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inet: Free result from getaddrinfo

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Coverity discovered paths where the result from getaddrinfo was not
freed.
This commit is contained in:
Siddhesh Poyarekar 2021-05-12 16:50:59 +05:30
parent 900962f37f
commit 7eeb05a395
2 changed files with 9 additions and 8 deletions
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1
inet/rcmd.c
View File

@ -153,6 +153,7 @@ rcmd_af (char **ahost, u_short rport, const char *locuser, const char *remuser,
free (ahostbuf);
ahostbuf = __strdup (res->ai_canonname);
if (ahostbuf == NULL) {
freeaddrinfo (res);
__fxprintf(NULL, "%s",
_("rcmd: Cannot allocate memory\n"));
return -1;

16
inet/rexec.c
View File

@ -76,13 +76,13 @@ rexec_af (char **ahost, int rport, const char *name, const char *pass,
ahostbuf = __strdup (res0->ai_canonname);
if (ahostbuf == NULL) {
perror ("rexec: strdup");
return (-1);
goto bad2;
}
*ahost = ahostbuf;
} else {
*ahost = NULL;
__set_errno (ENOENT);
return -1;
goto bad2;
}
ruserpass(res0->ai_canonname, &name, &pass);
retry:
@ -90,7 +90,7 @@ retry:
s = __socket(res0->ai_family, res0->ai_socktype, 0);
if (s < 0) {
perror("rexec: socket");
return (-1);
goto bad2;
}
if (__connect(s, res0->ai_addr, res0->ai_addrlen) < 0) {
if (errno == ECONNREFUSED && timo <= 16) {
@ -100,7 +100,7 @@ retry:
goto retry;
}
perror(res0->ai_canonname);
return (-1);
goto bad;
}
if (fd2p == 0) {
(void) __write(s, "", 1);
@ -116,10 +116,9 @@ retry:
socklen_t sa2len;
s2 = __socket(res0->ai_family, res0->ai_socktype, 0);
if (s2 < 0) {
(void) __close(s);
return (-1);
}
if (s2 < 0)
goto bad;
__listen(s2, 1);
sa2len = sizeof (sa2);
if (__getsockname(s2, &sa2.sa, &sa2len) < 0) {
@ -185,6 +184,7 @@ bad:
if (port)
(void) __close(*fd2p);
(void) __close(s);
bad2:
freeaddrinfo(res0);
return (-1);
}