diff options
Diffstat (limited to 'nxcomp/src/Proxy.cpp')
| -rw-r--r-- | nxcomp/src/Proxy.cpp | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/nxcomp/src/Proxy.cpp b/nxcomp/src/Proxy.cpp index 437296f60..963ae3d75 100644 --- a/nxcomp/src/Proxy.cpp +++ b/nxcomp/src/Proxy.cpp @@ -30,6 +30,7 @@ #include <cstdio> #include <unistd.h> #include <cstdlib> +#include <cstddef> #include <string.h> #include <sys/types.h> #include <sys/stat.h> @@ -6294,19 +6295,12 @@ int Proxy::handleNewGenericConnectionFromProxyUnix(int channelId, T_channel_type serverAddrUnix.sun_family = AF_UNIX; - #ifdef __linux__ - const int serverAddrNameLength = 108; - #else - /* POSIX/SUS does not specify a length. - * BSD derivatives generally support 104 bytes, other systems may be more constrained. - * If you happen to run into such systems, extend this section with the appropriate limit. - */ - const int serverAddrNameLength = 104; - #endif - - strncpy(serverAddrUnix.sun_path, path, serverAddrNameLength); + // determine the maximum number of characters that fit into struct + // sockaddr_un's sun_path member + std::size_t serverAddrNameLength = + sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path); - *(serverAddrUnix.sun_path + serverAddrNameLength - 1) = '\0'; + snprintf(serverAddrUnix.sun_path, serverAddrNameLength, "%s", path); #ifdef TEST *logofs << "Proxy: Connecting to " << label << " server " |