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Check of socket name length

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This commit is contained in:
Ondrej Zajicek 2008-10-26 23:55:38 +01:00
parent 52586ccdf1
commit 68fa95cfec
2 changed files with 8 additions and 0 deletions
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4
client/client.c
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@ -252,6 +252,10 @@ server_connect(void)
server_fd = socket(AF_UNIX, SOCK_STREAM, 0); server_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (server_fd < 0) if (server_fd < 0)
die("Cannot create socket: %m"); die("Cannot create socket: %m");
if (strlen(server_path) >= sizeof(sa.sun_path))
die("server_connect: path too long");
bzero(&sa, sizeof(sa)); bzero(&sa, sizeof(sa));
sa.sun_family = AF_UNIX; sa.sun_family = AF_UNIX;
strcpy(sa.sun_path, server_path); strcpy(sa.sun_path, server_path);

4
sysdep/unix/io.c
View file

@ -865,6 +865,10 @@ sk_open_unix(sock *s, char *name)
if (err = sk_setup(s)) if (err = sk_setup(s))
goto bad; goto bad;
unlink(name); unlink(name);
if (strlen(name) >= sizeof(sa.sun_path))
die("sk_open_unix: path too long");
sa.sun_family = AF_UNIX; sa.sun_family = AF_UNIX;
strcpy(sa.sun_path, name); strcpy(sa.sun_path, name);
if (bind(fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) < 0) if (bind(fd, (struct sockaddr *) &sa, SUN_LEN(&sa)) < 0)