dwm

dynamic window manager
git clone https://git.parazyd.org/dwm
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commit b8bccb4ac5222a01ecd6a5f82997ea2ee3b84b8b
parent b6b2f584ecc0510acdf7e1df46ad397cff168335
Author: Anselm R. Garbe <arg@suckless.org>
Date:   Thu, 10 May 2007 13:47:44 +0200

fixed a potential security flaw
Diffstat:
Mclient.c | 8+++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/client.c b/client.c @@ -365,16 +365,18 @@ updatetitle(Client *c) { XGetWMName(dpy, c->win, &name); if(!name.nitems) return; - if(name.encoding == XA_STRING) - strncpy(c->name, (char *)name.value, sizeof c->name); + if(name.encoding == XA_STRING) { + strncpy(c->name, (char *)name.value, sizeof c->name - 1); + } else { if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) { - strncpy(c->name, *list, sizeof c->name); + strncpy(c->name, *list, sizeof c->name - 1); XFreeStringList(list); } } + c->name[sizeof c->name - 1] = '\0'; XFree(name.value); }