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From a7a96131bd2ea342f6def0e46be514baf8037ae8 Mon Sep 17 00:00:00 2001
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From: Lee Duncan <lduncan@suse.com>
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Date: Fri, 15 Dec 2017 11:18:35 -0800
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Subject: [PATCH] Skip useless strcopy, and validate CIDR length
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Remove a useless strcpy() that copies a string onto itself,
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and ensure the CIDR length "keepbits" is not negative.
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Found by Qualsys.
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---
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iscsiuio/src/unix/iscsid_ipc.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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diff --git a/iscsiuio/src/unix/iscsid_ipc.c b/iscsiuio/src/unix/iscsid_ipc.c
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index 8478f9a411a3..4e3d065667c9 100644
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--- a/iscsiuio/src/unix/iscsid_ipc.c
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+++ b/iscsiuio/src/unix/iscsid_ipc.c
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@@ -143,7 +143,7 @@ static int decode_cidr(char *in_ipaddr_str, struct iface_rec_decode *ird)
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char *tmp, *tok;
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char ipaddr_str[NI_MAXHOST];
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char str[INET6_ADDRSTRLEN];
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- int keepbits = 0;
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+ unsigned long keepbits = 0;
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struct in_addr ia;
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struct in6_addr ia6;
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@@ -156,8 +156,7 @@ static int decode_cidr(char *in_ipaddr_str, struct iface_rec_decode *ird)
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tmp = ipaddr_str;
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tok = strsep(&tmp, "/");
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LOG_INFO(PFX "in cidr: bitmask '%s' ip '%s'", tmp, tok);
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- keepbits = atoi(tmp);
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- strcpy(ipaddr_str, tok);
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+ keepbits = strtoull(tmp, NULL, 10);
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}
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/* Determine if the IP address passed from the iface file is
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--
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2.17.2
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