*
*/
-#include "internal.h"
+#include "busybox.h"
#if defined (BB_CHMOD_CHOWN_CHGRP) \
|| defined (BB_CP_MV) \
|| defined (BB_FIND) \
+ || defined (BB_INSMOD) \
|| defined (BB_LS) \
- || defined (BB_INSMOD)
-/* same conditions as recursiveAction */
+ || defined (BB_RM) \
+ || defined (BB_TAR)
+/* same conditions as recursive_action */
#define bb_need_name_too_long
#endif
+#define bb_need_memory_exhausted
+#define bb_need_full_version
#define BB_DECLARE_EXTERN
#include "messages.c"
#include <dirent.h>
#include <time.h>
#include <utime.h>
-#include <sys/stat.h>
#include <unistd.h>
#include <ctype.h>
-#include <sys/param.h> /* for PATH_MAX */
-#include <sys/utsname.h> /* for uname(2) */
-
-#if defined BB_FEATURE_MOUNT_LOOP
-#include <fcntl.h>
#include <sys/ioctl.h>
-#include <linux/loop.h>
-#endif
+#include <sys/utsname.h> /* for uname(2) */
/* Busybox mount uses either /proc/filesystems or /dev/mtab to get the
* list of available filesystems used for the -t auto option */
#if defined BB_MOUNT || defined BB_UMOUNT || defined BB_DF
-# if defined BB_FEATURE_USE_PROCFS
-const char mtab_file[] = "/proc/mounts";
-# else
-# if defined BB_MTAB
+# if defined BB_MTAB
const char mtab_file[] = "/etc/mtab";
+# else
+# if defined BB_FEATURE_USE_PROCFS
+const char mtab_file[] = "/proc/mounts";
# else
# if defined BB_FEATURE_USE_DEVPS_PATCH
const char mtab_file[] = "/dev/mtab";
# endif
#endif
-
extern void usage(const char *usage)
{
- fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
- BB_VER, BB_BT);
+ fprintf(stderr, "%s\n\n", full_version);
fprintf(stderr, "Usage: %s\n", usage);
- exit FALSE;
+ exit(EXIT_FAILURE);
+}
+
+static void verror_msg(const char *s, va_list p)
+{
+ fflush(stdout);
+ fprintf(stderr, "%s: ", applet_name);
+ vfprintf(stderr, s, p);
+ fflush(stderr);
}
-extern void errorMsg(const char *s, ...)
+extern void error_msg(const char *s, ...)
{
va_list p;
va_start(p, s);
- fflush(stdout);
- vfprintf(stderr, s, p);
+ verror_msg(s, p);
va_end(p);
- fflush(stderr);
}
-extern void fatalError(const char *s, ...)
+extern void error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
- fflush(stdout);
- vfprintf(stderr, s, p);
+ verror_msg(s, p);
va_end(p);
+ exit(EXIT_FAILURE);
+}
+
+static void vperror_msg(const char *s, va_list p)
+{
+ fflush(stdout);
+ fprintf(stderr, "%s: ", applet_name);
+ if (s && *s) {
+ vfprintf(stderr, s, p);
+ fputs(": ", stderr);
+ }
+ fprintf(stderr, "%s\n", strerror(errno));
fflush(stderr);
- exit( FALSE);
}
-#if defined BB_INIT
+extern void perror_msg(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+}
+
+extern void perror_msg_and_die(const char *s, ...)
+{
+ va_list p;
+
+ va_start(p, s);
+ vperror_msg(s, p);
+ va_end(p);
+ exit(EXIT_FAILURE);
+}
+
+#if defined BB_INIT || defined BB_MKSWAP || defined BB_MOUNT
/* Returns kernel version encoded as major*65536 + minor*256 + patch,
* so, for example, to check if the kernel is greater than 2.2.11:
* if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
perror("cannot get system information");
return (0);
}
- sscanf(name.version, "%d.%d.%d", &major, &minor, &patch);
+ major = atoi(strtok(name.release, "."));
+ minor = atoi(strtok(NULL, "."));
+ patch = atoi(strtok(NULL, "."));
return major * 65536 + minor * 256 + patch;
}
#endif /* BB_INIT */
+
+
+#if defined BB_FREE || defined BB_INIT || defined BB_UNAME || defined BB_UPTIME
+_syscall1(int, sysinfo, struct sysinfo *, info);
+#endif /* BB_INIT */
+
+#if defined BB_MOUNT || defined BB_UMOUNT
+
+#ifndef __NR_umount2
+#define __NR_umount2 52
+#endif
+
+/* Include our own version of <sys/mount.h>, since libc5 doesn't
+ * know about umount2 */
+extern _syscall1(int, umount, const char *, special_file);
+extern _syscall2(int, umount2, const char *, special_file, int, flags);
+extern _syscall5(int, mount, const char *, special_file, const char *, dir,
+ const char *, fstype, unsigned long int, rwflag, const void *, data);
+#endif
+
+#if defined BB_INSMOD || defined BB_LSMOD
+#ifndef __NR_query_module
+#define __NR_query_module 167
+#endif
+_syscall5(int, query_module, const char *, name, int, which,
+ void *, buf, size_t, bufsize, size_t*, ret);
+#endif
+
+
#if defined (BB_CP_MV) || defined (BB_DU)
#define HASH_SIZE 311 /* Should be prime */
* Return TRUE if a fileName is a directory.
* Nonexistant files return FALSE.
*/
-int isDirectory(const char *fileName, const int followLinks, struct stat *statBuf)
+int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
{
int status;
int didMalloc = 0;
}
#endif
+#if defined (BB_AR) || defined BB_CP_MV
+/*
+ * Copy chunksize bytes between two file descriptors
+ */
+int copy_file_chunk(int srcfd, int dstfd, size_t chunksize)
+{
+ size_t size;
+ char buffer[BUFSIZ]; /* BUFSIZ is declared in stdio.h */
+
+ while (chunksize > 0) {
+ if (chunksize > BUFSIZ)
+ size = BUFSIZ;
+ else
+ size = chunksize;
+ if (full_write(dstfd, buffer, full_read(srcfd, buffer, size)) < size)
+ return(FALSE);
+ chunksize -= size;
+ }
+ return (TRUE);
+}
+#endif
+
+
#if defined (BB_CP_MV)
/*
- * Copy one file to another, while possibly preserving its modes, times,
- * and modes. Returns TRUE if successful, or FALSE on a failure with an
- * error message output. (Failure is not indicated if the attributes cannot
- * be set.)
- * -Erik Andersen
+ * Copy one file to another, while possibly preserving its modes, times, and
+ * modes. Returns TRUE if successful, or FALSE on a failure with an error
+ * message output. (Failure is not indicated if attributes cannot be set.)
+ * -Erik Andersen
*/
int
-copyFile(const char *srcName, const char *destName,
- int setModes, int followLinks)
+copy_file(const char *srcName, const char *destName,
+ int setModes, int followLinks, int forceFlag)
{
int rfd;
int wfd;
- int rcc;
int status;
- char buf[BUF_SIZE];
struct stat srcStatBuf;
struct stat dstStatBuf;
struct utimbuf times;
else
status = lstat(destName, &dstStatBuf);
- if (status < 0) {
+ if (status < 0 || forceFlag==TRUE) {
+ unlink(destName);
dstStatBuf.st_ino = -1;
dstStatBuf.st_dev = -1;
}
if ((srcStatBuf.st_dev == dstStatBuf.st_dev) &&
(srcStatBuf.st_ino == dstStatBuf.st_ino)) {
- fprintf(stderr, "Copying file \"%s\" to itself\n", srcName);
+ error_msg("Copying file \"%s\" to itself\n", srcName);
return FALSE;
}
return FALSE;
}
} else if (S_ISLNK(srcStatBuf.st_mode)) {
- char link_val[PATH_MAX + 1];
+ char link_val[BUFSIZ + 1];
int link_size;
//fprintf(stderr, "copying link %s to %s\n", srcName, destName);
- /* Warning: This could possibly truncate silently, to PATH_MAX chars */
- link_size = readlink(srcName, &link_val[0], PATH_MAX);
+ /* Warning: This could possibly truncate silently, to BUFSIZ chars */
+ link_size = readlink(srcName, &link_val[0], BUFSIZ);
if (link_size < 0) {
perror(srcName);
return FALSE;
}
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
if (setModes == TRUE) {
- if (lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0) {
- perror(destName);
- return FALSE;
- }
+ /* Try to set owner, but fail silently like GNU cp */
+ lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
}
#endif
return TRUE;
return FALSE;
}
- wfd =
- open(destName, O_WRONLY | O_CREAT | O_TRUNC,
+ wfd = open(destName, O_WRONLY | O_CREAT | O_TRUNC,
srcStatBuf.st_mode);
if (wfd < 0) {
perror(destName);
return FALSE;
}
- while ((rcc = read(rfd, buf, sizeof(buf))) > 0) {
- if (fullWrite(wfd, buf, rcc) < 0)
- goto error_exit;
- }
- if (rcc < 0) {
- goto error_exit;
- }
-
+ if (copy_file_chunk(rfd, wfd, srcStatBuf.st_size)==FALSE)
+ goto error_exit;
+
close(rfd);
if (close(wfd) < 0) {
return FALSE;
/* This is fine, since symlinks never get here */
if (chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
if (chmod(destName, srcStatBuf.st_mode) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
times.actime = srcStatBuf.st_atime;
times.modtime = srcStatBuf.st_mtime;
if (utime(destName, ×) < 0) {
perror(destName);
- exit FALSE;
+ exit(EXIT_FAILURE);
}
}
-#if defined BB_TAR || defined BB_LS
+#if defined BB_TAR || defined BB_LS ||defined BB_AR
#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
S_IROTH, S_IWOTH, S_IXOTH
};
-#define MODE1 "rwxrwxrwx"
-#define MODE0 "---------"
-#define SMODE1 "..s..s..t"
-#define SMODE0 "..S..S..T"
+static const char MODE1[] = "rwxrwxrwx";
+static const char MODE0[] = "---------";
+static const char SMODE1[] = "..s..s..t";
+static const char SMODE0[] = "..S..S..T";
/*
* Return the standard ls-like mode string from a file mode.
* This is static and so is overwritten on each call.
*/
-const char *modeString(int mode)
+const char *mode_string(int mode)
{
static char buf[12];
#endif /* BB_TAR || BB_LS */
-#if defined BB_TAR
+#if defined BB_TAR || defined BB_AR
/*
* Return the standard ls-like time string from a time_t
* This is static and so is overwritten on each call.
*/
-const char *timeString(time_t timeVal)
+const char *time_string(time_t timeVal)
{
time_t now;
char *str;
return buf;
}
-#endif /* BB_TAR */
+#endif /* BB_TAR || BB_AR */
-#if defined BB_TAR || defined BB_CP_MV
+#if defined BB_AR || defined BB_CP_MV || defined BB_DD || defined BB_NC || defined BB_TAR
/*
* Write all of the supplied buffer out to a file.
* This does multiple writes as necessary.
* Returns the amount written, or -1 on an error.
*/
-int fullWrite(int fd, const char *buf, int len)
+int full_write(int fd, const char *buf, int len)
{
int cc;
int total;
return total;
}
-#endif /* BB_TAR || BB_CP_MV */
+#endif /* BB_TAR || BB_CP_MV || BB_AR */
-#if defined BB_TAR || defined BB_TAIL
+#if defined BB_TAR || defined BB_TAIL || defined BB_AR || defined BB_SH || defined BB_CP_MV || defined BB_DD
/*
* Read all of the supplied buffer from a file.
* This does multiple reads as necessary.
* Returns the amount read, or -1 on an error.
* A short read is returned on an end of file.
*/
-int fullRead(int fd, char *buf, int len)
+int full_read(int fd, char *buf, int len)
{
int cc;
int total;
return total;
}
-#endif /* BB_TAR || BB_TAIL */
+#endif /* BB_TAR || BB_TAIL || BB_AR || BB_SH */
#if defined (BB_CHMOD_CHOWN_CHGRP) \
- || defined (BB_CP_MV) \
- || defined (BB_FIND) \
- || defined (BB_LS) \
- || defined (BB_INSMOD)
+ || defined (BB_CP_MV) \
+ || defined (BB_FIND) \
+ || defined (BB_INSMOD) \
+ || defined (BB_LS) \
+ || defined (BB_RM) \
+ || defined (BB_TAR)
+
/*
* Walk down all the directories under the specified
* location, and do something (something specified
* by the fileAction and dirAction function pointers).
*
- * Unfortunatly, while nftw(3) could replace this and reduce
+ * Unfortunately, while nftw(3) could replace this and reduce
* code size a bit, nftw() wasn't supported before GNU libc 2.1,
* and so isn't sufficiently portable to take over since glibc2.1
* is so stinking huge.
*/
-int recursiveAction(const char *fileName,
+int recursive_action(const char *fileName,
int recurse, int followLinks, int depthFirst,
int (*fileAction) (const char *fileName,
- struct stat * statbuf),
+ struct stat * statbuf,
+ void* userData),
int (*dirAction) (const char *fileName,
- struct stat * statbuf))
+ struct stat * statbuf,
+ void* userData),
+ void* userData)
{
int status;
struct stat statbuf;
"status=%d followLinks=%d TRUE=%d\n",
status, followLinks, TRUE);
#endif
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
if (fileAction == NULL)
return TRUE;
else
- return fileAction(fileName, &statbuf);
+ return fileAction(fileName, &statbuf, userData);
}
if (recurse == FALSE) {
if (S_ISDIR(statbuf.st_mode)) {
if (dirAction != NULL)
- return (dirAction(fileName, &statbuf));
+ return (dirAction(fileName, &statbuf, userData));
else
return TRUE;
}
dir = opendir(fileName);
if (!dir) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
if (dirAction != NULL && depthFirst == FALSE) {
- status = dirAction(fileName, &statbuf);
+ status = dirAction(fileName, &statbuf, userData);
if (status == FALSE) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
}
while ((next = readdir(dir)) != NULL) {
- char nextFile[PATH_MAX + 1];
+ char nextFile[BUFSIZ + 1];
if ((strcmp(next->d_name, "..") == 0)
|| (strcmp(next->d_name, ".") == 0)) {
continue;
}
- if (strlen(fileName) + strlen(next->d_name) + 1 > PATH_MAX) {
- fprintf(stderr, name_too_long, "ftw");
+ if (strlen(fileName) + strlen(next->d_name) + 1 > BUFSIZ) {
+ error_msg(name_too_long);
return FALSE;
}
+ memset(nextFile, 0, sizeof(nextFile));
sprintf(nextFile, "%s/%s", fileName, next->d_name);
status =
- recursiveAction(nextFile, TRUE, followLinks, depthFirst,
- fileAction, dirAction);
- if (status < 0) {
+ recursive_action(nextFile, TRUE, followLinks, depthFirst,
+ fileAction, dirAction, userData);
+ if (status == FALSE) {
closedir(dir);
return FALSE;
}
}
status = closedir(dir);
if (status < 0) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
if (dirAction != NULL && depthFirst == TRUE) {
- status = dirAction(fileName, &statbuf);
+ status = dirAction(fileName, &statbuf, userData);
if (status == FALSE) {
- perror(fileName);
+ perror_msg("%s", fileName);
return FALSE;
}
}
if (fileAction == NULL)
return TRUE;
else
- return fileAction(fileName, &statbuf);
+ return fileAction(fileName, &statbuf, userData);
}
return TRUE;
}
* while all previous ones get default protections. Errors are not reported
* here, as failures to restore files can be reported later.
*/
-extern int createPath(const char *name, int mode)
+extern int create_path(const char *name, int mode)
{
char *cp;
char *cpOld;
- char buf[PATH_MAX + 1];
+ char buf[BUFSIZ + 1];
int retVal = 0;
strcpy(buf, name);
-#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR)
+#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_MKDIR) \
+ || defined (BB_MKFIFO) || defined (BB_MKNOD) || defined (BB_AR)
/* [ugoa]{+|-|=}[rwxst] */
char type;
char c;
+ if (s==NULL)
+ return (FALSE);
+
do {
for (;;) {
switch (c = *s++) {
}
-#endif /* BB_CHMOD_CHOWN_CHGRP || BB_MKDIR */
-
-
+#endif
+/* BB_CHMOD_CHOWN_CHGRP || BB_MKDIR || BB_MKFIFO || BB_MKNOD */
-#if defined (BB_CHMOD_CHOWN_CHGRP) || defined (BB_PS)
+#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS \
+ || defined BB_TAR || defined BB_ID || defined BB_LOGGER \
+ || defined BB_LOGNAME || defined BB_WHOAMI || defined BB_SH
-/* Use this to avoid needing the glibc NSS stuff
- * This uses storage buf to hold things.
- * */
-uid_t my_getid(const char *filename, char *name, uid_t id)
+/* This parses 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 or wanted for embedded
+ * systems.
+ *
+ * /etc/passwd entries look like this:
+ * root:x:0:0:root:/root:/bin/bash
+ * and /etc/group entries look like this:
+ * root:x:0:
+ *
+ * This uses buf as storage to hold things.
+ *
+ */
+unsigned long my_getid(const char *filename, char *name, long id, long *gid)
{
FILE *file;
char *rname, *start, *end, buf[128];
- uid_t rid;
+ long rid;
+ long rgid = 0;
file = fopen(filename, "r");
if (file == NULL) {
- perror(filename);
+ /* Do not complain. It is ok for /etc/passwd and
+ * friends to be missing... */
return (-1);
}
if (buf[0] == '#')
continue;
+ /* username/group name */
start = buf;
end = strchr(start, ':');
if (end == NULL)
*end = '\0';
rname = start;
+ /* password */
start = end + 1;
end = strchr(start, ':');
if (end == NULL)
continue;
+ /* uid in passwd, gid in group */
start = end + 1;
- rid = (uid_t) strtol(start, &end, 10);
+ rid = (unsigned long) strtol(start, &end, 10);
if (end == start)
continue;
+ /* gid in passwd */
+ start = end + 1;
+ rgid = (unsigned long) strtol(start, &end, 10);
+
if (name) {
if (0 == strcmp(rname, name)) {
+ if (gid) *gid = rgid;
fclose(file);
return (rid);
}
}
if (id != -1 && id == rid) {
strncpy(name, rname, 8);
+ name[8]='\0';
+ if (gid) *gid = rgid;
fclose(file);
return (TRUE);
}
return (-1);
}
-uid_t my_getpwnam(char *name)
+/* returns a uid given a username */
+long my_getpwnam(char *name)
{
- return my_getid("/etc/passwd", name, -1);
+ return my_getid("/etc/passwd", name, -1, NULL);
}
-gid_t my_getgrnam(char *name)
+/* returns a gid given a group name */
+long my_getgrnam(char *name)
{
- return my_getid("/etc/group", name, -1);
+ return my_getid("/etc/group", name, -1, NULL);
}
-void my_getpwuid(char *name, uid_t uid)
+/* gets a username given a uid */
+void my_getpwuid(char *name, long uid)
{
- my_getid("/etc/passwd", name, uid);
+ name[0] = '\0';
+ my_getid("/etc/passwd", name, uid, NULL);
}
-void my_getgrgid(char *group, gid_t gid)
+/* gets a groupname given a gid */
+void my_getgrgid(char *group, long gid)
{
- my_getid("/etc/group", group, gid);
+ group[0] = '\0';
+ my_getid("/etc/group", group, gid, NULL);
}
+/* gets a gid given a user name */
+long my_getpwnamegid(char *name)
+{
+ long gid;
+ my_getid("/etc/passwd", name, -1, &gid);
+ return gid;
+}
-#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS */
-
-
-
+#endif
+ /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR \
+ || BB_ID || BB_LOGGER || BB_LOGNAME || BB_WHOAMI */
-#if (defined BB_CHVT) || (defined BB_DEALLOCVT)
+#if (defined BB_CHVT) || (defined BB_DEALLOCVT) || (defined BB_SETKEYCODES)
-#include <linux/kd.h>
-#include <sys/ioctl.h>
+/* From <linux/kd.h> */
+#define KDGKBTYPE 0x4B33 /* get keyboard type */
+#define KB_84 0x01
+#define KB_101 0x02 /* this is what we always answer */
int is_a_console(int fd)
{
if (is_a_console(fd))
return fd;
- fprintf(stderr,
- "Couldnt get a file descriptor referring to the console\n");
+ error_msg("Couldnt get a file descriptor referring to the console\n");
return -1; /* total failure */
}
-#endif /* BB_CHVT || BB_DEALLOCVT */
-
-
-#if !defined BB_REGEXP && (defined BB_GREP || defined BB_SED)
-
-/* Do a case insensitive strstr() */
-char *stristr(char *haystack, const char *needle)
-{
- int len = strlen(needle);
-
- while (*haystack) {
- if (!strncasecmp(haystack, needle, len))
- break;
- haystack++;
- }
-
- if (!(*haystack))
- haystack = NULL;
-
- return haystack;
-}
-
-/* This tries to find a needle in a haystack, but does so by
- * only trying to match literal strings (look 'ma, no regexps!)
- * This is short, sweet, and carries _very_ little baggage,
- * unlike its beefier cousin in regexp.c
- * -Erik Andersen
- */
-extern int find_match(char *haystack, char *needle, int ignoreCase)
-{
-
- if (ignoreCase == FALSE)
- haystack = strstr(haystack, needle);
- else
- haystack = stristr(haystack, needle);
- if (haystack == NULL)
- return FALSE;
- return TRUE;
-}
-
-
-/* This performs substitutions after a string match has been found. */
-extern int replace_match(char *haystack, char *needle, char *newNeedle,
- int ignoreCase)
-{
- int foundOne = 0;
- char *where, *slider, *slider1, *oldhayStack;
-
- if (ignoreCase == FALSE)
- where = strstr(haystack, needle);
- else
- where = stristr(haystack, needle);
-
- if (strcmp(needle, newNeedle) == 0)
- return FALSE;
-
- oldhayStack = (char *) xmalloc((unsigned) (strlen(haystack)));
- while (where != NULL) {
- foundOne++;
- strcpy(oldhayStack, haystack);
-#if 0
- if (strlen(newNeedle) > strlen(needle)) {
- haystack =
- (char *) realloc(haystack,
- (unsigned) (strlen(haystack) -
- strlen(needle) +
- strlen(newNeedle)));
- }
-#endif
- for (slider = haystack, slider1 = oldhayStack; slider != where;
- slider++, slider1++);
- *slider = 0;
- haystack = strcat(haystack, newNeedle);
- slider1 += strlen(needle);
- haystack = strcat(haystack, slider1);
- where = strstr(slider, needle);
- }
- free(oldhayStack);
-
- if (foundOne > 0)
- return TRUE;
- else
- return FALSE;
-}
-
-#endif /* ! BB_REGEXP && (BB_GREP || BB_SED) */
+#endif /* BB_CHVT || BB_DEALLOCVT || BB_SETKEYCODES */
-#if defined BB_FIND
+#if defined BB_FIND || defined BB_INSMOD
/*
* Routine to see if a text string is matched by a wildcard pattern.
* Returns TRUE if the text is matched, or FALSE if it is not matched
const char *retryText;
int ch;
int found;
+ int len;
retryPat = NULL;
retryText = NULL;
if (*text == ch)
found = TRUE;
}
-
- //if (!found)
+ len=strlen(text);
+ if (found == FALSE && len!=0) {
+ return FALSE;
+ }
if (found == TRUE) {
- pattern = retryPat;
- text = ++retryText;
+ if (strlen(pattern)==0 && len==1) {
+ return TRUE;
+ }
+ if (len!=0) {
+ text++;
+ continue;
+ }
}
/* fall into next case */
return TRUE;
}
-#endif /* BB_FIND */
+#endif /* BB_FIND || BB_INSMOD */
* Given any other file (or directory), find the mount table entry for its
* filesystem.
*/
-extern struct mntent *findMountPoint(const char *name, const char *table)
+extern struct mntent *find_mount_point(const char *name, const char *table)
{
struct stat s;
dev_t mountDevice;
* Read a number with a possible multiplier.
* Returns -1 if the number format is illegal.
*/
-extern long getNum(const char *cp)
+extern long atoi_w_units(const char *cp)
{
long value;
- if (!isDecimal(*cp))
+ if (!is_decimal(*cp))
return -1;
value = 0;
- while (isDecimal(*cp))
+ while (is_decimal(*cp))
value = value * 10 + *cp++ - '0';
switch (*cp++) {
#endif /* BB_DD || BB_TAIL */
-#if defined BB_INIT || defined BB_SYSLOGD
+#if defined BB_INIT || defined BB_SYSLOGD
/* try to open up the specified device */
extern int device_open(char *device, int mode)
{
#if defined BB_KILLALL || ( defined BB_FEATURE_LINUXRC && ( defined BB_HALT || defined BB_REBOOT || defined BB_POWEROFF ))
#ifdef BB_FEATURE_USE_DEVPS_PATCH
-#include <linux/devps.h>
+#include <linux/devps.h> /* For Erik's nifty devps device driver */
#endif
#if defined BB_FEATURE_USE_DEVPS_PATCH
-/* findPidByName()
+/* find_pid_by_name()
*
* This finds the pid of the specified process,
* by using the /dev/ps device driver.
*
- * [return]
- * 0 failure
- * pid when the pid is found.
+ * Returns a list of all matching PIDs
*/
-extern pid_t findPidByName( char* pidName)
+extern pid_t* find_pid_by_name( char* pidName)
{
- int fd, i;
+ int fd, i, j;
char device[] = "/dev/ps";
- pid_t thePid = 0;
pid_t num_pids;
pid_t* pid_array = NULL;
+ pid_t* pidList=NULL;
/* open device */
fd = open(device, O_RDONLY);
if (fd < 0)
- fatalError( "open failed for `%s': %s\n", device, strerror (errno));
+ perror_msg_and_die( "open failed for `%s'", device);
/* Find out how many processes there are */
if (ioctl (fd, DEVPS_GET_NUM_PIDS, &num_pids)<0)
- fatalError( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
+ perror_msg_and_die( "\nDEVPS_GET_PID_LIST");
/* Allocate some memory -- grab a few extras just in case
* some new processes start up while we wait. The kernel will
* just ignore any extras if we give it too many, and will trunc.
* the list if we give it too few. */
- pid_array = (pid_t*) calloc( num_pids+10, sizeof(pid_t));
+ pid_array = (pid_t*) xcalloc( num_pids+10, sizeof(pid_t));
pid_array[0] = num_pids+10;
/* Now grab the pid list */
if (ioctl (fd, DEVPS_GET_PID_LIST, pid_array)<0)
- fatalError( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
+ perror_msg_and_die( "\nDEVPS_GET_PID_LIST");
/* Now search for a match */
- for (i=1; i<pid_array[0] ; i++) {
+ for (i=1, j=0; i<pid_array[0] ; i++) {
+ char* p;
struct pid_info info;
info.pid = pid_array[i];
if (ioctl (fd, DEVPS_GET_PID_INFO, &info)<0)
- fatalError( "\nDEVPS_GET_PID_INFO: %s\n", strerror (errno));
+ perror_msg_and_die( "\nDEVPS_GET_PID_INFO");
- if ((strstr(info.command_line, pidName) != NULL)) {
- thePid = info.pid;
- break;
+ /* Make sure we only match on the process name */
+ p=info.command_line+1;
+ while ((*p != 0) && !isspace(*(p)) && (*(p-1) != '\\')) {
+ (p)++;
+ }
+ if (isspace(*(p)))
+ *p='\0';
+
+ if ((strstr(info.command_line, pidName) != NULL)
+ && (strlen(pidName) == strlen(info.command_line))) {
+ pidList=xrealloc( pidList, sizeof(pid_t) * (j+2));
+ pidList[j++]=info.pid;
}
}
+ if (pidList)
+ pidList[j]=0;
/* Free memory */
free( pid_array);
/* close device */
if (close (fd) != 0)
- fatalError( "close failed for `%s': %s\n",device, strerror (errno));
+ perror_msg_and_die( "close failed for `%s'", device);
- return thePid;
+ return pidList;
}
#else /* BB_FEATURE_USE_DEVPS_PATCH */
#if ! defined BB_FEATURE_USE_PROCFS
#error Sorry, I depend on the /proc filesystem right now.
#endif
-/* findPidByName()
+/* find_pid_by_name()
*
* This finds the pid of the specified process.
* Currently, it's implemented by rummaging through
* the proc filesystem.
*
- * [return]
- * 0 failure
- * pid when the pid is found.
+ * Returns a list of all matching PIDs
*/
-extern pid_t findPidByName( char* pidName)
+extern pid_t* find_pid_by_name( char* pidName)
{
DIR *dir;
struct dirent *next;
+ pid_t* pidList=NULL;
+ int i=0;
dir = opendir("/proc");
if (!dir)
- fatalError( "Cannot open /proc: %s\n", strerror (errno));
+ perror_msg_and_die( "Cannot open /proc");
while ((next = readdir(dir)) != NULL) {
FILE *status;
if (!isdigit(*next->d_name))
continue;
- /* Now open the command line file */
- sprintf(filename, "/proc/%s/status", next->d_name);
+ sprintf(filename, "/proc/%s/cmdline", next->d_name);
status = fopen(filename, "r");
if (!status) {
continue;
fgets(buffer, 256, status);
fclose(status);
- if ((strstr(buffer, pidName) != NULL)) {
- return strtol(next->d_name, NULL, 0);
+ if (strstr(get_last_path_component(buffer), pidName) != NULL) {
+ pidList=xrealloc( pidList, sizeof(pid_t) * (i+2));
+ pidList[i++]=strtol(next->d_name, NULL, 0);
}
}
- return 0;
+
+ if (pidList)
+ pidList[i]=0;
+ return pidList;
}
#endif /* BB_FEATURE_USE_DEVPS_PATCH */
#endif /* BB_KILLALL || ( BB_FEATURE_LINUXRC && ( BB_HALT || BB_REBOOT || BB_POWEROFF )) */
+#ifndef DMALLOC
/* this should really be farmed out to libbusybox.a */
extern void *xmalloc(size_t size)
{
- void *cp = malloc(size);
+ void *ptr = malloc(size);
- if (cp == NULL)
- fatalError("out of memory");
- return cp;
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
}
+extern void *xrealloc(void *old, size_t size)
+{
+ void *ptr = realloc(old, size);
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
+}
+
+extern void *xcalloc(size_t nmemb, size_t size)
+{
+ void *ptr = calloc(nmemb, size);
+ if (!ptr)
+ error_msg_and_die(memory_exhausted);
+ return ptr;
+}
+#endif
+
+#if defined BB_FEATURE_NFSMOUNT || defined BB_LS || defined BB_SH || defined BB_WGET
+# ifndef DMALLOC
+extern char * xstrdup (const char *s) {
+ char *t;
+
+ if (s == NULL)
+ return NULL;
+
+ t = strdup (s);
+
+ if (t == NULL)
+ error_msg_and_die(memory_exhausted);
+
+ return t;
+}
+# endif
+#endif
+
+#if defined BB_FEATURE_NFSMOUNT
+extern char * xstrndup (const char *s, int n) {
+ char *t;
+
+ if (s == NULL)
+ error_msg_and_die("xstrndup bug\n");
+
+ t = xmalloc(n+1);
+ strncpy(t,s,n);
+ t[n] = 0;
+
+ return t;
+}
+#endif
+
+
#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
extern int vdprintf(int d, const char *format, va_list ap)
{
}
#endif /* BB_SYSLOGD */
+
#if defined BB_FEATURE_MOUNT_LOOP
+#include <fcntl.h>
+#include "loop.h" /* Pull in loop device support */
+
extern int del_loop(const char *device)
{
int fd;
}
#endif /* BB_FEATURE_MOUNT_LOOP */
-#if defined BB_MOUNT || defined BB_DF
+#if defined BB_MOUNT || defined BB_DF || ( defined BB_UMOUNT && ! defined BB_MTAB)
extern int find_real_root_device_name(char* name)
{
DIR *dir;
char fileName[BUFSIZ];
if (stat("/", &rootStat) != 0) {
- errorMsg("could not stat '/'\n");
+ error_msg("could not stat '/'\n");
return( FALSE);
}
dir = opendir("/dev");
if (!dir) {
- errorMsg("could not open '/dev'\n");
+ error_msg("could not open '/dev'\n");
return( FALSE);
}
if (strcmp(entry->d_name, "..") == 0)
continue;
- sprintf( fileName, "/dev/%s", entry->d_name);
+ snprintf( fileName, strlen(name)+1, "/dev/%s", entry->d_name);
if (stat(fileName, &statBuf) != 0)
continue;
#endif
-#if defined BB_MTAB
-#define whine_if_fstab_is_missing() {}
-#else
-extern void whine_if_fstab_is_missing()
+/* get_line_from_file() - This function reads an entire line from a text file
+ * up to a newline. It returns a malloc'ed char * which must be stored and
+ * free'ed by the caller. */
+extern char *get_line_from_file(FILE *file)
{
- struct stat statBuf;
+ static const int GROWBY = 80; /* how large we will grow strings by */
- if (stat("/etc/fstab", &statBuf) < 0)
- fprintf(stderr,
- "/etc/fstab file missing -- install one to name /dev/root.\n\n");
+ int ch;
+ int idx = 0;
+ char *linebuf = NULL;
+ int linebufsz = 0;
+
+ while (1) {
+ ch = fgetc(file);
+ if (ch == EOF)
+ break;
+ /* grow the line buffer as necessary */
+ while (idx > linebufsz-2)
+ linebuf = xrealloc(linebuf, linebufsz += GROWBY);
+ linebuf[idx++] = (char)ch;
+ if ((char)ch == '\n')
+ break;
+ }
+
+ if (idx == 0)
+ return NULL;
+
+ linebuf[idx] = 0;
+ return linebuf;
+}
+
+#if defined BB_CAT
+extern void print_file(FILE *file)
+{
+ int c;
+
+ while ((c = getc(file)) != EOF)
+ putc(c, stdout);
+ fclose(file);
+ fflush(stdout);
+}
+
+extern int print_file_by_name(char *filename)
+{
+ FILE *file;
+ if ((file = wfopen(filename, "r")) == NULL)
+ return FALSE;
+ print_file(file);
+ return TRUE;
+}
+#endif /* BB_CAT */
+
+#if defined BB_ECHO || defined BB_SH || defined BB_TR
+char process_escape_sequence(char **ptr)
+{
+ char c;
+
+ switch (c = *(*ptr)++) {
+ case 'a':
+ c = '\a';
+ break;
+ case 'b':
+ c = '\b';
+ break;
+ case 'f':
+ c = '\f';
+ break;
+ case 'n':
+ c = '\n';
+ break;
+ case 'r':
+ c = '\r';
+ break;
+ case 't':
+ c = '\t';
+ break;
+ case 'v':
+ c = '\v';
+ break;
+ case '\\':
+ c = '\\';
+ break;
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ c -= '0';
+ if ('0' <= **ptr && **ptr <= '7') {
+ c = c * 8 + (*(*ptr)++ - '0');
+ if ('0' <= **ptr && **ptr <= '7')
+ c = c * 8 + (*(*ptr)++ - '0');
+ }
+ break;
+ default:
+ (*ptr)--;
+ c = '\\';
+ break;
+ }
+ return c;
+}
+#endif
+
+#if defined BB_BASENAME || defined BB_LN || defined BB_SH || defined BB_INIT || defined BB_FEATURE_USE_PROCFS
+char *get_last_path_component(char *path)
+{
+ char *s=path+strlen(path)-1;
+
+ /* strip trailing slashes */
+ while (s != path && *s == '/') {
+ *s-- = '\0';
+ }
+
+ /* find last component */
+ s = strrchr(path, '/');
+ if (s == NULL || s[1] == '\0')
+ return path;
+ else
+ return s+1;
+}
+#endif
+
+#if defined BB_GREP || defined BB_SED
+void xregcomp(regex_t *preg, const char *regex, int cflags)
+{
+ int ret;
+ if ((ret = regcomp(preg, regex, cflags)) != 0) {
+ int errmsgsz = regerror(ret, preg, NULL, 0);
+ char *errmsg = xmalloc(errmsgsz);
+ regerror(ret, preg, errmsg, errmsgsz);
+ error_msg_and_die("xregcomp: %s\n", errmsg);
+ }
+}
+#endif
+
+#if defined BB_CAT || defined BB_HEAD || defined BB_WC
+FILE *wfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL) {
+ perror_msg("%s", path);
+ errno = 0;
+ }
+ return fp;
+}
+#endif
+
+#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
+ || defined BB_SED || defined BB_SH || defined BB_UNIQ \
+ || defined BB_WC || defined BB_CMP
+FILE *xfopen(const char *path, const char *mode)
+{
+ FILE *fp;
+ if ((fp = fopen(path, mode)) == NULL)
+ perror_msg_and_die("%s", path);
+ return fp;
+}
+#endif
+
+int applet_name_compare(const void *x, const void *y)
+{
+ const struct BB_applet *applet1 = x;
+ const struct BB_applet *applet2 = y;
+
+ return strcmp(applet1->name, applet2->name);
+}
+
+#if defined BB_NC
+ssize_t safe_read(int fd, void *buf, size_t count)
+{
+ ssize_t n;
+
+ do {
+ n = read(fd, buf, count);
+ } while (n < 0 && errno == EINTR);
+
+ return n;
}
#endif