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https://github.com/sheumann/hush.git
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md5_sha1_sum: fix mishandling when run as /bin/md5sum (with path)
chown/chgrp: completely match coreutils 6.8 wrt symlink handling function old new delta recursive_action 411 422 +11 arith 2033 2042 +9 collect_blk 467 474 +7 dhcprelay_main 1122 1125 +3 fsck_main 1909 1911 +2 singlemount 4555 4547 -8 xmalloc_realpath 14 - -14 get_lcm 123 105 -18 ed_main 3111 3084 -27 chown_main 217 183 -34 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 5/4 up/down: 32/-101) Total: -69 bytes text data bss dec hex filename 684132 2744 14000 700876 ab1cc busybox_old 684060 2744 14000 700804 ab184 busybox_unstripped
This commit is contained in:
Denis Vlasenko
parent
42b3dea9bf
commit
d166f83d74
@ -65,6 +65,7 @@ int chown_main(int argc, char **argv);
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int chown_main(int argc, char **argv)
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{
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int retval = EXIT_SUCCESS;
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int flags;
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chown_fptr chown_func;
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opt_complementary = "-2";
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@ -80,23 +81,21 @@ int chown_main(int argc, char **argv)
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chown_func = lchown;
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}
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flags = ACTION_DEPTHFIRST; /* match coreutils order */
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if (OPT_RECURSE)
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flags |= ACTION_RECURSE;
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if (OPT_TRAVERSE_TOP)
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flags |= ACTION_FOLLOWLINKS_L0; /* -H/-L: follow links on depth 0 */
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if (OPT_TRAVERSE)
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flags |= ACTION_FOLLOWLINKS; /* follow links if -L */
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parse_chown_usergroup_or_die(&ugid, argv[0]);
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/* Ok, ready to do the deed now */
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argv++;
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do {
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char *arg = *argv;
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if (OPT_TRAVERSE_TOP) {
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/* resolves symlink (even recursive) */
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arg = xmalloc_realpath(arg);
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if (!arg)
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continue;
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}
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if (!recursive_action(arg,
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(OPT_RECURSE ? ACTION_RECURSE : 0) | /* recurse */
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(OPT_TRAVERSE ? ACTION_FOLLOWLINKS : 0),/* follow links if -L */
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if (!recursive_action(*argv,
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flags, /* flags */
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fileAction, /* file action */
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fileAction, /* dir action */
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chown_func, /* user data */
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@ -104,9 +103,6 @@ int chown_main(int argc, char **argv)
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) {
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retval = EXIT_FAILURE;
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}
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if (OPT_TRAVERSE_TOP)
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free(arg);
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} while (*++argv);
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return retval;
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@ -137,8 +133,10 @@ create() {
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tst() {
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create test1
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create test2
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(cd test1; $t1 $1)
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(cd test2; $t2 $1)
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echo "[$1]" >>test1.out
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echo "[$1]" >>test2.out
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(cd test1; $t1 $1) >>test1.out 2>&1
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(cd test2; $t2 $1) >>test2.out 2>&1
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(cd test1; ls -lnR) >out1
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(cd test2; ls -lnR) >out2
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echo "chown $1" >out.diff
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@ -152,18 +150,22 @@ tst_for_each() {
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tst "$1 1:1 linkfile"
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}
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echo "If script produced 'out.diff' file, then at least one testcase failed"
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>test1.out
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>test2.out
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# These match coreutils 6.8:
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tst_for_each ""
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tst_for_each "-R"
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tst_for_each "-RP"
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tst_for_each "-RL"
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tst_for_each "-RH"
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tst_for_each "-h"
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tst_for_each "-hR"
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tst_for_each "-hRP"
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# Below: with "chown linkdir" coreutils 6.8 will chown linkdir _target_,
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# we lchown _the link_. I believe we are "more correct".
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#tst_for_each "-hRL"
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#tst_for_each "-hRH"
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tst_for_each "-v"
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tst_for_each "-vR"
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tst_for_each "-vRP"
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tst_for_each "-vRL"
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tst_for_each "-vRH"
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tst_for_each "-vh"
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tst_for_each "-vhR"
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tst_for_each "-vhRP"
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tst_for_each "-vhRL"
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tst_for_each "-vhRH"
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# Fix `name' in coreutils output
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sed 's/`/'"'"'/g' -i test2.out
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# Compare us with coreutils output
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diff -u test1.out test2.out
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*/
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@ -84,7 +84,7 @@ int md5_sha1_sum_main(int argc, char **argv)
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uint8_t *hash_value;
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unsigned flags;
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hash_algo_t hash_algo = ENABLE_MD5SUM
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? (ENABLE_SHA1SUM ? (**argv=='m' ? HASH_MD5 : HASH_SHA1) : HASH_MD5)
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? (ENABLE_SHA1SUM ? (applet_name[0] == 'm' ? HASH_MD5 : HASH_SHA1) : HASH_MD5)
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: HASH_SHA1;
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if (ENABLE_FEATURE_MD5_SHA1_SUM_CHECK)
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@ -214,15 +214,16 @@ extern int is_directory(const char *name, int followLinks, struct stat *statBuf)
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extern int remove_file(const char *path, int flags);
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extern int copy_file(const char *source, const char *dest, int flags);
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enum {
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ACTION_RECURSE = (1 << 0),
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ACTION_FOLLOWLINKS = (1 << 1),
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ACTION_DEPTHFIRST = (1 << 2),
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/*ACTION_REVERSE = (1 << 3), - unused */
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ACTION_RECURSE = (1 << 0),
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ACTION_FOLLOWLINKS = (1 << 1),
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ACTION_FOLLOWLINKS_L0 = (1 << 2),
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ACTION_DEPTHFIRST = (1 << 3),
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/*ACTION_REVERSE = (1 << 4), - unused */
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};
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extern int recursive_action(const char *fileName, unsigned flags,
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int (*fileAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
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int (*dirAction) (const char *fileName, struct stat* statbuf, void* userData, int depth),
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void* userData, const unsigned depth);
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void* userData, unsigned depth);
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extern int device_open(const char *device, int mode);
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extern int get_console_fd(void);
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extern char *find_block_device(const char *path);
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@ -46,7 +46,7 @@ int recursive_action(const char *fileName,
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int (*fileAction)(const char *fileName, struct stat *statbuf, void* userData, int depth),
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int (*dirAction)(const char *fileName, struct stat *statbuf, void* userData, int depth),
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void* userData,
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const unsigned depth)
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unsigned depth)
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{
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struct stat statbuf;
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int status;
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@ -55,12 +55,13 @@ int recursive_action(const char *fileName,
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if (!fileAction) fileAction = true_action;
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if (!dirAction) dirAction = true_action;
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status = (flags & ACTION_FOLLOWLINKS ? stat : lstat)(fileName, &statbuf);
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status = ACTION_FOLLOWLINKS; /* hijack a variable for bitmask... */
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if (!depth) status = ACTION_FOLLOWLINKS | ACTION_FOLLOWLINKS_L0;
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status = ((flags & status) ? stat : lstat)(fileName, &statbuf);
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if (status < 0) {
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#ifdef DEBUG_RECURS_ACTION
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bb_error_msg("status=%d followLinks=%d TRUE=%d",
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status, flags & ACTION_FOLLOWLINKS, TRUE);
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bb_error_msg("status=%d flags=%x", status, flags);
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#endif
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goto done_nak_warn;
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}
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@ -82,9 +83,8 @@ int recursive_action(const char *fileName,
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if (!(flags & ACTION_DEPTHFIRST)) {
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status = dirAction(fileName, &statbuf, userData, depth);
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if (!status) {
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if (!status)
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goto done_nak_warn;
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}
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if (status == SKIP)
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return TRUE;
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}
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@ -103,23 +103,23 @@ int recursive_action(const char *fileName,
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nextFile = concat_subpath_file(fileName, next->d_name);
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if (nextFile == NULL)
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continue;
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/* now descend into it, forcing recursion. */
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if (!recursive_action(nextFile, flags | ACTION_RECURSE,
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fileAction, dirAction, userData, depth+1)) {
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/* now descend into it (NB: ACTION_RECURSE is set in flags) */
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if (!recursive_action(nextFile, flags, fileAction, dirAction, userData, depth+1))
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status = FALSE;
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}
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free(nextFile);
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}
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closedir(dir);
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if ((flags & ACTION_DEPTHFIRST) &&
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!dirAction(fileName, &statbuf, userData, depth)) {
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if (flags & ACTION_DEPTHFIRST) {
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if (!dirAction(fileName, &statbuf, userData, depth))
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goto done_nak_warn;
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}
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if (!status)
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return FALSE;
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return TRUE;
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done_nak_warn:
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done_nak_warn:
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bb_perror_msg("%s", fileName);
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return FALSE;
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}
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