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| author | Lennart Poettering <lennart@poettering.net> | 2018-10-15 13:55:48 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2018-10-15 19:35:00 +0200 |
| commit | 057e85805c2ca7440884f457dcd30a4261fb4619 (patch) | |
| tree | 7f9d7e4d3c91469995a7c571d090b73c17304173 /src/basic/socket-util.c | |
| parent | 9ec30b27694f83442ca73d98cc149fdb151f67c4 (diff) | |
| download | systemd-057e85805c2ca7440884f457dcd30a4261fb4619.tar.gz | |
socket-address: document socket address parsing size restrictions in a comment
Diffstat (limited to 'src/basic/socket-util.c')
| -rw-r--r-- | src/basic/socket-util.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/basic/socket-util.c b/src/basic/socket-util.c index 47c2de8b6d..aa636ffd61 100644 --- a/src/basic/socket-util.c +++ b/src/basic/socket-util.c @@ -97,7 +97,9 @@ int socket_address_parse(SocketAddress *a, const char *s) { size_t l; l = strlen(s); - if (l >= sizeof(a->sockaddr.un.sun_path)) + if (l >= sizeof(a->sockaddr.un.sun_path)) /* Note that we refuse non-NUL-terminated sockets when + * parsing (the kernel itself is less strict here in what it + * accepts) */ return -EINVAL; a->sockaddr.un.sun_family = AF_UNIX; @@ -109,7 +111,11 @@ int socket_address_parse(SocketAddress *a, const char *s) { size_t l; l = strlen(s+1); - if (l >= sizeof(a->sockaddr.un.sun_path) - 1) + if (l >= sizeof(a->sockaddr.un.sun_path) - 1) /* Note that we refuse non-NUL-terminate sockets here + * when parsing, even though abstract namespace sockets + * explicitly allow embedded NUL bytes and don't consider + * them special. But it's simply annoying to debug such + * sockets. */ return -EINVAL; a->sockaddr.un.sun_family = AF_UNIX; |