* Reworked by David Douthitt <n9ubh@callsign.net> and
* Matt Kraai <kraai@alumni.carnegiemellon.edu>.
*
- * Licensed under the GPL version 2, see the file LICENSE in this tarball.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
/* findutils-4.1.20:
* diff -u /tmp/std_find /tmp/bb_find && echo Identical
*/
+//config:config FIND
+//config: bool "find"
+//config: default y
+//config: help
+//config: find is used to search your system to find specified files.
+//config:
+//config:config FEATURE_FIND_PRINT0
+//config: bool "Enable -print0: NUL-terminated output"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Causes output names to be separated by a NUL character
+//config: rather than a newline. This allows names that contain
+//config: newlines and other whitespace to be more easily
+//config: interpreted by other programs.
+//config:
+//config:config FEATURE_FIND_MTIME
+//config: bool "Enable -mtime: modified time matching"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Allow searching based on the modification time of
+//config: files, in days.
+//config:
+//config:config FEATURE_FIND_MMIN
+//config: bool "Enable -mmin: modified time matching by minutes"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Allow searching based on the modification time of
+//config: files, in minutes.
+//config:
+//config:config FEATURE_FIND_PERM
+//config: bool "Enable -perm: permissions matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_TYPE
+//config: bool "Enable -type: file type matching (file/dir/link/...)"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Enable searching based on file type (file,
+//config: directory, socket, device, etc.).
+//config:
+//config:config FEATURE_FIND_XDEV
+//config: bool "Enable -xdev: 'stay in filesystem'"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_MAXDEPTH
+//config: bool "Enable -mindepth N and -maxdepth N"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_NEWER
+//config: bool "Enable -newer: compare file modification times"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Support the 'find -newer' option for finding any files which have
+//config: modification time that is more recent than the specified FILE.
+//config:
+//config:config FEATURE_FIND_INUM
+//config: bool "Enable -inum: inode number matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_EXEC
+//config: bool "Enable -exec: execute commands"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Support the 'find -exec' option for executing commands based upon
+//config: the files matched.
+//config:
+//config:config FEATURE_FIND_EXEC_PLUS
+//config: bool "Enable -exec ... {} +"
+//config: default y
+//config: depends on FEATURE_FIND_EXEC
+//config: help
+//config: Support the 'find -exec ... {} +' option for executing commands
+//config: for all matched files at once.
+//config: Without this option, -exec + is a synonym for -exec ;
+//config: (IOW: it works correctly, but without expected speedup)
+//config:
+//config:config FEATURE_FIND_USER
+//config: bool "Enable -user: username/uid matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_GROUP
+//config: bool "Enable -group: group/gid matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_NOT
+//config: bool "Enable the 'not' (!) operator"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Support the '!' operator to invert the test results.
+//config: If 'Enable full-blown desktop' is enabled, then will also support
+//config: the non-POSIX notation '-not'.
+//config:
+//config:config FEATURE_FIND_DEPTH
+//config: bool "Enable -depth"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Process each directory's contents before the directory itself.
+//config:
+//config:config FEATURE_FIND_PAREN
+//config: bool "Enable parens in options"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Enable usage of parens '(' to specify logical order of arguments.
+//config:
+//config:config FEATURE_FIND_SIZE
+//config: bool "Enable -size: file size matching"
+//config: default y
+//config: depends on FIND
+//config:
+//config:config FEATURE_FIND_PRUNE
+//config: bool "Enable -prune: exclude subdirectories"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: If the file is a directory, don't descend into it. Useful for
+//config: exclusion .svn and CVS directories.
+//config:
+//config:config FEATURE_FIND_DELETE
+//config: bool "Enable -delete: delete files/dirs"
+//config: default y
+//config: depends on FIND && FEATURE_FIND_DEPTH
+//config: help
+//config: Support the 'find -delete' option for deleting files and directories.
+//config: WARNING: This option can do much harm if used wrong. Busybox will not
+//config: try to protect the user from doing stupid things. Use with care.
+//config:
+//config:config FEATURE_FIND_PATH
+//config: bool "Enable -path: match pathname with shell pattern"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: The -path option matches whole pathname instead of just filename.
+//config:
+//config:config FEATURE_FIND_REGEX
+//config: bool "Enable -regex: match pathname with regex"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: The -regex option matches whole pathname against regular expression.
+//config:
+//config:config FEATURE_FIND_CONTEXT
+//config: bool "Enable -context: security context matching"
+//config: default n
+//config: depends on FIND && SELINUX
+//config: help
+//config: Support the 'find -context' option for matching security context.
+//config:
+//config:config FEATURE_FIND_LINKS
+//config: bool "Enable -links: link count matching"
+//config: default y
+//config: depends on FIND
+//config: help
+//config: Support the 'find -links' option for matching number of links.
+
+//applet:IF_FIND(APPLET_NOEXEC(find, find, BB_DIR_USR_BIN, BB_SUID_DROP, find))
+
+//kbuild:lib-$(CONFIG_FIND) += find.o
+
+//usage:#define find_trivial_usage
+//usage: "[-HL] [PATH]... [OPTIONS] [ACTIONS]"
+//usage:#define find_full_usage "\n\n"
+//usage: "Search for files and perform actions on them.\n"
+//usage: "First failed action stops processing of current file.\n"
+//usage: "Defaults: PATH is current directory, action is '-print'\n"
+//usage: "\n -L,-follow Follow symlinks"
+//usage: "\n -H ...on command line only"
+//usage: IF_FEATURE_FIND_XDEV(
+//usage: "\n -xdev Don't descend directories on other filesystems"
+//usage: )
+//usage: IF_FEATURE_FIND_MAXDEPTH(
+//usage: "\n -maxdepth N Descend at most N levels. -maxdepth 0 applies"
+//usage: "\n actions to command line arguments only"
+//usage: "\n -mindepth N Don't act on first N levels"
+//usage: )
+//usage: IF_FEATURE_FIND_DEPTH(
+//usage: "\n -depth Act on directory *after* traversing it"
+//usage: )
+//usage: "\n"
+//usage: "\nActions:"
+//usage: IF_FEATURE_FIND_PAREN(
+//usage: "\n ( ACTIONS ) Group actions for -o / -a"
+//usage: )
+//usage: IF_FEATURE_FIND_NOT(
+//usage: "\n ! ACT Invert ACT's success/failure"
+//usage: )
+//usage: "\n ACT1 [-a] ACT2 If ACT1 fails, stop, else do ACT2"
+//usage: "\n ACT1 -o ACT2 If ACT1 succeeds, stop, else do ACT2"
+//usage: "\n Note: -a has higher priority than -o"
+//usage: "\n -name PATTERN Match file name (w/o directory name) to PATTERN"
+//usage: "\n -iname PATTERN Case insensitive -name"
+//usage: IF_FEATURE_FIND_PATH(
+//usage: "\n -path PATTERN Match path to PATTERN"
+//usage: "\n -ipath PATTERN Case insensitive -path"
+//usage: )
+//usage: IF_FEATURE_FIND_REGEX(
+//usage: "\n -regex PATTERN Match path to regex PATTERN"
+//usage: )
+//usage: IF_FEATURE_FIND_TYPE(
+//usage: "\n -type X File type is X (one of: f,d,l,b,c,...)"
+//usage: )
+//usage: IF_FEATURE_FIND_PERM(
+//usage: "\n -perm MASK At least one mask bit (+MASK), all bits (-MASK),"
+//usage: "\n or exactly MASK bits are set in file's mode"
+//usage: )
+//usage: IF_FEATURE_FIND_MTIME(
+//usage: "\n -mtime DAYS mtime is greater than (+N), less than (-N),"
+//usage: "\n or exactly N days in the past"
+//usage: )
+//usage: IF_FEATURE_FIND_MMIN(
+//usage: "\n -mmin MINS mtime is greater than (+N), less than (-N),"
+//usage: "\n or exactly N minutes in the past"
+//usage: )
+//usage: IF_FEATURE_FIND_NEWER(
+//usage: "\n -newer FILE mtime is more recent than FILE's"
+//usage: )
+//usage: IF_FEATURE_FIND_INUM(
+//usage: "\n -inum N File has inode number N"
+//usage: )
+//usage: IF_FEATURE_FIND_USER(
+//usage: "\n -user NAME/ID File is owned by given user"
+//usage: )
+//usage: IF_FEATURE_FIND_GROUP(
+//usage: "\n -group NAME/ID File is owned by given group"
+//usage: )
+//usage: IF_FEATURE_FIND_SIZE(
+//usage: "\n -size N[bck] File size is N (c:bytes,k:kbytes,b:512 bytes(def.))"
+//usage: "\n +/-N: file size is bigger/smaller than N"
+//usage: )
+//usage: IF_FEATURE_FIND_LINKS(
+//usage: "\n -links N Number of links is greater than (+N), less than (-N),"
+//usage: "\n or exactly N"
+//usage: )
+//usage: IF_FEATURE_FIND_CONTEXT(
+//usage: "\n -context CTX File has specified security context"
+//usage: )
+//usage: IF_FEATURE_FIND_PRUNE(
+//usage: "\n -prune If current file is directory, don't descend into it"
+//usage: )
+//usage: "\nIf none of the following actions is specified, -print is assumed"
+//usage: "\n -print Print file name"
+//usage: IF_FEATURE_FIND_PRINT0(
+//usage: "\n -print0 Print file name, NUL terminated"
+//usage: )
+//usage: IF_FEATURE_FIND_EXEC(
+//usage: "\n -exec CMD ARG ; Run CMD with all instances of {} replaced by"
+//usage: "\n file name. Fails if CMD exits with nonzero"
+//usage: )
+//usage: IF_FEATURE_FIND_EXEC_PLUS(
+//usage: "\n -exec CMD ARG + Run CMD with {} replaced by list of file names"
+//usage: )
+//usage: IF_FEATURE_FIND_DELETE(
+//usage: "\n -delete Delete current file/directory. Turns on -depth option"
+//usage: )
+//usage:
+//usage:#define find_example_usage
+//usage: "$ find / -name passwd\n"
+//usage: "/etc/passwd\n"
+
#include <fnmatch.h>
#include "libbb.h"
+#include "common_bufsiz.h"
#if ENABLE_FEATURE_FIND_REGEX
-#include "xregex.h"
+# include "xregex.h"
+#endif
+/* GNUism: */
+#ifndef FNM_CASEFOLD
+# define FNM_CASEFOLD 0
+#endif
+
+#if 1
+# define dbg(...) ((void)0)
+#else
+# define dbg(...) bb_error_msg(__VA_ARGS__)
#endif
-/* This is a NOEXEC applet. Be very careful! */
+/* This is a NOEXEC applet. Be very careful! */
-USE_FEATURE_FIND_XDEV(static dev_t *xdev_dev;)
-USE_FEATURE_FIND_XDEV(static int xdev_count;)
-typedef int (*action_fp)(const char *fileName, struct stat *statbuf, void *);
+typedef int (*action_fp)(const char *fileName, const struct stat *statbuf, void *) FAST_FUNC;
typedef struct {
action_fp f;
bool invert;
#endif
} action;
-#define ACTS(name, arg...) typedef struct { action a; arg; } action_##name;
-#define ACTF(name) static int func_##name(const char *fileName, struct stat *statbuf, action_##name* ap)
- ACTS(print)
- ACTS(name, const char *pattern;)
-USE_FEATURE_FIND_PATH( ACTS(path, const char *pattern;))
-USE_FEATURE_FIND_REGEX( ACTS(regex, regex_t compiled_pattern;))
-USE_FEATURE_FIND_PRINT0(ACTS(print0))
-USE_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
-USE_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
-USE_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
-USE_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
-USE_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
-USE_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
-USE_FEATURE_FIND_EXEC( ACTS(exec, char **exec_argv; unsigned *subst_count; int exec_argc;))
-USE_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
-USE_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
-USE_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
-USE_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;))
-USE_FEATURE_FIND_PRUNE( ACTS(prune))
-USE_FEATURE_FIND_DELETE(ACTS(delete))
-
-static action ***actions;
-static bool need_print = 1;
-static int recurse_flags = ACTION_RECURSE;
-#if ENABLE_FEATURE_FIND_EXEC
-static unsigned count_subst(const char *str)
-{
- unsigned count = 0;
- while ((str = strstr(str, "{}"))) {
- count++;
- str++;
- }
- return count;
-}
+#define ACTS(name, ...) typedef struct { action a; __VA_ARGS__ } action_##name;
+#define ACTF(name) \
+ static int FAST_FUNC func_##name(const char *fileName UNUSED_PARAM, \
+ const struct stat *statbuf UNUSED_PARAM, \
+ action_##name* ap UNUSED_PARAM)
+ ACTS(print)
+ ACTS(name, const char *pattern; bool iname;)
+IF_FEATURE_FIND_PATH( ACTS(path, const char *pattern; bool ipath;))
+IF_FEATURE_FIND_REGEX( ACTS(regex, regex_t compiled_pattern;))
+IF_FEATURE_FIND_PRINT0( ACTS(print0))
+IF_FEATURE_FIND_TYPE( ACTS(type, int type_mask;))
+IF_FEATURE_FIND_PERM( ACTS(perm, char perm_char; mode_t perm_mask;))
+IF_FEATURE_FIND_MTIME( ACTS(mtime, char mtime_char; unsigned mtime_days;))
+IF_FEATURE_FIND_MMIN( ACTS(mmin, char mmin_char; unsigned mmin_mins;))
+IF_FEATURE_FIND_NEWER( ACTS(newer, time_t newer_mtime;))
+IF_FEATURE_FIND_INUM( ACTS(inum, ino_t inode_num;))
+IF_FEATURE_FIND_USER( ACTS(user, uid_t uid;))
+IF_FEATURE_FIND_SIZE( ACTS(size, char size_char; off_t size;))
+IF_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;))
+IF_FEATURE_FIND_PAREN( ACTS(paren, action ***subexpr;))
+IF_FEATURE_FIND_PRUNE( ACTS(prune))
+IF_FEATURE_FIND_DELETE( ACTS(delete))
+IF_FEATURE_FIND_EXEC( ACTS(exec,
+ char **exec_argv; /* -exec ARGS */
+ unsigned *subst_count;
+ int exec_argc; /* count of ARGS */
+ IF_FEATURE_FIND_EXEC_PLUS(
+ /*
+ * filelist is NULL if "exec ;"
+ * non-NULL if "exec +"
+ */
+ char **filelist;
+ int filelist_idx;
+ int file_len;
+ )
+ ))
+IF_FEATURE_FIND_GROUP( ACTS(group, gid_t gid;))
+IF_FEATURE_FIND_LINKS( ACTS(links, char links_char; int links_count;))
-static char* subst(const char *src, unsigned count, const char* filename)
-{
- char *buf, *dst, *end;
- size_t flen = strlen(filename);
- /* we replace each '{}' with filename: growth by strlen-2 */
- buf = dst = xmalloc(strlen(src) + count*(flen-2) + 1);
- while ((end = strstr(src, "{}"))) {
- memcpy(dst, src, end - src);
- dst += end - src;
- src = end + 2;
- memcpy(dst, filename, flen);
- dst += flen;
- }
- strcpy(dst, src);
- return buf;
-}
+struct globals {
+ IF_FEATURE_FIND_XDEV(dev_t *xdev_dev;)
+ IF_FEATURE_FIND_XDEV(int xdev_count;)
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ int minmaxdepth[2];
#endif
+ action ***actions;
+ smallint need_print;
+ smallint xdev_on;
+ recurse_flags_t recurse_flags;
+ IF_FEATURE_FIND_EXEC_PLUS(unsigned max_argv_len;)
+} FIX_ALIASING;
+#define G (*(struct globals*)bb_common_bufsiz1)
+#define INIT_G() do { \
+ setup_common_bufsiz(); \
+ BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
+ /* we have to zero it out because of NOEXEC */ \
+ memset(&G, 0, sizeof(G)); \
+ IF_FEATURE_FIND_MAXDEPTH(G.minmaxdepth[1] = INT_MAX;) \
+ IF_FEATURE_FIND_EXEC_PLUS(G.max_argv_len = bb_arg_max() - 2048;) \
+ G.need_print = 1; \
+ G.recurse_flags = ACTION_RECURSE; \
+} while (0)
/* Return values of ACTFs ('action functions') are a bit mask:
* bit 1=1: prune (use SKIP constant for setting it)
* bit 0=1: matched successfully (TRUE)
*/
-static int exec_actions(action ***appp, const char *fileName, struct stat *statbuf)
+static int exec_actions(action ***appp, const char *fileName, const struct stat *statbuf)
{
int cur_group;
int cur_action;
* On return, bit is restored. */
cur_group = -1;
- while ((app = appp[++cur_group])) {
+ while ((app = appp[++cur_group]) != NULL) {
rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
cur_action = -1;
while (1) {
#if ENABLE_FEATURE_FIND_NOT
if (ap->invert) rc ^= TRUE;
#endif
+ dbg("grp %d action %d rc:0x%x", cur_group, cur_action, rc);
if (rc & TRUE) /* current group failed, try next */
break;
}
}
+ dbg("returning:0x%x", rc ^ TRUE);
return rc ^ TRUE; /* restore TRUE bit */
}
+#if !FNM_CASEFOLD
+static char *strcpy_upcase(char *dst, const char *src)
+{
+ char *d = dst;
+ while (1) {
+ unsigned char ch = *src++;
+ if (ch >= 'a' && ch <= 'z')
+ ch -= ('a' - 'A');
+ *d++ = ch;
+ if (ch == '\0')
+ break;
+ }
+ return dst;
+}
+#endif
ACTF(name)
{
- const char *tmp = strrchr(fileName, '/');
- if (tmp == NULL)
- tmp = fileName;
- else {
- tmp++;
- if (!*tmp) { /* "foo/bar/". Oh no... go back to 'b' */
+ int r;
+ const char *tmp = bb_basename(fileName);
+ /* GNU findutils: find DIR/ -name DIR
+ * prints "DIR/" (DIR// prints "DIR//" etc).
+ * Need to strip trailing "/".
+ * Such names can come only from top-level names, but
+ * we can't do this before recursive_action() call,
+ * since then "find FILE/ -name FILE"
+ * would also work (on non-directories), which is wrong.
+ */
+ char *trunc_slash = NULL;
+
+ if (*tmp == '\0') {
+ /* "foo/bar/[//...]" */
+ while (tmp != fileName && tmp[-1] == '/')
tmp--;
- while (tmp != fileName && *--tmp != '/')
- continue;
- if (*tmp == '/')
- tmp++;
+ if (tmp == fileName) { /* entire fileName is "//.."? */
+ /* yes, convert "//..." to "/"
+ * Testcases:
+ * find / -maxdepth 1 -name /: prints /
+ * find // -maxdepth 1 -name /: prints //
+ * find / -maxdepth 1 -name //: prints nothing
+ * find // -maxdepth 1 -name //: prints nothing
+ */
+ if (tmp[1])
+ trunc_slash = (char*)tmp + 1;
+ } else {
+ /* no, it's "foo/bar/[//...]", go back to 'b' */
+ trunc_slash = (char*)tmp;
+ while (tmp != fileName && tmp[-1] != '/')
+ tmp--;
}
}
- return fnmatch(ap->pattern, tmp, FNM_PERIOD) == 0;
+
+ /* Was using FNM_PERIOD flag too,
+ * but somewhere between 4.1.20 and 4.4.0 GNU find stopped using it.
+ * find -name '*foo' should match .foo too:
+ */
+ if (trunc_slash) *trunc_slash = '\0';
+#if FNM_CASEFOLD
+ r = fnmatch(ap->pattern, tmp, (ap->iname ? FNM_CASEFOLD : 0));
+#else
+ if (ap->iname)
+ tmp = strcpy_upcase(alloca(strlen(tmp) + 1), tmp);
+ r = fnmatch(ap->pattern, tmp, 0);
+#endif
+ if (trunc_slash) *trunc_slash = '/';
+ return r == 0;
}
+
#if ENABLE_FEATURE_FIND_PATH
ACTF(path)
{
+# if FNM_CASEFOLD
+ return fnmatch(ap->pattern, fileName, (ap->ipath ? FNM_CASEFOLD : 0)) == 0;
+# else
+ if (ap->ipath)
+ fileName = strcpy_upcase(alloca(strlen(fileName) + 1), fileName);
return fnmatch(ap->pattern, fileName, 0) == 0;
+# endif
}
#endif
#if ENABLE_FEATURE_FIND_REGEX
#if ENABLE_FEATURE_FIND_PERM
ACTF(perm)
{
- /* -perm +mode: at least one of perm_mask bits are set */
- if (ap->perm_char == '+')
+ /* -perm [+/]mode: at least one of perm_mask bits are set */
+ if (ap->perm_char == '+' || ap->perm_char == '/')
return (statbuf->st_mode & ap->perm_mask) != 0;
/* -perm -mode: all of perm_mask are set */
if (ap->perm_char == '-')
}
#endif
#if ENABLE_FEATURE_FIND_EXEC
-ACTF(exec)
+static int do_exec(action_exec *ap, const char *fileName)
{
int i, rc;
- char *argv[ap->exec_argc + 1];
- for (i = 0; i < ap->exec_argc; i++)
- argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
- argv[i] = NULL; /* terminate the list */
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ int size = ap->exec_argc + ap->filelist_idx + 1;
+# else
+ int size = ap->exec_argc + 1;
+# endif
+# if ENABLE_USE_PORTABLE_CODE
+ char **argv = alloca(sizeof(char*) * size);
+# else /* gcc 4.3.1 generates smaller code: */
+ char *argv[size];
+# endif
+ char **pp = argv;
+
+ for (i = 0; i < ap->exec_argc; i++) {
+ const char *arg = ap->exec_argv[i];
+
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ /* Handling "-exec +"
+ * Only one exec_argv[i] has substitution in it.
+ * Expand that one exec_argv[i] into file list.
+ */
+ if (ap->subst_count[i] == 0) {
+ *pp++ = xstrdup(arg);
+ } else {
+ int j = 0;
+ while (ap->filelist[j]) {
+ /* 2nd arg here should be ap->subst_count[i], but it is always 1: */
+ *pp++ = xmalloc_substitute_string(arg, 1, "{}", ap->filelist[j]);
+ free(ap->filelist[j]);
+ j++;
+ }
+ }
+ } else
+# endif
+ {
+ /* Handling "-exec ;" */
+ *pp++ = xmalloc_substitute_string(arg, ap->subst_count[i], "{}", fileName);
+ }
+ }
+ *pp = NULL; /* terminate the list */
+
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ ap->filelist[0] = NULL;
+ ap->filelist_idx = 0;
+ ap->file_len = 0;
+ }
+# endif
rc = spawn_and_wait(argv);
if (rc < 0)
- bb_perror_msg("%s", argv[0]);
+ bb_simple_perror_msg(argv[0]);
i = 0;
while (argv[i])
free(argv[i++]);
return rc == 0; /* return 1 if exitcode 0 */
}
+ACTF(exec)
+{
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (ap->filelist) {
+ int rc;
+
+ ap->filelist = xrealloc_vector(ap->filelist, 8, ap->filelist_idx);
+ ap->filelist[ap->filelist_idx++] = xstrdup(fileName);
+ ap->file_len += strlen(fileName) + sizeof(char*) + 1;
+ /* If we have lots of files already, exec the command */
+ rc = 1;
+ if (ap->file_len >= G.max_argv_len)
+ rc = do_exec(ap, NULL);
+ return rc;
+ }
+# endif
+ return do_exec(ap, fileName);
+}
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+static int flush_exec_plus(void)
+{
+ action *ap;
+ action **app;
+ action ***appp = G.actions;
+ while ((app = *appp++) != NULL) {
+ while ((ap = *app++) != NULL) {
+ if (ap->f == (action_fp)func_exec) {
+ action_exec *ae = (void*)ap;
+ if (ae->filelist_idx != 0) {
+ int rc = do_exec(ae, NULL);
+# if ENABLE_FEATURE_FIND_NOT
+ if (ap->invert) rc = !rc;
+# endif
+ if (rc == 0)
+ return 1;
+ }
+ }
+ }
+ }
+ return 0;
+}
+# endif
#endif
#if ENABLE_FEATURE_FIND_USER
ACTF(user)
{
int rc;
if (S_ISDIR(statbuf->st_mode)) {
- rc = rmdir(fileName);
+ /* "find . -delete" skips rmdir(".") */
+ rc = 0;
+ if (NOT_LONE_CHAR(fileName, '.'))
+ rc = rmdir(fileName);
} else {
rc = unlink(fileName);
}
if (rc < 0)
- bb_perror_msg("%s", fileName);
+ bb_simple_perror_msg(fileName);
return TRUE;
}
#endif
-
-
-static int fileAction(const char *fileName, struct stat *statbuf, void *userData, int depth)
+#if ENABLE_FEATURE_FIND_CONTEXT
+ACTF(context)
{
- int i;
-#if ENABLE_FEATURE_FIND_MAXDEPTH
- int maxdepth = (int)(ptrdiff_t)userData;
+ security_context_t con;
+ int rc;
- if (depth > maxdepth) return SKIP;
+ if (G.recurse_flags & ACTION_FOLLOWLINKS) {
+ rc = getfilecon(fileName, &con);
+ } else {
+ rc = lgetfilecon(fileName, &con);
+ }
+ if (rc < 0)
+ return FALSE;
+ rc = strcmp(ap->context, con);
+ freecon(con);
+ return rc == 0;
+}
#endif
+#if ENABLE_FEATURE_FIND_LINKS
+ACTF(links)
+{
+ switch(ap->links_char) {
+ case '-' : return (statbuf->st_nlink < ap->links_count);
+ case '+' : return (statbuf->st_nlink > ap->links_count);
+ default: return (statbuf->st_nlink == ap->links_count);
+ }
+}
+#endif
+
+static int FAST_FUNC fileAction(const char *fileName,
+ struct stat *statbuf,
+ void *userData UNUSED_PARAM,
+ int depth IF_NOT_FEATURE_FIND_MAXDEPTH(UNUSED_PARAM))
+{
+ int r;
+ int same_fs = 1;
#if ENABLE_FEATURE_FIND_XDEV
- if (S_ISDIR(statbuf->st_mode) && xdev_count) {
- for (i = 0; i < xdev_count; i++) {
- if (xdev_dev[i] != statbuf->st_dev)
- return SKIP;
+ if (S_ISDIR(statbuf->st_mode) && G.xdev_count) {
+ int i;
+ for (i = 0; i < G.xdev_count; i++) {
+ if (G.xdev_dev[i] == statbuf->st_dev)
+ goto found;
}
+ //bb_error_msg("'%s': not same fs", fileName);
+ same_fs = 0;
+ found: ;
+ }
+#endif
+
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ if (depth < G.minmaxdepth[0]) {
+ if (same_fs)
+ return TRUE; /* skip this, continue recursing */
+ return SKIP; /* stop recursing */
}
+ if (depth > G.minmaxdepth[1])
+ return SKIP; /* stop recursing */
#endif
- i = exec_actions(actions, fileName, statbuf);
+
+ r = exec_actions(G.actions, fileName, statbuf);
/* Had no explicit -print[0] or -exec? then print */
- if ((i & TRUE) && need_print)
+ if ((r & TRUE) && G.need_print)
puts(fileName);
+
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ if (S_ISDIR(statbuf->st_mode)) {
+ if (depth == G.minmaxdepth[1])
+ return SKIP;
+ }
+#endif
+ /* -xdev stops on mountpoints, but AFTER mountpoit itself
+ * is processed as usual */
+ if (!same_fs) {
+ return SKIP;
+ }
+
/* Cannot return 0: our caller, recursive_action(),
* will perror() and skip dirs (if called on dir) */
- return (i & SKIP) ? SKIP : TRUE;
+ return (r & SKIP) ? SKIP : TRUE;
}
else if (*type == 's')
mask = S_IFSOCK;
- if (mask == 0 || *(type + 1) != '\0')
- bb_error_msg_and_die(bb_msg_invalid_arg, type, "-type");
+ if (mask == 0 || type[1] != '\0')
+ bb_error_msg_and_die(bb_msg_invalid_arg_to, type, "-type");
return mask;
}
#endif
-#if ENABLE_FEATURE_FIND_PERM || ENABLE_FEATURE_FIND_MTIME \
- || ENABLE_FEATURE_FIND_MMIN
+#if ENABLE_FEATURE_FIND_PERM \
+ || ENABLE_FEATURE_FIND_MTIME || ENABLE_FEATURE_FIND_MMIN \
+ || ENABLE_FEATURE_FIND_SIZE || ENABLE_FEATURE_FIND_LINKS
static const char* plus_minus_num(const char* str)
{
if (*str == '-' || *str == '+')
}
#endif
+/* Say no to GCCism */
+#define USE_NESTED_FUNCTION 0
+
+#if !USE_NESTED_FUNCTION
+struct pp_locals {
+ action*** appp;
+ unsigned cur_group;
+ unsigned cur_action;
+ IF_FEATURE_FIND_NOT( bool invert_flag; )
+};
+static action* alloc_action(struct pp_locals *ppl, int sizeof_struct, action_fp f)
+{
+ action *ap = xzalloc(sizeof_struct);
+ action **app;
+ action ***group = &ppl->appp[ppl->cur_group];
+ *group = app = xrealloc(*group, (ppl->cur_action+2) * sizeof(ppl->appp[0][0]));
+ app[ppl->cur_action++] = ap;
+ app[ppl->cur_action] = NULL;
+ ap->f = f;
+ IF_FEATURE_FIND_NOT( ap->invert = ppl->invert_flag; )
+ IF_FEATURE_FIND_NOT( ppl->invert_flag = 0; )
+ return ap;
+}
+#endif
+
static action*** parse_params(char **argv)
{
enum {
+ OPT_FOLLOW ,
+ IF_FEATURE_FIND_XDEV( OPT_XDEV ,)
+ IF_FEATURE_FIND_DEPTH( OPT_DEPTH ,)
PARM_a ,
PARM_o ,
- USE_FEATURE_FIND_NOT( PARM_char_not ,)
- PARM_print ,
- USE_FEATURE_FIND_PRINT0(PARM_print0 ,)
- PARM_name ,
- USE_FEATURE_FIND_PATH( PARM_path ,)
- USE_FEATURE_FIND_REGEX( PARM_regex ,)
- USE_FEATURE_FIND_TYPE( PARM_type ,)
- USE_FEATURE_FIND_PERM( PARM_perm ,)
- USE_FEATURE_FIND_MTIME( PARM_mtime ,)
- USE_FEATURE_FIND_MMIN( PARM_mmin ,)
- USE_FEATURE_FIND_NEWER( PARM_newer ,)
- USE_FEATURE_FIND_INUM( PARM_inum ,)
- USE_FEATURE_FIND_EXEC( PARM_exec ,)
- USE_FEATURE_FIND_USER( PARM_user ,)
- USE_FEATURE_FIND_GROUP( PARM_group ,)
- USE_FEATURE_FIND_DEPTH( PARM_depth ,)
- USE_FEATURE_FIND_PAREN( PARM_char_brace,)
- USE_FEATURE_FIND_SIZE( PARM_size ,)
- USE_FEATURE_FIND_PRUNE( PARM_prune ,)
- USE_FEATURE_FIND_DELETE(PARM_delete ,)
+ IF_FEATURE_FIND_NOT( PARM_char_not ,)
#if ENABLE_DESKTOP
PARM_and ,
PARM_or ,
- USE_FEATURE_FIND_NOT( PARM_not ,)
+ IF_FEATURE_FIND_NOT( PARM_not ,)
+#endif
+ PARM_print ,
+ IF_FEATURE_FIND_PRINT0( PARM_print0 ,)
+ IF_FEATURE_FIND_PRUNE( PARM_prune ,)
+ IF_FEATURE_FIND_DELETE( PARM_delete ,)
+ IF_FEATURE_FIND_EXEC( PARM_exec ,)
+ IF_FEATURE_FIND_PAREN( PARM_char_brace,)
+ /* All options/actions starting from here require argument */
+ PARM_name ,
+ PARM_iname ,
+ IF_FEATURE_FIND_PATH( PARM_path ,)
+#if ENABLE_DESKTOP
+ /* -wholename is a synonym for -path */
+ /* We support it because Linux kernel's "make tags" uses it */
+ IF_FEATURE_FIND_PATH( PARM_wholename ,)
#endif
+ IF_FEATURE_FIND_PATH( PARM_ipath ,)
+ IF_FEATURE_FIND_REGEX( PARM_regex ,)
+ IF_FEATURE_FIND_TYPE( PARM_type ,)
+ IF_FEATURE_FIND_PERM( PARM_perm ,)
+ IF_FEATURE_FIND_MTIME( PARM_mtime ,)
+ IF_FEATURE_FIND_MMIN( PARM_mmin ,)
+ IF_FEATURE_FIND_NEWER( PARM_newer ,)
+ IF_FEATURE_FIND_INUM( PARM_inum ,)
+ IF_FEATURE_FIND_USER( PARM_user ,)
+ IF_FEATURE_FIND_GROUP( PARM_group ,)
+ IF_FEATURE_FIND_SIZE( PARM_size ,)
+ IF_FEATURE_FIND_CONTEXT(PARM_context ,)
+ IF_FEATURE_FIND_LINKS( PARM_links ,)
+ IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,OPT_MAXDEPTH,)
};
- static const char *const params[] = {
- "-a" ,
- "-o" ,
- USE_FEATURE_FIND_NOT( "!" ,)
- "-print" ,
- USE_FEATURE_FIND_PRINT0("-print0",)
- "-name" ,
- USE_FEATURE_FIND_PATH( "-path" ,)
- USE_FEATURE_FIND_REGEX( "-regex" ,)
- USE_FEATURE_FIND_TYPE( "-type" ,)
- USE_FEATURE_FIND_PERM( "-perm" ,)
- USE_FEATURE_FIND_MTIME( "-mtime" ,)
- USE_FEATURE_FIND_MMIN( "-mmin" ,)
- USE_FEATURE_FIND_NEWER( "-newer" ,)
- USE_FEATURE_FIND_INUM( "-inum" ,)
- USE_FEATURE_FIND_EXEC( "-exec" ,)
- USE_FEATURE_FIND_USER( "-user" ,)
- USE_FEATURE_FIND_GROUP( "-group" ,)
- USE_FEATURE_FIND_DEPTH( "-depth" ,)
- USE_FEATURE_FIND_PAREN( "(" ,)
- USE_FEATURE_FIND_SIZE( "-size" ,)
- USE_FEATURE_FIND_PRUNE( "-prune" ,)
- USE_FEATURE_FIND_DELETE("-delete",)
+ static const char params[] ALIGN1 =
+ "-follow\0"
+ IF_FEATURE_FIND_XDEV( "-xdev\0" )
+ IF_FEATURE_FIND_DEPTH( "-depth\0" )
+ "-a\0"
+ "-o\0"
+ IF_FEATURE_FIND_NOT( "!\0" )
#if ENABLE_DESKTOP
- "-and" ,
- "-or" ,
- USE_FEATURE_FIND_NOT( "-not" ,)
+ "-and\0"
+ "-or\0"
+ IF_FEATURE_FIND_NOT( "-not\0" )
#endif
- NULL
- };
+ "-print\0"
+ IF_FEATURE_FIND_PRINT0( "-print0\0" )
+ IF_FEATURE_FIND_PRUNE( "-prune\0" )
+ IF_FEATURE_FIND_DELETE( "-delete\0" )
+ IF_FEATURE_FIND_EXEC( "-exec\0" )
+ IF_FEATURE_FIND_PAREN( "(\0" )
+ /* All options/actions starting from here require argument */
+ "-name\0"
+ "-iname\0"
+ IF_FEATURE_FIND_PATH( "-path\0" )
+#if ENABLE_DESKTOP
+ IF_FEATURE_FIND_PATH( "-wholename\0")
+#endif
+ IF_FEATURE_FIND_PATH( "-ipath\0" )
+ IF_FEATURE_FIND_REGEX( "-regex\0" )
+ IF_FEATURE_FIND_TYPE( "-type\0" )
+ IF_FEATURE_FIND_PERM( "-perm\0" )
+ IF_FEATURE_FIND_MTIME( "-mtime\0" )
+ IF_FEATURE_FIND_MMIN( "-mmin\0" )
+ IF_FEATURE_FIND_NEWER( "-newer\0" )
+ IF_FEATURE_FIND_INUM( "-inum\0" )
+ IF_FEATURE_FIND_USER( "-user\0" )
+ IF_FEATURE_FIND_GROUP( "-group\0" )
+ IF_FEATURE_FIND_SIZE( "-size\0" )
+ IF_FEATURE_FIND_CONTEXT("-context\0")
+ IF_FEATURE_FIND_LINKS( "-links\0" )
+ IF_FEATURE_FIND_MAXDEPTH("-mindepth\0""-maxdepth\0")
+ ;
+#if !USE_NESTED_FUNCTION
+ struct pp_locals ppl;
+#define appp (ppl.appp )
+#define cur_group (ppl.cur_group )
+#define cur_action (ppl.cur_action )
+#define invert_flag (ppl.invert_flag)
+#define ALLOC_ACTION(name) (action_##name*)alloc_action(&ppl, sizeof(action_##name), (action_fp) func_##name)
+#else
action*** appp;
- unsigned cur_group = 0;
- unsigned cur_action = 0;
- USE_FEATURE_FIND_NOT( bool invert_flag = 0; )
+ unsigned cur_group;
+ unsigned cur_action;
+ IF_FEATURE_FIND_NOT( bool invert_flag; )
- /* 'static' doesn't work here! (gcc 4.1.2) */
+ /* This is the only place in busybox where we use nested function.
+ * So far more standard alternatives were bigger. */
+ /* Auto decl suppresses "func without a prototype" warning: */
+ auto action* alloc_action(int sizeof_struct, action_fp f);
action* alloc_action(int sizeof_struct, action_fp f)
{
action *ap;
- appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(*appp));
- appp[cur_group][cur_action++] = ap = xmalloc(sizeof_struct);
+ appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(appp[0][0]));
+ appp[cur_group][cur_action++] = ap = xzalloc(sizeof_struct);
appp[cur_group][cur_action] = NULL;
ap->f = f;
- USE_FEATURE_FIND_NOT( ap->invert = invert_flag; )
- USE_FEATURE_FIND_NOT( invert_flag = 0; )
+ IF_FEATURE_FIND_NOT( ap->invert = invert_flag; )
+ IF_FEATURE_FIND_NOT( invert_flag = 0; )
return ap;
}
-
#define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
+#endif
+ cur_group = 0;
+ cur_action = 0;
+ IF_FEATURE_FIND_NOT( invert_flag = 0; )
appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */
-/* Actions have side effects and return a true or false value
- * We implement: -print, -print0, -exec
- *
- * The rest are tests.
- *
- * Tests and actions are grouped by operators
+ while (*argv) {
+ const char *arg = argv[0];
+ int parm = index_in_strings(params, arg);
+ const char *arg1 = argv[1];
+
+ dbg("arg:'%s' arg1:'%s' parm:%d PARM_type:%d", arg, arg1, parm, PARM_type);
+
+ if (parm >= PARM_name) {
+ /* All options/actions starting from -name require argument */
+ if (!arg1)
+ bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ argv++;
+ }
+
+ /* We can use big switch() here, but on i386
+ * it doesn't give smaller code. Other arches? */
+
+/* Options always return true. They always take effect
+ * rather than being processed only when their place in the
+ * expression is reached.
+ */
+ /* Options */
+ if (parm == OPT_FOLLOW) {
+ dbg("follow enabled: %d", __LINE__);
+ G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
+ }
+#if ENABLE_FEATURE_FIND_XDEV
+ else if (parm == OPT_XDEV) {
+ dbg("%d", __LINE__);
+ G.xdev_on = 1;
+ }
+#endif
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ else if (parm == OPT_MINDEPTH || parm == OPT_MINDEPTH + 1) {
+ dbg("%d", __LINE__);
+ G.minmaxdepth[parm - OPT_MINDEPTH] = xatoi_positive(arg1);
+ }
+#endif
+#if ENABLE_FEATURE_FIND_DEPTH
+ else if (parm == OPT_DEPTH) {
+ dbg("%d", __LINE__);
+ G.recurse_flags |= ACTION_DEPTHFIRST;
+ }
+#endif
+/* Actions are grouped by operators
* ( expr ) Force precedence
* ! expr True if expr is false
* -not expr Same as ! expr
* expr1 , expr2 List; both expr1 and expr2 are always evaluated
* We implement: (), -a, -o
*/
- while (*argv) {
- const char *arg = argv[0];
- const char *arg1 = argv[1];
- int parm = index_in_str_array(params, arg);
- /* --- Operators --- */
- if (parm == PARM_a USE_DESKTOP(|| parm == PARM_and)) {
+ /* Operators */
+ else if (parm == PARM_a IF_DESKTOP(|| parm == PARM_and)) {
+ dbg("%d", __LINE__);
/* no further special handling required */
}
- else if (parm == PARM_o USE_DESKTOP(|| parm == PARM_or)) {
+ else if (parm == PARM_o IF_DESKTOP(|| parm == PARM_or)) {
+ dbg("%d", __LINE__);
/* start new OR group */
cur_group++;
- appp = xrealloc(appp, (cur_group+2) * sizeof(*appp));
+ appp = xrealloc(appp, (cur_group+2) * sizeof(appp[0]));
/*appp[cur_group] = NULL; - already NULL */
appp[cur_group+1] = NULL;
cur_action = 0;
}
#if ENABLE_FEATURE_FIND_NOT
- else if (parm == PARM_char_not USE_DESKTOP(|| parm == PARM_not)) {
+ else if (parm == PARM_char_not IF_DESKTOP(|| parm == PARM_not)) {
/* also handles "find ! ! -name 'foo*'" */
invert_flag ^= 1;
+ dbg("invert_flag:%d", invert_flag);
}
#endif
-
- /* --- Tests and actions --- */
+ /* Actions */
else if (parm == PARM_print) {
- need_print = 0;
- /* GNU find ignores '!' here: "find ! -print" */
- USE_FEATURE_FIND_NOT( invert_flag = 0; )
+ dbg("%d", __LINE__);
+ G.need_print = 0;
(void) ALLOC_ACTION(print);
}
#if ENABLE_FEATURE_FIND_PRINT0
else if (parm == PARM_print0) {
- need_print = 0;
- USE_FEATURE_FIND_NOT( invert_flag = 0; )
+ dbg("%d", __LINE__);
+ G.need_print = 0;
(void) ALLOC_ACTION(print0);
}
#endif
- else if (parm == PARM_name) {
- action_name *ap;
- if (!*++argv)
+#if ENABLE_FEATURE_FIND_PRUNE
+ else if (parm == PARM_prune) {
+ dbg("%d", __LINE__);
+ (void) ALLOC_ACTION(prune);
+ }
+#endif
+#if ENABLE_FEATURE_FIND_DELETE
+ else if (parm == PARM_delete) {
+ dbg("%d", __LINE__);
+ G.need_print = 0;
+ G.recurse_flags |= ACTION_DEPTHFIRST;
+ (void) ALLOC_ACTION(delete);
+ }
+#endif
+#if ENABLE_FEATURE_FIND_EXEC
+ else if (parm == PARM_exec) {
+ int i;
+ action_exec *ap;
+ IF_FEATURE_FIND_EXEC_PLUS(int all_subst = 0;)
+ dbg("%d", __LINE__);
+ G.need_print = 0;
+ ap = ALLOC_ACTION(exec);
+ ap->exec_argv = ++argv; /* first arg after -exec */
+ /*ap->exec_argc = 0; - ALLOC_ACTION did it */
+ while (1) {
+ if (!*argv) /* did not see ';' or '+' until end */
+ bb_error_msg_and_die(bb_msg_requires_arg, "-exec");
+ // find -exec echo Foo ">{}<" ";"
+ // executes "echo Foo >FILENAME<",
+ // find -exec echo Foo ">{}<" "+"
+ // executes "echo Foo FILENAME1 FILENAME2 FILENAME3...".
+ if ((argv[0][0] == ';' || argv[0][0] == '+')
+ && argv[0][1] == '\0'
+ ) {
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ if (argv[0][0] == '+')
+ ap->filelist = xzalloc(sizeof(ap->filelist[0]));
+# endif
+ break;
+ }
+ argv++;
+ ap->exec_argc++;
+ }
+ if (ap->exec_argc == 0)
bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ ap->subst_count = xmalloc(ap->exec_argc * sizeof(int));
+ i = ap->exec_argc;
+ while (i--) {
+ ap->subst_count[i] = count_strstr(ap->exec_argv[i], "{}");
+ IF_FEATURE_FIND_EXEC_PLUS(all_subst += ap->subst_count[i];)
+ }
+# if ENABLE_FEATURE_FIND_EXEC_PLUS
+ /*
+ * coreutils expects {} to appear only once in "-exec +"
+ */
+ if (all_subst != 1 && ap->filelist)
+ bb_error_msg_and_die("only one '{}' allowed for -exec +");
+# endif
+ }
+#endif
+#if ENABLE_FEATURE_FIND_PAREN
+ else if (parm == PARM_char_brace) {
+ action_paren *ap;
+ char **endarg;
+ unsigned nested = 1;
+
+ dbg("%d", __LINE__);
+ endarg = argv;
+ while (1) {
+ if (!*++endarg)
+ bb_error_msg_and_die("unpaired '('");
+ if (LONE_CHAR(*endarg, '('))
+ nested++;
+ else if (LONE_CHAR(*endarg, ')') && !--nested) {
+ *endarg = NULL;
+ break;
+ }
+ }
+ ap = ALLOC_ACTION(paren);
+ ap->subexpr = parse_params(argv + 1);
+ *endarg = (char*) ")"; /* restore NULLed parameter */
+ argv = endarg;
+ }
+#endif
+ else if (parm == PARM_name || parm == PARM_iname) {
+ action_name *ap;
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(name);
ap->pattern = arg1;
+ ap->iname = (parm == PARM_iname);
}
#if ENABLE_FEATURE_FIND_PATH
- else if (parm == PARM_path) {
+ else if (parm == PARM_path IF_DESKTOP(|| parm == PARM_wholename) || parm == PARM_ipath) {
action_path *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(path);
ap->pattern = arg1;
+ ap->ipath = (parm == PARM_ipath);
}
#endif
#if ENABLE_FEATURE_FIND_REGEX
else if (parm == PARM_regex) {
action_regex *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(regex);
xregcomp(&ap->compiled_pattern, arg1, 0 /*cflags*/);
}
#if ENABLE_FEATURE_FIND_TYPE
else if (parm == PARM_type) {
action_type *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
ap = ALLOC_ACTION(type);
ap->type_mask = find_type(arg1);
+ dbg("created:type mask:%x", ap->type_mask);
}
#endif
#if ENABLE_FEATURE_FIND_PERM
-/* -perm mode File's permission bits are exactly mode (octal or symbolic).
+/* -perm BITS File's mode bits are exactly BITS (octal or symbolic).
* Symbolic modes use mode 0 as a point of departure.
- * -perm -mode All of the permission bits mode are set for the file.
- * -perm +mode Any of the permission bits mode are set for the file.
+ * -perm -BITS All of the BITS are set in file's mode.
+ * -perm [+/]BITS At least one of the BITS is set in file's mode.
*/
else if (parm == PARM_perm) {
action_perm *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(perm);
ap->perm_char = arg1[0];
- arg1 = plus_minus_num(arg1);
- ap->perm_mask = 0;
- if (!bb_parse_mode(arg1, &ap->perm_mask))
- bb_error_msg_and_die("invalid mode: %s", arg1);
+ arg1 = (arg1[0] == '/' ? arg1+1 : plus_minus_num(arg1));
+ /*ap->perm_mask = 0; - ALLOC_ACTION did it */
+ ap->perm_mask = bb_parse_mode(arg1, ap->perm_mask);
+ if (ap->perm_mask == (mode_t)-1)
+ bb_error_msg_and_die("invalid mode '%s'", arg1);
}
#endif
#if ENABLE_FEATURE_FIND_MTIME
else if (parm == PARM_mtime) {
action_mtime *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(mtime);
ap->mtime_char = arg1[0];
ap->mtime_days = xatoul(plus_minus_num(arg1));
#if ENABLE_FEATURE_FIND_MMIN
else if (parm == PARM_mmin) {
action_mmin *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(mmin);
ap->mmin_char = arg1[0];
ap->mmin_mins = xatoul(plus_minus_num(arg1));
#endif
#if ENABLE_FEATURE_FIND_NEWER
else if (parm == PARM_newer) {
- action_newer *ap;
struct stat stat_newer;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
- xstat(arg1, &stat_newer);
+ action_newer *ap;
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(newer);
+ xstat(arg1, &stat_newer);
ap->newer_mtime = stat_newer.st_mtime;
}
#endif
#if ENABLE_FEATURE_FIND_INUM
else if (parm == PARM_inum) {
action_inum *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(inum);
ap->inode_num = xatoul(arg1);
}
#endif
-#if ENABLE_FEATURE_FIND_EXEC
- else if (parm == PARM_exec) {
- int i;
- action_exec *ap;
- need_print = 0;
- USE_FEATURE_FIND_NOT( invert_flag = 0; )
- ap = ALLOC_ACTION(exec);
- ap->exec_argv = ++argv; /* first arg after -exec */
- ap->exec_argc = 0;
- while (1) {
- if (!*argv) /* did not see ';' until end */
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
- if (LONE_CHAR(argv[0], ';'))
- break;
- argv++;
- ap->exec_argc++;
- }
- if (ap->exec_argc == 0)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
- ap->subst_count = xmalloc(ap->exec_argc * sizeof(int));
- i = ap->exec_argc;
- while (i--)
- ap->subst_count[i] = count_subst(ap->exec_argv[i]);
- }
-#endif
#if ENABLE_FEATURE_FIND_USER
else if (parm == PARM_user) {
action_user *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(user);
ap->uid = bb_strtou(arg1, NULL, 10);
if (errno)
#if ENABLE_FEATURE_FIND_GROUP
else if (parm == PARM_group) {
action_group *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(group);
ap->gid = bb_strtou(arg1, NULL, 10);
if (errno)
ap->gid = xgroup2gid(arg1);
}
#endif
-#if ENABLE_FEATURE_FIND_DEPTH
- else if (parm == PARM_depth) {
- recurse_flags |= ACTION_DEPTHFIRST;
- }
-#endif
-#if ENABLE_FEATURE_FIND_PAREN
- else if (parm == PARM_char_brace) {
- action_paren *ap;
- char **endarg;
- unsigned nested = 1;
-
- endarg = argv;
- while (1) {
- if (!*++endarg)
- bb_error_msg_and_die("unpaired '('");
- if (LONE_CHAR(*endarg, '('))
- nested++;
- else if (LONE_CHAR(*endarg, ')') && !--nested) {
- *endarg = NULL;
- break;
- }
- }
- ap = ALLOC_ACTION(paren);
- ap->subexpr = parse_params(argv + 1);
- *endarg = (char*) ")"; /* restore NULLed parameter */
- argv = endarg;
- }
-#endif
#if ENABLE_FEATURE_FIND_SIZE
else if (parm == PARM_size) {
/* -size n[bckw]: file uses n units of space
#define XATOU_SFX xatoul_sfx
#endif
static const struct suffix_mult find_suffixes[] = {
- { "c", 1 },
- { "w", 2 },
- { "b"+1, 512 },
- { "b", 512 },
- { "k", 1024 },
- { NULL, 0 }
+ { "c", 1 },
+ { "w", 2 },
+ { "", 512 },
+ { "b", 512 },
+ { "k", 1024 },
+ { "", 0 }
};
action_size *ap;
- if (!*++argv)
- bb_error_msg_and_die(bb_msg_requires_arg, arg);
+ dbg("%d", __LINE__);
ap = ALLOC_ACTION(size);
ap->size_char = arg1[0];
ap->size = XATOU_SFX(plus_minus_num(arg1), find_suffixes);
}
#endif
-#if ENABLE_FEATURE_FIND_PRUNE
- else if (parm == PARM_prune) {
- USE_FEATURE_FIND_NOT( invert_flag = 0; )
- (void) ALLOC_ACTION(prune);
+#if ENABLE_FEATURE_FIND_CONTEXT
+ else if (parm == PARM_context) {
+ action_context *ap;
+ dbg("%d", __LINE__);
+ ap = ALLOC_ACTION(context);
+ /*ap->context = NULL; - ALLOC_ACTION did it */
+ /* SELinux headers erroneously declare non-const parameter */
+ if (selinux_raw_to_trans_context((char*)arg1, &ap->context))
+ bb_simple_perror_msg(arg1);
}
#endif
-#if ENABLE_FEATURE_FIND_DELETE
- else if (parm == PARM_delete) {
- need_print = 0;
- recurse_flags |= ACTION_DEPTHFIRST;
- (void) ALLOC_ACTION(delete);
+#if ENABLE_FEATURE_FIND_LINKS
+ else if (parm == PARM_links) {
+ action_links *ap;
+ dbg("%d", __LINE__);
+ ap = ALLOC_ACTION(links);
+ ap->links_char = arg1[0];
+ ap->links_count = xatoul(plus_minus_num(arg1));
}
#endif
else {
}
argv++;
}
+ dbg("exiting %s", __func__);
return appp;
#undef ALLOC_ACTION
+#undef appp
+#undef cur_action
+#undef invert_flag
}
-
-int find_main(int argc, char **argv);
-int find_main(int argc, char **argv)
+int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int find_main(int argc UNUSED_PARAM, char **argv)
{
- static const char *const options[] = {
- "-follow",
-USE_FEATURE_FIND_XDEV( "-xdev" ,)
-USE_FEATURE_FIND_MAXDEPTH("-maxdepth",)
- NULL
- };
- enum {
- OPT_FOLLOW,
-USE_FEATURE_FIND_XDEV( OPT_XDEV ,)
-USE_FEATURE_FIND_MAXDEPTH(OPT_MAXDEPTH,)
- };
-
- char *arg;
- char **argp;
int i, firstopt, status = EXIT_SUCCESS;
-#if ENABLE_FEATURE_FIND_MAXDEPTH
- int maxdepth = INT_MAX;
-#endif
+ char **past_HLP, *saved;
- for (firstopt = 1; firstopt < argc; firstopt++) {
+ INIT_G();
+
+ /* "find -type f" + getopt("+HLP") => disaster.
+ * Need to avoid getopt running into a non-HLP option.
+ * Do this by temporarily storing NULL there:
+ */
+ past_HLP = argv;
+ for (;;) {
+ saved = *++past_HLP;
+ if (!saved)
+ break;
+ if (saved[0] != '-')
+ break;
+ if (!saved[1])
+ break; /* it is "-" */
+ if ((saved+1)[strspn(saved+1, "HLP")] != '\0')
+ break;
+ }
+ *past_HLP = NULL;
+ /* "+": stop on first non-option */
+ i = getopt32(argv, "+HLP");
+ if (i & (1<<0))
+ G.recurse_flags |= ACTION_FOLLOWLINKS_L0 | ACTION_DANGLING_OK;
+ if (i & (1<<1))
+ G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
+ /* -P is default and is ignored */
+ argv = past_HLP; /* same result as "argv += optind;" */
+ *past_HLP = saved;
+
+ for (firstopt = 0; argv[firstopt]; firstopt++) {
if (argv[firstopt][0] == '-')
break;
if (ENABLE_FEATURE_FIND_NOT && LONE_CHAR(argv[firstopt], '!'))
break;
-#if ENABLE_FEATURE_FIND_PAREN
- if (LONE_CHAR(argv[firstopt], '('))
+ if (ENABLE_FEATURE_FIND_PAREN && LONE_CHAR(argv[firstopt], '('))
break;
-#endif
}
- if (firstopt == 1) {
- argv[0] = (char*)".";
- argv--;
+ if (firstopt == 0) {
+ *--argv = (char*)".";
firstopt++;
}
-/* All options always return true. They always take effect
- * rather than being processed only when their place in the
- * expression is reached.
- * We implement: -follow, -xdev, -maxdepth
- */
- /* Process options, and replace then with -a */
- /* (-a will be ignored by recursive parser later) */
- argp = &argv[firstopt];
- while ((arg = argp[0])) {
- int opt = index_in_str_array(options, arg);
- if (opt == OPT_FOLLOW) {
- recurse_flags |= ACTION_FOLLOWLINKS;
- argp[0] = (char*)"-a";
- }
+ G.actions = parse_params(&argv[firstopt]);
+ argv[firstopt] = NULL;
+
#if ENABLE_FEATURE_FIND_XDEV
- if (opt == OPT_XDEV) {
- struct stat stbuf;
- if (!xdev_count) {
- xdev_count = firstopt - 1;
- xdev_dev = xmalloc(xdev_count * sizeof(dev_t));
- for (i = 1; i < firstopt; i++) {
- /* not xstat(): shouldn't bomb out on
- * "find not_exist exist -xdev" */
- if (stat(argv[i], &stbuf))
- stbuf.st_dev = -1L;
- xdev_dev[i-1] = stbuf.st_dev;
- }
- }
- argp[0] = (char*)"-a";
- }
-#endif
-#if ENABLE_FEATURE_FIND_MAXDEPTH
- if (opt == OPT_MAXDEPTH) {
- if (!argp[1])
- bb_show_usage();
- maxdepth = xatoi_u(argp[1]);
- argp[0] = (char*)"-a";
- argp[1] = (char*)"-a";
- argp++;
+ if (G.xdev_on) {
+ struct stat stbuf;
+
+ G.xdev_count = firstopt;
+ G.xdev_dev = xzalloc(G.xdev_count * sizeof(G.xdev_dev[0]));
+ for (i = 0; argv[i]; i++) {
+ /* not xstat(): shouldn't bomb out on
+ * "find not_exist exist -xdev" */
+ if (stat(argv[i], &stbuf) == 0)
+ G.xdev_dev[i] = stbuf.st_dev;
+ /* else G.xdev_dev[i] stays 0 and
+ * won't match any real device dev_t
+ */
}
-#endif
- argp++;
}
+#endif
- actions = parse_params(&argv[firstopt]);
-
- for (i = 1; i < firstopt; i++) {
+ for (i = 0; argv[i]; i++) {
if (!recursive_action(argv[i],
- recurse_flags, /* flags */
+ G.recurse_flags,/* flags */
fileAction, /* file action */
fileAction, /* dir action */
-#if ENABLE_FEATURE_FIND_MAXDEPTH
- (void*)maxdepth,/* user data */
-#else
NULL, /* user data */
-#endif
- 0)) /* depth */
- status = EXIT_FAILURE;
+ 0) /* depth */
+ ) {
+ status |= EXIT_FAILURE;
+ }
}
+
+ IF_FEATURE_FIND_EXEC_PLUS(status |= flush_exec_plus();)
return status;
}
projects / oweals / busybox.git / blobdiff