applied BSD support patch

diff --git a/config.mk b/config.mk
index 48eef1f5395abc94957965b30f17a0a5b7d2afae..0333587a18191a47cfa55a7638531c77ae2c2eb7 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -15,11 +15,14 @@ INCS = -I. -I/usr/include -I${X11INC}
 LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11
 
 # flags
-CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
+CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\" -DHAVE_SHADOW_H
 LDFLAGS = ${LIBS}
 #CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
 #LDFLAGS = -g ${LIBS}
 
+# On *BSD remove -DHAVE_SHADOW_H from CFLAGS
+# On OpenBSD remove -lcrypt from LIBS
+
 # compiler and linker
 CC = cc
 LD = ${CC}

diff --git a/slock.c b/slock.c
index 836de453a335109409f107bc39f9a4252d0e35d2..866400d3d4d401a781f01d223b0c4337d9803acb 100644 (file)
--- a/slock.c
+++ b/slock.c
@@ -2,7 +2,13 @@
  * See LICENSE file for license details.
  */
 #define _XOPEN_SOURCE
+
+#if HAVE_SHADOW_H
 #include <shadow.h>
+#else
+#include <pwd.h>
+#endif
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -17,7 +23,11 @@ main(int argc, char **argv) {
        char curs[] = {0, 0, 0, 0, 0, 0, 0, 0};
        char buf[32], passwd[256];
        int num, prev_nitem, screen;
+#if HAVE_SHADOW_H
        struct spwd *sp;
+#else
+       struct passwd *pw;
+#endif
        unsigned int i, len;
        Bool running = True;
        Cursor invisible;
@@ -33,11 +43,17 @@ main(int argc, char **argv) {
                fputs("slock-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
                exit(EXIT_SUCCESS);
        }
-       if(!(sp = getspnam(getenv("USER")))) {
+       if(geteuid() != 0) {
                fputs("slock: cannot retrieve password entry (make sure to suid slock)\n", stderr);
                exit(EXIT_FAILURE);
        }
+#if HAVE_SHADOW_H
+       sp = getspnam(getenv("USER"));
        endspent();
+#else
+       pw = getpwuid(getuid());
+       endpwent();
+#endif
        if(!(dpy = XOpenDisplay(0))) {
                fputs("slock: cannot open display\n", stderr);
                exit(EXIT_FAILURE);
@@ -87,7 +103,11 @@ main(int argc, char **argv) {
                        }
                        switch(ksym) {
                        case XK_Return:
+#if HAVE_SHADOW_H
                                if((running = strncmp(crypt(passwd, sp->sp_pwdp), sp->sp_pwdp, sizeof(passwd))))
+#else
+                               if((running = strncmp(crypt(passwd, pw->pw_passwd), pw->pw_passwd, sizeof(passwd))))
+#endif
                                        XBell(dpy, 100);
                                passwd[0] = 0;
                                break;