-/*
- Copyright (C) Andrew Tridgell 1996
+/* -*- c-file-style: "linux" -*-
+
+ Copyright (C) 1996-2000 by Andrew Tridgell
Copyright (C) Paul Mackerras 1996
This program is free software; you can redistribute it and/or modify
extern char *tmpdir;
extern char *compare_dest;
extern int make_backups;
+extern int do_progress;
extern char *backup_suffix;
static struct delete_list {
- dev_t dev;
- INO_T inode;
+ DEV64_T dev;
+ INO64_T inode;
} *delete_list;
static int dlist_len, dlist_alloc_len;
}
+/*
+ * get_tmpname() - create a tmp filename for a given filename
+ *
+ * If a tmpdir is defined, use that as the directory to
+ * put it in. Otherwise, the tmp filename is in the same
+ * directory as the given name. Note that there may be no
+ * directory at all in the given name!
+ *
+ * The tmp filename is basically the given filename with a
+ * dot prepended, and .XXXXXX appended (for mkstemp() to
+ * put its unique gunk in). Take care to not exceed
+ * either the MAXPATHLEN or NAME_MAX, esp. the last, as
+ * the basename basically becomes 8 chars longer. In that
+ * case, the original name is shortened sufficiently to
+ * make it all fit.
+ *
+ * Of course, there's no real reason for the tmp name to
+ * look like the original, except to satisfy us humans.
+ * As long as it's unique, rsync will work.
+ */
+
static int get_tmpname(char *fnametmp, char *fname)
{
char *f;
+ int length = 0;
+ int maxname;
- /* open tmp file */
if (tmpdir) {
- f = strrchr(fname,'/');
- if (f == NULL)
- f = fname;
- else
- f++;
- if (strlen(tmpdir)+strlen(f)+10 > MAXPATHLEN) {
- rprintf(FERROR,"filename too long\n");
- return 0;
+ strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
+ length = strlen(fnametmp);
+ fnametmp[length++] = '/';
+ fnametmp[length] = '\0'; /* always NULL terminated */
}
- slprintf(fnametmp,MAXPATHLEN, "%s/.%s.XXXXXX",tmpdir,f);
- return 1;
+
+ if ((f = strrchr(fname, '/'))) { /* extra () for gcc */
+ ++f;
+ if (!tmpdir) {
+ length = f - fname;
+ strlcpy(fnametmp, fname, length + 1);
+ } /* copy up to and including the slash */
+ } else {
+ f = fname;
}
+ fnametmp[length++] = '.';
+ fnametmp[length] = '\0'; /* always NULL terminated */
- f = strrchr(fname,'/');
+ maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
- if (strlen(fname)+9 > MAXPATHLEN) {
- rprintf(FERROR,"filename too long\n");
+ if (maxname < 1)
+ {
+ rprintf(FERROR, "temporary filename too long: %s\n", fname);
+ fnametmp[0] = '\0';
return 0;
}
- if (f) {
- *f = 0;
- slprintf(fnametmp,MAXPATHLEN,"%s/.%s.XXXXXX",
- fname,f+1);
- *f = '/';
- } else {
- slprintf(fnametmp,MAXPATHLEN,".%s.XXXXXX",fname);
- }
+ strlcpy(fnametmp + length, f, maxname);
+ strcat(fnametmp + length, ".XXXXXX");
return 1;
}
static int receive_data(int f_in,struct map_struct *buf,int fd,char *fname,
OFF_T total_size)
{
- int i,n,remainder,len,count;
+ int i;
+ struct sum_struct sum;
+ unsigned int len;
OFF_T offset = 0;
OFF_T offset2;
char *data;
static char file_sum2[MD4_SUM_LENGTH];
char *map=NULL;
- count = read_int(f_in);
- n = read_int(f_in);
- remainder = read_int(f_in);
+ read_sum_head(f_in, &sum);
sum_init();
for (i=recv_token(f_in,&data); i != 0; i=recv_token(f_in,&data)) {
-
- show_progress(offset, total_size);
+ if (do_progress)
+ show_progress(offset, total_size);
if (i > 0) {
extern int cleanup_got_literal;
}
i = -(i+1);
- offset2 = i*(OFF_T)n;
- len = n;
- if (i == count-1 && remainder != 0)
- len = remainder;
+ offset2 = i*(OFF_T)sum.blength;
+ len = sum.blength;
+ if (i == (int) sum.count-1 && sum.remainder != 0)
+ len = sum.remainder;
stats.matched_data += len;
sum_update(map,len);
}
- if (fd != -1 && write_file(fd,map,len) != len) {
+ if (fd != -1 && write_file(fd,map,len) != (int) len) {
rprintf(FERROR,"write failed on %s : %s\n",
fname,strerror(errno));
exit_cleanup(RERR_FILEIO);
offset += len;
}
- end_progress(total_size);
+ if (do_progress)
+ end_progress(total_size);
if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
rprintf(FERROR,"write failed on %s : %s\n",
sum_end(file_sum1);
- if (remote_version >= 14) {
- read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
- if (verbose > 2) {
- rprintf(FINFO,"got file_sum\n");
- }
- if (fd != -1 &&
- memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) {
- return 0;
- }
+ read_buf(f_in,file_sum2,MD4_SUM_LENGTH);
+ if (verbose > 2) {
+ rprintf(FINFO,"got file_sum\n");
+ }
+ if (fd != -1
+ && memcmp(file_sum1,file_sum2,MD4_SUM_LENGTH) != 0) {
+ return 0;
}
return 1;
}
-/* main routine for receiver process. Receiver process runs on the
- same host as the generator process. */
-
+/**
+ * main routine for receiver process.
+ *
+ * Receiver process runs on the same host as the generator process. */
int recv_files(int f_in,struct file_list *flist,char *local_name,int f_gen)
{
int fd1,fd2;
STRUCT_STAT st;
char *fname;
+ char template[MAXPATHLEN];
char fnametmp[MAXPATHLEN];
char *fnamecmp;
char fnamecmpbuf[MAXPATHLEN];
extern struct stats stats;
extern int preserve_perms;
extern int delete_after;
+ extern int orig_umask;
struct stats initial_stats;
if (verbose > 2) {
i = read_int(f_in);
if (i == -1) {
- if (phase==0 && remote_version >= 13) {
+ if (phase==0) {
phase++;
csum_length = SUM_LENGTH;
if (verbose > 2)
fname = local_name;
if (dry_run) {
- if (!am_server) {
- log_transfer(file, fname);
+ if (!am_server && verbose) { /* log transfer */
+ rprintf(FINFO, "%s\n", fname);
}
continue;
}
if ((fd1 == -1) && (compare_dest != NULL)) {
/* try the file at compare_dest instead */
- slprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",
+ snprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",
compare_dest,fname);
fnamecmp = fnamecmpbuf;
fd1 = do_open(fnamecmp, O_RDONLY, 0);
}
if (fd1 != -1 && !preserve_perms) {
- /* if the file exists already and we aren't perserving
- presmissions then act as though the remote end sent
+ /* if the file exists already and we aren't preserving
+ permissions then act as though the remote end sent
us the file permissions we already have */
file->mode = st.st_mode;
}
continue;
}
- /* mktemp is deliberately used here instead of mkstemp.
- because O_EXCL is used on the open, the race condition
- is not a problem or a security hole, and we want to
- control the access permissions on the created file. */
- if (NULL == do_mktemp(fnametmp)) {
- rprintf(FERROR,"mktemp %s failed\n",fnametmp);
- receive_data(f_in,buf,-1,NULL,file->length);
- if (buf) unmap_file(buf);
- if (fd1 != -1) close(fd1);
- continue;
- }
+ strlcpy(template, fnametmp, sizeof(template));
/* we initially set the perms without the
setuid/setgid bits to ensure that there is no race
the lchown. Thanks to snabb@epipe.fi for pointing
this out. We also set it initially without group
access because of a similar race condition. */
- fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
- file->mode & INITACCESSPERMS);
+ fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
/* in most cases parent directories will already exist
because their information should have been previously
transferred, but that may not be the case with -R */
if (fd2 == -1 && relative_paths && errno == ENOENT &&
- create_directory_path(fnametmp) == 0) {
- fd2 = do_open(fnametmp,O_WRONLY|O_CREAT|O_EXCL,
- file->mode & INITACCESSPERMS);
+ create_directory_path(fnametmp, orig_umask) == 0) {
+ strlcpy(fnametmp, template, sizeof(fnametmp));
+ fd2 = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
}
if (fd2 == -1) {
- rprintf(FERROR,"cannot create %s : %s\n",fnametmp,strerror(errno));
+ rprintf(FERROR,"mkstemp %s failed: %s\n",fnametmp,strerror(errno));
receive_data(f_in,buf,-1,NULL,file->length);
if (buf) unmap_file(buf);
if (fd1 != -1) close(fd1);
cleanup_set(fnametmp, fname, file, buf, fd1, fd2);
- if (!am_server) {
- log_transfer(file, fname);
+ if (!am_server && verbose) { /* log transfer */
+ rprintf(FINFO, "%s\n", fname);
}
/* recv file data */
}
if (preserve_hard_links)
- do_hard_links(flist);
+ do_hard_links();
/* now we need to fix any directory permissions that were
modified during the transfer */
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff