static int header_newc(struct archive_read *a, struct cpio *cpio, struct archive_entry *entry, size_t *namelength, size_t *name_pad) { const void *h; const struct cpio_newc_header *header; size_t bytes; int r; r = find_newc_header(a); if (r < ARCHIVE_WARN) return (r); /* Read fixed-size portion of header. */ bytes = (a->decompressor->read_ahead)(a, &h, sizeof(struct cpio_newc_header)); if (bytes < sizeof(struct cpio_newc_header)) return (ARCHIVE_FATAL); (a->decompressor->consume)(a, sizeof(struct cpio_newc_header)); /* Parse out hex fields. */ header = (const struct cpio_newc_header *)h; if (memcmp(header->c_magic, "070701", 6) == 0) { a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_NOCRC; a->archive.archive_format_name = "ASCII cpio (SVR4 with no CRC)"; } else if (memcmp(header->c_magic, "070702", 6) == 0) { a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_CRC; a->archive.archive_format_name = "ASCII cpio (SVR4 with CRC)"; } else { /* TODO: Abort here? */ } archive_entry_set_devmajor(entry, atol16(header->c_devmajor, sizeof(header->c_devmajor))); archive_entry_set_devminor(entry, atol16(header->c_devminor, sizeof(header->c_devminor))); archive_entry_set_ino(entry, atol16(header->c_ino, sizeof(header->c_ino))); archive_entry_set_mode(entry, atol16(header->c_mode, sizeof(header->c_mode))); archive_entry_set_uid(entry, atol16(header->c_uid, sizeof(header->c_uid))); archive_entry_set_gid(entry, atol16(header->c_gid, sizeof(header->c_gid))); archive_entry_set_nlink(entry, atol16(header->c_nlink, sizeof(header->c_nlink))); archive_entry_set_rdevmajor(entry, atol16(header->c_rdevmajor, sizeof(header->c_rdevmajor))); archive_entry_set_rdevminor(entry, atol16(header->c_rdevminor, sizeof(header->c_rdevminor))); archive_entry_set_mtime(entry, atol16(header->c_mtime, sizeof(header->c_mtime)), 0); *namelength = atol16(header->c_namesize, sizeof(header->c_namesize)); /* Pad name to 2 more than a multiple of 4. */ *name_pad = (2 - *namelength) & 3; /* * Note: entry_bytes_remaining is at least 64 bits and * therefore guaranteed to be big enough for a 33-bit file * size. */ cpio->entry_bytes_remaining = atol16(header->c_filesize, sizeof(header->c_filesize)); archive_entry_set_size(entry, cpio->entry_bytes_remaining); /* Pad file contents to a multiple of 4. */ cpio->entry_padding = 3 & -cpio->entry_bytes_remaining; return (r); }
/* * Device entries have one of the following forms: * raw dev_t * format,major,minor[,subdevice] * * Just use major and minor, no translation etc is done * between formats. */ static int parse_device(struct archive *a, struct archive_entry *entry, char *val) { char *comma1, *comma2; comma1 = strchr(val, ','); if (comma1 == NULL) { archive_entry_set_dev(entry, (dev_t)mtree_atol10(&val)); return (ARCHIVE_OK); } ++comma1; comma2 = strchr(comma1, ','); if (comma2 == NULL) { archive_set_error(a, ARCHIVE_ERRNO_FILE_FORMAT, "Malformed device attribute"); return (ARCHIVE_WARN); } ++comma2; archive_entry_set_rdevmajor(entry, (dev_t)mtree_atol(&comma1)); archive_entry_set_rdevminor(entry, (dev_t)mtree_atol(&comma2)); return (ARCHIVE_OK); }
static int header_newc(struct archive_read *a, struct cpio *cpio, struct archive_entry *entry, size_t *namelength, size_t *name_pad) { const void *h; const char *header; int r; r = find_newc_header(a); if (r < ARCHIVE_WARN) return (r); /* Read fixed-size portion of header. */ h = __archive_read_ahead(a, newc_header_size, NULL); if (h == NULL) return (ARCHIVE_FATAL); /* Parse out hex fields. */ header = (const char *)h; if (memcmp(header + newc_magic_offset, "070701", 6) == 0) { a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_NOCRC; a->archive.archive_format_name = "ASCII cpio (SVR4 with no CRC)"; } else if (memcmp(header + newc_magic_offset, "070702", 6) == 0) { a->archive.archive_format = ARCHIVE_FORMAT_CPIO_SVR4_CRC; a->archive.archive_format_name = "ASCII cpio (SVR4 with CRC)"; } else { /* TODO: Abort here? */ } archive_entry_set_devmajor(entry, (dev_t)atol16(header + newc_devmajor_offset, newc_devmajor_size)); archive_entry_set_devminor(entry, (dev_t)atol16(header + newc_devminor_offset, newc_devminor_size)); archive_entry_set_ino(entry, atol16(header + newc_ino_offset, newc_ino_size)); archive_entry_set_mode(entry, (mode_t)atol16(header + newc_mode_offset, newc_mode_size)); archive_entry_set_uid(entry, atol16(header + newc_uid_offset, newc_uid_size)); archive_entry_set_gid(entry, atol16(header + newc_gid_offset, newc_gid_size)); archive_entry_set_nlink(entry, (unsigned int)atol16(header + newc_nlink_offset, newc_nlink_size)); archive_entry_set_rdevmajor(entry, (dev_t)atol16(header + newc_rdevmajor_offset, newc_rdevmajor_size)); archive_entry_set_rdevminor(entry, (dev_t)atol16(header + newc_rdevminor_offset, newc_rdevminor_size)); archive_entry_set_mtime(entry, atol16(header + newc_mtime_offset, newc_mtime_size), 0); *namelength = (size_t)atol16(header + newc_namesize_offset, newc_namesize_size); /* Pad name to 2 more than a multiple of 4. */ *name_pad = (2 - *namelength) & 3; /* * Note: entry_bytes_remaining is at least 64 bits and * therefore guaranteed to be big enough for a 33-bit file * size. */ cpio->entry_bytes_remaining = atol16(header + newc_filesize_offset, newc_filesize_size); archive_entry_set_size(entry, cpio->entry_bytes_remaining); /* Pad file contents to a multiple of 4. */ cpio->entry_padding = 3 & -cpio->entry_bytes_remaining; __archive_read_consume(a, newc_header_size); return (r); }
void Entry::set_rdevminor(unsigned int rdevminor) { archive_entry_set_rdevminor(_entry, rdevminor); }