From: Luke Howard <lukeh@openldap.org>
Date: Thu, 3 Feb 2005 09:36:25 +0000 (+0000)
Subject: ITS#3439 (NetBSD support for getpeereid())
X-Git-Tag: OPENLDAP_REL_ENG_2_3_BP~193
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=fd0b7e75b1e4c451f146c8202c2a76f0266dd770;p=openldap

ITS#3439 (NetBSD support for getpeereid())
---

diff --git a/libraries/liblutil/getpeereid.c b/libraries/liblutil/getpeereid.c
index 1bbe4aa9fb..0b054a2b95 100644
--- a/libraries/liblutil/getpeereid.c
+++ b/libraries/liblutil/getpeereid.c
@@ -40,6 +40,9 @@
 #include <sys/stat.h>
 #endif
 
+#include <stdlib.h>
+
+
 int getpeereid( int s, uid_t *euid, gid_t *egid )
 {
 #ifdef LDAP_PF_LOCAL
@@ -95,6 +98,49 @@ int getpeereid( int s, uid_t *euid, gid_t *egid )
 			return 0;
 		}
 	}
+#elif defined(SOCKCREDSIZE)
+        struct msghdr msg;
+        socklen_t crmsgsize;
+        void *crmsg;
+        struct cmsghdr *cmp;
+        struct sockcred *sc;
+
+	memset(&msg, 0, sizeof msg);
+	crmsgsize = CMSG_SPACE(SOCKCREDSIZE(NGROUPS));
+	if (crmsgsize == 0)
+	    goto sc_err;
+	crmsg = malloc(crmsgsize);
+	if (crmsg == NULL)
+	    goto sc_err;
+	memset(crmsg, 0, crmsgsize);
+	
+	msg.msg_control = crmsg;
+	msg.msg_controllen = crmsgsize;
+	
+	if (recvmsg(s, &msg, 0) < 0) {
+	    free(crmsg);
+	    goto sc_err;
+	}	
+
+	if (msg.msg_controllen == 0 || (msg.msg_flags & MSG_CTRUNC) != 0) {
+	    free(crmsg);
+	    goto sc_err;
+	}	
+	
+	cmp = CMSG_FIRSTHDR(&msg);
+	if (cmp->cmsg_level != SOL_SOCKET || cmp->cmsg_type != SCM_CREDS) {
+	    printf("nocreds\n");
+	    goto sc_err;
+	}	
+	
+	sc = (struct sockcred *)(void *)CMSG_DATA(cmp);
+	
+	*euid = sc->sc_euid;
+	*egid = sc->sc_egid;
+
+	free(crmsg);
+	return 0;
+ sc_err:	
 #endif
 #endif /* LDAP_PF_LOCAL */
 
diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c
index 147400ee84..3438fe1df6 100644
--- a/servers/slapd/daemon.c
+++ b/servers/slapd/daemon.c
@@ -978,8 +978,14 @@ static int slap_open_listener(
 #endif
 #ifdef LDAP_PF_LOCAL
 		case AF_LOCAL:
-			addrlen = sizeof(struct sockaddr_un);
-			break;
+#ifdef LOCAL_CREDS
+		{
+		    int one = 1;
+		    setsockopt(l.sl_sd, 0, LOCAL_CREDS, &one, sizeof one);
+		}
+#endif
+		addrlen = sizeof(struct sockaddr_un);
+		break;
 #endif
 		}