static void
cpio_set_action(int op)
{
if ((act == APPND && op == ARCHIVE) || (act == ARCHIVE && op == APPND))
act = APPND;
else if (act == EXTRACT && op == LIST)
act = op;
else if (act != ERROR && act != op)
cpio_usage();
else
act = op;
}
int
bad_opt(void)
{
OPLIST *opt;
if (ophead == NULL)
return 0;
/*
* print all we were given
*/
tty_warn(1," These format options are not supported for %s",
frmt->name);
while ((opt = opt_next()) != NULL)
(void)fprintf(stderr, "\t%s = %s\n", opt->name, opt->value);
if (strcmp(NM_TAR, argv0) == 0)
tar_usage();
#ifndef NO_CPIO
else if (strcmp(NM_CPIO, argv0) == 0)
cpio_usage();
#endif
else
pax_usage();
return 0;
}
static void
cpio_options(int argc, char **argv)
{
int c;
size_t i;
char *str;
FSUB tmp;
FILE *fp;
kflag = 1;
pids = 1;
pmode = 1;
pmtime = 0;
arcname = NULL;
dflag = 1;
act = -1;
nodirs = 1;
while ((c=getopt(argc,argv,"abcdfiklmoprstuvzABC:E:F:H:I:LO:SZ6")) != -1)
switch (c) {
case 'a':
/*
* preserve access time on files read
*/
tflag = 1;
break;
case 'b':
/*
* swap bytes and half-words when reading data
*/
break;
case 'c':
/*
* ASCII cpio header
*/
frmt = &(fsub[F_ACPIO]);
break;
case 'd':
/*
* create directories as needed
*/
nodirs = 0;
break;
case 'f':
/*
* invert meaning of pattern list
*/
cflag = 1;
break;
case 'i':
/*
* restore an archive
*/
act = EXTRACT;
break;
case 'k':
break;
case 'l':
/*
* use links instead of copies when possible
*/
lflag = 1;
break;
case 'm':
/*
* preserve modification time
*/
pmtime = 1;
break;
case 'o':
/*
* create an archive
*/
act = ARCHIVE;
frmt = &(fsub[F_CPIO]);
break;
case 'p':
/*
* copy-pass mode
*/
act = COPY;
break;
case 'r':
/*
* interactively rename files
*/
iflag = 1;
break;
case 's':
/*
* swap bytes after reading data
*/
break;
case 't':
/*
* list contents of archive
*/
act = LIST;
listf = stdout;
break;
case 'u':
/*
* replace newer files
*/
kflag = 0;
break;
case 'v':
/*
* verbose operation mode
*/
vflag = 1;
break;
case 'z':
/*
* use gzip. Non standard option.
*/
gzip_program = GZIP_CMD;
break;
case 'A':
/*
* append mode
*/
act = APPND;
break;
case 'B':
/*
* Use 5120 byte block size
*/
wrblksz = 5120;
break;
case 'C':
/*
* set block size in bytes
*/
wrblksz = atoi(optarg);
break;
case 'E':
/*
* file with patterns to extract or list
*/
if ((fp = fopen(optarg, "r")) == NULL) {
paxwarn(1, "Unable to open file '%s' for read", optarg);
cpio_usage();
}
while ((str = getline(fp)) != NULL) {
pat_add(str, NULL);
}
fclose(fp);
if (getline_error) {
paxwarn(1, "Problem with file '%s'", optarg);
cpio_usage();
}
break;
case 'F':
case 'I':
case 'O':
/*
* filename where the archive is stored
*/
if ((optarg[0] == '-') && (optarg[1]== '\0')) {
/*
* treat a - as stdin
*/
arcname = NULL;
break;
}
arcname = optarg;
break;
case 'H':
/*
* specify an archive format on write
*/
tmp.name = optarg;
if ((frmt = (FSUB *)bsearch((void *)&tmp, (void *)fsub,
sizeof(fsub)/sizeof(FSUB), sizeof(FSUB), c_frmt)) != NULL)
break;
paxwarn(1, "Unknown -H format: %s", optarg);
(void)fputs("cpio: Known -H formats are:", stderr);
for (i = 0; i < (sizeof(fsub)/sizeof(FSUB)); ++i)
(void)fprintf(stderr, " %s", fsub[i].name);
(void)fputs("\n\n", stderr);
cpio_usage();
break;
case 'L':
/*
* follow symbolic links
*/
Lflag = 1;
break;
case 'S':
/*
* swap halfwords after reading data
*/
break;
case 'Z':
/*
* use compress. Non standard option.
*/
gzip_program = COMPRESS_CMD;
break;
case '6':
/*
* process Version 6 cpio format
*/
frmt = &(fsub[F_OCPIO]);
break;
case '?':
default:
cpio_usage();
break;
}
argc -= optind;
argv += optind;
/*
* process the args as they are interpreted by the operation mode
*/
switch (act) {
case LIST:
case EXTRACT:
while (*argv != NULL)
if (pat_add(*argv++, NULL) < 0)
cpio_usage();
break;
case COPY:
if (*argv == NULL) {
paxwarn(0, "Destination directory was not supplied");
cpio_usage();
}
dirptr = *argv;
if (mkpath(dirptr) < 0)
cpio_usage();
--argc;
++argv;
/* FALLTHROUGH */
case ARCHIVE:
case APPND:
if (*argv != NULL)
cpio_usage();
/*
* no read errors allowed on updates/append operation!
*/
maxflt = 0;
while ((str = getline(stdin)) != NULL) {
ftree_add(str, 0);
}
if (getline_error) {
paxwarn(1, "Problem while reading stdin");
cpio_usage();
}
break;
default:
cpio_usage();
break;
}
}
static void
cpio_options(int argc, char **argv)
{
FSUB tmp;
u_int64_t flg = 0;
u_int64_t bflg = 0;
int c;
size_t i;
FILE *fp;
char *str;
uflag = 1;
kflag = 1;
pids = 1;
pmode = 1;
pmtime = 0;
arcname = NULL;
dflag = 1;
nodirs = 1;
/*
* process option flags
*/
while ((c = getoldopt(argc, argv,
"+abcdfiklmoprstuvzABC:E:F:H:I:LM:O:R:SVZ6",
cpio_longopts, NULL)) != -1) {
switch(c) {
case 'a':
/*
* preserve access time on filesystem nodes we read
*/
tflag = 1;
flg |= TF;
break;
#ifdef notyet
case 'b':
/*
* swap bytes and half-words when reading data
*/
break;
#endif
case 'c':
/*
* ASCII cpio header
*/
frmt = &fsub[F_SV4CPIO];
break;
case 'd':
/*
* create directories as needed
* pax does this by default ..
*/
nodirs = 0;
break;
case 'f':
/*
* inverse match on patterns
*/
cflag = 1;
flg |= CF;
break;
case 'i':
/*
* read the archive
*/
cpio_set_action(EXTRACT);
flg |= RF;
break;
#ifdef notyet
case 'k':
break;
#endif
case 'l':
/*
* try to link src to dest with copy (-rw)
*/
lflag = 1;
flg |= LF;
break;
case 'm':
/*
* preserve mtime
*/
flg |= PF;
pmtime = 1;
break;
case 'o':
/*
* write an archive
*/
cpio_set_action(ARCHIVE);
frmt = &(fsub[F_SV4CRC]);
flg |= WF;
break;
case 'p':
/*
* cpio -p is like pax -rw
*/
cpio_set_action(COPY);
flg |= RF | WF;
break;
case 'r':
/*
* interactive file rename
*/
iflag = 1;
flg |= IF;
break;
#ifdef notyet
case 's':
/*
* swap bytes after reading data
*/
break;
#endif
case 't':
/*
* list contents of archive
*/
cpio_set_action(LIST);
listf = stdout;
flg &= ~RF;
break;
case 'u':
/*
* don't ignore those older files
*/
uflag = 0;
kflag = 0;
flg |= UF;
break;
case 'v':
/*
* verbose operation mode
*/
vflag = 1;
flg |= VF;
break;
case 'z':
/*
* use gzip. Non standard option.
*/
gzip_program = GZIP_CMD;
break;
case 'A':
/*
* append to an archive
*/
cpio_set_action(APPND);
flg |= AF;
break;
case 'B':
/*
* set blocksize to 5120
*/
blksz = 5120;
break;
case 'C':
/*
* specify blocksize
*/
if ((blksz = (int)str_offt(optarg)) <= 0) {
tty_warn(1, "Invalid block size %s", optarg);
cpio_usage();
}
break;
case 'E':
/*
* file with patterns to extract or list
*/
if ((fp = fopen(optarg, "r")) == NULL) {
tty_warn(1, "Unable to open file '%s' for read",
optarg);
cpio_usage();
}
while ((str = get_line(fp)) != NULL) {
pat_add(str, NULL, 0);
}
fclose(fp);
if (get_line_error) {
tty_warn(1, "Problem with file '%s'", optarg);
cpio_usage();
}
break;
case 'H':
/*
* specify an archive format on write
*/
tmp.name = optarg;
frmt = (FSUB *)bsearch((void *)&tmp, (void *)fsub,
sizeof(fsub)/sizeof(FSUB), sizeof(FSUB), c_frmt);
if (frmt != NULL) {
flg |= XF;
break;
}
tty_warn(1, "Unknown -H format: %s", optarg);
(void)fputs("cpio: Known -H formats are:", stderr);
for (i = 0; i < (sizeof(fsub)/sizeof(FSUB)); ++i)
(void)fprintf(stderr, " %s", fsub[i].name);
(void)fputs("\n\n", stderr);
cpio_usage();
break;
case 'F':
case 'I':
case 'O':
/*
* filename where the archive is stored
*/
if ((optarg[0] == '-') && (optarg[1]== '\0')) {
/*
* treat a - as stdin
*/
arcname = NULL;
break;
}
arcname = optarg;
break;
case 'L':
/*
* follow symlinks
*/
Lflag = 1;
flg |= CLF;
break;
#ifdef notyet
case 'M':
arg = optarg;
break;
case 'R':
arg = optarg;
break;
#endif
case 'S':
/*
* swap halfwords after reading data
*/
cpio_swp_head = 1;
break;
#ifdef notyet
case 'V': /* print a '.' for each file processed */
break;
#endif
case 'V':
/*
* semi-verbose operation mode (no listing)
*/
Vflag = 1;
flg |= VF;
break;
case 'Z':
/*
* use compress. Non standard option.
*/
gzip_program = COMPRESS_CMD;
break;
case '6':
/*
* process Version 6 cpio format
*/
frmt = &(fsub[F_BCPIO]);
break;
case OPT_FORCE_LOCAL:
forcelocal = 1;
break;
case OPT_INSECURE:
secure = 0;
break;
case OPT_SPARSE:
/* do nothing; we already generate sparse files */
break;
case OPT_XZ:
gzip_program = XZ_CMD;
break;
default:
cpio_usage();
break;
}
}
/*
* figure out the operation mode of cpio. check that we have not been
* given a bogus set of flags for the operation mode.
*/
if (ISLIST(flg)) {
act = LIST;
bflg = flg & BDLIST;
} else if (ISEXTRACT(flg)) {
act = EXTRACT;
bflg = flg & BDEXTR;
} else if (ISARCHIVE(flg)) {
act = ARCHIVE;
bflg = flg & BDARCH;
} else if (ISAPPND(flg)) {
act = APPND;
bflg = flg & BDARCH;
} else if (ISCOPY(flg)) {
act = COPY;
bflg = flg & BDCOPY;
} else
cpio_usage();
if (bflg) {
cpio_usage();
}
/*
* if we are writing (ARCHIVE) we use the default format if the user
* did not specify a format. when we write during an APPEND, we will
* adopt the format of the existing archive if none was supplied.
*/
if (!(flg & XF) && (act == ARCHIVE))
frmt = &(fsub[F_BCPIO]);
/*
* process the args as they are interpreted by the operation mode
*/
switch (act) {
case LIST:
case EXTRACT:
for (; optind < argc; optind++)
if (pat_add(argv[optind], NULL, 0) < 0)
cpio_usage();
break;
case COPY:
if (optind >= argc) {
tty_warn(0, "Destination directory was not supplied");
cpio_usage();
}
--argc;
dirptr = argv[argc];
/* FALLTHROUGH */
case ARCHIVE:
case APPND:
if (argc != optind) {
for (; optind < argc; optind++)
if (ftree_add(argv[optind], 0) < 0)
cpio_usage();
break;
}
/*
* no read errors allowed on updates/append operation!
*/
maxflt = 0;
while ((str = get_line(stdin)) != NULL) {
ftree_add(str, 0);
}
if (get_line_error) {
tty_warn(1, "Problem while reading stdin");
cpio_usage();
}
break;
default:
cpio_usage();
break;
}
}
