introduce and use bb_basename()
function old new delta bb_basename - 26 +26 sv_main 1226 1225 -1 passwd_main 1985 1983 -2 showdirs 482 478 -4 sendCgi 1811 1807 -4 make_device 1354 1350 -4 handleIncoming 2443 2439 -4 func_name 82 78 -4 service_name 2292 2285 -7 main 909 901 -8 cmp_main 555 547 -8 test_main 434 422 -12 act 228 216 -12 find_pair 180 164 -16 rmmod_main 298 280 -18 find_pid_by_name 156 134 -22 modprobe_main 1606 1576 -30 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/16 up/down: 26/-156) Total: -130 bytes text data bss dec hex filename 734933 3028 14400 752361 b7ae9 busybox_old 734801 3028 14400 752229 b7a65 busybox_unstripped
This commit is contained in:
		@@ -639,8 +639,6 @@ int *const bb_errno __attribute__ ((section (".data")));
 | 
			
		||||
 | 
			
		||||
int main(int argc, char **argv)
 | 
			
		||||
{
 | 
			
		||||
	const char *s;
 | 
			
		||||
 | 
			
		||||
#ifdef __GLIBC__
 | 
			
		||||
	(*(int **)&bb_errno) = __errno_location();
 | 
			
		||||
#endif
 | 
			
		||||
@@ -655,9 +653,7 @@ int main(int argc, char **argv)
 | 
			
		||||
	applet_name = argv[0];
 | 
			
		||||
	if (applet_name[0] == '-')
 | 
			
		||||
		applet_name++;
 | 
			
		||||
	s = strrchr(applet_name, '/');
 | 
			
		||||
	if (s)
 | 
			
		||||
		applet_name = s + 1;
 | 
			
		||||
	applet_name = bb_basename(applet_name);
 | 
			
		||||
 | 
			
		||||
	parse_config_file(); /* ...maybe, if FEATURE_SUID_CONFIG */
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -132,8 +132,8 @@ enum { show_color = 0 };
 | 
			
		||||
 * a directory entry and its stat info are stored here
 | 
			
		||||
 */
 | 
			
		||||
struct dnode {                  /* the basic node */
 | 
			
		||||
	char *name;             /* the dir entry name */
 | 
			
		||||
	char *fullname;         /* the dir entry name */
 | 
			
		||||
	const char *name;             /* the dir entry name */
 | 
			
		||||
	const char *fullname;         /* the dir entry name */
 | 
			
		||||
	int   allocated;
 | 
			
		||||
	struct stat dstat;      /* the file stat info */
 | 
			
		||||
	USE_SELINUX(security_context_t sid;)
 | 
			
		||||
@@ -159,7 +159,7 @@ enum {
 | 
			
		||||
 | 
			
		||||
static int status = EXIT_SUCCESS;
 | 
			
		||||
 | 
			
		||||
static struct dnode *my_stat(char *fullname, char *name, int force_follow)
 | 
			
		||||
static struct dnode *my_stat(const char *fullname, const char *name, int force_follow)
 | 
			
		||||
{
 | 
			
		||||
	struct stat dstat;
 | 
			
		||||
	struct dnode *cur;
 | 
			
		||||
@@ -241,7 +241,7 @@ static int count_dirs(struct dnode **dn, int nfiles, int notsubdirs)
 | 
			
		||||
		return 0;
 | 
			
		||||
	dirs = 0;
 | 
			
		||||
	for (i = 0; i < nfiles; i++) {
 | 
			
		||||
		char *name;
 | 
			
		||||
		const char *name;
 | 
			
		||||
		if (!S_ISDIR(dn[i]->dstat.st_mode))
 | 
			
		||||
			continue;
 | 
			
		||||
		name = dn[i]->name;
 | 
			
		||||
@@ -288,7 +288,7 @@ static void dfree(struct dnode **dnp, int nfiles)
 | 
			
		||||
	for (i = 0; i < nfiles; i++) {
 | 
			
		||||
		struct dnode *cur = dnp[i];
 | 
			
		||||
		if (cur->allocated)
 | 
			
		||||
			free(cur->fullname);	/* free the filename */
 | 
			
		||||
			free((char*)cur->fullname);	/* free the filename */
 | 
			
		||||
		free(cur);		/* free the dnode */
 | 
			
		||||
	}
 | 
			
		||||
	free(dnp);			/* free the array holding the dnode pointers */
 | 
			
		||||
@@ -320,7 +320,7 @@ static struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
 | 
			
		||||
	/* copy the entrys into the file or dir array */
 | 
			
		||||
	for (d = i = 0; i < nfiles; i++) {
 | 
			
		||||
		if (S_ISDIR(dn[i]->dstat.st_mode)) {
 | 
			
		||||
			char *name;
 | 
			
		||||
			const char *name;
 | 
			
		||||
			if (!(which & (SPLIT_DIR|SPLIT_SUBDIR)))
 | 
			
		||||
				continue;
 | 
			
		||||
			name = dn[i]->name;
 | 
			
		||||
@@ -513,7 +513,7 @@ static struct dnode **list_dir(const char *path)
 | 
			
		||||
				continue;
 | 
			
		||||
		}
 | 
			
		||||
		fullname = concat_path_file(path, entry->d_name);
 | 
			
		||||
		cur = my_stat(fullname, strrchr(fullname, '/') + 1, 0);
 | 
			
		||||
		cur = my_stat(fullname, bb_basename(fullname), 0);
 | 
			
		||||
		if (!cur) {
 | 
			
		||||
			free(fullname);
 | 
			
		||||
			continue;
 | 
			
		||||
 
 | 
			
		||||
@@ -181,11 +181,10 @@ static void initialize_group_array(void);
 | 
			
		||||
int test_main(int argc, char **argv)
 | 
			
		||||
{
 | 
			
		||||
	int res;
 | 
			
		||||
	char *arg0;
 | 
			
		||||
	const char *arg0;
 | 
			
		||||
	bool _off;
 | 
			
		||||
 | 
			
		||||
	arg0 = strrchr(argv[0], '/');
 | 
			
		||||
	if (!arg0++) arg0 = argv[0];
 | 
			
		||||
	arg0 = bb_basename(argv[0]);
 | 
			
		||||
	if (arg0[0] == '[') {
 | 
			
		||||
		--argc;
 | 
			
		||||
		if (!arg0[1]) { /* "[" ? */
 | 
			
		||||
 
 | 
			
		||||
@@ -60,10 +60,7 @@ struct globals {
 | 
			
		||||
 */
 | 
			
		||||
static bool invalid_name(const char *c)
 | 
			
		||||
{
 | 
			
		||||
	const char *base_name = strrchr(c, '/');
 | 
			
		||||
 | 
			
		||||
	if (base_name)
 | 
			
		||||
		c = base_name + 1;
 | 
			
		||||
	c = bb_basename(c);
 | 
			
		||||
 | 
			
		||||
	while (*c && (isalnum(*c) || *c == '_' || *c == '-'))
 | 
			
		||||
		c++;
 | 
			
		||||
 
 | 
			
		||||
@@ -180,18 +180,13 @@ static int exec_actions(action ***appp, const char *fileName, struct stat *statb
 | 
			
		||||
 | 
			
		||||
ACTF(name)
 | 
			
		||||
{
 | 
			
		||||
	const char *tmp = strrchr(fileName, '/');
 | 
			
		||||
	if (tmp == NULL)
 | 
			
		||||
		tmp = fileName;
 | 
			
		||||
	else {
 | 
			
		||||
		tmp++;
 | 
			
		||||
		if (!*tmp) { /* "foo/bar/". Oh no... go back to 'b' */
 | 
			
		||||
			tmp--;
 | 
			
		||||
			while (tmp != fileName && *--tmp != '/')
 | 
			
		||||
				continue;
 | 
			
		||||
			if (*tmp == '/')
 | 
			
		||||
				tmp++;
 | 
			
		||||
		}
 | 
			
		||||
	const char *tmp = bb_basename(fileName);
 | 
			
		||||
	if (tmp != fileName && !*tmp) { /* "foo/bar/". Oh no... go back to 'b' */
 | 
			
		||||
		tmp--;
 | 
			
		||||
		while (tmp != fileName && *--tmp != '/')
 | 
			
		||||
			continue;
 | 
			
		||||
		if (*tmp == '/')
 | 
			
		||||
			tmp++;
 | 
			
		||||
	}
 | 
			
		||||
	return fnmatch(ap->pattern, tmp, FNM_PERIOD) == 0;
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -736,6 +736,7 @@ extern int bb_parse_mode(const char* s, mode_t* theMode);
 | 
			
		||||
 | 
			
		||||
char *concat_path_file(const char *path, const char *filename);
 | 
			
		||||
char *concat_subpath_file(const char *path, const char *filename);
 | 
			
		||||
const char *bb_basename(const char *name);
 | 
			
		||||
/* NB: can violate const-ness (similarly to strchr) */
 | 
			
		||||
char *last_char_is(const char *s, int c);
 | 
			
		||||
 | 
			
		||||
 
 | 
			
		||||
@@ -8,6 +8,7 @@ lib-y:=
 | 
			
		||||
 | 
			
		||||
lib-y += ask_confirmation.o
 | 
			
		||||
lib-y += bb_askpass.o
 | 
			
		||||
lib-y += bb_basename.o
 | 
			
		||||
lib-y += bb_do_delay.o
 | 
			
		||||
lib-y += bb_pwd.o
 | 
			
		||||
lib-y += bb_strtonum.o
 | 
			
		||||
 
 | 
			
		||||
@@ -38,14 +38,6 @@ execXXX("/proc/self/exe", applet_name, params....)
 | 
			
		||||
and therefore comm field contains "exe".
 | 
			
		||||
*/
 | 
			
		||||
 | 
			
		||||
static const char *bb_basename(const char *name)
 | 
			
		||||
{
 | 
			
		||||
	const char *cp = strrchr(name, '/');
 | 
			
		||||
	if (cp)
 | 
			
		||||
		return cp + 1;
 | 
			
		||||
	return name;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
/* find_pid_by_name()
 | 
			
		||||
 *
 | 
			
		||||
 *  Modified by Vladimir Oleynik for use with libbb/procps.c
 | 
			
		||||
 
 | 
			
		||||
@@ -1156,7 +1156,7 @@ static void parse_prompt(const char *prmt_ptr)
 | 
			
		||||
#endif
 | 
			
		||||
				case 'W':
 | 
			
		||||
					pbuf = pwd_buf;
 | 
			
		||||
					cp = strrchr(pbuf,'/');
 | 
			
		||||
					cp = strrchr(pbuf, '/');
 | 
			
		||||
					if (cp != NULL && cp != pbuf)
 | 
			
		||||
						pbuf += (cp-pbuf) + 1;
 | 
			
		||||
					break;
 | 
			
		||||
 
 | 
			
		||||
@@ -240,8 +240,8 @@ static void do_ioctl_and_die(int fd, int request, unsigned long event_mask_flag)
 | 
			
		||||
static void fork_and_execute(int die, char *arg0, char **arg);
 | 
			
		||||
static int get_uid_gid(int, const char *);
 | 
			
		||||
static void safe_memcpy(char * dest, const char * src, int len);
 | 
			
		||||
static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, char *ptr);
 | 
			
		||||
static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr);
 | 
			
		||||
static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, const char *ptr);
 | 
			
		||||
static unsigned int scan_dev_name(const char *d, unsigned int n, const char *ptr);
 | 
			
		||||
 | 
			
		||||
/* Structs and vars */
 | 
			
		||||
static struct config_entry_struct *first_config = NULL;
 | 
			
		||||
@@ -369,7 +369,7 @@ static void safe_memcpy(char *dest, const char *src, int len)
 | 
			
		||||
	dest[len] = '\0';
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, char *ptr)
 | 
			
		||||
static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, const char *ptr)
 | 
			
		||||
{
 | 
			
		||||
	if (d[n - 4] == 'd' && d[n - 3] == 'i' && d[n - 2] == 's' && d[n - 1] == 'c')
 | 
			
		||||
		return 2 + addendum;
 | 
			
		||||
@@ -382,7 +382,7 @@ static unsigned int scan_dev_name_common(const char *d, unsigned int n, int adde
 | 
			
		||||
	return 0;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr)
 | 
			
		||||
static unsigned int scan_dev_name(const char *d, unsigned int n, const char *ptr)
 | 
			
		||||
{
 | 
			
		||||
	if (d[0] == 's' && d[1] == 'c' && d[2] == 's' && d[3] == 'i' && d[4] == '/') {
 | 
			
		||||
		if (d[n - 7] == 'g' && d[n - 6] == 'e' && d[n - 5] == 'n'
 | 
			
		||||
@@ -926,7 +926,7 @@ static void action_compat(const struct devfsd_notify_struct *info, unsigned int
 | 
			
		||||
	int ret;
 | 
			
		||||
	const char *compat_name = NULL;
 | 
			
		||||
	const char *dest_name = info->devname;
 | 
			
		||||
	char *ptr=NULL;
 | 
			
		||||
	const char *ptr;
 | 
			
		||||
	char compat_buf[STRING_LENGTH], dest_buf[STRING_LENGTH];
 | 
			
		||||
	int mode, host, bus, target, lun;
 | 
			
		||||
	unsigned int i;
 | 
			
		||||
@@ -954,7 +954,7 @@ static void action_compat(const struct devfsd_notify_struct *info, unsigned int
 | 
			
		||||
			break;
 | 
			
		||||
		case AC_MKNEWCOMPAT:
 | 
			
		||||
		case AC_RMNEWCOMPAT:
 | 
			
		||||
			ptr = strrchr(info->devname, '/') + 1;
 | 
			
		||||
			ptr = bb_basename(info->devname);
 | 
			
		||||
			i = scan_dev_name(info->devname, info->namelen, ptr);
 | 
			
		||||
 | 
			
		||||
			/* nothing found */
 | 
			
		||||
@@ -1460,7 +1460,7 @@ const char *get_old_name(const char *devname, unsigned int namelen,
 | 
			
		||||
*/
 | 
			
		||||
{
 | 
			
		||||
	const char *compat_name = NULL;
 | 
			
		||||
	char *ptr;
 | 
			
		||||
	const char *ptr;
 | 
			
		||||
	struct translate_struct *trans;
 | 
			
		||||
	unsigned int i;
 | 
			
		||||
	char mode;
 | 
			
		||||
@@ -1497,7 +1497,7 @@ const char *get_old_name(const char *devname, unsigned int namelen,
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	ptr = (strrchr(devname, '/') + 1);
 | 
			
		||||
	ptr = bb_basename(devname);
 | 
			
		||||
	i = scan_dev_name(devname, namelen, ptr);
 | 
			
		||||
 | 
			
		||||
	if (i > 0 && i < 13)
 | 
			
		||||
 
 | 
			
		||||
@@ -376,18 +376,13 @@ static struct dep_t *build_dep(void)
 | 
			
		||||
 | 
			
		||||
			if (col) {
 | 
			
		||||
				/* This line is a dep description */
 | 
			
		||||
				char *mods;
 | 
			
		||||
				const char *mods;
 | 
			
		||||
				char *modpath;
 | 
			
		||||
				char *mod;
 | 
			
		||||
 | 
			
		||||
				/* Find the beginning of the module file name */
 | 
			
		||||
				*col = 0;
 | 
			
		||||
				mods = strrchr(buffer, '/');
 | 
			
		||||
 | 
			
		||||
				if (!mods)
 | 
			
		||||
					mods = buffer; /* no path for this module */
 | 
			
		||||
				else
 | 
			
		||||
					mods++; /* there was a path for this module... */
 | 
			
		||||
				mods = bb_basename(buffer);
 | 
			
		||||
 | 
			
		||||
				/* find the path of the module */
 | 
			
		||||
				modpath = strchr(buffer, '/'); /* ... and this is the path */
 | 
			
		||||
@@ -433,7 +428,7 @@ static struct dep_t *build_dep(void)
 | 
			
		||||
		/* p points to the first dependable module; if NULL, no dependable module */
 | 
			
		||||
		if (p && *p) {
 | 
			
		||||
			char *end = &buffer[l-1];
 | 
			
		||||
			char *deps;
 | 
			
		||||
			const char *deps;
 | 
			
		||||
			char *dep;
 | 
			
		||||
			char *next;
 | 
			
		||||
			int ext = 0;
 | 
			
		||||
@@ -451,15 +446,11 @@ static struct dep_t *build_dep(void)
 | 
			
		||||
					next = end;
 | 
			
		||||
 | 
			
		||||
				/* find the beginning of the module file name */
 | 
			
		||||
				deps = strrchr(p, '/');
 | 
			
		||||
 | 
			
		||||
				if (!deps || (deps < p)) {
 | 
			
		||||
					deps = p;
 | 
			
		||||
 | 
			
		||||
				deps = bb_basename(p);
 | 
			
		||||
				if (deps == p) {
 | 
			
		||||
					while (isblank(*deps))
 | 
			
		||||
						deps++;
 | 
			
		||||
				} else
 | 
			
		||||
					deps++;
 | 
			
		||||
				}
 | 
			
		||||
 | 
			
		||||
				/* find the end of the module name in the file name */
 | 
			
		||||
				if (ENABLE_FEATURE_2_6_MODULES
 | 
			
		||||
 
 | 
			
		||||
@@ -81,12 +81,7 @@ int rmmod_main(int argc, char **argv)
 | 
			
		||||
 | 
			
		||||
	for (n = optind; n < argc; n++) {
 | 
			
		||||
		if (ENABLE_FEATURE_2_6_MODULES) {
 | 
			
		||||
			const char *afterslash;
 | 
			
		||||
 | 
			
		||||
			afterslash = strrchr(argv[n], '/');
 | 
			
		||||
			if (!afterslash) afterslash = argv[n];
 | 
			
		||||
			else afterslash++;
 | 
			
		||||
			filename2modname(misc_buf, afterslash);
 | 
			
		||||
			filename2modname(misc_buf, bb_basename(argv[n]));
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		if (syscall(__NR_delete_module, ENABLE_FEATURE_2_6_MODULES ? misc_buf : argv[n], flags)) {
 | 
			
		||||
 
 | 
			
		||||
@@ -1125,7 +1125,7 @@ static int sendCgi(const char *url,
 | 
			
		||||
			setenv1("HTTP_REFERER", referer);
 | 
			
		||||
 | 
			
		||||
		/* set execve argp[0] without path */
 | 
			
		||||
		argp[0] = strrchr(purl, '/') + 1;
 | 
			
		||||
		argp[0] = (char*)bb_basename(purl);
 | 
			
		||||
		/* but script argp[0] must have absolute path and chdiring to this */
 | 
			
		||||
		script = strrchr(fullpath, '/');
 | 
			
		||||
		if (!script)
 | 
			
		||||
@@ -1713,7 +1713,7 @@ static void handleIncoming(void)
 | 
			
		||||
		if (alarm_signaled)
 | 
			
		||||
			break;
 | 
			
		||||
 | 
			
		||||
		if (strcmp(strrchr(url, '/') + 1, httpd_conf) == 0 || ip_allowed == 0) {
 | 
			
		||||
		if (strcmp(bb_basename(url), httpd_conf) == 0 || ip_allowed == 0) {
 | 
			
		||||
			/* protect listing [/path]/httpd_conf or IP deny */
 | 
			
		||||
#if ENABLE_FEATURE_HTTPD_CGI
 | 
			
		||||
 FORBIDDEN:		/* protect listing /cgi-bin */
 | 
			
		||||
 
 | 
			
		||||
@@ -24,7 +24,7 @@ struct globals {
 | 
			
		||||
/* mknod in /dev based on a path like "/sys/block/hda/hda1" */
 | 
			
		||||
static void make_device(char *path, int delete)
 | 
			
		||||
{
 | 
			
		||||
	char *device_name;
 | 
			
		||||
	const char *device_name;
 | 
			
		||||
	int major, minor, type, len;
 | 
			
		||||
	int mode = 0660;
 | 
			
		||||
	uid_t uid = 0;
 | 
			
		||||
@@ -46,7 +46,7 @@ static void make_device(char *path, int delete)
 | 
			
		||||
 | 
			
		||||
	/* Determine device name, type, major and minor */
 | 
			
		||||
 | 
			
		||||
	device_name = strrchr(path, '/') + 1;
 | 
			
		||||
	device_name = bb_basename(path);
 | 
			
		||||
	type = path[5]=='c' ? S_IFCHR : S_IFBLK;
 | 
			
		||||
 | 
			
		||||
	/* If we have a config file, look up permissions for this device */
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user