mirror of
https://github.com/sheumann/hush.git
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Merge branch 'master' of git+ssh://vda@busybox.net/var/lib/git/busybox
This commit is contained in:
Denys Vlasenko
commit
aaf827203d
@ -60,8 +60,8 @@
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#if !ENABLE_FEATURE_SEAMLESS_GZ && !ENABLE_FEATURE_SEAMLESS_BZ2
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/* Do not pass gzip flag to writeTarFile() */
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#define writeTarFile(tar_fd, verboseFlag, dereferenceFlag, include, exclude, gzip) \
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writeTarFile(tar_fd, verboseFlag, dereferenceFlag, include, exclude)
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#define writeTarFile(tar_fd, verboseFlag, recurseFlags, include, exclude, gzip) \
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writeTarFile(tar_fd, verboseFlag, recurseFlags, include, exclude)
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#endif
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@ -598,7 +598,7 @@ static void NOINLINE vfork_compressor(int tar_fd, int gzip)
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/* gcc 4.2.1 inlines it, making code bigger */
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static NOINLINE int writeTarFile(int tar_fd, int verboseFlag,
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int dereferenceFlag, const llist_t *include,
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int recurseFlags, const llist_t *include,
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const llist_t *exclude, int gzip)
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{
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int errorFlag = FALSE;
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@ -621,8 +621,7 @@ static NOINLINE int writeTarFile(int tar_fd, int verboseFlag,
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/* Read the directory/files and iterate over them one at a time */
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while (include) {
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if (!recursive_action(include->data, ACTION_RECURSE |
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(dereferenceFlag ? ACTION_FOLLOWLINKS : 0),
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if (!recursive_action(include->data, recurseFlags,
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writeFileToTarball, writeFileToTarball, &tbInfo, 0)
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) {
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errorFlag = TRUE;
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@ -662,7 +661,7 @@ static NOINLINE int writeTarFile(int tar_fd, int verboseFlag,
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}
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#else
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int writeTarFile(int tar_fd, int verboseFlag,
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int dereferenceFlag, const llist_t *include,
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int recurseFlags, const llist_t *include,
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const llist_t *exclude, int gzip);
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#endif /* FEATURE_TAR_CREATE */
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@ -749,6 +748,7 @@ static llist_t *append_file_list_to_list(llist_t *list)
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// o no-same-owner
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// p same-permissions
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// k keep-old
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// no-recursion
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// numeric-owner
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// no-same-permissions
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// overwrite
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@ -768,6 +768,7 @@ enum {
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IF_FEATURE_SEAMLESS_Z( OPTBIT_COMPRESS ,) // 16th bit
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IF_FEATURE_TAR_NOPRESERVE_TIME(OPTBIT_NOPRESERVE_TIME,)
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#if ENABLE_FEATURE_TAR_LONG_OPTIONS
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OPTBIT_NORECURSION,
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IF_FEATURE_TAR_TO_COMMAND(OPTBIT_2COMMAND ,)
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OPTBIT_NUMERIC_OWNER,
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OPTBIT_NOPRESERVE_PERM,
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@ -791,6 +792,7 @@ enum {
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OPT_GZIP = IF_FEATURE_SEAMLESS_GZ( (1 << OPTBIT_GZIP )) + 0, // z
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OPT_COMPRESS = IF_FEATURE_SEAMLESS_Z( (1 << OPTBIT_COMPRESS )) + 0, // Z
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OPT_NOPRESERVE_TIME = IF_FEATURE_TAR_NOPRESERVE_TIME((1 << OPTBIT_NOPRESERVE_TIME)) + 0, // m
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OPT_NORECURSION = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NORECURSION )) + 0, // no-recursion
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OPT_2COMMAND = IF_FEATURE_TAR_TO_COMMAND( (1 << OPTBIT_2COMMAND )) + 0, // to-command
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OPT_NUMERIC_OWNER = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NUMERIC_OWNER )) + 0, // numeric-owner
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OPT_NOPRESERVE_PERM = IF_FEATURE_TAR_LONG_OPTIONS((1 << OPTBIT_NOPRESERVE_PERM)) + 0, // no-same-permissions
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@ -835,6 +837,7 @@ static const char tar_longopts[] ALIGN1 =
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# if ENABLE_FEATURE_TAR_NOPRESERVE_TIME
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"touch\0" No_argument "m"
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# endif
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"no-recursion\0" No_argument "\xfa"
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# if ENABLE_FEATURE_TAR_TO_COMMAND
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"to-command\0" Required_argument "\xfb"
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# endif
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@ -1050,7 +1053,9 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
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zipMode = 2;
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#endif
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/* NB: writeTarFile() closes tar_handle->src_fd */
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return writeTarFile(tar_handle->src_fd, verboseFlag, opt & OPT_DEREFERENCE,
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return writeTarFile(tar_handle->src_fd, verboseFlag,
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(opt & OPT_DEREFERENCE ? ACTION_FOLLOWLINKS : 0)
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| (opt & OPT_NORECURSION ? 0 : ACTION_RECURSE),
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tar_handle->accept,
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tar_handle->reject, zipMode);
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}
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@ -7,8 +7,14 @@
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# instead of the default 0:0 660.
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#
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# Syntax:
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# %s %d:%d %s
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# devicename_regex user:group mode
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# [-]devicename_regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]$ENVVAR=regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]@maj,min[-min2] user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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#
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# [-]: do not stop on this match, continue reading mdev.conf
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# =: move, >: move and create a symlink
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# !: do not create device node
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# @|$|*: run@cmd if $ACTION=add, $cmd if $ACTION=remove, *cmd in all cases
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null 0:0 666
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zero 0:0 666
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@ -7,10 +7,14 @@
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# instead of the default 0:0 660.
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#
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# Syntax:
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# [-]devicename_regex user:group mode [>|=path] [@|$|*cmd args...]
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# [-]devicename_regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]$ENVVAR=regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]@maj,min[-min2] user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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#
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# [-]: do not stop on this match, continue reading mdev.conf
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# =: move, >: move and create a symlink
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# @|$|*: run $cmd on delete, @cmd on create, *cmd on both
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# !: do not create device node
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# @|$|*: run cmd if $ACTION=remove, @cmd if $ACTION=add, *cmd in all cases
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# support module loading on hotplug
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$MODALIAS=.* root:root 660 @modprobe "$MODALIAS"
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@ -49,7 +53,6 @@ sr[0-9]* root:cdrom 660 @ln -sf $MDEV cdrom
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fd[0-9]* root:floppy 660
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# net devices
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-net/.* root:root 600 @nameif
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tun[0-9]* root:root 600 =net/
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tap[0-9]* root:root 600 =net/
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@ -236,7 +236,6 @@ enum { OP_add, OP_remove };
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struct rule {
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bool keep_matching;
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bool regex_compiled;
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bool regex_has_slash;
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mode_t mode;
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int maj, min0, min1;
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struct bb_uidgid_t ugid;
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@ -340,7 +339,6 @@ static void parse_next_rule(void)
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}
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xregcomp(&G.cur_rule.match, val, REG_EXTENDED);
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G.cur_rule.regex_compiled = 1;
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G.cur_rule.regex_has_slash = (strchr(val, '/') != NULL);
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}
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/* 2nd field: uid:gid - device ownership */
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@ -467,11 +465,10 @@ static char *build_alias(char *alias, const char *device_name)
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*/
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static void make_device(char *device_name, char *path, int operation)
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{
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char *subsystem_slash_devname;
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int major, minor, type, len;
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if (G.verbose)
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bb_error_msg("make_device: %s, %s, op:%d", device_name, path, operation);
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bb_error_msg("device: %s, %s", device_name, path);
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/* Try to read major/minor string. Note that the kernel puts \n after
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* the data, so we don't need to worry about null terminating the string
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@ -479,7 +476,7 @@ static void make_device(char *device_name, char *path, int operation)
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* We also depend on path having writeable space after it.
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*/
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major = -1;
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if (operation != OP_remove) {
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if (operation == OP_add) {
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char *dev_maj_min = path + strlen(path);
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strcpy(dev_maj_min, "/dev");
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@ -490,7 +487,10 @@ static void make_device(char *device_name, char *path, int operation)
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return;
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/* no "dev" file, but we can still run scripts
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* based on device name */
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} else if (sscanf(++dev_maj_min, "%u:%u", &major, &minor) != 2) {
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} else if (sscanf(++dev_maj_min, "%u:%u", &major, &minor) == 2) {
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if (G.verbose)
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bb_error_msg("maj,min: %u,%u", major, minor);
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} else {
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major = -1;
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}
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}
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@ -502,29 +502,12 @@ static void make_device(char *device_name, char *path, int operation)
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/* http://kernel.org/doc/pending/hotplug.txt says that only
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* "/sys/block/..." is for block devices. "/sys/bus" etc is not.
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* But since 2.6.25 block devices are also in /sys/class/block.
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* We use strstr("/block/") to forestall future surprises. */
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* We use strstr("/block/") to forestall future surprises.
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*/
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type = S_IFCHR;
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if (strstr(path, "/block/") || (G.subsystem && strncmp(G.subsystem, "block", 5) == 0))
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type = S_IFBLK;
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/* Make path point to "subsystem/device_name" */
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subsystem_slash_devname = NULL;
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/* Check for coldplug invocations first */
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if (strncmp(path, "/sys/block/", 11) == 0) /* legacy case */
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path += sizeof("/sys/") - 1;
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else if (strncmp(path, "/sys/class/", 11) == 0)
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path += sizeof("/sys/class/") - 1;
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else {
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/* Example of a hotplug invocation:
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* SUBSYSTEM="block"
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* DEVPATH="/sys" + "/devices/virtual/mtd/mtd3/mtdblock3"
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* ("/sys" is added by mdev_main)
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* - path does not contain subsystem
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*/
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subsystem_slash_devname = concat_path_file(G.subsystem, device_name);
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path = subsystem_slash_devname;
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}
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#if ENABLE_FEATURE_MDEV_CONF
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G.rule_idx = 0; /* restart from the beginning (think mdev -s) */
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#endif
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@ -537,7 +520,7 @@ static void make_device(char *device_name, char *path, int operation)
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char *node_name;
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const struct rule *rule;
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str_to_match = "";
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str_to_match = device_name;
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rule = next_rule();
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@ -555,12 +538,8 @@ static void make_device(char *device_name, char *path, int operation)
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dbg("getenv('%s'):'%s'", rule->envvar, str_to_match);
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if (!str_to_match)
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continue;
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} else {
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//TODO: $DEVNAME can have slashes too,
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// we should stop abusing '/' as a special syntax in our regex'es
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/* regex to match [subsystem/]device_name */
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str_to_match = (rule->regex_has_slash ? path : device_name);
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}
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/* else: str_to_match = device_name */
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if (rule->regex_compiled) {
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int regex_match = regexec(&rule->match, str_to_match, ARRAY_SIZE(off), off, 0);
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@ -669,12 +648,12 @@ static void make_device(char *device_name, char *path, int operation)
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bb_error_msg("mknod: %s (%d,%d) %o", node_name, major, minor, rule->mode | type);
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if (mknod(node_name, rule->mode | type, makedev(major, minor)) && errno != EEXIST)
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bb_perror_msg("can't create '%s'", node_name);
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if (major == G.root_major && minor == G.root_minor)
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symlink(node_name, "root");
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if (ENABLE_FEATURE_MDEV_CONF) {
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chmod(node_name, rule->mode);
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chown(node_name, rule->ugid.uid, rule->ugid.gid);
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}
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if (major == G.root_major && minor == G.root_minor)
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symlink(node_name, "root");
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if (ENABLE_FEATURE_MDEV_RENAME && alias) {
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if (aliaslink == '>') {
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//TODO: on devtmpfs, device_name already exists and symlink() fails.
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@ -723,8 +702,6 @@ static void make_device(char *device_name, char *path, int operation)
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if (!ENABLE_FEATURE_MDEV_CONF || !rule->keep_matching)
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break;
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} /* for (;;) */
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free(subsystem_slash_devname);
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}
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/* File callback for /sys/ traversal */
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@ -890,13 +867,13 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
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* DEVPATH is like "/block/sda" or "/class/input/mice"
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*/
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action = getenv("ACTION");
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op = index_in_strings(keywords, action);
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env_devname = getenv("DEVNAME"); /* can be NULL */
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env_devpath = getenv("DEVPATH");
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G.subsystem = getenv("SUBSYSTEM");
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if (!action || !env_devpath /*|| !G.subsystem*/)
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bb_show_usage();
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fw = getenv("FIRMWARE");
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op = index_in_strings(keywords, action);
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/* If it exists, does /dev/mdev.seq match $SEQNUM?
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* If it does not match, earlier mdev is running
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* in parallel, and we need to wait */
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@ -927,7 +904,7 @@ int mdev_main(int argc UNUSED_PARAM, char **argv)
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if (logfd >= 0) {
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xmove_fd(logfd, STDERR_FILENO);
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G.verbose = 1;
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bb_error_msg("pid: %u seq: %s action: %s", getpid(), seq, action);
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bb_error_msg("seq: %s action: %s", seq, action);
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}
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}
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