*
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
- *
+ *
* Licensed under the GPL version 2, see the file LICENSE in this tarball.
*/
#ifndef __LIBBUSYBOX_H__
#include <unistd.h>
#include <utime.h>
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
#include <selinux/selinux.h>
+#include <selinux/context.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 OFF_FMT "ld"
+# 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 OFF_FMT "lld"
+# 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 "d"
+# 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 "ld"
+# 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 {
+ const char *name;
+ const 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 {
+ const char *name;
+ const 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 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 const char *bb_mode_string(mode_t mode);
extern int is_directory(const char *name, int followLinks, struct stat *statBuf);
extern int remove_file(const char *path, int flags);
extern int copy_file(const char *source, const char *dest, int flags);
void* userData, int depth);
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);
+extern char *find_block_device(const char *path);
+/* 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);
+/* TODO: sometimes modifies its parameter, which
+ * makes it rather inconvenient at times: */
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);
extern DIR *warn_opendir(const char *path);
-char *xgetcwd(char *cwd);
-char *xreadlink(const char *path);
-extern void xstat(char *filename, struct stat *buf);
+char *xrealloc_getcwd_or_warn(char *cwd);
+char *xmalloc_readlink_or_warn(const char *path);
+char *xmalloc_realpath(const char *path);
+extern void xstat(const char *filename, struct stat *buf);
extern pid_t spawn(char **argv);
extern pid_t xspawn(char **argv);
extern int wait4pid(int pid);
extern void xsetgid(gid_t gid);
extern void xsetuid(uid_t uid);
extern void xdaemon(int nochdir, int noclose);
+/* More clever/thorough xdaemon */
+extern void bb_sanitize_stdio_maybe_daemonize(int daemonize);
+extern void bb_sanitize_stdio(void);
+/* NB: be careful: dont open syslog/network sockets before bb_daemonize */
+extern void bb_daemonize(void);
extern void xchdir(const char *path);
extern void xsetenv(const char *key, const char *value);
extern int xopen(const char *pathname, int flags);
extern off_t xlseek(int fd, off_t offset, int whence);
extern off_t fdlength(int fd);
-extern int xsocket(int domain, int type, int protocol);
-extern void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
-extern void xlisten(int s, int backlog);
-extern void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
-extern int xconnect_tcp_v4(struct sockaddr_in *s_addr);
-extern struct hostent *xgethostbyname(const char *name);
-extern struct hostent *xgethostbyname2(const char *name, int af);
+
+int xsocket(int domain, int type, int protocol);
+void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen);
+void xlisten(int s, int backlog);
+void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen);
+int setsockopt_reuseaddr(int fd);
+int setsockopt_broadcast(int fd);
+/* NB: returns port in host byte order */
+unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port);
+typedef struct len_and_sockaddr {
+ socklen_t len;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in sin;
+#if ENABLE_FEATURE_IPV6
+ struct sockaddr_in6 sin6;
+#endif
+ };
+} len_and_sockaddr;
+/* Create stream socket, and allocated suitable lsa
+ * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6)) */
+int xsocket_stream(len_and_sockaddr **lsap);
+/* Create server TCP socket bound to bindaddr:port. bindaddr can be NULL,
+ * numeric IP ("N.N.N.N") or numeric IPv6 address,
+ * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
+ * If there is no suffix, port argument is used */
+int create_and_bind_stream_or_die(const char *bindaddr, int port);
+/* Create client TCP socket connected to peer:port. Peer cannot be NULL.
+ * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
+ * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
+ * If there is no suffix, port argument is used */
+int create_and_connect_stream_or_die(const char *peer, int port);
+/* Connect to peer identified by lsa */
+int xconnect_stream(const len_and_sockaddr *lsa);
+/* Return malloc'ed len_and_sockaddr with socket address of host:port
+ * Currently will return IPv4 or IPv6 sockaddrs only
+ * (depending on host), but in theory nothing prevents e.g.
+ * UNIX socket address being returned, IPX sockaddr etc...
+ * On error does bb_error_msg and returns NULL */
+len_and_sockaddr* host2sockaddr(const char *host, int port);
+/* Version which dies on error */
+len_and_sockaddr* xhost2sockaddr(const char *host, int port);
+len_and_sockaddr* xdotted2sockaddr(const char *host, int port);
+#if ENABLE_FEATURE_IPV6
+/* Same, useful if you want to force family (e.g. IPv6) */
+len_and_sockaddr* host_and_af2sockaddr(const char *host, int port, sa_family_t af);
+len_and_sockaddr* xhost_and_af2sockaddr(const char *host, int port, sa_family_t af);
+#else
+/* [we evaluate af: think about "host_and_af2sockaddr(..., af++)"] */
+#define host_and_af2sockaddr(host, port, af) ((void)(af), host2sockaddr((host), (port)))
+#define xhost_and_af2sockaddr(host, port, af) ((void)(af), xhost2sockaddr((host), (port)))
+#endif
+/* Assign sin[6]_port member if the socket is of corresponding type,
+ * otherwise no-op. Useful for ftp.
+ * NB: does NOT do htons() internally, just direct assignment. */
+void set_nport(len_and_sockaddr *lsa, unsigned port);
+/* Retrieve sin[6]_port or return -1 for non-INET[6] lsa's */
+int get_nport(const len_and_sockaddr *lsa);
+/* Reverse DNS. Returns NULL on failure. */
+char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen);
+/* This one doesn't append :PORTNUM */
+char* xmalloc_sockaddr2host_noport(const struct sockaddr *sa, socklen_t salen);
+/* This one also doesn't fall back to dotted IP (returns NULL) */
+char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa, socklen_t salen);
+/* inet_[ap]ton on steroids */
+char* xmalloc_sockaddr2dotted(const struct sockaddr *sa, socklen_t salen);
+char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa, socklen_t salen);
+// "old" (ipv4 only) API
+// users: traceroute.c hostname.c
+struct hostent *xgethostbyname(const char *name);
+// Also inetd.c and inetd.c are using gethostbyname(),
+// + inet_common.c has additional IPv4-only stuff
+
extern char *xstrdup(const char *s);
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 FILE *fopen_or_warn_stdin(const char *filename);
-extern void smart_ulltoa5(unsigned long long ul, char buf[5]);
extern void utoa_to_buf(unsigned n, char *buf, unsigned buflen);
extern char *utoa(unsigned n);
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);
+extern void smart_ulltoa5(unsigned long long ul, char buf[5]);
+/* Put a string of hex bytes (ala "1b"), return advanced pointer */
+extern char *bin2hex(char *buf, const char *cp, int count);
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 */
+long xuname2uid(const char *name);
+long xgroup2gid(const char *name);
+/* wrapper: allows string to contain numeric uid or gid */
+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;
+ uid_t uid;
+ gid_t gid;
};
-extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/);
+/* always sets uid and gid */
+int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
+/* chown-like handling of "user[:[group]" */
+void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group);
+/* what is this? */
+/*extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);*/
+char *bb_getpwuid(char *name, long uid, int bufsize);
+char *bb_getgrgid(char *group, long gid, int bufsize);
+/* versions which cache results (useful for ps, ls etc) */
+const char* get_cached_username(uid_t uid);
+const char* get_cached_groupname(gid_t gid);
+void clear_username_cache(void);
+/* internally usernames are saved in fixed-sized char[] buffers */
+enum { USERNAME_MAX_SIZE = 16 - sizeof(int) };
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 void llist_add_to(llist_t **old_head, void *data);
extern void llist_add_to_end(llist_t **list_head, void *data);
extern void *llist_pop(llist_t **elm);
+extern void llist_unlink(llist_t **head, llist_t *elm);
extern void llist_free(llist_t *elm, void (*freeit)(void *data));
-extern llist_t* rev_llist(llist_t *list);
+extern llist_t* llist_rev(llist_t *list);
enum {
LOGMODE_NONE = 0,
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);
-extern int bb_test(int argc, char** argv);
+/* applets which are useful from another applets */
+int bb_cat(char** argv);
+int bb_echo(char** argv);
+int bb_test(int argc, char** argv);
+#if ENABLE_ROUTE
+void bb_displayroutes(int noresolve, int netstatfmt);
+#endif
+int chown_main(int argc, char **argv);
+#if ENABLE_GUNZIP
+int gunzip_main(int argc, char **argv);
+#endif
+int bbunpack(char **argv,
+ char* (*make_new_name)(char *filename),
+ USE_DESKTOP(long long) int (*unpacker)(void)
+);
+
+
+/* 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);
char *find_execable(const char *filename);
int exists_execable(const char *filename);
+#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
+int bb_execvp(const char *file, char *const argv[]);
+#define BB_EXECVP(prog,cmd) bb_execvp(prog,cmd)
+#define BB_EXECLP(prog,cmd,...) \
+ execlp((find_applet_by_name(prog)) ? CONFIG_BUSYBOX_EXEC_PATH : prog, \
+ cmd, __VA_ARGS__)
+#else
+#define BB_EXECVP(prog,cmd) execvp(prog,cmd)
+#define BB_EXECLP(prog,cmd,...) execlp(prog,cmd, __VA_ARGS__)
+#endif
+
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);
int bb_make_directory(char *path, long mode, int flags);
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);
+extern context_t set_security_context_component(security_context_t cur_context,
+ char *user, char *role, char *type, char *range);
+extern void setfscreatecon_or_die(security_context_t scontext);
#endif
-extern int run_parts(char **args, const unsigned char test_mode, char **env);
+extern void selinux_or_die(void);
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);
extern void vfork_daemon_rexec(int nochdir, int noclose,
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 *));
+extern int get_terminal_width_height(const int fd, int *width, int *height);
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);
void reset_ino_dev_hashtable(void);
+#ifdef __GLIBC__
+/* At least glibc has horrendously large inline for this, so wrap it */
+extern unsigned long long bb_makedev(unsigned int major, unsigned int minor);
+#undef makedev
+#define makedev(a,b) bb_makedev(a,b)
+#endif
+
+
+#if ENABLE_FEATURE_EDITING
+/* It's NOT just ENABLEd or disabled. It's a number: */
+#ifdef CONFIG_FEATURE_EDITING_HISTORY
+#define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
+#else
+#define MAX_HISTORY 0
+#endif
+struct line_input_t {
+ int flags;
+ const char *path_lookup;
+#if MAX_HISTORY
+ int cnt_history;
+ int cur_history;
+ USE_FEATURE_EDITING_SAVEHISTORY(const char *hist_file;)
+ char *history[MAX_HISTORY + 1];
+#endif
+};
+enum {
+ DO_HISTORY = 1 * (MAX_HISTORY > 0),
+ SAVE_HISTORY = 2 * (MAX_HISTORY > 0) * ENABLE_FEATURE_EDITING_SAVEHISTORY,
+ TAB_COMPLETION = 4 * ENABLE_FEATURE_TAB_COMPLETION,
+ USERNAME_COMPLETION = 8 * ENABLE_FEATURE_USERNAME_COMPLETION,
+ VI_MODE = 0x10 * ENABLE_FEATURE_EDITING_VI,
+ WITH_PATH_LOOKUP = 0x20,
+ FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
+};
+typedef struct line_input_t line_input_t;
+line_input_t *new_line_input_t(int flags);
+int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *state);
+#else
+int read_line_input(const char* prompt, char* command, int maxsize);
+#define read_line_input(prompt, command, maxsize, state) \
+ read_line_input(prompt, command, maxsize)
+#endif
#ifndef COMM_LEN
DIR *dir;
/* Fields are set to 0/NULL if failed to determine (or not requested) */
char *cmd;
- unsigned long rss;
+ unsigned long vsz;
unsigned long stime, utime;
unsigned pid;
unsigned ppid;
PSSCAN_COMM = 1 << 5,
PSSCAN_CMD = 1 << 6,
PSSCAN_STATE = 1 << 7,
- PSSCAN_RSS = 1 << 8,
+ PSSCAN_VSZ = 1 << 8,
PSSCAN_STIME = 1 << 9,
PSSCAN_UTIME = 1 << 10,
/* These are all retrieved from proc/NN/stat in one go: */
PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
| PSSCAN_COMM | PSSCAN_STATE
- | PSSCAN_RSS | PSSCAN_STIME | PSSCAN_UTIME,
+ | PSSCAN_VSZ | PSSCAN_STIME | PSSCAN_UTIME,
};
procps_status_t* alloc_procps_scan(int flags);
void free_procps_scan(procps_status_t* sp);
procps_status_t* procps_scan(procps_status_t* sp, int flags);
pid_t *find_pid_by_name(const char* procName);
pid_t *pidlist_reverse(pid_t *pidList);
-void clear_username_cache(void);
-const char* get_cached_username(uid_t uid);
extern const char bb_uuenc_tbl_base64[];
uint32_t *crc32_filltable(int endian);
-enum { /* DO NOT CHANGE THESE VALUES! cp.c depends on them. */
+enum { /* DO NOT CHANGE THESE VALUES! cp.c, mv.c, install.c depend on them. */
FILEUTILS_PRESERVE_STATUS = 1,
FILEUTILS_DEREFERENCE = 2,
FILEUTILS_RECUR = 4,
FILEUTILS_INTERACTIVE = 0x10,
FILEUTILS_MAKE_HARDLINK = 0x20,
FILEUTILS_MAKE_SOFTLINK = 0x40,
+#if ENABLE_SELINUX
+ FILEUTILS_PRESERVE_SECURITY_CONTEXT = 0x80,
+ FILEUTILS_SET_SECURITY_CONTEXT = 0x100
+#endif
};
-#define FILEUTILS_CP_OPTSTR "pdRfils"
+#define FILEUTILS_CP_OPTSTR "pdRfils" USE_SELINUX("c")
extern const char *applet_name;
extern const char BB_BANNER[];
extern const char bb_msg_invalid_date[];
extern const char bb_msg_read_error[];
extern const char bb_msg_write_error[];
-extern const char bb_msg_name_longer_than_foo[];
extern const char bb_msg_unknown[];
extern const char bb_msg_can_not_create_raw_socket[];
extern const char bb_msg_perm_denied_are_you_root[];
extern const char bb_msg_standard_input[];
extern const char bb_msg_standard_output[];
+extern const char bb_str_default[];
+/* NB: (bb_hexdigits_upcase[i] | 0x20) -> lowercase hex digit */
+extern const char bb_hexdigits_upcase[];
+
extern const char bb_path_mtab_file[];
extern const char bb_path_nologin_file[];
extern const char bb_path_passwd_file[];
extern const char bb_path_wtmp_file[];
extern const char bb_dev_null[];
+extern const int const_int_0;
+extern const int const_int_1;
+
#ifndef BUFSIZ
#define BUFSIZ 4096
#endif
#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"
/* The following devices are the same on devfs and non-devfs systems. */
#define CURRENT_TTY "/dev/tty"
-#define CONSOLE_DEV "/dev/console"
+#define DEV_CONSOLE "/dev/console"
#ifndef RB_POWER_OFF
#define RB_POWER_OFF 0x4321fedc
#endif
-// Make sure we call functions instead of macros.
+/* Make sure we call functions instead of macros. */
#undef isalnum
#undef isalpha
#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