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createUnixDomainSocket(): Fix off-by-one error in copying the socket path

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Reported by Kane York.
This commit is contained in:
Eelco Dolstra 2020-07-24 11:19:17 +02:00
parent 26fcab53e0
commit 2292814049
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GPG key ID: 8170B4726D7198DE
1 changed files with 1 additions and 1 deletions
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2
src/libutil/util.cc
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@ -1581,7 +1581,7 @@ AutoCloseFD createUnixDomainSocket(const Path & path, mode_t mode)
struct sockaddr_un addr; struct sockaddr_un addr;
addr.sun_family = AF_UNIX; addr.sun_family = AF_UNIX;
if (path.size() >= sizeof(addr.sun_path)) if (path.size() + 1 >= sizeof(addr.sun_path))
throw Error("socket path '%1%' is too long", path); throw Error("socket path '%1%' is too long", path);
strcpy(addr.sun_path, path.c_str()); strcpy(addr.sun_path, path.c_str());