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* inet/rcmd.c (rresvport_af): Change ss to anonymous union

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in order to avoid strict alias warnings.
	(iruserok_af): Ditto for ra.
This commit is contained in:
Steve Ellcey 2015-05-19 13:09:01 -07:00
parent 265cbed8e7
commit eb286115b1
2 changed files with 31 additions and 18 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2015-05-19 Paul Eggert <eggert@cs.ucla.edu>
Steve Ellcey <sellcey@imgtec.com>
* inet/rcmd.c (rresvport_af): Change ss to anonymous union
in order to avoid strict alias warnings.
(iruserok_af): Ditto for ra.
2015-05-19 James Lemke <jwlemke@codesourcery.com>
[BZ #17581]

42
inet/rcmd.c
View File

@ -114,10 +114,10 @@ rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af)
struct addrinfo hints, *res, *ai;
union
{
struct sockaddr sa;
struct sockaddr_storage ss;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
struct sockaddr sa;
struct sockaddr_storage ss;
struct sockaddr_in sin;
struct sockaddr_in6 sin6;
} from;
struct pollfd pfd[2];
int32_t oldmask;
@ -374,7 +374,11 @@ rresvport_af(alport, family)
int *alport;
sa_family_t family;
{
struct sockaddr_storage ss;
union {
struct sockaddr generic;
struct sockaddr_in in;
struct sockaddr_in6 in6;
} ss;
int s;
size_t len;
uint16_t *sport;
@ -382,11 +386,11 @@ rresvport_af(alport, family)
switch(family){
case AF_INET:
len = sizeof(struct sockaddr_in);
sport = &((struct sockaddr_in *)&ss)->sin_port;
sport = &ss.in.sin_port;
break;
case AF_INET6:
len = sizeof(struct sockaddr_in6);
sport = &((struct sockaddr_in6 *)&ss)->sin6_port;
sport = &ss.in6.sin6_port;
break;
default:
__set_errno (EAFNOSUPPORT);
@ -398,9 +402,9 @@ rresvport_af(alport, family)
memset (&ss, '\0', sizeof(ss));
#ifdef SALEN
ss.__ss_len = len;
ss.generic.__ss_len = len;
#endif
ss.ss_family = family;
ss.generic.sa_family = family;
/* Ignore invalid values. */
if (*alport < IPPORT_RESERVED / 2)
@ -411,7 +415,7 @@ rresvport_af(alport, family)
int start = *alport;
do {
*sport = htons((uint16_t) *alport);
if (__bind(s, (struct sockaddr *)&ss, len) >= 0)
if (__bind(s, &ss.generic, len) >= 0)
return s;
if (errno != EADDRINUSE) {
(void)__close(s);
@ -604,27 +608,29 @@ iruserok_af (raddr, superuser, ruser, luser, af)
const char *ruser, *luser;
sa_family_t af;
{
struct sockaddr_storage ra;
union {
struct sockaddr generic;
struct sockaddr_in in;
struct sockaddr_in6 in6;
} ra;
size_t ralen;
memset (&ra, '\0', sizeof(ra));
switch (af){
case AF_INET:
ra.ss_family = AF_INET;
memcpy (&(((struct sockaddr_in *)&ra)->sin_addr), raddr,
sizeof(struct in_addr));
ra.in.sin_family = AF_INET;
memcpy (&ra.in.sin_addr, raddr, sizeof(struct in_addr));
ralen = sizeof(struct sockaddr_in);
break;
case AF_INET6:
ra.ss_family = AF_INET6;
memcpy (&(((struct sockaddr_in6 *)&ra)->sin6_addr), raddr,
sizeof(struct in6_addr));
ra.in6.sin6_family = AF_INET6;
memcpy (&ra.in6.sin6_addr, raddr, sizeof(struct in6_addr));
ralen = sizeof(struct sockaddr_in6);
break;
default:
return 0;
}
return ruserok_sa ((struct sockaddr *)&ra, ralen, superuser, ruser, luser);
return ruserok_sa (&ra.generic, ralen, superuser, ruser, luser);
}
libc_hidden_def (iruserok_af)