#include <dmalloc.h>
#endif
-#if !ENABLE_USE_BB_PWD_GRP
-# include <pwd.h>
-# include <grp.h>
-#endif
+#include <pwd.h>
+#include <grp.h>
#if ENABLE_FEATURE_SHADOWPASSWDS
-# if !ENABLE_USE_BB_SHADOW
-# include <shadow.h>
-# endif
+# include <shadow.h>
#endif
/* Some libc's forget to declare these, do it ourself */
-extern char **environ;
-/* Set the group set for the current user to GROUPS (N of them). */
-int setgroups(size_t n, const gid_t *groups);
+extern char **environ;
#if defined(__GLIBC__) && __GLIBC__ < 2
int vdprintf(int d, const char *format, va_list ap);
#endif
unsigned long totalhigh; /* Total high memory size */
unsigned long freehigh; /* Available high memory size */
unsigned int mem_unit; /* Memory unit size in bytes */
- char _f[20 - 2*sizeof(long) - sizeof(int)]; /* Padding: libc5 uses this.. */
+ char _f[20 - 2 * sizeof(long) - sizeof(int)]; /* Padding: libc5 uses this.. */
};
int sysinfo(struct sysinfo* info);
/* CONFIG_LFS is on */
# if ULONG_MAX > 0xffffffff
/* "long" is long enough on this system */
+typedef unsigned long uoff_t;
# 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 OFF_FMT "l"
# else
/* "long" is too short, need "long long" */
+typedef unsigned long long uoff_t;
# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
# define BB_STRTOOFF bb_strtoull
# define STRTOOFF strtoull
# 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... */
+typedef unsigned long uoff_t;
# define XATOOFF(a) xatoi_u(a)
# define BB_STRTOOFF bb_strtou
# define STRTOOFF strtol
# define OFF_FMT "l"
# else
+typedef unsigned long uoff_t;
# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtol
extern int device_open(const char *device, int mode) FAST_FUNC;
enum { GETPTY_BUFSIZE = 16 }; /* more than enough for "/dev/ttyXXX" */
extern int xgetpty(char *line) FAST_FUNC;
-extern int get_console_fd(void) FAST_FUNC;
+extern int get_console_fd_or_die(void) FAST_FUNC;
extern void console_make_active(int fd, const int vt_num) FAST_FUNC;
extern char *find_block_device(const char *path) FAST_FUNC;
/* bb_copyfd_XX print read/write errors and return -1 if they occur */
void bb_signals(int sigs, void (*f)(int)) FAST_FUNC;
/* Unlike signal() and bb_signals, sets handler with sigaction()
* and in a way that while signal handler is run, no other signals
- * will be blocked: */
-void bb_signals_recursive(int sigs, void (*f)(int)) FAST_FUNC;
+ * will be blocked; syscalls will not be restarted: */
+void bb_signals_recursive_norestart(int sigs, void (*f)(int)) FAST_FUNC;
/* syscalls like read() will be interrupted with EINTR: */
void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int)) FAST_FUNC;
/* syscalls like read() won't be interrupted (though select/poll will be): */
int sigaction_set(int sig, const struct sigaction *act) FAST_FUNC;
/* SIG_BLOCK/SIG_UNBLOCK all signals: */
int sigprocmask_allsigs(int how) FAST_FUNC;
+/* Standard handler which just records signo */
+extern smallint bb_got_signal;
+void record_signo(int signo); /* not FAST_FUNC! */
void xsetgid(gid_t gid) FAST_FUNC;
void xchdir(const char *path) FAST_FUNC;
void xchroot(const char *path) FAST_FUNC;
void xsetenv(const char *key, const char *value) FAST_FUNC;
+void bb_unsetenv(const char *key) FAST_FUNC;
void xunlink(const char *pathname) FAST_FUNC;
void xstat(const char *pathname, struct stat *buf) FAST_FUNC;
int xopen(const char *pathname, int flags) FAST_FUNC FAST_FUNC;
* Turn it on before you call bind(). */
void setsockopt_reuseaddr(int fd) FAST_FUNC; /* On Linux this never fails. */
int setsockopt_broadcast(int fd) FAST_FUNC;
+int setsockopt_bindtodevice(int fd, const char *iface) FAST_FUNC;
/* NB: returns port in host byte order */
unsigned bb_lookup_port(const char *port, const char *protocol, unsigned default_port) FAST_FUNC;
typedef struct len_and_sockaddr {
int create_and_connect_stream_or_die(const char *peer, int port) FAST_FUNC;
/* Connect to peer identified by lsa */
int xconnect_stream(const len_and_sockaddr *lsa) FAST_FUNC;
+/* Get local address of bound or accepted socket */
+len_and_sockaddr *get_sock_lsa(int fd) FAST_FUNC;
/* 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.
char *xstrndup(const char *s, int n) FAST_FUNC;
void overlapping_strcpy(char *dst, const char *src) FAST_FUNC;
char *safe_strncpy(char *dst, const char *src, size_t size) FAST_FUNC;
+char *strncpy_IFNAMSIZ(char *dst, const char *src) FAST_FUNC;
/* Guaranteed to NOT be a macro (smallest code). Saves nearly 2k on uclibc.
* But potentially slow, don't use in one-billion-times loops */
int bb_putchar(int ch) FAST_FUNC;
// Reads byte-by-byte. Useful when it is important to not read ahead.
// Bytes are appended to pfx (which must be malloced, or NULL).
extern char *xmalloc_reads(int fd, char *pfx, size_t *maxsz_p) FAST_FUNC;
-/* Reads block up to *maxsz_p (default: MAX_INT(ssize_t)) */
+/* Reads block up to *maxsz_p (default: INT_MAX - 4095) */
extern void *xmalloc_read(int fd, size_t *maxsz_p) FAST_FUNC;
-/* Returns NULL if file can't be opened */
+/* Returns NULL if file can't be opened (default max size: INT_MAX - 4095) */
extern void *xmalloc_open_read_close(const char *filename, size_t *maxsz_p) FAST_FUNC;
/* Autodetects .gz etc */
extern int open_zipped(const char *fname) FAST_FUNC;
// if some data was written before error occurred
extern ssize_t full_write(int fd, const void *buf, size_t count) FAST_FUNC;
extern void xwrite(int fd, const void *buf, size_t count) FAST_FUNC;
+extern void xwrite_str(int fd, const char *str) FAST_FUNC;
extern void xopen_xwrite_close(const char* file, const char *str) FAST_FUNC;
/* Reads and prints to stdout till eof, then closes FILE. Exits on error: */
extern void xprint_and_close_file(FILE *file) FAST_FUNC;
extern char *bb_get_chunk_from_file(FILE *file, int *end) FAST_FUNC;
+extern char *bb_get_chunk_with_continuation(FILE *file, int *end, int *lineno) FAST_FUNC;
/* Reads up to (and including) TERMINATING_STRING: */
extern char *xmalloc_fgets_str(FILE *file, const char *terminating_string) FAST_FUNC;
+/* Same, with limited max size, and returns the length (excluding NUL): */
+extern char *xmalloc_fgets_str_len(FILE *file, const char *terminating_string, size_t *maxsz_p) FAST_FUNC;
/* Chops off TERMINATING_STRING from the end: */
extern char *xmalloc_fgetline_str(FILE *file, const char *terminating_string) FAST_FUNC;
/* Reads up to (and including) "\n" or NUL byte: */
void xget_uidgid(struct bb_uidgid_t*, const char*) FAST_FUNC;
/* chown-like handling of "user[:[group]" */
void parse_chown_usergroup_or_die(struct bb_uidgid_t *u, char *user_group) FAST_FUNC;
-/* bb_getpwuid, bb_getgrgid:
- * bb_getXXXid(buf, bufsz, id) - copy user/group name or id
- * as a string to buf, return user/group name or NULL
- * bb_getXXXid(NULL, 0, id) - return user/group name or NULL
- * bb_getXXXid(NULL, -1, id) - return user/group name or exit
-*/
-char *bb_getpwuid(char *name, int bufsize, long uid) FAST_FUNC;
-char *bb_getgrgid(char *group, int bufsize, long gid) FAST_FUNC;
+struct passwd* xgetpwnam(const char *name) FAST_FUNC;
+struct group* xgetgrnam(const char *name) FAST_FUNC;
+struct passwd* xgetpwuid(uid_t uid) FAST_FUNC;
+struct group* xgetgrgid(gid_t gid) FAST_FUNC;
+char* xuid2uname(uid_t uid) FAST_FUNC;
+char* xgid2group(gid_t gid) FAST_FUNC;
+char* uid2uname(uid_t uid) FAST_FUNC;
+char* gid2group(gid_t gid) FAST_FUNC;
+char* uid2uname_utoa(long uid) FAST_FUNC;
+char* gid2group_utoa(long gid) FAST_FUNC;
/* versions which cache results (useful for ps, ls etc) */
const char* get_cached_username(uid_t uid) FAST_FUNC;
const char* get_cached_groupname(gid_t gid) FAST_FUNC;
pid_t spawn(char **argv) FAST_FUNC;
pid_t xspawn(char **argv) FAST_FUNC;
-int safe_waitpid(int pid, int *wstat, int options) FAST_FUNC;
+pid_t safe_waitpid(pid_t pid, int *wstat, int options) FAST_FUNC;
/* Unlike waitpid, waits ONLY for one process.
* It's safe to pass negative 'pids' from failed [v]fork -
* wait4pid will return -1 (and will not clobber [v]fork's errno).
* if (rc < 0) bb_perror_msg("%s", argv[0]);
* if (rc > 0) bb_error_msg("exit code: %d", rc);
*/
-int wait4pid(int pid) FAST_FUNC;
-int wait_any_nohang(int *wstat) FAST_FUNC;
+int wait4pid(pid_t pid) FAST_FUNC;
+pid_t wait_any_nohang(int *wstat) FAST_FUNC;
#define wait_crashed(w) ((w) & 127)
#define wait_exitcode(w) ((w) >> 8)
#define wait_stopsig(w) ((w) >> 8)
#define wait_stopped(w) (((w) & 127) == 127)
/* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */
-int spawn_and_wait(char **argv) FAST_FUNC;
+pid_t spawn_and_wait(char **argv) FAST_FUNC;
struct nofork_save_area {
jmp_buf die_jmp;
const char *applet_name;
* Both of the above will redirect fd 0,1,2 to /dev/null and drop ctty
* (will do setsid()).
*
- * forkexit_or_rexec(argv) = bare-bones "fork + parent exits" on MMU,
+ * fork_or_rexec(argv) = bare-bones "fork" on MMU,
* "vfork + re-exec ourself" on NOMMU. No fd redirection, no setsid().
- * Currently used for openvt and setsid. On MMU ignores argv.
+ * On MMU ignores argv.
*
* Helper for network daemons in foreground mode:
*
DAEMON_ONLY_SANITIZE = 8, /* internal use */
};
#if BB_MMU
- void forkexit_or_rexec(void) FAST_FUNC;
+ pid_t fork_or_rexec(void) FAST_FUNC;
enum { re_execed = 0 };
-# define forkexit_or_rexec(argv) forkexit_or_rexec()
+# define fork_or_rexec(argv) fork_or_rexec()
# define bb_daemonize_or_rexec(flags, argv) bb_daemonize_or_rexec(flags)
# define bb_daemonize(flags) bb_daemonize_or_rexec(flags, bogus)
#else
void re_exec(char **argv) NORETURN FAST_FUNC;
- void forkexit_or_rexec(char **argv) FAST_FUNC;
+ pid_t fork_or_rexec(char **argv) FAST_FUNC;
extern bool re_execed;
int BUG_fork_is_unavailable_on_nommu(void) FAST_FUNC;
int BUG_daemon_is_unavailable_on_nommu(void) FAST_FUNC;
extern void bb_perror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
extern void bb_simple_perror_msg(const char *s) FAST_FUNC;
extern void bb_perror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
-extern void bb_simple_perror_msg_and_die(const char *s) __attribute__ ((noreturn)) FAST_FUNC;
+extern void bb_simple_perror_msg_and_die(const char *s) NORETURN FAST_FUNC;
extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
extern void bb_perror_nomsg_and_die(void) NORETURN FAST_FUNC;
int kill_main(int argc, char **argv) USE_KILL(MAIN_EXTERNALLY_VISIBLE);
/* Similar, but used by chgrp, not shell */
int chown_main(int argc, char **argv) USE_CHOWN(MAIN_EXTERNALLY_VISIBLE);
+/* Used by ftpd */
+int ls_main(int argc, char **argv) USE_LS(MAIN_EXTERNALLY_VISIBLE);
/* Don't need USE_xxx() guard for these */
int gunzip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int bunzip2_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int bbunpack(char **argv,
- char* (*make_new_name)(char *filename),
- USE_DESKTOP(long long) int (*unpacker)(void)
-) FAST_FUNC;
+
#if ENABLE_ROUTE
void bb_displayroutes(int noresolve, int netstatfmt) FAST_FUNC;
#endif
+/* "Keycodes" that report an escape sequence.
+ * We use something which fits into signed char,
+ * yet doesn't represent any valid Unicode characher.
+ * Also, -1 is reserved for error indication and we don't use it. */
+enum {
+ KEYCODE_UP = -2,
+ KEYCODE_DOWN = -3,
+ KEYCODE_RIGHT = -4,
+ KEYCODE_LEFT = -5,
+ KEYCODE_HOME = -6,
+ KEYCODE_END = -7,
+ KEYCODE_INSERT = -8,
+ KEYCODE_DELETE = -9,
+ KEYCODE_PAGEUP = -10,
+ KEYCODE_PAGEDOWN = -11,
+#if 0
+ KEYCODE_FUN1 = -12,
+ KEYCODE_FUN2 = -13,
+ KEYCODE_FUN3 = -14,
+ KEYCODE_FUN4 = -15,
+ KEYCODE_FUN5 = -16,
+ KEYCODE_FUN6 = -17,
+ KEYCODE_FUN7 = -18,
+ KEYCODE_FUN8 = -19,
+ KEYCODE_FUN9 = -20,
+ KEYCODE_FUN10 = -21,
+ KEYCODE_FUN11 = -22,
+ KEYCODE_FUN12 = -23,
+#endif
+ /* How long the longest ESC sequence we know? */
+ KEYCODE_BUFFER_SIZE = 4
+};
+int read_key(int fd, smalluint *nbuffered, char *buffer) FAST_FUNC;
+
+
/* Networking */
int create_icmp_socket(void) FAST_FUNC;
int create_icmp6_socket(void) FAST_FUNC;
* return value: 1: read-only loopdev was setup, 0: rw, < 0: error */
extern int set_loop(char **devname, const char *file, unsigned long long offset) FAST_FUNC;
-
+/* Like bb_ask below, but asks on stdin with no timeout. */
+char *bb_ask_stdin(const char * prompt) FAST_FUNC;
//TODO: pass buf pointer or return allocated buf (avoid statics)?
-char *bb_askpass(int timeout, const char * prompt) FAST_FUNC;
+char *bb_ask(const int fd, int timeout, const char * prompt) FAST_FUNC;
int bb_ask_confirmation(void) FAST_FUNC;
int bb_parse_mode(const char* s, mode_t* theMode) FAST_FUNC;
PARSE_GREEDY = 0x00040000, // last token takes entire remainder of the line
PARSE_MIN_DIE = 0x00100000, // die if < min tokens found
// keep a copy of current line
- PARSE_KEEP_COPY = 0x00200000 * ENABLE_DEBUG_CROND_OPTION,
+ PARSE_KEEP_COPY = 0x00200000 * ENABLE_FEATURE_CROND_D,
// PARSE_ESCAPE = 0x00400000, // process escape sequences in tokens
// NORMAL is:
// * remove leading and trailing delimiters and collapse
extern void print_login_issue(const char *issue_file, const char *tty) FAST_FUNC;
extern void print_login_prompt(void) FAST_FUNC;
+char *xmalloc_ttyname(int fd) FAST_FUNC;
/* NB: typically you want to pass fd 0, not 1. Think 'applet | grep something' */
int get_terminal_width_height(int fd, unsigned *width, unsigned *height) FAST_FUNC;
+int tcsetattr_stdin_TCSANOW(const struct termios *tp) FAST_FUNC;
+
/* NB: "unsigned request" is crucial! "int request" will break some arches! */
int ioctl_or_perror(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
int ioctl_or_perror_and_die(int fd, unsigned request, void *argp, const char *fmt,...) __attribute__ ((format (printf, 4, 5))) FAST_FUNC;
#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)
+# define MAX_HISTORY (CONFIG_FEATURE_EDITING_HISTORY + 0)
#else
-#define MAX_HISTORY 0
+# define MAX_HISTORY 0
#endif
typedef struct line_input_t {
int flags;
#if MAX_HISTORY
int cnt_history;
int cur_history;
- USE_FEATURE_EDITING_SAVEHISTORY(const char *hist_file;)
+#if ENABLE_FEATURE_EDITING_SAVEHISTORY
+ unsigned cnt_history_in_file;
+ const char *hist_file;
+#endif
char *history[MAX_HISTORY + 1];
#endif
} line_input_t;
FOR_SHELL = DO_HISTORY | SAVE_HISTORY | TAB_COMPLETION | USERNAME_COMPLETION,
};
line_input_t *new_line_input_t(int flags) FAST_FUNC;
+/* so far static: void free_line_input_t(line_input_t *n) FAST_FUNC; */
/* Returns:
* -1 on read errors or EOF, or on bare Ctrl-D,
* 0 on ctrl-C (the line entered is still returned in 'command'),
* by link target or interpreter name) */
char comm[COMM_LEN];
/* user/group? - use passwd/group parsing functions */
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ int last_seen_on_cpu;
+#endif
} procps_status_t;
enum {
PSSCAN_PID = 1 << 0,
PSSCAN_UTIME = 1 << 13,
PSSCAN_TTY = 1 << 14,
PSSCAN_SMAPS = (1 << 15) * ENABLE_FEATURE_TOPMEM,
- PSSCAN_ARGVN = (1 << 16) * (ENABLE_PGREP || ENABLE_PKILL || ENABLE_PIDOF),
+ /* NB: used by find_pid_by_name(). Any applet using it
+ * needs to be mentioned here. */
+ PSSCAN_ARGVN = (1 << 16) * (ENABLE_KILLALL
+ || ENABLE_PGREP || ENABLE_PKILL
+ || ENABLE_PIDOF
+ || ENABLE_SESTATUS
+ ),
USE_SELINUX(PSSCAN_CONTEXT = 1 << 17,)
PSSCAN_START_TIME = 1 << 18,
+ PSSCAN_CPU = 1 << 19,
/* These are all retrieved from proc/NN/stat in one go: */
PSSCAN_STAT = PSSCAN_PPID | PSSCAN_PGID | PSSCAN_SID
- | PSSCAN_COMM | PSSCAN_STATE
- | PSSCAN_VSZ | PSSCAN_RSS
- | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
- | PSSCAN_TTY,
+ /**/ | PSSCAN_COMM | PSSCAN_STATE
+ /**/ | PSSCAN_VSZ | PSSCAN_RSS
+ /**/ | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
+ /**/ | PSSCAN_TTY
+#if ENABLE_FEATURE_TOP_SMP_PROCESS
+ /**/ | PSSCAN_CPU
+#endif
};
//procps_status_t* alloc_procps_scan(void) FAST_FUNC;
void free_procps_scan(procps_status_t* sp) FAST_FUNC;
void bb_uuencode(char *store, const void *s, int length, const char *tbl) FAST_FUNC;
typedef struct sha1_ctx_t {
- uint32_t count[2];
- uint32_t hash[5];
- uint32_t wbuf[16];
+ uint32_t hash[8]; /* 5, +3 elements for sha256 */
+ uint64_t total64;
+ uint8_t wbuffer[64]; /* NB: always correctly aligned for uint64_t */
+ void (*process_block)(struct sha1_ctx_t*) FAST_FUNC;
} sha1_ctx_t;
void sha1_begin(sha1_ctx_t *ctx) FAST_FUNC;
void sha1_hash(const void *data, size_t length, sha1_ctx_t *ctx) FAST_FUNC;
-void *sha1_end(void *resbuf, sha1_ctx_t *ctx) FAST_FUNC;
-
+void sha1_end(void *resbuf, sha1_ctx_t *ctx) FAST_FUNC;
+typedef struct sha1_ctx_t sha256_ctx_t;
+void sha256_begin(sha256_ctx_t *ctx) FAST_FUNC;
+#define sha256_hash sha1_hash
+#define sha256_end sha1_end
+typedef struct sha512_ctx_t {
+ uint64_t hash[8];
+ uint64_t total64[2];
+ uint8_t wbuffer[128]; /* NB: always correctly aligned for uint64_t */
+} sha512_ctx_t;
+void sha512_begin(sha512_ctx_t *ctx) FAST_FUNC;
+void sha512_hash(const void *buffer, size_t len, sha512_ctx_t *ctx) FAST_FUNC;
+void sha512_end(void *resbuf, sha512_ctx_t *ctx) FAST_FUNC;
+#if 1
typedef struct md5_ctx_t {
uint32_t A;
uint32_t B;
uint32_t buflen;
char buffer[128];
} md5_ctx_t;
+#else
+/* libbb/md5prime.c uses a bit different one: */
+typedef struct md5_ctx_t {
+ uint32_t state[4]; /* state (ABCD) */
+ uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
+ unsigned char buffer[64]; /* input buffer */
+} md5_ctx_t;
+#endif
void md5_begin(md5_ctx_t *ctx) FAST_FUNC;
void md5_hash(const void *data, size_t length, md5_ctx_t *ctx) FAST_FUNC;
-void *md5_end(void *resbuf, md5_ctx_t *ctx) FAST_FUNC;
+void md5_end(void *resbuf, md5_ctx_t *ctx) FAST_FUNC;
+
uint32_t *crc32_filltable(uint32_t *tbl256, int endian) FAST_FUNC;
projects / oweals / busybox.git / blobdiff