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fetch(3): plug some leaks

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In the successful case, sockshost is not freed prior to return.

The failure case can now be hit after fetch_reopen(), which was not true
before. Thus, we need to make sure to clean up all of the conn resources
which will also close sd. For all of the points prior to fetch_reopen(), we
continue to just close sd.

CID:		1419598, 1419616
This commit is contained in:
Kyle Evans 2020-02-21 18:21:57 +00:00
parent 43cd55db57
commit 5ac6a2c94d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=358227
1 changed files with 5 additions and 1 deletions
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6
lib/libfetch/common.c
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@ -677,6 +677,7 @@ fetch_connect(const char *host, int port, int af, int verbose)
if (sockshost)
if (!fetch_socks5_init(conn, host, port, verbose))
goto fail;
free(sockshost);
if (cais != NULL)
freeaddrinfo(cais);
if (sais != NULL)
@ -686,7 +687,10 @@ fetch_connect(const char *host, int port, int af, int verbose)
fetch_syserr();
fail:
free(sockshost);
if (sd >= 0)
/* Fully close if it was opened; otherwise just don't leak the fd. */
if (conn != NULL)
fetch_close(conn);
else if (sd >= 0)
close(sd);
if (cais != NULL)
freeaddrinfo(cais);