fixed a potential security flaw
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parent
b6b2f584ec
commit
b8bccb4ac5
8
client.c
8
client.c
@ -365,16 +365,18 @@ updatetitle(Client *c) {
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XGetWMName(dpy, c->win, &name);
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if(!name.nitems)
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return;
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if(name.encoding == XA_STRING)
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strncpy(c->name, (char *)name.value, sizeof c->name);
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if(name.encoding == XA_STRING) {
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strncpy(c->name, (char *)name.value, sizeof c->name - 1);
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}
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else {
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if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
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&& n > 0 && *list)
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{
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strncpy(c->name, *list, sizeof c->name);
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strncpy(c->name, *list, sizeof c->name - 1);
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XFreeStringList(list);
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}
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}
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c->name[sizeof c->name - 1] = '\0';
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XFree(name.value);
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}
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