Makefile: prepare Cygwin based distro

.gitignore

@@ -0,0 +1 @@
+.build

Makefile

@@ -0,0 +1,53 @@
+PrjDir = $(shell pwd)
+BldDir = .build
+SrcDir = $(BldDir)/src
+RootDir = $(BldDir)/root
+Status = $(BldDir)/status
+BinExtra = ssh #bash ls mount
+
+goal: $(Status) $(Status)/done
+
+$(Status):
+	mkdir -p $(Status)
+
+$(Status)/done: $(Status)/run-sshfs
+	touch $(Status)/done
+
+$(Status)/run-sshfs: $(Status)/root run-sshfs.c
+	gcc -o $(RootDir)/bin/run-sshfs run-sshfs.c
+	strip $(RootDir)/bin/run-sshfs
+	touch $(Status)/run-sshfs
+
+$(Status)/root: $(Status)/make
+	mkdir -p $(RootDir)/bin $(RootDir)/dev/{mqueue,shm}
+	(ldd $(SrcDir)/sshfs/sshfs; for f in $(BinExtra); do ldd /usr/bin/$$f; done) |\
+		sed -n 's@^.*/usr/bin/\([^ ]*\).*$$@\1@p' |\
+		while read f; do cp /usr/bin/$$f $(RootDir)/bin; done
+	cp $(SrcDir)/sshfs/sshfs $(RootDir)/bin
+	strip $(RootDir)/bin/sshfs
+	for f in $(BinExtra); do cp /usr/bin/$$f $(RootDir)/bin; done
+	touch $(Status)/root
+
+$(Status)/make: $(Status)/config
+	cd $(SrcDir)/sshfs && make
+	touch $(Status)/make
+
+$(Status)/config: $(Status)/reconf
+	cd $(SrcDir)/sshfs && ./configure
+	touch $(Status)/config
+
+$(Status)/reconf: $(Status)/patch
+	cd $(SrcDir)/sshfs && autoreconf -i
+	touch $(Status)/reconf
+
+$(Status)/patch: $(Status)/clone
+	cd $(SrcDir)/sshfs && for f in $(PrjDir)/patches/*.patch; do patch -p1 <$$f; done
+	touch $(Status)/patch
+
+$(Status)/clone:
+	mkdir -p $(SrcDir)
+	git clone $(PrjDir)/sshfs $(SrcDir)/sshfs
+	touch $(Status)/clone
+
+clean:
+	git clean -dffx

patches/01-passwd.patch

@@ -0,0 +1,32 @@
+diff --git a/sshfs.c b/sshfs.c
+index 3186867..63181e3 100644
+--- a/sshfs.c
++++ b/sshfs.c
+@@ -271,7 +271,7 @@ struct sshfs {
+ 	unsigned outstanding_len;
+ 	unsigned max_outstanding_len;
+ 	pthread_cond_t outstanding_cond;
+-	int password_stdin;
++	int password_stdin, password_stdout;
+ 	char *password;
+ 	int ext_posix_rename;
+ 	int ext_statvfs;
+@@ -389,6 +389,7 @@ static struct fuse_opt sshfs_opts[] = {
+ 	SSHFS_OPT("follow_symlinks",   follow_symlinks, 1),
+ 	SSHFS_OPT("no_check_root",     no_check_root, 1),
+ 	SSHFS_OPT("password_stdin",    password_stdin, 1),
++	SSHFS_OPT("password_stdout",   password_stdout, 1),
+ 	SSHFS_OPT("delay_connect",     delay_connect, 1),
+ 	SSHFS_OPT("slave",             slave, 1),
+ 	SSHFS_OPT("disable_hardlink",  disable_hardlink, 1),
+@@ -1612,6 +1613,10 @@ static int sftp_init()
+ 
+ out:
+ 	buf_free(&buf);
++
++	if (sshfs.password_stdout)
++		puts(0 == res ? "OK" : "KO");
++
+ 	return res;
+ }
+ 

run-config

@@ -1,11 +0,0 @@
-#!/bin/bash
-
-cd $(dirname "$0")/sshfs
-
-[ -f ./configure ] || {
-	ln -s "$(regtool -W get /HKLM/Software/WinFsp/InstallDir)" winfsp
-	patch -p1 < ../sshfs.patch
-	autoreconf -i
-}
-
-PKG_CONFIG_PATH=$(pwd)/winfsp/lib ./configure

run-sshfs.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <unistd.h>
+
+#define SSHFS_ARGS                      \
+    "-f",                               \
+    "-opassword_stdin",                 \
+    "-opassword_stdout",                \
+    "-oUserKnownHostsFile=/dev/null",   \
+    "-oStrictHostKeyChecking=no"
+
+int main(int argc, char *argv[])
+{
+    static const char *sshfs = "/bin/sshfs.exe";
+    static const char *environ[] =
+    {
+        "PATH=/bin",
+    };
+    char idmap[64], volpfx[256], remote[256], *p, *q;
+
+    if (3 != argc)
+        return 2;
+
+    snprintf(idmap, sizeof idmap, "-ouid=%d,gid=%d", -1, -1);
+
+    snprintf(volpfx, sizeof volpfx, "--VolumePrefix=%s", argv[1]);
+
+    p = argv[1];
+    while ('\\' == *p)
+        p++;
+    while (*p && '\\' != *p)
+        p++;
+    while ('\\' == *p)
+        p++;
+    q = p;
+    while (*q && '\\' != *q)
+        q++;
+    snprintf(remote, sizeof remote, "%.*s:%s", q - p, p, *q ? q + 1 : q);
+    p = remote;
+    while (*p)
+    {
+        if ('\\' == *p)
+            *p = '/';
+        p++;
+    }
+
+    execle(sshfs, sshfs, SSHFS_ARGS, idmap, volpfx, remote, argv[2], (void *)0, environ);
+
+    return 1;
+}