluster_written * bs.cluster_size); ++ ++ totalsec = blocks * BLOCK_SIZE / sector_size; ++ ++ /* Figure out how many sectors / clustors the file requires */ ++ ++ sectors = ROUND_UP(stat.st_size, sector_size); ++ clusters = ROUND_UP(sectors, (int) bs.cluster_size); ++ ++ if (usedsec + sectors > totalsec) { ++ printf("Error - %s is too big (%d vs %d)\n", filename, sectors, totalsec - usedsec); ++ close(infile); ++ return -1; ++ } ++ ++ printf("ADD %s\n", filename); ++ ++ /* Grab the basename of the file */ ++ base = basename(filename); ++ ++ /* Extract out the 8.3 name */ ++ copy_filename(base, name83, ext83); ++ ++ /* Make an extended name slot */ ++ ++ slot = (struct msdos_dir_slot *) &dir->table[dir->count++]; ++ slot->id = 'A'; ++ slot->attr = 0x0F; ++ slot->reserved = 0; ++ slot->start = 0; ++ ++ slot->alias_checksum = 0; ++ ++ for(i = 0; i < 8; i++) ++ slot->alias_checksum = (((slot->alias_checksum&1)<<7)|((slot->alias_checksum&0xfe)>>1)) + name83[i]; ++ ++ for(i = 0; i < 3; i++) ++ slot->alias_checksum = (((slot->alias_checksum&1)<<7)|((slot->alias_checksum&0xfe)>>1)) + ext83[i]; ++ ++ p = base; ++ ++ copy_name(slot->name0_4, 10, &p); ++ copy_name(slot->name5_10, 12, &p); ++ copy_name(slot->name11_12, 4, &p); ++ ++ ++ /* Get the entry from the root filesytem */ ++ entry = &dir->table[dir->count++]; ++ ++ strncpy(entry->name, name83, 8); ++ strncpy(entry->ext, ext83, 3); ++ ++ ++ /* If the user has it read only, then add read only to the incoming ++ attribute settings */ ++ ++ if (!(stat.st_mode & S_IWUSR)) attr |= ATTR_RO; ++ entry->attr = attr; ++ ++ /* Set the access time on the file */ ++ ctime = localtime(&create_time); ++ ++ entry->time = CT_LE_W((unsigned short)((ctime->tm_sec >> 1) + ++ (ctime->tm_min << 5) + (ctime->tm_hour << 11))); ++ ++ entry->date = CT_LE_W((unsigned short)(ctime->tm_mday + ++ ((ctime->tm_mon+1) << 5) + ++ ((ctime->tm_year-80) << 9))); ++ ++ entry->ctime_ms = 0; ++ entry->ctime = entry->time; ++ entry->cdate = entry->date; ++ entry->adate = entry->date; ++ entry->size = stat.st_size; ++ ++ start = last_cluster_written; ++ ++ entry->start = CT_LE_W(start); /* start sector */ ++ entry->starthi = CT_LE_W((start & 0xFFFF0000) >> 16); /* High start sector (for FAT32) */ ++ ++ /* We mark all of the clusters we use in the FAT */ ++ ++ for(c = 0; c < clusters; c++ ) { ++ int free; ++ int next = c == (clusters - 1) ? FAT_EOF : start + c + 1; ++ mark_FAT_cluster(start + c, next); ++ last_cluster_written++; ++ } ++ ++ /* This confused me too - cluster 2 starts after the ++ root directory data - search me as to why */ ++ ++ ptr = (start_data_sector * sector_size) + size_root_dir; ++ ptr += (start - 2) * bs.cluster_size * sector_size; ++ ++ buffer = (char *) malloc(sector_size); ++ ++ if (!buffer) { ++ printf("Error - couldn't allocate memory\n"); ++ goto exit_add; ++ } ++ ++ /* Write the file into the file block */ ++ ++ seekto(ptr, "datafile"); ++ ++ while(1) { ++ int size = read(infile, buffer, sector_size); ++ if (size <= 0) break; ++ ++ writebuf(buffer, size, "data"); ++ } ++ ++ exit_add: ++ if (infile) close(infile); ++} ++ ++/* Add a new directory to the specified directory entry, and in turn populate ++ it with its own files */ ++ ++/* FIXME: This should check to make sure there is enough size to add itself */ ++ ++static void add_directory(char *filename, struct dir_entry *dir) { ++ ++ struct dir_entry *newdir = 0; ++ struct msdos_dir_entry *entry; ++ struct tm *ctime; ++ DIR *rddir = opendir(filename); ++ struct dirent *dentry = 0; ++ int remain; ++ char *data; ++ ++ /* If the directory doesn't exist */ ++ if (!rddir) return; ++ ++ if (dir->root) { ++ if (dir->count == dir->entries) { ++ printf("Error - too many directory entries\n"); ++ goto exit_add_dir; ++ } ++ } ++ else { ++ if (dir->count == dir->entries) { ++ if (!dir->table) ++ dir->table = (struct msdos_dir_entry *) malloc(sizeof(struct msdos_dir_entry)); ++ else { ++ dir->table = (struct msdos_dir_entry *) realloc(dir->table, (dir->entries + 1) * ++ sizeof(struct msdos_dir_entry)); ++ ++ /* Zero it out to avoid issues */ ++ memset(&dir->table[dir->entries], 0, sizeof(struct msdos_dir_entry)); ++ } ++ dir->entries++; ++ } ++ } ++ ++ /* Now, create a new directory entry for the new directory */ ++ newdir = (struct dir_entry *) calloc(1, sizeof(struct dir_entry)); ++ if (!newdir) goto exit_add_dir; ++ ++ entry = &dir->table[dir->count++]; ++ ++ strncpy(entry->name, basename(filename), sizeof(entry->name)); ++ ++ entry->attr = ATTR_DIR; ++ ctime = localtime(&create_time); ++ ++ entry->time = CT_LE_W((unsigned short)((ctime->tm_sec >> 1) + ++ (ctime->tm_min << 5) + (ctime->tm_hour << 11))); ++ ++ entry->date = CT_LE_W((unsigned short)(ctime->tm_mday + ++ ((ctime->tm_mon+1) << 5) + ++ ((ctime->tm_year-80) << 9))); ++ ++ entry->ctime_ms = 0; ++ entry->ctime = entry->time; ++ entry->cdate = entry->date; ++ entry->adate = entry->date; ++ ++ /* Now, read the directory */ ++ ++ while((dentry = readdir(rddir))) { ++ struct stat st; ++ char *buffer; ++ ++ if (!strcmp(dentry->d_name, ".") || !strcmp(dentry->d_name, "..")) ++ continue; ++ ++ /* DOS wouldn't like a typical unix . (dot) file, so we skip those too */ ++ if (dentry->d_name[0] == '.') continue; ++ ++ buffer = malloc(strlen(filename) + strlen(dentry->d_name) + 3); ++ if (!buffer) continue; ++ ++ sprintf(buffer, "%s/%s", filename, dentry->d_name); ++ if (!stat(buffer, &st)) { ++ if (S_ISDIR(st.st_mode)) ++ add_directory(buffer, newdir); ++ else if (S_ISREG(st.st_mode)) { ++ unsigned char attrib = check_attrib_file(filename, dentry->d_name); ++ add_file(buffer, newdir, attrib); ++ } ++ } ++ ++ free(buffer); ++ } ++ ++ /* Now that the entire directory has been written, go ahead and write the directory ++ entry as well */ ++ ++ entry->start = CT_LE_W(last_cluster_written); ++ entry->starthi = CT_LE_W((last_cluster_written & 0xFFFF0000) >> 16); ++ entry->size = newdir->count * sizeof(struct msdos_dir_entry); ++ ++ remain = entry->size; ++ data = (char *) newdir->table; ++ ++ while(remain) { ++ int size = ++ remain > bs.cluster_size * sector_size ? bs.cluster_size * sector_size : remain; ++ ++ int pos = (start_data_sector * sector_size) + size_root_dir; ++ pos += (last_cluster_written - 2) * bs.cluster_size * sector_size; ++ ++ seekto(pos, "add_dir"); ++ writebuf(data, size, "add_dir"); ++ ++ remain -= size; ++ data += size; ++ ++ mark_FAT_cluster(last_cluster_written, remain ? last_cluster_written + 1 : FAT_EOF); ++ last_cluster_written++; ++ } ++ ++ exit_add_dir: ++ if (rddir) closedir(rddir); ++ if (newdir->table) free(newdir->table); ++ if (newdir) free(newdir); ++} ++ ++/* Given a directory, add all the files and directories to the root directory of the ++ image. ++*/ ++ ++static void add_root_directory(char *dirname) ++{ ++ DIR *dir = opendir(dirname); ++ struct dirent *entry = 0; ++ struct dir_entry *newdir = 0; ++ ++ if (!dir) { ++ printf("Error - directory %s does not exist\n", dirname); ++ return; ++ } ++ ++ /* Create the root directory structure - this is a bit different then ++ above, because the table already exists, we just refer to it. */ ++ ++ newdir = (struct dir_entry *) calloc(1,sizeof(struct dir_entry)); ++ ++ if (!newdir) { ++ closedir(dir); ++ return; ++ } ++ ++ newdir->entries = root_dir_entries; ++ newdir->root = 1; ++ newdir->count = 0; ++ newdir->table = root_dir; ++ ++ while((entry = readdir(dir))) { ++ struct stat st; ++ char *buffer; ++ ++ if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, "..")) ++ continue; ++ ++ /* DOS wouldn't like a typical unix . (dot) file, so we skip those too */ ++ if (entry->d_name[0] == '.') continue; ++ ++ buffer = malloc(strlen(dirname) + strlen(entry->d_name) + 3); ++ if (!buffer) continue; ++ ++ sprintf(buffer, "%s/%s", dirname, entry->d_name); ++ if (!stat(buffer, &st)) { ++ if (S_ISDIR(st.st_mode)) ++ add_directory(buffer, newdir); ++ else if (S_ISREG(st.st_mode)) { ++ unsigned char attrib = check_attrib_file(dirname, entry->d_name); ++ add_file(buffer, newdir, attrib); ++ } ++ } ++ ++ free(buffer); ++ } ++ ++ closedir(dir); ++ if (newdir) free(newdir); ++} + + /* Report the command usage and return a failure error code */ + +@@ -1418,9 +1898,9 @@ + [-m boot-msg-file] [-n volume-name] [-i volume-id] [-B bootcode]\n\ + [-s sectors-per-cluster] [-S logical-sector-size] [-f number-of-FATs]\n\ + [-F fat-size] [-r root-dir-entries] [-R reserved-sectors]\n\ +- /dev/name [blocks]\n"); ++ [-d directory] /dev/name [blocks]\n"); + } +- ++ + /* + * ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant + * of MS-DOS filesystem by default. +@@ -1458,6 +1938,8 @@ + int c; + char *tmp; + char *listfile = NULL; ++ char *dirname = NULL; ++ + FILE *msgfile; + struct stat statbuf; + int i = 0, pos, ch; +@@ -1477,7 +1959,7 @@ + printf ("%s " VERSION " (" VERSION_DATE ")\n", + program_name); + +- while ((c = getopt (argc, argv, "AcCf:F:Ii:l:m:n:r:R:s:S:v:B:b")) != EOF) ++ while ((c = getopt (argc, argv, "AcCd:f:F:Ii:l:m:n:r:R:s:S:v:B:b")) != EOF) + /* Scan the command line for options */ + switch (c) + { +@@ -1502,6 +1984,10 @@ + create = TRUE; + break; + ++ case 'd': ++ dirname = optarg; ++ break; ++ + case 'f': /* f : Choose number of FATs */ + nr_fats = (int) strtol (optarg, &tmp, 0); + if (*tmp || nr_fats < 1 || nr_fats > 4) +@@ -1796,8 +2282,10 @@ + else if (listfile) + get_list_blocks (listfile); + +- write_tables (); /* Write the file system tables away! */ + ++ if (dirname) add_root_directory(dirname); ++ ++ write_tables (); /* Write the file system tables away! */ + exit (0); /* Terminate with no errors! */ + } + |