/* -*- c-file-style: "linux" -*-    Weiss 1/1999   Batch utilities for rsync. */ #include "rsync.h"#include <time.h> extern char *batch_prefix;extern int csum_length;extern int protocol_version;extern struct stats stats; struct file_list *batch_flist; static char rsync_flist_file[] = ".rsync_flist";static char rsync_csums_file[] = ".rsync_csums";static char rsync_delta_file[] = ".rsync_delta";static char rsync_argvs_file[] = ".rsync_argvs"; static int f_csums = -1;static int f_delta = -1; void write_batch_flist_info(int flist_count, struct file_struct **files){	char filename[MAXPATHLEN];	int i, f, save_pv;	int64 save_written; 	stringjoin(filename, sizeof filename,	    batch_prefix, rsync_flist_file, NULL); 	f = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);	if (f < 0) {		rprintf(FERROR, "Batch file %s open error: %s\n",		    filename, strerror(errno));		exit_cleanup(1);	} 	save_written = stats.total_written;	save_pv = protocol_version;	protocol_version = PROTOCOL_VERSION;	write_int(f, protocol_version);	write_int(f, flist_count); 	for (i = 0; i < flist_count; i++) {		send_file_entry(files[i], f,		    files[i]->flags & FLAG_TOP_DIR ?  XMIT_TOP_DIR : 0);	}	send_file_entry(NULL, f, 0); 	protocol_version = save_pv;	stats.total_written = save_written; 	close(f);}  void write_batch_argvs_file(int argc, char *argv[]){	int f;	int i;	char buff[256]; /* XXX */	char buff2[MAXPATHLEN + 6];	char filename[MAXPATHLEN]; 	stringjoin(filename, sizeof filename,	    batch_prefix, rsync_argvs_file, NULL); 	f = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,	    S_IRUSR | S_IWUSR | S_IEXEC);	if (f < 0) {		rprintf(FERROR, "Batch file %s open error: %s\n",		    filename, strerror(errno));		exit_cleanup(1);	}	buff[0] = '\0'; 	/* Write argvs info to batch file */ 	for (i = 0; i < argc; ++i) {		if (i == argc - 2) /* Skip source directory on cmdline */			continue;		/*		 * FIXME:		 * I think directly manipulating argv[] is probably bogus		 */		if (!strncmp(argv[i], "--write-batch",		    strlen("--write-batch"))) {			/* Safer to change it here than script */			/*			 * Change to --read-batch=prefix			 * to get ready for remote			 */			strlcat(buff, "--read-batch=", sizeof buff);			strlcat(buff, batch_prefix, sizeof buff);		} else		if (i == argc - 1) {			snprintf(buff2, sizeof buff2, "${1:-%s}", argv[i]);			strlcat(buff, buff2, sizeof buff);		}		else {			strlcat(buff, argv[i], sizeof buff);		} 		if (i < (argc - 1)) {			strlcat(buff, " ", sizeof buff);		}	}	strlcat(buff, "\n", sizeof buff);	if (!write(f, buff, strlen(buff))) {		rprintf(FERROR, "Batch file %s write error: %s\n",		    filename, strerror(errno));		close(f);		exit_cleanup(1);	}	close(f);} struct file_list *create_flist_from_batch(void){	char filename[MAXPATHLEN];	unsigned short flags;	int i, f, save_pv;	int64 save_read; 	stringjoin(filename, sizeof filename,	    batch_prefix, rsync_flist_file, NULL); 	f = do_open(filename, O_RDONLY, 0);	if (f < 0) {		rprintf(FERROR, "Batch file %s open error: %s\n",		    filename, strerror(errno));		exit_cleanup(1);	} 	batch_flist = flist_new(WITH_HLINK, "create_flist_from_batch"); 	save_read = stats.total_read;	save_pv = protocol_version;	protocol_version = read_int(f); 	batch_flist->count = read_int(f);	flist_expand(batch_flist); 	for (i = 0; (flags = read_byte(f)) != 0; i++) {		if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))			flags |= read_byte(f) << 8;		receive_file_entry(&batch_flist->files[i], flags, batch_flist, f);	}	receive_file_entry(NULL, 0, NULL, 0); /* Signal that we're done. */ 	protocol_version = save_pv;	stats.total_read = save_read; 	return batch_flist;} void write_batch_csums_file(void *buff, int bytes_to_write){	if (write(f_csums, buff, bytes_to_write) < 0) {		rprintf(FERROR, "Batch file write error: %s\n",		    strerror(errno));		close(f_csums);		exit_cleanup(1);	}} void close_batch_csums_file(void){	close(f_csums);	f_csums = -1;}  /** * Write csum info to batch file * * @todo This will break if s->count is ever larger than maxint.  The * batch code should probably be changed to consistently use the * variable-length integer routines, which is probably a compatible * change. **/void write_batch_csum_info(int *flist_entry, struct sum_struct *s){	size_t i;	int int_count;	char filename[MAXPATHLEN]; 	if (f_csums < 0) {		stringjoin(filename, sizeof filename,		    batch_prefix, rsync_csums_file, NULL); 		f_csums = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,		    S_IRUSR | S_IWUSR);		if (f_csums < 0) {			rprintf(FERROR, "Batch file %s open error: %s\n",			    filename, strerror(errno));			close(f_csums);			exit_cleanup(1);		}	} 	write_batch_csums_file(flist_entry, sizeof (int));	int_count = s ? (int) s->count : 0;	write_batch_csums_file(&int_count, sizeof int_count); 	if (s) {		for (i = 0; i < s->count; i++) {			write_batch_csums_file(&s->sums[i].sum1,			    sizeof (uint32));			write_batch_csums_file(s->sums[i].sum2, csum_length);		}	}} int read_batch_csums_file(char *buff, int len){	int bytes_read; 	if ((bytes_read = read(f_csums, buff, len)) < 0) {		rprintf(FERROR, "Batch file read error: %s\n", strerror(errno));		close(f_csums);		exit_cleanup(1);	}	return bytes_read;} void read_batch_csum_info(int flist_entry, struct sum_struct *s,			  int *checksums_match){	int i;	int file_flist_entry;	int file_chunk_ct;	uint32 file_sum1;	char file_sum2[SUM_LENGTH];	char filename[MAXPATHLEN]; 	if (f_csums < 0) {		stringjoin(filename, sizeof filename,		    batch_prefix, rsync_csums_file, NULL); 		f_csums = do_open(filename, O_RDONLY, 0);		if (f_csums < 0) {			rprintf(FERROR, "Batch file %s open error: %s\n",			    filename, strerror(errno));			close(f_csums);			exit_cleanup(1);		}	} 	read_batch_csums_file((char *) &file_flist_entry, sizeof (int));	if (file_flist_entry != flist_entry) {		rprintf(FINFO, "file_flist_entry (%d) != flist_entry (%d)\n",		    file_flist_entry, flist_entry);		close(f_csums);		exit_cleanup(1); 	} else {		read_batch_csums_file((char *) &file_chunk_ct, sizeof (int));		*checksums_match = 1;		for (i = 0; i < file_chunk_ct; i++) {			read_batch_csums_file((char *) &file_sum1,			    sizeof (uint32));			read_batch_csums_file(file_sum2, csum_length); 			if ((s->sums[i].sum1 != file_sum1)			    || memcmp(s->sums[i].sum2, file_sum2, csum_length))				*checksums_match = 0;		}		/*  end for  */	}} void write_batch_delta_file(char *buff, int bytes_to_write){	char filename[MAXPATHLEN]; 	if (f_delta < 0) {		stringjoin(filename, sizeof filename,		    batch_prefix, rsync_delta_file, NULL); 		f_delta = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,				  S_IRUSR | S_IWUSR);		if (f_delta < 0) {			rprintf(FERROR, "Batch file %s open error: %s\n",				filename, strerror(errno));			exit_cleanup(1);		}	} 	if (write(f_delta, buff, bytes_to_write) < 0) {		rprintf(FERROR, "Batch file %s write error: %s\n",		    filename, strerror(errno));		close(f_delta);		exit_cleanup(1);	}} void close_batch_delta_file(void){	close(f_delta);	f_delta = -1;} int read_batch_delta_file(char *buff, int len){	int bytes_read;	char filename[MAXPATHLEN]; 	if (f_delta < 0) {		stringjoin(filename, sizeof filename,		    batch_prefix, rsync_delta_file, NULL); 		f_delta = do_open(filename, O_RDONLY, 0);		if (f_delta < 0) {			rprintf(FERROR, "Batch file %s open error: %s\n",			    filename, strerror(errno));			close(f_delta);			exit_cleanup(1);		}	} 	bytes_read = read(f_delta, buff, len);	if (bytes_read < 0) {		rprintf(FERROR, "Batch file %s read error: %s\n",		    filename, strerror(errno));		close(f_delta);		exit_cleanup(1);	} 	return bytes_read;} void show_flist(int index, struct file_struct **fptr){	/*  for debugging    show_flist(flist->count, flist->files * */ 	int i;	for (i = 0; i < index; i++) {		rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags);		rprintf(FINFO, "flist->modtime=%#lx\n",			(long unsigned) fptr[i]->modtime);		rprintf(FINFO, "flist->length=%.0f\n",			(double) fptr[i]->length);		rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode);		rprintf(FINFO, "flist->basename=%s\n", fptr[i]->basename);		if (fptr[i]->dirname)			rprintf(FINFO, "flist->dirname=%s\n",				fptr[i]->dirname);		if (fptr[i]->basedir)			rprintf(FINFO, "flist->basedir=%s\n",				fptr[i]->basedir);	}} void show_argvs(int argc, char *argv[]){	/*  for debugging  * */ 	int i;	rprintf(FINFO, "BATCH.C:show_argvs,argc=%d\n", argc);	for (i = 0; i < argc; i++) {		/*    if (argv[i])   */		rprintf(FINFO, "i=%d,argv[i]=%s\n", i, argv[i]); 	}}