smugfs(4): new program

src/cmd/smugfs/main.c

@@ -0,0 +1,108 @@
+#include "a.h"
+
+char *keypattern = "";
+char *sessid;
+Json *userinfo;
+int printerrors;
+
+void
+usage(void)
+{
+	fprint(2, "usage: smugfs [-k keypattern] [-m mtpt] [-s srv]\n");
+	threadexitsall("usage");
+}
+
+void
+smuglogin(void)
+{
+	Json *v;
+	char *s;
+	UserPasswd *up;
+
+	printerrors = 1;
+	up = auth_getuserpasswd(auth_getkey,
+		"proto=pass role=client server=smugmug.com "
+		"user? !password? %s", keypattern);
+	if(up == nil)
+		sysfatal("cannot get username/password: %r");
+
+	v = ncsmug("smugmug.login.withPassword",
+		"EmailAddress", up->user,
+		"Password", up->passwd,
+		nil);
+	if(v == nil)
+		sysfatal("login failed: %r");
+	
+	memset(up->user, 'X', strlen(up->user));
+	memset(up->passwd, 'X', strlen(up->passwd));
+	free(up);
+
+	sessid = jstring(jwalk(v, "Login/Session/id"));
+	if(sessid == nil)
+		sysfatal("no session id");
+	sessid = estrdup(sessid);
+	s = jstring(jwalk(v, "Login/User/NickName"));
+	if(s == nil)
+		sysfatal("no nick name");
+	if(nickindex(s) != 0)
+		sysfatal("bad nick name");
+	userinfo = jincref(jwalk(v, "Login"));
+	jclose(v);
+	printerrors = 0;
+}
+
+void
+threadmain(int argc, char **argv)
+{
+	char *mtpt, *name;
+
+	mtpt = nil;
+	name = nil;
+	ARGBEGIN{
+	case 'D':
+		chatty9p++;
+		break;
+	case 'F':
+		chattyfuse++;
+		break;
+	case 'H':
+		chattyhttp++;
+		break;
+	case 'm':
+		mtpt = EARGF(usage());
+		break;
+	case 's':
+		name = EARGF(usage());
+		break;
+	case 'k':
+		keypattern = EARGF(usage());
+		break;
+	default:
+		usage();
+	}ARGEND
+	
+	if(argc != 0)
+		usage();
+
+	if(name == nil && mtpt == nil)
+		mtpt = "/n/smug";
+	
+	/*
+	 * Check twice -- if there is an exited smugfs instance
+	 * mounted there, the first access will fail but unmount it.
+	 */
+	if(mtpt && access(mtpt, AEXIST) < 0 && access(mtpt, AEXIST) < 0)
+		sysfatal("mountpoint %s does not exist", mtpt);
+
+	fmtinstall('H', encodefmt);
+	fmtinstall('[', encodefmt);  // base-64
+	fmtinstall('J', jsonfmt);
+	fmtinstall('M', dirmodefmt);
+	fmtinstall('T', timefmt);
+	fmtinstall('U', urlencodefmt);
+
+	xinit();
+	smuglogin();
+	threadpostmountsrv(&xsrv, name, mtpt, 0);
+	threadexits(nil);
+}