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common: fix potential buffer overflow

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This commit is contained in:
Eric Engestrom 2016-05-01 13:39:24 +01:00
parent f7869d815a
commit aece36cd22
1 changed files with 2 additions and 1 deletions
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3
common/ipc-client.c
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@ -32,7 +32,8 @@ int ipc_open_socket(const char *socket_path) {
sway_abort("Unable to open Unix socket"); sway_abort("Unable to open Unix socket");
} }
addr.sun_family = AF_UNIX; addr.sun_family = AF_UNIX;
strcpy(addr.sun_path, socket_path); strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path));
addr.sun_path[sizeof(addr.sun_path) - 1] = 0;
int l = sizeof(addr.sun_family) + strlen(addr.sun_path); int l = sizeof(addr.sun_family) + strlen(addr.sun_path);
if (connect(socketfd, (struct sockaddr *)&addr, l) == -1) { if (connect(socketfd, (struct sockaddr *)&addr, l) == -1) {
sway_abort("Unable to connect to %s", socket_path); sway_abort("Unable to connect to %s", socket_path);