From 4d7214cbc5dcc8e9635f99c13367dea37eddda0f Mon Sep 17 00:00:00 2001
From: Guy Harris <guy@alum.mit.edu>
Date: Tue, 21 Sep 2010 02:46:53 -0700
Subject: [PATCH] Treat either EPERM or EACCES as "no soup for you".

---
 pcap-dlpi.c    | 7 ++++---
 pcap-libdlpi.c | 6 ++++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/pcap-dlpi.c b/pcap-dlpi.c
index ec2f32d..f7eb507 100644
--- a/pcap-dlpi.c
+++ b/pcap-dlpi.c
@@ -449,7 +449,7 @@ pcap_activate_dlpi(pcap_t *p)
 	/* Try device without unit number */
 	if ((p->fd = open(dname, O_RDWR)) < 0) {
 		if (errno != ENOENT) {
-			if (errno == EACCES)
+			if (errno == EPERM || errno == EACCES)
 				status = PCAP_ERROR_PERM_DENIED;
 			snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "%s: %s", dname,
 			    pcap_strerror(errno));
@@ -485,7 +485,7 @@ pcap_activate_dlpi(pcap_t *p)
 				snprintf(p->errbuf, PCAP_ERRBUF_SIZE,
 				    "%s: No DLPI device found", p->opt.source);
 			} else {
-				if (errno == EACCES)
+				if (errno == EPERM || errno == EACCES)
 					status = PCAP_ERROR_PERM_DENIED;
 				snprintf(p->errbuf, PCAP_ERRBUF_SIZE, "%s: %s",
 				    dname2, pcap_strerror(errno));
@@ -1018,7 +1018,8 @@ recv_ack(int fd, int size, const char *what, char *bufp, char *ebuf, int *uerror
 			snprintf(ebuf, PCAP_ERRBUF_SIZE,
 			    "recv_ack: %s: UNIX error - %s",
 			    what, pcap_strerror(dlp->error_ack.dl_unix_errno));
-			if (dlp->error_ack.dl_unix_errno == EACCES)
+			if (dlp->error_ack.dl_unix_errno == EPERM ||
+			    dlp->error_ack.dl_unix_errno == EACCES)
 				return (PCAP_ERROR_PERM_DENIED);
 			break;
 
diff --git a/pcap-libdlpi.c b/pcap-libdlpi.c
index 56dadc4..8d6a038 100644
--- a/pcap-libdlpi.c
+++ b/pcap-libdlpi.c
@@ -115,7 +115,8 @@ pcap_activate_libdlpi(pcap_t *p)
 	if (retv != DLPI_SUCCESS) {
 		if (retv == DLPI_ELINKNAMEINVAL || retv == DLPI_ENOLINK)
 			err = PCAP_ERROR_NO_SUCH_DEVICE;
-		else if (retv == DL_SYSERR && errno == EACCES)
+		else if (retv == DL_SYSERR &&
+		    (errno == EPERM || errno == EACCES))
 			err = PCAP_ERROR_PERM_DENIED;
 		pcap_libdlpi_err(p->opt.source, "dlpi_open", retv,
 		    p->errbuf);
@@ -238,7 +239,8 @@ dlpromiscon(pcap_t *p, bpf_u_int32 level)
 
 	retv = dlpi_promiscon(p->hd, level);
 	if (retv != DLPI_SUCCESS) {
-		if (retv == DL_SYSERR && errno == EACCES)
+		if (retv == DL_SYSERR &&
+		    (errno == EPERM || errno == EACCES))
 			err = PCAP_ERROR_PERM_DENIED;
 		else
 			err = PCAP_ERROR;