home *** CD-ROM | disk | FTP | other *** search
- /*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include "rsync.h"
-
- int verbose = 0;
- int always_checksum = 0;
- time_t starttime;
- off_t total_size = 0;
- int block_size=BLOCK_SIZE;
-
- char *backup_suffix = BACKUP_SUFFIX;
-
- static char *rsync_path = RSYNC_NAME;
-
- int make_backups = 0;
- int preserve_links = 0;
- int preserve_hard_links = 0;
- int preserve_perms = 0;
- int preserve_devices = 0;
- int preserve_uid = 0;
- int preserve_gid = 0;
- int preserve_times = 0;
- int update_only = 0;
- int cvs_exclude = 0;
- int dry_run=0;
- int local_server=0;
- int ignore_times=0;
- int delete_mode=0;
- int one_file_system=0;
- int remote_version=0;
- int sparse_files=0;
- int do_compression=0;
- int am_root=0;
- int orig_umask=0;
-
- extern int csum_length;
-
- int am_server = 0;
- static int sender = 0;
- int recurse = 0;
-
- static void usage(FILE *f);
-
- static void report(int f)
- {
- int in,out,tsize;
- time_t t = time(NULL);
-
- if (!verbose) return;
-
- if (am_server && sender) {
- write_int(f,read_total());
- write_int(f,write_total());
- write_int(f,total_size);
- write_flush(f);
- return;
- }
-
- if (sender) {
- in = read_total();
- out = write_total();
- tsize = (int)total_size;
- } else {
- in = read_int(f);
- out = read_int(f);
- tsize = read_int(f);
- }
-
- printf("wrote %d bytes read %d bytes %g bytes/sec\n",
- out,in,(in+out)/(0.5 + (t-starttime)));
- printf("total size is %d speedup is %g\n",
- tsize,(1.0*tsize)/(in+out));
- }
-
-
- static void server_options(char **args,int *argc)
- {
- int ac = *argc;
- static char argstr[50];
- static char bsize[30];
- int i, x;
-
- args[ac++] = "--server";
-
- if (!sender)
- args[ac++] = "--sender";
-
- x = 1;
- argstr[0] = '-';
- for (i=0;i<verbose;i++)
- argstr[x++] = 'v';
- if (make_backups)
- argstr[x++] = 'b';
- if (update_only)
- argstr[x++] = 'u';
- if (dry_run)
- argstr[x++] = 'n';
- if (preserve_links)
- argstr[x++] = 'l';
- if (preserve_hard_links)
- argstr[x++] = 'H';
- if (preserve_uid)
- argstr[x++] = 'o';
- if (preserve_gid)
- argstr[x++] = 'g';
- if (preserve_devices)
- argstr[x++] = 'D';
- if (preserve_times)
- argstr[x++] = 't';
- if (preserve_perms)
- argstr[x++] = 'p';
- if (recurse)
- argstr[x++] = 'r';
- if (always_checksum)
- argstr[x++] = 'c';
- if (cvs_exclude)
- argstr[x++] = 'C';
- if (ignore_times)
- argstr[x++] = 'I';
- if (one_file_system)
- argstr[x++] = 'x';
- if (sparse_files)
- argstr[x++] = 'S';
- if (do_compression)
- argstr[x++] = 'z';
- argstr[x] = 0;
-
- if (x != 1) args[ac++] = argstr;
-
- if (block_size != BLOCK_SIZE) {
- sprintf(bsize,"-B%d",block_size);
- args[ac++] = bsize;
- }
-
- if (delete_mode)
- args[ac++] = "--delete";
-
- *argc = ac;
- }
-
-
-
- int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
- {
- char *args[100];
- int i,argc=0;
- char *tok,*p;
-
- if (!local_server) {
- if (!cmd)
- cmd = getenv(RSYNC_RSH_ENV);
- if (!cmd)
- cmd = RSYNC_RSH;
- cmd = strdup(cmd);
- if (!cmd)
- goto oom;
-
- for (tok=strtok(cmd," ");tok;tok=strtok(NULL," ")) {
- args[argc++] = tok;
- }
-
- #if HAVE_REMSH
- /* remsh (on HPUX) takes the arguments the other way around */
- args[argc++] = machine;
- if (user) {
- args[argc++] = "-l";
- args[argc++] = user;
- }
- #else
- if (user) {
- args[argc++] = "-l";
- args[argc++] = user;
- }
- args[argc++] = machine;
- #endif
- }
-
- args[argc++] = rsync_path;
-
- server_options(args,&argc);
-
- if (path && *path) {
- char *dir = strdup(path);
- p = strrchr(dir,'/');
- if (p) {
- *p = 0;
- if (!dir[0])
- args[argc++] = "/";
- else
- args[argc++] = dir;
- p++;
- } else {
- args[argc++] = ".";
- p = dir;
- }
- if (p[0])
- args[argc++] = path;
- }
-
- args[argc] = NULL;
-
- if (verbose > 3) {
- fprintf(FERROR,"cmd=");
- for (i=0;i<argc;i++)
- fprintf(FERROR,"%s ",args[i]);
- fprintf(FERROR,"\n");
- }
-
- return piped_child(args,f_in,f_out);
-
- oom:
- out_of_memory("do_cmd");
- return 0; /* not reached */
- }
-
-
-
-
- static char *get_local_name(struct file_list *flist,char *name)
- {
- struct stat st;
-
- if (stat(name,&st) == 0) {
- if (S_ISDIR(st.st_mode)) {
- if (chdir(name) != 0) {
- fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
- exit_cleanup(1);
- }
- return NULL;
- }
- if (flist->count > 1) {
- fprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
- exit_cleanup(1);
- }
- return name;
- }
-
- if (flist->count == 1)
- return name;
-
- if (!name)
- return NULL;
-
- if (mkdir(name,0777 & ~orig_umask) != 0) {
- fprintf(FERROR,"mkdir %s : %s\n",name,strerror(errno));
- exit_cleanup(1);
- } else {
- fprintf(FINFO,"created directory %s\n",name);
- }
-
- if (chdir(name) != 0) {
- fprintf(FERROR,"chdir %s : %s\n",name,strerror(errno));
- exit_cleanup(1);
- }
-
- return NULL;
- }
-
-
-
-
- void do_server_sender(int argc,char *argv[])
- {
- int i;
- char *dir = argv[0];
- struct file_list *flist;
-
- if (verbose > 2)
- fprintf(FERROR,"server_sender starting pid=%d\n",(int)getpid());
-
- if (chdir(dir) != 0) {
- fprintf(FERROR,"chdir %s: %s\n",dir,strerror(errno));
- exit_cleanup(1);
- }
- argc--;
- argv++;
-
- if (strcmp(dir,".")) {
- int l = strlen(dir);
- if (strcmp(dir,"/") == 0)
- l = 0;
- for (i=0;i<argc;i++)
- argv[i] += l+1;
- }
-
- if (argc == 0 && recurse) {
- argc=1;
- argv--;
- argv[0] = ".";
- }
-
-
- flist = send_file_list(STDOUT_FILENO,argc,argv);
- send_files(flist,STDOUT_FILENO,STDIN_FILENO);
- report(STDOUT_FILENO);
- exit_cleanup(0);
- }
-
-
- static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
- {
- int pid;
- int status=0;
- int recv_pipe[2];
-
- if (preserve_hard_links)
- init_hard_links(flist);
-
- if (pipe(recv_pipe) < 0) {
- fprintf(FERROR,"pipe failed in do_recv\n");
- exit(1);
- }
-
-
- if ((pid=fork()) == 0) {
- recv_files(f_in,flist,local_name,recv_pipe[1]);
- if (preserve_hard_links)
- do_hard_links(flist);
- if (verbose > 2)
- fprintf(FERROR,"receiver read %d\n",read_total());
- exit_cleanup(0);
- }
-
- generate_files(f_out,flist,local_name,recv_pipe[0]);
-
- // waitpid(pid, &status, 0);
- wait3(&status, 0, NULL);
-
- return status;
- }
-
-
- void do_server_recv(int argc,char *argv[])
- {
- int status;
- char *dir = NULL;
- struct file_list *flist;
- char *local_name=NULL;
-
- if (verbose > 2)
- fprintf(FERROR,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
-
- if (argc > 0) {
- dir = argv[0];
- argc--;
- argv++;
- if (chdir(dir) != 0) {
- fprintf(FERROR,"chdir %s : %s\n",dir,strerror(errno));
- exit_cleanup(1);
- }
- }
-
- if (delete_mode)
- recv_exclude_list(STDIN_FILENO);
-
- flist = recv_file_list(STDIN_FILENO);
- if (!flist || flist->count == 0) {
- fprintf(FERROR,"nothing to do\n");
- exit_cleanup(1);
- }
-
- if (argc > 0) {
- if (strcmp(dir,".")) {
- argv[0] += strlen(dir);
- if (argv[0][0] == '/') argv[0]++;
- }
- local_name = get_local_name(flist,argv[0]);
- }
-
- status = do_recv(STDIN_FILENO,STDOUT_FILENO,flist,local_name);
- exit_cleanup(status);
- }
-
-
- static void usage(FILE *f)
- {
- fprintf(f,"rsync version %s Copyright Andrew Tridgell and Paul Mackerras\n\n",
- VERSION);
- fprintf(f,"Usage:\t%s [options] src user@host:dest\nOR",RSYNC_NAME);
- fprintf(f,"\t%s [options] user@host:src dest\n\n",RSYNC_NAME);
- fprintf(f,"Options:\n");
- fprintf(f,"-v, --verbose increase verbosity\n");
- fprintf(f,"-c, --checksum always checksum\n");
- fprintf(f,"-a, --archive archive mode (same as -rlptDog)\n");
- fprintf(f,"-r, --recursive recurse into directories\n");
- fprintf(f,"-b, --backup make backups (default ~ extension)\n");
- fprintf(f,"-u, --update update only (don't overwrite newer files)\n");
- fprintf(f,"-l, --links preserve soft links\n");
- fprintf(f,"-H, --hard-links preserve hard links\n");
- fprintf(f,"-p, --perms preserve permissions\n");
- fprintf(f,"-o, --owner preserve owner (root only)\n");
- fprintf(f,"-g, --group preserve group\n");
- fprintf(f,"-D, --devices preserve devices (root only)\n");
- fprintf(f,"-t, --times preserve times\n");
- fprintf(f,"-S, --sparse handle sparse files efficiently\n");
- fprintf(f,"-n, --dry-run show what would have been transferred\n");
- fprintf(f,"-x, --one-file-system don't cross filesystem boundaries\n");
- fprintf(f,"-B, --block-size SIZE checksum blocking size\n");
- fprintf(f,"-e, --rsh COMMAND specify rsh replacement\n");
- fprintf(f," --rsync-path PATH specify path to rsync on the remote machine\n");
- fprintf(f,"-C, --cvs-exclude auto ignore files in the same way CVS does\n");
- fprintf(f," --delete delete files that don't exist on the sending side\n");
- fprintf(f,"-I, --ignore-times don't exclude files that match length and time\n");
- fprintf(f,"-z, --compress compress file data\n");
- fprintf(f," --exclude FILE exclude file FILE\n");
- fprintf(f," --exclude-from FILE exclude files listed in FILE\n");
- fprintf(f," --suffix SUFFIX override backup suffix\n");
- fprintf(f," --version print version number\n");
-
- fprintf(f,"\n");
- fprintf(f,"the backup suffix defaults to %s\n",BACKUP_SUFFIX);
- fprintf(f,"the block size defaults to %d\n",BLOCK_SIZE);
- }
-
- enum {OPT_VERSION,OPT_SUFFIX,OPT_SENDER,OPT_SERVER,OPT_EXCLUDE,
- OPT_EXCLUDE_FROM,OPT_DELETE,OPT_RSYNC_PATH};
-
- static char *short_options = "oblHpguDCtcahvrIxnSe:B:z";
-
- static struct option long_options[] = {
- {"version", 0, 0, OPT_VERSION},
- {"server", 0, 0, OPT_SERVER},
- {"sender", 0, 0, OPT_SENDER},
- {"delete", 0, 0, OPT_DELETE},
- {"exclude", 1, 0, OPT_EXCLUDE},
- {"exclude-from",1, 0, OPT_EXCLUDE_FROM},
- {"rsync-path", 1, 0, OPT_RSYNC_PATH},
- {"one-file-system",0, 0, 'x'},
- {"ignore-times",0, 0, 'I'},
- {"help", 0, 0, 'h'},
- {"dry-run", 0, 0, 'n'},
- {"sparse", 0, 0, 'S'},
- {"cvs-exclude", 0, 0, 'C'},
- {"archive", 0, 0, 'a'},
- {"checksum", 0, 0, 'c'},
- {"backup", 0, 0, 'b'},
- {"update", 0, 0, 'u'},
- {"verbose", 0, 0, 'v'},
- {"recursive", 0, 0, 'r'},
- {"devices", 0, 0, 'D'},
- {"perms", 0, 0, 'p'},
- {"links", 0, 0, 'l'},
- {"hard-links", 0, 0, 'H'},
- {"owner", 0, 0, 'o'},
- {"group", 0, 0, 'g'},
- {"times", 0, 0, 't'},
- {"rsh", 1, 0, 'e'},
- {"suffix", 1, 0, OPT_SUFFIX},
- {"block-size", 1, 0, 'B'},
- {"compress", 0, 0, 'z'},
- {0,0,0,0}};
-
- int main(int argc,char *argv[])
- {
- int pid, status = 0, status2 = 0;
- int opt;
- int option_index;
- char *shell_cmd = NULL;
- char *shell_machine = NULL;
- char *shell_path = NULL;
- char *shell_user = NULL;
- char *p;
- int f_in,f_out;
- struct file_list *flist;
- char *local_name = NULL;
-
- starttime = time(NULL);
- am_root = (getuid() == 0);
-
- /* we set a 0 umask so that correct file permissions can be
- carried across */
- orig_umask = umask(0);
-
- while ((opt = getopt_long(argc, argv,
- short_options, long_options, &option_index))
- != -1) {
- switch (opt)
- {
- case OPT_VERSION:
- printf("rsync version %s protocol version %d\n",
- VERSION,PROTOCOL_VERSION);
- exit_cleanup(0);
-
- case OPT_SUFFIX:
- backup_suffix = optarg;
- break;
-
- case OPT_RSYNC_PATH:
- rsync_path = optarg;
- break;
-
- case 'I':
- ignore_times = 1;
- break;
-
- case 'x':
- one_file_system=1;
- break;
-
- case OPT_DELETE:
- delete_mode = 1;
- break;
-
- case OPT_EXCLUDE:
- add_exclude(optarg);
- break;
-
- case OPT_EXCLUDE_FROM:
- add_exclude_file(optarg,1);
- break;
-
- case 'h':
- usage(FINFO);
- exit_cleanup(0);
-
- case 'b':
- make_backups=1;
- break;
-
- case 'n':
- dry_run=1;
- break;
-
- case 'S':
- sparse_files=1;
- break;
-
- case 'C':
- cvs_exclude=1;
- break;
-
- case 'u':
- update_only=1;
- break;
-
- case 'l':
- #if SUPPORT_LINKS
- preserve_links=1;
- #endif
- break;
-
- case 'H':
- #if SUPPORT_HARD_LINKS
- preserve_hard_links=1;
- #endif
- break;
-
- case 'p':
- preserve_perms=1;
- break;
-
- case 'o':
- preserve_uid=1;
- break;
-
- case 'g':
- preserve_gid=1;
- break;
-
- case 'D':
- preserve_devices=1;
- break;
-
- case 't':
- preserve_times=1;
- break;
-
- case 'c':
- always_checksum=1;
- break;
-
- case 'v':
- verbose++;
- break;
-
- case 'a':
- recurse=1;
- #if SUPPORT_LINKS
- preserve_links=1;
- #endif
- preserve_perms=1;
- preserve_times=1;
- preserve_gid=1;
- if (am_root) {
- preserve_devices=1;
- preserve_uid=1;
- }
- break;
-
- case OPT_SERVER:
- am_server = 1;
- break;
-
- case OPT_SENDER:
- if (!am_server) {
- usage(FERROR);
- exit_cleanup(1);
- }
- sender = 1;
- break;
-
- case 'r':
- recurse = 1;
- break;
-
- case 'e':
- shell_cmd = optarg;
- break;
-
- case 'B':
- block_size = atoi(optarg);
- break;
-
- case 'z':
- do_compression = 1;
- break;
-
- default:
- /* fprintf(FERROR,"bad option -%c\n",opt); */
- exit_cleanup(1);
- }
- }
-
- while (optind--) {
- argc--;
- argv++;
- }
-
- signal(SIGCHLD,SIG_IGN);
- signal(SIGINT,SIGNAL_CAST sig_int);
- signal(SIGPIPE,SIGNAL_CAST sig_int);
- signal(SIGHUP,SIGNAL_CAST sig_int);
-
- if (dry_run)
- verbose = MAX(verbose,1);
-
- if (am_server) {
- setup_protocol(STDOUT_FILENO,STDIN_FILENO);
-
- if (sender) {
- recv_exclude_list(STDIN_FILENO);
- if (cvs_exclude)
- add_cvs_excludes();
- do_server_sender(argc,argv);
- } else {
- do_server_recv(argc,argv);
- }
- exit_cleanup(0);
- }
-
- if (argc < 2) {
- usage(FERROR);
- exit_cleanup(1);
- }
-
- p = strchr(argv[0],':');
-
- if (p) {
- sender = 0;
- *p = 0;
- shell_machine = argv[0];
- shell_path = p+1;
- argc--;
- argv++;
- } else {
- sender = 1;
-
- p = strchr(argv[argc-1],':');
- if (!p) {
- local_server = 1;
- }
-
- if (local_server) {
- shell_machine = NULL;
- shell_path = argv[argc-1];
- } else {
- *p = 0;
- shell_machine = argv[argc-1];
- shell_path = p+1;
- }
- argc--;
- }
-
- if (shell_machine) {
- p = strchr(shell_machine,'@');
- if (p) {
- *p = 0;
- shell_user = shell_machine;
- shell_machine = p+1;
- }
- }
-
- if (verbose > 3) {
- fprintf(FERROR,"cmd=%s machine=%s user=%s path=%s\n",
- shell_cmd?shell_cmd:"",
- shell_machine?shell_machine:"",
- shell_user?shell_user:"",
- shell_path?shell_path:"");
- }
-
- if (!sender && argc != 1) {
- usage(FERROR);
- exit_cleanup(1);
- }
-
- pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
-
- setup_protocol(f_out,f_in);
-
- if (verbose > 3)
- fprintf(FERROR,"parent=%d child=%d sender=%d recurse=%d\n",
- (int)getpid(),pid,sender,recurse);
-
- if (sender) {
- if (cvs_exclude)
- add_cvs_excludes();
- if (delete_mode)
- send_exclude_list(f_out);
- flist = send_file_list(f_out,argc,argv);
- if (verbose > 3)
- fprintf(FERROR,"file list sent\n");
- send_files(flist,f_out,f_in);
- if (verbose > 3)
- fprintf(FERROR,"waiting on %d\n",pid);
- wait3(&status, 0, NULL); // waitpid(pid, &status, 0);
- report(-1);
- exit_cleanup(status);
- }
-
- send_exclude_list(f_out);
-
- flist = recv_file_list(f_in);
- if (!flist || flist->count == 0) {
- fprintf(FERROR,"nothing to do\n");
- exit_cleanup(0);
- }
-
- local_name = get_local_name(flist,argv[0]);
-
- status2 = do_recv(f_in,f_out,flist,local_name);
-
- report(f_in);
-
- wait3(&status, 0, NULL); // waitpid(pid, &status, 0);
-
- return status | status2;
- }
-