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Redo fix for CID 979581
The previous change was flawed in terms of how it calculated the buffer length for the sockaddr_un object. Use SUN_LEN where appropriate and mute the Coverity complaint by using memset(.., 0, ..) to zero out the entire structure instead of setting .sun_len to a bogus value and strlcpy'ing in the contents of argv[1]. SUN_LEN is now being passed to bind(2) as well. For some odd reason this wasn't flagged as a bug with Coverity. Reported by: jilles, jmallett MFC after: 2 days X-MFC with: r311233
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=311377
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@ -244,13 +244,15 @@ sockets_main(int argc, char **argv)
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}
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#ifdef __FreeBSD__
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addr.sun_len = sizeof(addr.sun_path);
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(void)strlcpy(addr.sun_path, argv[1], addr.sun_len);
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#else
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(void)strlcpy(addr.sun_path, argv[1], sizeof(addr.sun_path));
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memset(&addr, 0, sizeof(addr));
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#endif
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(void)strlcpy(addr.sun_path, argv[1], sizeof(addr.sun_path));
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addr.sun_family = PF_UNIX;
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#ifdef __FreeBSD__
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error = bind(fd, (struct sockaddr *)&addr, SUN_LEN(&addr));
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#else
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error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
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#endif
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if (error == -1) {
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warn("connect");
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#ifdef __FreeBSD__
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