* but set it higher, just in case. */
#define MAXCHILDPROCS 7
+#if defined HAVE_SIGACTION && defined HAVE_SIGPROCMASK
+#define SIGACTMASK(n,h) SIGACTION(n,h), sigaddset(&sigmask,(n))
+static struct sigaction sigact;
+#endif
+
struct pid_status {
pid_t pid;
int status;
return 0; /* not reached */
}
-
-static char *get_local_name(struct file_list *flist,char *name)
+/* The receiving side operates in one of two modes:
+ *
+ * 1. it enters a directory and receives one or more files, placing them
+ * according to their names in the file-list.
+ *
+ * 2. it receives a single file and saves it using the name in the
+ * destination path instead of its file-list name. This requires a
+ * "local name" for writing out the destination file.
+ *
+ * So, our task is to figure out what mode/local-name we need and return
+ * either a NULL for mode 1, or the local-name for mode 2. We also
+ * change directory if there are any path components in dest_path. */
+static char *get_local_name(struct file_list *flist, char *dest_path)
{
STRUCT_STAT st;
- int e;
+ char *cp;
- if (verbose > 2)
- rprintf(FINFO,"get_local_name count=%d %s\n",
- flist->count, NS(name));
+ if (verbose > 2) {
+ rprintf(FINFO, "get_local_name count=%d %s\n",
+ flist->count, NS(dest_path));
+ }
- if (!name)
+ if (!dest_path)
return NULL;
- if (do_stat(name,&st) == 0) {
+ /* If the destination path refers to an existing directory, enter
+ * it and use mode 1. If there is something other than a directory
+ * at the destination path, we must be transferring one file
+ * (anything at the destination will be overwritten). */
+ if (do_stat(dest_path, &st) == 0) {
if (S_ISDIR(st.st_mode)) {
- if (!push_dir(name)) {
+ if (!push_dir(dest_path)) {
rsyserr(FERROR, errno, "push_dir#1 %s failed",
- full_fname(name));
+ full_fname(dest_path));
exit_cleanup(RERR_FILESELECT);
}
return NULL;
}
if (flist->count > 1) {
- rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
+ rprintf(FERROR,
+ "ERROR: destination must be a directory when"
+ " copying more than 1 file\n");
exit_cleanup(RERR_FILESELECT);
}
- return name;
}
- if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/'))
- return name;
+ cp = strrchr(dest_path, '/');
- if (do_mkdir(name,0777 & ~orig_umask) != 0) {
- rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name));
- exit_cleanup(RERR_FILEIO);
- }
- if (verbose > 0)
- rprintf(FINFO, "created directory %s\n", name);
+ /* If the destination path ends in a slash or we are transferring
+ * multiple files, create a directory at the destination path,
+ * enter the new directory, and use mode 1. */
+ if (flist->count > 1 || (cp && !cp[1])) {
+ /* Lop off the final slash (if any). */
+ if (cp && !cp[1])
+ *cp = '\0';
+
+ umask(orig_umask);
+ if (do_mkdir(dest_path, 0777) != 0) {
+ rsyserr(FERROR, errno, "mkdir %s failed",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILEIO);
+ }
+ umask(0);
+
+ if (verbose)
+ rprintf(FINFO, "created directory %s\n", dest_path);
+
+ if (dry_run) {
+ /* Indicate that the destination directory doesn't
+ * really exist and return mode 1. */
+ dry_run++;
+ return NULL;
+ }
+
+ if (!push_dir(dest_path)) {
+ rsyserr(FERROR, errno, "push_dir#2 %s failed",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILESELECT);
+ }
- if (dry_run) {
- dry_run++;
return NULL;
}
- if (!push_dir(name)) {
- rsyserr(FERROR, errno, "push_dir#2 %s failed",
- full_fname(name));
+ /* Otherwise, we are writing a single file, possibly on top of an
+ * existing non-directory. Change to the item's parent directory
+ * (if it has a path component), return the basename of the
+ * destination file as the local name, and use mode 2. */
+ if (!cp)
+ return dest_path;
+
+ if (cp == dest_path)
+ dest_path = "/";
+
+ *cp = '\0';
+ if (!push_dir(dest_path)) {
+ rsyserr(FERROR, errno, "push_dir#3 %s failed",
+ full_fname(dest_path));
exit_cleanup(RERR_FILESELECT);
}
+ *cp = '/';
- return NULL;
+ return cp + 1;
}
}
-static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
+static void do_server_sender(int f_in, int f_out, int argc, char *argv[])
{
struct file_list *flist;
char *dir = argv[0];
}
}
#endif
+#if !defined HAVE_SIGACTION && !defined HAVE_SIGPROCMASK
signal(SIGCHLD, sigchld_handler);
+#endif
}
int ret;
int orig_argc = argc;
char **orig_argv = argv;
+#if defined HAVE_SIGACTION && defined HAVE_SIGPROCMASK
+ sigset_t sigmask;
- signal(SIGUSR1, sigusr1_handler);
- signal(SIGUSR2, sigusr2_handler);
- signal(SIGCHLD, sigchld_handler);
+ sigemptyset(&sigmask);
+ sigact.sa_flags = SA_NOCLDSTOP;
+#endif
+ SIGACTMASK(SIGUSR1, sigusr1_handler);
+ SIGACTMASK(SIGUSR2, sigusr2_handler);
+ SIGACTMASK(SIGCHLD, sigchld_handler);
#ifdef MAINTAINER_MODE
- signal(SIGSEGV, rsync_panic_handler);
- signal(SIGFPE, rsync_panic_handler);
- signal(SIGABRT, rsync_panic_handler);
- signal(SIGBUS, rsync_panic_handler);
-#endif /* def MAINTAINER_MODE */
+ SIGACTMASK(SIGSEGV, rsync_panic_handler);
+ SIGACTMASK(SIGFPE, rsync_panic_handler);
+ SIGACTMASK(SIGABRT, rsync_panic_handler);
+ SIGACTMASK(SIGBUS, rsync_panic_handler);
+#endif
starttime = time(NULL);
am_root = (MY_UID() == 0);
* carried across */
orig_umask = (int)umask(0);
+#if defined CONFIG_LOCALE && defined HAVE_SETLOCALE
+ setlocale(LC_CTYPE, "");
+#endif
+
if (!parse_arguments(&argc, (const char ***) &argv, 1)) {
/* FIXME: We ought to call the same error-handling
* code here, rather than relying on getopt. */
exit_cleanup(RERR_SYNTAX);
}
- signal(SIGINT,SIGNAL_CAST sig_int);
- signal(SIGHUP,SIGNAL_CAST sig_int);
- signal(SIGTERM,SIGNAL_CAST sig_int);
+ SIGACTMASK(SIGINT, sig_int);
+ SIGACTMASK(SIGHUP, sig_int);
+ SIGACTMASK(SIGTERM, sig_int);
+#if defined HAVE_SIGACTION && HAVE_SIGPROCMASK
+ sigprocmask(SIG_UNBLOCK, &sigmask, NULL);
+#endif
/* Ignore SIGPIPE; we consistently check error codes and will
* see the EPIPE. */
- signal(SIGPIPE, SIG_IGN);
-
-#if defined CONFIG_LOCALE && defined HAVE_SETLOCALE
- setlocale(LC_CTYPE, "");
-#endif
+ SIGACTION(SIGPIPE, SIG_IGN);
/* Initialize push_dir here because on some old systems getcwd
* (implemented by forking "pwd" and reading its output) doesn't