#include <unistd.h>
#include <utime.h>
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
#include <selinux/selinux.h>
#endif
-#ifdef CONFIG_LOCALE_SUPPORT
+#if ENABLE_LOCALE_SUPPORT
#include <locale.h>
#else
-#define setlocale(x,y)
+#define setlocale(x,y) ((void)0)
#endif
#include "pwd_.h"
#include "grp_.h"
+/* ifdef it out, because it may include <shadow.h> */
+/* and we may not even _have_ <shadow.h>! */
+#if ENABLE_FEATURE_SHADOWPASSWDS
#include "shadow_.h"
+#endif
/* Try to pull in PATH_MAX */
#include <limits.h>
#include <sys/param.h>
#ifndef PATH_MAX
-#define PATH_MAX 256
+#define PATH_MAX 256
#endif
/* Tested to work correctly (IIRC :]) */
/* CONFIG_LFS is on */
# if ULONG_MAX > 0xffffffff
/* "long" is long enough on this system */
-# define STRTOOFF strtol
-# define SAFE_STRTOOFF safe_strtol
-# define XSTRTOUOFF xstrtoul
+# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
+/* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
+# define BB_STRTOOFF bb_strtoul
+# define STRTOOFF strtoul
/* usage: printf("size: %"OFF_FMT"d (%"OFF_FMT"x)\n", sz, sz); */
# define OFF_FMT "l"
# else
/* "long" is too short, need "long long" */
-# define STRTOOFF strtoll
-# define SAFE_STRTOOFF safe_strtoll
-# define XSTRTOUOFF xstrtoull
+# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
+# define BB_STRTOOFF bb_strtoull
+# define STRTOOFF strtoull
# define OFF_FMT "ll"
# endif
#else
-# if 0 /* #if UINT_MAX == 0xffffffff */
-/* Doesn't work. off_t is a long. gcc will throw warnings on printf("%d", off_t)
- * even if long==int on this arch. Crap... */
+/* CONFIG_LFS is off */
+# if UINT_MAX == 0xffffffff
+/* While sizeof(off_t) == sizeof(int), off_t is typedef'ed to long anyway.
+ * gcc will throw warnings on printf("%d", off_t). Crap... */
+# define XATOOFF(a) xatoi_u(a)
+# define BB_STRTOOFF bb_strtou
# define STRTOOFF strtol
-# define SAFE_STRTOOFF safe_strtoi
-# define XSTRTOUOFF xstrtou
-# define OFF_FMT ""
+# define OFF_FMT "l"
# else
+# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
+# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtol
-# define SAFE_STRTOOFF safe_strtol
-# define XSTRTOUOFF xstrtoul
# define OFF_FMT "l"
# endif
#endif
/* scary. better ideas? (but do *test* them first!) */
#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
+/* This structure defines protocol families and their handlers. */
+struct aftype {
+ char *name;
+ char *title;
+ int af;
+ int alen;
+ char *(*print) (unsigned char *);
+ char *(*sprint) (struct sockaddr *, int numeric);
+ int (*input) (int type, char *bufp, struct sockaddr *);
+ void (*herror) (char *text);
+ int (*rprint) (int options);
+ int (*rinput) (int typ, int ext, char **argv);
+
+ /* may modify src */
+ int (*getmask) (char *src, struct sockaddr * mask, char *name);
+
+ int fd;
+ char *flag_file;
+};
+
+/* This structure defines hardware protocols and their handlers. */
+struct hwtype {
+ char *name;
+ char *title;
+ int type;
+ int alen;
+ char *(*print) (unsigned char *);
+ int (*input) (char *, struct sockaddr *);
+ int (*activate) (int fd);
+ int suppress_null_addr;
+};
+
/* Some useful definitions */
#undef FALSE
#define FALSE ((int) 0)
#endif
/* buffer allocation schemes */
-#ifdef CONFIG_FEATURE_BUFFERS_GO_ON_STACK
+#if ENABLE_FEATURE_BUFFERS_GO_ON_STACK
#define RESERVE_CONFIG_BUFFER(buffer,len) char buffer[len]
#define RESERVE_CONFIG_UBUFFER(buffer,len) unsigned char buffer[len]
#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
#else
-#ifdef CONFIG_FEATURE_BUFFERS_GO_IN_BSS
+#if ENABLE_FEATURE_BUFFERS_GO_IN_BSS
#define RESERVE_CONFIG_BUFFER(buffer,len) static char buffer[len]
#define RESERVE_CONFIG_UBUFFER(buffer,len) static unsigned char buffer[len]
#define RELEASE_CONFIG_BUFFER(buffer) ((void)0)
#endif
-#if (__GLIBC__ < 2)
+#if defined(__GLIBC__) && __GLIBC__ < 2
int vdprintf(int d, const char *format, va_list ap);
#endif
// This is declared here rather than #including <libgen.h> in order to avoid
extern int sysinfo(struct sysinfo* info);
+/* Size-saving "small" ints (arch-dependent) */
+#if defined(i386) || defined (__mips__)
+/* add other arches which benefit from this... */
+typedef signed char smallint;
+typedef unsigned char smalluint;
+#else
+/* for arches where byte accesses generate larger code: */
+typedef int smallint;
+typedef unsigned smalluint;
+#endif
+
+
extern void chomp(char *s);
extern void trim(char *s);
extern char *skip_whitespace(const char *);
+extern char *skip_non_whitespace(const char *);
extern const char *bb_mode_string(int mode);
extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
extern int device_open(const char *device, int mode);
extern int get_console_fd(void);
extern char *find_block_device(char *path);
-extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
+/* bb_copyfd_XX print read/write errors and return -1 if they occur */
extern off_t bb_copyfd_eof(int fd1, int fd2);
+extern off_t bb_copyfd_size(int fd1, int fd2, off_t size);
+extern void bb_copyfd_exact_size(int fd1, int fd2, off_t size);
+/* "short" copy can be detected by return value < size */
+/* this helper yells "short read!" if param is not -1 */
+extern void complain_copyfd_and_die(off_t sz) ATTRIBUTE_NORETURN;
extern char bb_process_escape_sequence(const char **ptr);
extern char *bb_get_last_path_component(char *path);
extern int ndelay_on(int fd);
+extern int ndelay_off(int fd);
extern DIR *xopendir(const char *path);
char *xgetcwd(char *cwd);
char *xreadlink(const char *path);
+char *xmalloc_realpath(const char *path);
extern void xstat(char *filename, struct stat *buf);
extern pid_t spawn(char **argv);
extern pid_t xspawn(char **argv);
extern char *xstrndup(const char *s, int n);
extern char *safe_strncpy(char *dst, const char *src, size_t size);
extern char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
+// gcc-4.1.1 still isn't good enough at optimizing it
+// (+200 bytes compared to macro)
+//static ATTRIBUTE_ALWAYS_INLINE
+//int LONE_DASH(const char *s) { return s[0] == '-' && !s[1]; }
+//static ATTRIBUTE_ALWAYS_INLINE
+//int NOT_LONE_DASH(const char *s) { return s[0] != '-' || s[1]; }
+#define LONE_DASH(s) ((s)[0] == '-' && !(s)[1])
+#define NOT_LONE_DASH(s) ((s)[0] != '-' || (s)[1])
+#define LONE_CHAR(s,c) ((s)[0] == (c) && !(s)[1])
+#define NOT_LONE_CHAR(s,c) ((s)[0] != (c) || (s)[1])
/* dmalloc will redefine these to it's own implementation. It is safe
* to have the prototypes here unconditionally. */
extern ssize_t safe_write(int fd, const void *buf, size_t count);
extern ssize_t full_write(int fd, const void *buf, size_t count);
-extern void xwrite(int fd, void *buf, size_t count);
+extern void xwrite(int fd, const void *buf, size_t count);
/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
extern void xprint_and_close_file(FILE *file);
extern void itoa_to_buf(int n, char *buf, unsigned buflen);
extern char *itoa(int n);
-// FIXME: the prototype doesn't match libc strtoXX -> confusion
-// FIXME: alot of unchecked strtoXXX are still in tree
-// FIXME: atoi_or_else(str, N)?
-extern int safe_strtoi(const char *arg, int* value);
-extern int safe_strtou(const char *arg, unsigned* value);
-extern int safe_strtod(const char *arg, double* value);
-extern int safe_strtol(const char *arg, long* value);
-extern int safe_strtoll(const char *arg, long long* value);
-extern int safe_strtoul(const char *arg, unsigned long* value);
-extern int safe_strtoull(const char *arg, unsigned long long* value);
-extern int safe_strtou32(const char *arg, uint32_t* value);
-
struct suffix_mult {
const char *suffix;
unsigned mult;
};
-unsigned long long xstrtoull(const char *numstr, int base);
-unsigned long long xatoull(const char *numstr);
-unsigned long xstrtoul_range_sfx(const char *numstr, int base,
- unsigned long lower,
- unsigned long upper,
- const struct suffix_mult *suffixes);
-unsigned long xstrtoul_range(const char *numstr, int base,
- unsigned long lower,
- unsigned long upper);
-unsigned long xstrtoul_sfx(const char *numstr, int base,
- const struct suffix_mult *suffixes);
-unsigned long xstrtoul(const char *numstr, int base);
-unsigned long xatoul_range_sfx(const char *numstr,
- unsigned long lower,
- unsigned long upper,
- const struct suffix_mult *suffixes);
-unsigned long xatoul_sfx(const char *numstr,
- const struct suffix_mult *suffixes);
-unsigned long xatoul_range(const char *numstr,
- unsigned long lower,
- unsigned long upper);
-unsigned long xatoul(const char *numstr);
-long xstrtol_range_sfx(const char *numstr, int base,
- long lower,
- long upper,
- const struct suffix_mult *suffixes);
-long xstrtol_range(const char *numstr, int base, long lower, long upper);
-long xatol_range_sfx(const char *numstr,
- long lower,
- long upper,
- const struct suffix_mult *suffixes);
-long xatol_range(const char *numstr, long lower, long upper);
-long xatol_sfx(const char *numstr, const struct suffix_mult *suffixes);
-long xatol(const char *numstr);
+#include "xatonum.h"
/* Specialized: */
-unsigned xatou_range(const char *numstr, unsigned lower, unsigned upper);
-unsigned xatou_sfx(const char *numstr, const struct suffix_mult *suffixes);
-unsigned xatou(const char *numstr);
-int xatoi_range(const char *numstr, int lower, int upper);
-int xatoi(const char *numstr);
/* Using xatoi() instead of naive atoi() is not always convenient -
* in many places people want *non-negative* values, but store them
* in signed int. Therefore we need this one:
* dies if input is not in [0, INT_MAX] range. Also will reject '-0' etc */
int xatoi_u(const char *numstr);
-uint32_t xatou32(const char *numstr);
/* Useful for reading port numbers */
uint16_t xatou16(const char *numstr);
/* These parse entries in /etc/passwd and /etc/group. This is desirable
* for BusyBox since we want to avoid using the glibc NSS stuff, which
* increases target size and is often not needed on embedded systems. */
-extern long bb_xgetpwnam(const char *name);
-extern long bb_xgetgrnam(const char *name);
-extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);
-extern char *bb_getpwuid(char *name, long uid, int bufsize);
-extern char *bb_getgrgid(char *group, long gid, int bufsize);
-/* from chpst */
+extern long xuname2uid(const char *name);
+extern long xgroup2gid(const char *name);
+/* wrapper: allows string to contain numeric uid or gid */
+extern unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
+/* from chpst. Does not die, returns 0 on failure */
struct bb_uidgid_t {
uid_t uid;
gid_t gid;
};
-extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/);
+extern int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
+/* what is this? */
+/*extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);*/
+extern char *bb_getpwuid(char *name, long uid, int bufsize);
+extern char *bb_getgrgid(char *group, long gid, int bufsize);
enum { BB_GETOPT_ERROR = 0x80000000 };
extern const char *opt_complementary;
+#if ENABLE_GETOPT_LONG
extern const struct option *applet_long_options;
+#endif
extern uint32_t option_mask32;
extern uint32_t getopt32(int argc, char **argv, const char *applet_opts, ...);
extern int logmode;
extern int die_sleep;
extern int xfunc_error_retval;
+extern void sleep_and_die(void) ATTRIBUTE_NORETURN;
extern void bb_show_usage(void) ATTRIBUTE_NORETURN ATTRIBUTE_EXTERNALLY_VISIBLE;
extern void bb_error_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
extern void bb_error_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2)));
extern void bb_perror_nomsg_and_die(void) ATTRIBUTE_NORETURN;
extern void bb_perror_nomsg(void);
extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2)));
-/* These two are used internally -- you shouldn't need to use them */
+/* These are used internally -- you shouldn't need to use them */
extern void bb_verror_msg(const char *s, va_list p, const char *strerr);
extern void bb_vperror_msg(const char *s, va_list p);
extern void bb_vinfo_msg(const char *s, va_list p);
-extern int bb_echo(int argc, char** argv);
+/* applets which are useful from another applets */
+extern int bb_cat(char** argv);
+extern int bb_echo(char** argv);
extern int bb_test(int argc, char** argv);
+
+/* Networking */
+int create_icmp_socket(void);
+int create_icmp6_socket(void);
+/* interface.c */
+struct aftype;
+struct hwtype;
+extern int interface_opt_a;
+int display_interfaces(char *ifname);
+struct aftype *get_aftype(const char *name);
+const struct hwtype *get_hwtype(const char *name);
+const struct hwtype *get_hwntype(int type);
+
+
#ifndef BUILD_INDIVIDUAL
extern struct BB_applet *find_applet_by_name(const char *name);
extern void run_applet_by_name(const char *name, int argc, char **argv);
USE_DESKTOP(long long) int uncompress(int fd_in, int fd_out);
int inflate(int in, int out);
-int create_icmp_socket(void);
-int create_icmp6_socket(void);
unsigned short bb_lookup_port(const char *port, const char *protocol, unsigned short default_port);
void bb_lookup_host(struct sockaddr_in *s_in, const char *host);
extern void change_identity(const struct passwd *pw);
extern const char *change_identity_e2str(const struct passwd *pw);
extern void run_shell(const char *shell, int loginshell, const char *command, const char **additional_args);
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
extern void renew_current_security_context(void);
extern void set_current_security_context(security_context_t sid);
#endif
-extern int run_parts(char **args, const unsigned char test_mode, char **env);
extern int restricted_shell(const char *shell);
extern void setup_environment(const char *shell, int loginshell, int changeenv, const struct passwd *pw);
extern int correct_password(const struct passwd *pw);
int argc, char **argv, char *foreground_opt);
#endif
extern int get_terminal_width_height(int fd, int *width, int *height);
-extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *));
int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
#define DEFAULT_SHELL_SHORT_NAME (bb_default_login_shell+6)
-#ifdef CONFIG_FEATURE_DEVFS
+#if ENABLE_FEATURE_DEVFS
# define CURRENT_VC "/dev/vc/0"
# define VC_1 "/dev/vc/1"
# define VC_2 "/dev/vc/2"
#undef isascii
#undef isblank
#undef iscntrl
-#undef isdigit
#undef isgraph
#undef islower
#undef isprint
#undef isupper
#undef isxdigit
+/* This one is more efficient - we save ~400 bytes */
+#undef isdigit
+#define isdigit(a) ((unsigned)((a) - '0') <= 9)
+
+
#ifdef DMALLOC
#include <dmalloc.h>
#endif