From 874895d51a4b65e39762f06eea84b7d4a7755a3f Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Wed, 13 May 1998 15:44:04 +0000
Subject: [PATCH] added globbing support in the rsync daemon. This will allow
 you to specify wildcards when grabbing files from a anon rsync daemon.

---
 clientserver.c | 32 +++++++++++++++++++++++++-------
 configure.in   |  2 +-
 main.c         | 24 ------------------------
 rsync.h        |  6 +++++-
 util.c         | 28 ++++++++++++++++++++++++++++
 5 files changed, 59 insertions(+), 33 deletions(-)

diff --git a/clientserver.c b/clientserver.c
index 68d631ed..8a0ef15d 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -109,19 +109,21 @@ static int rsync_module(int fd, int i)
 	char *addr = client_addr(fd);
 	char *host = client_name(fd);
 	char *auth;
+	char *name = lp_name(i);
+	int start_glob=0;
 
 	if (!allow_access(addr, host, lp_hosts_allow(i), lp_hosts_deny(i))) {
 		rprintf(FERROR,"rsync denied on module %s from %s (%s)\n",
-			lp_name(i), client_name(fd), client_addr(fd));
+			name, client_name(fd), client_addr(fd));
 		io_printf(fd,"@ERROR: access denied to %s from %s (%s)\n",
-			  lp_name(i), client_name(fd), client_addr(fd));
+			  name, client_name(fd), client_addr(fd));
 		return -1;
 	}
 
 	if (!auth_server(fd, i, addr, "@RSYNCD: AUTHREQD ")) {
 		rprintf(FERROR,"auth failed on module %s from %s (%s)\n",
-			lp_name(i), client_name(fd), client_addr(fd));
-		io_printf(fd,"@ERROR: auth failed on module %s\n",lp_name(i));
+			name, client_name(fd), client_addr(fd));
+		io_printf(fd,"@ERROR: auth failed on module %s\n",name);
 		return -1;		
 	}
 
@@ -133,7 +135,7 @@ static int rsync_module(int fd, int i)
 	}
 
 	rprintf(FINFO,"rsync on module %s from %s (%s)\n",
-		lp_name(i), host, addr);
+		name, host, addr);
 	
 	module_id = i;
 
@@ -191,12 +193,28 @@ static int rsync_module(int fd, int i)
 
 		if (!*line) break;
 
-		argv[argc] = strdup(line);
+		p = line;
+
+		if (start_glob && strncmp(p, name, strlen(name)) == 0) {
+			p += strlen(name);
+			if (!*p) p = ".";
+		}
+
+		argv[argc] = strdup(p);
 		if (!argv[argc]) {
 			return -1;
 		}
 
-		argc++;
+		if (start_glob) {
+			glob_expand(argv, &argc, MAX_ARGS);
+		} else {
+			argc++;
+		}
+
+		if (strcmp(line,".") == 0) {
+			start_glob = 1;
+		}
+
 		if (argc == MAX_ARGS) {
 			return -1;
 		}
diff --git a/configure.in b/configure.in
index ae750e6d..fdf417e1 100644
--- a/configure.in
+++ b/configure.in
@@ -42,7 +42,7 @@ AC_FUNC_MMAP
 AC_FUNC_UTIME_NULL
 AC_CHECK_FUNCS(waitpid strtok pipe getcwd mkdir strdup strerror chown chmod mknod)
 AC_CHECK_FUNCS(fchmod fstat strchr bcopy bzero readlink link utime utimes)
-AC_CHECK_FUNCS(memmove getopt_long lchown setlinebuf vsnprintf setsid)
+AC_CHECK_FUNCS(memmove getopt_long lchown setlinebuf vsnprintf setsid glob)
 
 echo $ac_n "checking for working fnmatch... $ac_c"
 AC_TRY_RUN([#include <fnmatch.h>
diff --git a/main.c b/main.c
index b4c514fd..401955eb 100644
--- a/main.c
+++ b/main.c
@@ -204,18 +204,6 @@ static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
 			argv[i] += l+1;
 	}
 
-	if (am_daemon) {
-		extern int module_id;
-		char *name = lp_name(module_id);
-		int l = strlen(name);
-		for (i=0;i<argc;i++) {
-			if (strncmp(argv[i], name, l) == 0) {
-				argv[i] += l;
-				if (!*argv[i]) argv[i] = ".";
-			}
-		}
-	}
-	
 	if (argc == 0 && recurse) {
 		argc=1;
 		argv--;
@@ -272,18 +260,6 @@ static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
 	if (verbose > 2)
 		rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
 	
-	if (am_daemon) {
-		extern int module_id;
-		char *name = lp_name(module_id);
-		int i, l = strlen(name);
-		for (i=0;i<argc;i++) {
-			if (strncmp(argv[i], name, l) == 0) {
-				argv[i] += l;
-				if (!*argv[i]) argv[i] = ".";
-			}
-		}
-	}
-
 	if (argc > 0) {
 		dir = argv[0];
 		argc--;
diff --git a/rsync.h b/rsync.h
index bbfe689c..13116707 100644
--- a/rsync.h
+++ b/rsync.h
@@ -52,7 +52,7 @@
 #define CHUNK_SIZE (32*1024)
 #define MAX_MAP_SIZE (4*1024*1024)
 
-#define MAX_ARGS 100
+#define MAX_ARGS 1000
 
 #define BLOCKING_TIMEOUT 10
 
@@ -170,6 +170,10 @@
 #include "lib/getopt.h"
 #endif
 
+#ifdef HAVE_GLOB
+#include <glob.h>
+#endif
+
 /* these are needed for the uid/gid mapping code */
 #include <pwd.h>
 #include <grp.h>
diff --git a/util.c b/util.c
index 7d15a8a6..8546e4a7 100644
--- a/util.c
+++ b/util.c
@@ -504,3 +504,31 @@ int lock_range(int fd, int offset, int len)
 	
 	return fcntl(fd,F_SETLK,&lock) == 0;
 }
+
+
+void glob_expand(char **argv, int *argc, int maxargs)
+{
+#ifndef HAVE_GLOB
+	(*argc)++;
+	return;
+#else
+	glob_t globbuf;
+	int i;
+
+	rprintf(FINFO,"glob(%s) -> %d\n", argv[*argc], globbuf.gl_pathc);
+	memset(&globbuf, 0, sizeof(globbuf));
+	glob(argv[*argc], 0, NULL, &globbuf);
+	if (globbuf.gl_pathc == 0) {
+		(*argc)++;
+		globfree(&globbuf);
+		return;
+	}
+	for (i=0; i<(maxargs - (*argc)) && i<globbuf.gl_pathc;i++) {
+		if (i == 0) free(argv[*argc]);
+		argv[(*argc) + i] = strdup(globbuf.gl_pathv[i]);
+		if (!argv[(*argc) + i]) out_of_memory("glob_expand");
+	}
+	globfree(&globbuf);
+	(*argc) += i;
+#endif
+}
-- 
2.34.1