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wmbiff: Fix connection leak.

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Patch by Arnaud Giersch <arnaud.giersch@iut-bm.univ-fcomte.fr>.

For more information, see:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663876
This commit is contained in:
Doug Torrance 2014-11-07 21:31:17 -06:00 committed by Carlos R. Mafra
parent 0293ad1117
commit 1981a52fdf
1 changed files with 4 additions and 0 deletions
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4
wmbiff/wmbiff/socket.c
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@ -58,6 +58,8 @@ static int ipv4_sock_connect(struct in_addr *address, short port)
printf("socket() failed.\n"); printf("socket() failed.\n");
return (-1); return (-1);
}; };
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
perror("fcntl(FD_CLOEXEC)");
addr.sin_family = AF_INET; addr.sin_family = AF_INET;
addr.sin_addr.s_addr = *(u_long *) address; addr.sin_addr.s_addr = *(u_long *) address;
@ -122,6 +124,8 @@ int sock_connect(const char *hostname, int port)
fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol); fd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
if (fd < 0) if (fd < 0)
continue; continue;
if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
perror("fcntl(FD_CLOEXEC)");
if (connect(fd, res->ai_addr, res->ai_addrlen) < 0) { if (connect(fd, res->ai_addr, res->ai_addrlen) < 0) {
close(fd); close(fd);
fd = -1; fd = -1;