/* same conditions as recursiveAction */
#define bb_need_name_too_long
#endif
+#define bb_need_memory_exhausted
#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/stat.h>
+#include <sys/ioctl.h>
#include <sys/utsname.h> /* for uname(2) */
#if defined BB_FEATURE_MOUNT_LOOP
#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <linux/loop.h>
+#include <linux/loop.h> /* Pull in loop device support */
#endif
/* Busybox mount uses either /proc/filesystems or /dev/mtab to get the
# endif
#endif
-
extern void usage(const char *usage)
{
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
}
#endif /* BB_INIT */
+
+
+#if defined BB_FREE || defined BB_INIT || defined BB_UNAME || defined BB_UPTIME
+#include <sys/syscall.h>
+_syscall1(int, sysinfo, struct sysinfo *, info);
+#endif /* BB_INIT */
+
+#if defined BB_MOUNT || defined BB_UMOUNT
+#include <sys/syscall.h>
+
+#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_CP_MV) || defined (BB_DU)
#define HASH_SIZE 311 /* Should be prime */
#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)
+ int setModes, int followLinks, int forceFlag)
{
int rfd;
int wfd;
else
status = lstat(destName, &dstStatBuf);
- if (status < 0) {
+ if (status < 0 || forceFlag==TRUE) {
+ unlink(destName);
dstStatBuf.st_ino = -1;
dstStatBuf.st_dev = -1;
}
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;
#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_RM) \
+ || defined (BB_TAR)
+
/*
* Walk down all the directories under the specified
* location, and do something (something specified
}
}
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) {
+ if (strlen(fileName) + strlen(next->d_name) + 1 > BUFSIZ) {
fprintf(stderr, name_too_long, "ftw");
return FALSE;
}
+ memset(nextFile, 0, sizeof(nextFile));
sprintf(nextFile, "%s/%s", fileName, next->d_name);
status =
recursiveAction(nextFile, TRUE, followLinks, depthFirst,
{
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_PS || defined BB_LS || defined BB_TAR || defined BB_ID
-
-#if defined BB_CHMOD_CHOWN_CHGRP || defined BB_PS || defined BB_LS || defined BB_TAR
-
-/* 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, unsigned long id, unsigned long *gid)
{
FILE *file;
char *rname, *start, *end, buf[128];
- uid_t rid;
+ unsigned long rid;
+ unsigned 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);
+ if (gid) *gid = rgid;
fclose(file);
return (TRUE);
}
return (-1);
}
-uid_t my_getpwnam(char *name)
+/* returns a uid given a username */
+unsigned 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 */
+unsigned 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, unsigned long uid)
{
- my_getid("/etc/passwd", name, uid);
+ 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, unsigned long gid)
{
- my_getid("/etc/group", group, gid);
+ my_getid("/etc/group", group, gid, NULL);
}
+/* gets a gid given a user name */
+unsigned long my_getpwnamegid(char *name)
+{
+ unsigned long gid;
+ my_getid("/etc/passwd", name, -1, &gid);
+ return gid;
+}
-#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR */
-
-
-
+#endif /* BB_CHMOD_CHOWN_CHGRP || BB_PS || BB_LS || BB_TAR || BB_ID */
-#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)
{
}
-#endif /* BB_CHVT || BB_DEALLOCVT */
+#endif /* BB_CHVT || BB_DEALLOCVT || BB_SETKEYCODES */
#if !defined BB_REGEXP && (defined BB_GREP || defined BB_SED)
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;
#endif /* ! BB_REGEXP && (BB_GREP || BB_SED) */
-#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 */
#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
fatalError( "\nDEVPS_GET_PID_LIST: %s\n", strerror (errno));
/* 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;
if (isspace(*(p)))
*p='\0';
- if ((strstr(info.command_line, pidName) != NULL)) {
+ if ((strstr(info.command_line, pidName) != NULL)
+ && (strlen(pidName) == strlen(info.command_line))) {
pidList=realloc( pidList, sizeof(pid_t) * (j+2));
if (pidList==NULL)
- fatalError("out of memory\n");
+ fatalError(memory_exhausted, "");
pidList[j++]=info.pid;
}
}
FILE *status;
char filename[256];
char buffer[256];
- char* p, *q;
+ char* p;
/* If it isn't a number, we don't want it */
if (!isdigit(*next->d_name))
}
p=buffer+6; /* Skip the "Name:\t" */
- if (((q=strstr(q, pidName)) != NULL)
- && (strncmp(q, pidName, strlen(pidName)) != 0)) {
+ if ((strstr(p, pidName) != NULL)
+ && (strlen(pidName) == strlen(p))) {
pidList=realloc( pidList, sizeof(pid_t) * (i+2));
if (pidList==NULL)
- fatalError("out of memory\n");
+ fatalError(memory_exhausted, "");
pidList[i++]=strtol(next->d_name, NULL, 0);
}
}
void *cp = malloc(size);
if (cp == NULL)
- fatalError("out of memory\n");
+ fatalError(memory_exhausted, "");
return cp;
}
+#if defined BB_FEATURE_NFSMOUNT
+extern char * xstrdup (const char *s) {
+ char *t;
+
+ if (s == NULL)
+ return NULL;
+
+ t = strdup (s);
+
+ if (t == NULL)
+ fatalError(memory_exhausted, "");
+
+ return t;
+}
+
+extern char * xstrndup (const char *s, int n) {
+ char *t;
+
+ if (s == NULL)
+ fatalError("xstrndup bug");
+
+ 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_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;
}
#endif
-const unsigned int CSTRING_BUFFER_LENGTH = 128;
-/* recursive parser that returns cstrings of arbitrary length
- * from a FILE*
- */
-static char *
-cstring_alloc(FILE* f, int depth)
+
+/* 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)
+{
+ static const int GROWBY = 80; /* how large we will grow strings by */
+
+ 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 */
+ if (idx > linebufsz-2)
+ linebuf = realloc(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_ECHO || defined BB_TR
+char process_escape_sequence(char **ptr)
{
- char *cstring;
- char buffer[CSTRING_BUFFER_LENGTH];
- int target = CSTRING_BUFFER_LENGTH * depth;
- int i, len;
- int size;
-
- /* fill buffer */
- i = 0;
- while ((buffer[i] = fgetc(f)) != EOF) {
- if (buffer[i++] == 0x0a) { break; }
- if (i == CSTRING_BUFFER_LENGTH) { break; }
- }
- len = i;
-
- /* recurse or malloc? */
- if (len == CSTRING_BUFFER_LENGTH) {
- cstring = cstring_alloc(f, (depth + 1));
- } else {
- /* [special case] EOF */
- if ((depth | len) == 0) { return NULL; }
-
- /* malloc */
- size = target + len + 1;
- cstring = malloc(size);
- if (!cstring) { return NULL; }
- cstring[size - 1] = 0;
- }
-
- /* copy buffer */
- if (cstring) {
- memcpy(&cstring[target], buffer, len);
- }
- return cstring;
+ 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 '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
+char *get_last_path_component(char *path)
+{
+ char *s=path+strlen(path)-1;
+
+ /* strip trailing slashes */
+ while (s && *s == '/') {
+ *s-- = '\0';
+ }
+
+ /* find last component */
+ s = strrchr(path, '/');
+ if (s==NULL) return path;
+ else return s+1;
}
+#endif
-/*
- * wrapper around recursive cstring_alloc
- * it's the caller's responsibility to free the cstring
- */
-char *
-cstring_lineFromFile(FILE *f)
+#if defined BB_GREP || defined BB_SED
+int bb_regcomp(regex_t *preg, const char *regex, int cflags)
{
- return cstring_alloc(f, 0);
+ 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);
+ errorMsg("bb_regcomp: %s\n", errmsg);
+ free(errmsg);
+ regfree(preg);
+ }
+ return ret;
}
+#endif
/* END CODE */
/*
projects / oweals / busybox.git / blobdiff