56 lines
1.8 KiB
Diff
56 lines
1.8 KiB
Diff
commit 4b5bd85481a45957122357feebfcd514550fc219
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Author: Frank Sorenson <sorenson@redhat.com>
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Date: Wed Dec 16 10:12:38 2015 -0500
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mountd: fix netgroup lookup for short hostnames
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Commit 9a92ef6f to add netgroup lookup of resolvable
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IP addresses inadvertently broke the netgroup
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check for short hostnames.
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This patch fixes that breakage by changing the IP address
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lookup to use a separate variable.
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Signed-off-by: Frank Sorenson <sorenson@redhat.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff --git a/support/export/client.c b/support/export/client.c
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index af9e6bb..2346f99 100644
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--- a/support/export/client.c
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+++ b/support/export/client.c
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@@ -639,7 +639,7 @@ check_netgroup(const nfs_client *clp, const struct addrinfo *ai)
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const char *netgroup = clp->m_hostname + 1;
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struct addrinfo *tmp = NULL;
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struct hostent *hp;
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- char *dot, *hname;
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+ char *dot, *hname, *ip;
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int i, match;
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match = 0;
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@@ -687,19 +687,16 @@ check_netgroup(const nfs_client *clp, const struct addrinfo *ai)
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}
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/* check whether the IP itself is in the netgroup */
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- for (tmp = (struct addrinfo *)ai ; tmp != NULL ; tmp = tmp->ai_next) {
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- free(hname);
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- hname = calloc(INET6_ADDRSTRLEN, 1);
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-
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- if (inet_ntop(tmp->ai_family, &(((struct sockaddr_in *)tmp->ai_addr)->sin_addr), hname, INET6_ADDRSTRLEN) != hname) {
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- xlog(D_GENERAL, " %s: unable to inet_ntop addrinfo %p: %m", __func__, tmp, errno);
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- goto out;
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- }
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- if (innetgr(netgroup, hname, NULL, NULL)) {
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+ ip = calloc(INET6_ADDRSTRLEN, 1);
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+ if (inet_ntop(ai->ai_family, &(((struct sockaddr_in *)ai->ai_addr)->sin_addr), ip, INET6_ADDRSTRLEN) == ip) {
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+ if (innetgr(netgroup, ip, NULL, NULL)) {
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+ free(hname);
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+ hname = ip;
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match = 1;
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goto out;
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}
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}
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+ free(ip);
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/* Okay, strip off the domain (if we have one) */
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dot = strchr(hname, '.');
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