void addFilespec(FILE *fd, int squash_uids, int squash_perms)
{
unsigned long rmode, mode, uid, gid, major, minor, i;
unsigned long start, increment, count, octmode, decmode;
char *c, *dir, *name, *dname = NULL, *path = NULL, *path2 = NULL, *line = NULL;
char type;
size_t len;
int argv, i2, overWrite = 0, lineno = 0;
__u16 inodeType;
while ( getline(&line, &len, fd) >= 0 ) {
rmode = mode = uid = gid = major = minor = start = count = overWrite = 0;
increment = 1;
lineno++;
if (( c = strchr(line, '#'))) *c = 0;
if ( path ) {
free( path ); path = NULL;
}
if ( path2 ) {
free( path2 ); path2 = NULL;
}
argv = sscanf(line, "%" SCANF_PREFIX "s %c %ld %lu %lu %lu %lu %lu %lu %lu",
SCANF_STRING(path), &type, &rmode, &uid, &gid, &major, &minor,
&start, &increment, &count);
if ( argv < 3 ) {
if ( argv > 0 )
log_warning("device table[%d]: bad format for entry '%s' [skip]", lineno, path);
continue;
}
i2 = 0;
octmode = rmode;
decmode = 0;
while ( octmode != 0 ) {
decmode = decmode + (octmode % 10) * pow(8, i2++);
octmode = octmode / 10;
}
if ( squash_uids ) uid = gid = 0;
mode = decmode;
path2 = strdup( path );
name = basename( path );
dir = dirname( path2 );
if (( !strcmp(name, ".")) || ( !strcmp(name, "..")) || ( !strcmp(name, "/"))) {
log_warning("device table[%d]: [skip]", lineno);
continue;
}
log_action(ACT_CHDIR, dir, NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir(dir)) {
log_warning("device table[%d]: target directory '%s' for entry '%s' does not exist [skip]", lineno, dir, name);
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
continue;
}
if (( type != 'd' ) && ( type != 'f' ) && ( type != 'p' ) && ( type != 'c' ) && ( type != 'b' ) && ( type != 's')) {
log_warning("device table[%d]: bad type '%c' for entry '%s' [skip]", lineno, type, name);
continue;
}
if (squash_perms) {
mode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO );
rmode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO);
}
if ( count > 0 ) {
if ( dname ) {
free( dname );
dname = NULL;
}
unsigned len;
len = strlen(name) + 10;
dname = malloc(len + 1);
for ( i = start; i < count; i++ ) {
snprintf(dname, len, "%s%lu", name, i);
if (( overWrite = name_to_inode(dname)))
inodeType = inode_mode(dname);
if (( type == 'd' ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), dname);
else if (( type != 'd' ) && ( overWrite )) {
if ( LINUX_S_ISDIR(inodeType))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), dname);
if ((!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), dname, inodeType);
}
switch ( type ) {
case 'd':
mode |= LINUX_S_IFDIR;
log_action(ACT_MKDIR, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir(dname))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), dname);
break;
case 'c':
case 'b':
if ( type == 'c' )
mode |= LINUX_S_IFCHR;
else
mode |= LINUX_S_IFBLK;
if ( overWrite ) {
log_action(ACT_RM, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(dname))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), dname);
}
log_action(ACT_MKNOD, dname, NULL, 0, 0, 0, type, major, minor + ((i * increment) - start), overWrite);
if ( !do_mknod(dname, type, major, minor + ((i * increment) - start)))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), dname);
break;
case 's':
case 'p':
if ( type == 's' )
mode |= LINUX_S_IFSOCK;
else mode |= LINUX_S_IFIFO;
if ( overWrite ) {
log_action(ACT_RM, dname, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(dname))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), dname);
}
log_action(ACT_MKNOD, dname, NULL, 0, 0, 0, type, 0, 0, overWrite);
if ( !do_mknod(dname, type, 0, 0))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), dname);
break;
}
log_action(ACT_CHMOD, dname, NULL, rmode, 0, 0, 0, 0, 0, 0);
if ( !do_chmod(dname, rmode))
log_error("[Filesystem error] cannot chmod %s/%s", log_cwd(), dname);
log_action(ACT_CHOWN, dname, NULL, 0, uid, gid, 0, 0, 0, 0);
if ( !do_chown(dname, uid, gid))
log_error("[Filesystem error] cannot chown %s/%s", log_cwd(), dname);
}
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
free(dname);
dname = NULL;
} else {
if (( overWrite = name_to_inode(name)))
inodeType = inode_mode(name);
if (( type == 'd' ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), dname);
else if ( type != 'd' ) {
if (( overWrite ) && ( LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), dname);
if (( overWrite ) && (!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), dname, inodeType);
}
switch ( type ) {
case 'd':
mode |= LINUX_S_IFDIR;
log_action(ACT_MKDIR, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir(name))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), name);
break;
case 'c':
case 'b':
if ( type == 'c' )
mode |= LINUX_S_IFCHR;
else
mode |= LINUX_S_IFBLK;
if ( overWrite ) {
log_action(ACT_RM, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), name);
}
log_action(ACT_MKNOD, name, NULL, 0, 0, 0, type, major, minor, overWrite);
if ( !do_mknod(name, type, major, minor))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), name);
break;
case 's':
case 'p':
if ( type == 's' )
mode |= LINUX_S_IFSOCK;
else mode |= LINUX_S_IFIFO;
if ( overWrite ) {
log_action(ACT_RM, name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), name);
}
log_action(ACT_MKNOD, name, NULL, 0, 0, 0, type, 0, 0, overWrite);
if ( !do_mknod(name, type, 0, 0))
log_error("[Filesystem error] cannot mknod %s/%s", log_cwd(), name);
break;
}
log_action(ACT_CHMOD, name, NULL, rmode, 0, 0, 0, 0, 0, 0);
if ( !do_chmod(name, rmode))
log_error("[Filesystem error] cannot chmod %s/%s", log_cwd(), name);
log_action(ACT_CHOWN, name, NULL, 0, uid, gid, 0, 0, 0, 0);
if ( !do_chown(name, uid, gid))
log_error("[Filesystem error] cannot chown %s/%s", log_cwd(), name);
log_action(ACT_CHDIR, "/", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir("/"))
log_error("[Filesystem error] cannot chdir to root");
}
}
if ( line ) {
free( line ); line = NULL;
}
if ( path ) {
free( path ); path = NULL;
}
if ( path2 ) {
free( path2 ); path2 = NULL;
}
}
void addPath(const char *path, int squash_uids, int squash_perms)
{
size_t len;
char *full_name = NULL, *lnk = NULL;
struct dirent *file = NULL;
DIR *direc = NULL;
struct stat st;
int overWrite;
__u16 inodeType;
direc = opendir(path);
if ( !direc )
log_error("[Local fs opendir] Cannot open directory %s", path);
while (( file = readdir(direc)) != NULL ) {
if (( !strcmp(file->d_name, "." )) || ( !strcmp(file->d_name, ".." )))
continue;
len = strlen(path) + strlen( file->d_name ) + 3;
if ( full_name ) {
free( full_name );
full_name = NULL;
}
full_name = (char*)malloc(len + 2);
if ( !full_name )
log_error("[Local fs stat] Memory allocation error ( full_name --> %s/%s )", path, file->d_name);
memset(full_name, 0, len + 2);
snprintf(full_name, len, "%s/%s", path, file->d_name);
lstat(full_name, &st);
mode_t fmt = st.st_mode & S_IFMT;
if ( squash_uids )
st.st_uid = st.st_gid = 0;
if ( squash_perms )
st.st_mode &= ~( LINUX_S_IRWXG | LINUX_S_IRWXO );
overWrite = name_to_inode( file->d_name );
if ( st.st_nlink > 1 ) {
if (( lnk = linklist_add(st.st_dev, st.st_ino, full_name + modPath_path_len))) {
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_HARDLINK, file->d_name, lnk, 0, 0, 0, 0, 0, 0, overWrite);
if (!do_hardlink(&st, lnk, file->d_name))
log_error("[Filesystem error] cannot hardlink %s --> %s", file->d_name, lnk);
continue;
}
}
if ( overWrite )
inodeType = inode_mode( file->d_name );
if (( fmt == S_IFDIR ) && ( overWrite ) && ( !LINUX_S_ISDIR(inodeType)))
log_error("[Remote fs mismatch] %s/%s exists but isn't a directory when it should be.", log_cwd(), file->d_name);
else if (( fmt != S_IFDIR) && ( overWrite )) {
if ( LINUX_S_ISDIR(inodeType))
log_error("[Remote fs mismatch] %s/%s exists but is a directory when it shouldn't be.", log_cwd(), file->d_name);
if ((!LINUX_S_ISREG(inodeType)) && (!LINUX_S_ISLNK(inodeType)) &&
(!LINUX_S_ISBLK(inodeType)) && (!LINUX_S_ISCHR(inodeType)) &&
(!LINUX_S_ISFIFO(inodeType)) && (!LINUX_S_ISSOCK(inodeType)))
log_error("[Remote fs mismatch] Existing file %s/%s has unknown/unsupported type [0x%x].", log_cwd(), file->d_name);
}
switch ( fmt ) {
case S_IFDIR: // Directory
log_action(ACT_MKDIR, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !overWrite )
if ( !do_mkdir( &st, file->d_name ))
log_error("[Filesystem error] cannot mkdir %s/%s", log_cwd(), file->d_name);
log_action(ACT_CHMODE, file->d_name, NULL, st.st_mode, 0, 0, 0, 0, 0, overWrite);
if ( !do_chmode(file->d_name, st.st_mode))
log_error("[Filesystem error] Failed to chmode 0x%x for directory %s/%s", st.st_mode, log_cwd(), file->d_name);
log_action(ACT_CHOWN, file->d_name, NULL, 0, st.st_uid, st.st_gid, 0, 0, 0, 0);
if ( !do_chown(file->d_name, st.st_uid, st.st_gid))
log_error("[Filesystem error] Failed to chown %ld, %ld for directory %s/%s", st.st_uid, st.st_gid, log_cwd(), file->d_name);
log_action(ACT_CHDIR, file->d_name, NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir( file->d_name ))
log_error("[Filesystem error] cannot chdir to newly created %s/%s", log_cwd(), file->d_name);
addPath(full_name, squash_uids, squash_perms);
log_action(ACT_CHDIR, "..", NULL, 0, 0, 0, 0, 0, 0, 0);
if ( !do_chdir(".."))
log_error("[Filesystem error] cannot chdir to parent directory");
break;
case S_IFREG: // Regular file
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_WRITE, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_write(full_name, file->d_name))
log_error("[Filesystem error] cannot write %s/%s", log_cwd(), file->d_name);
break;
case S_IFLNK: // Symbolic link
lnk = (char*)malloc(MAX_PATHSIZE + 2);
if ( !lnk )
log_error("[symlink] Memory allocation error (lnk)");
int len = readlink(full_name, lnk, MAX_PATHSIZE);
if ( len == -1 ) {
free(lnk);
log_error("[Local filesystem error] Cannot read destination for link %s/%s", log_cwd(), file->d_name);
} else lnk[len] = '\0';
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
log_action(ACT_SYMLINK, file->d_name, lnk, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_symlink(&st, lnk, file->d_name))
log_error("[Filesystem error] cannot symlink %s/%s --> %s", log_cwd(), file->d_name, lnk);
free(lnk);
break;
case S_IFBLK: // Block device node
case S_IFCHR: // Character device node
case S_IFSOCK: // socket
case S_IFIFO: // fifo
if ( overWrite ) {
log_action(ACT_RM, file->d_name, NULL, 0, 0, 0, 0, 0, 0, overWrite);
if ( !do_rm(file->d_name))
log_error("[Filesystem error] cannot rm %s/%s", log_cwd(), file->d_name);
}
char nodetype = ( fmt == S_IFBLK ? 'b' : ( fmt == S_IFCHR ? 'c' : ( fmt == S_IFSOCK ? 's' : 'p' )));
unsigned long major = 0, minor = 0;
if (( nodetype == 'b' ) || ( nodetype == 'c' )) {
major = (long)major(st.st_rdev);
minor = (long)minor(st.st_rdev);
}
log_action(ACT_MKNOD, file->d_name, NULL, 0, 0, 0, nodetype, major, minor, overWrite);
if ( !do_mknod(file->d_name, nodetype, major, minor))
log_error("[Filesystem error] cannot mknod %c %ld,%ld %s/%s", log_cwd(), nodetype, major, minor, log_cwd(), file->d_name);
break;
}
if ( fmt != S_IFDIR ) { // Not dir ?
log_action(ACT_CHMODE, file->d_name, NULL, st.st_mode, 0, 0, 0, 0, 0, overWrite);
if ( !do_chmode(file->d_name, st.st_mode))
log_error("[Filesystem error] Failed to chmode 0x%x for file %s/%s", st.st_mode, log_cwd(), file->d_name);
log_action(ACT_CHOWN, file->d_name, NULL, 0, st.st_uid, st.st_gid, 0, 0, 0, 0);
if ( !do_chown(file->d_name, st.st_uid, st.st_gid))
log_error("[Filesystem error] Failed to chown %ld, %ld for file %s/%s", st.st_uid, st.st_gid, log_cwd(), file->d_name);
}
if ( full_name ) {
free( full_name );
full_name = NULL;
}
}
closedir(direc);
}
