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git/fs: don't allow walking blobs

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This commit is contained in:
Ori Bernstein 2024-08-05 07:12:37 +00:00
parent 4c6701041e
commit f0ef1a4be0
1 changed files with 13 additions and 4 deletions
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17
sys/src/cmd/git/fs.c
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@ -72,9 +72,11 @@ char *qroot[] = {
#define Eperm "permission denied"
#define Eexist "file does not exist"
#define Enotdir "is not a directory"
#define E2long "path too long"
#define Enodir "not a directory"
#define Erepo "unable to read repo"
#define Eimpl "not implemented"
#define Egreg "wat"
#define Ebadobj "invalid object"
@ -472,7 +474,11 @@ objwalk1(Qid *q, Object *o, Crumb *p, Crumb *c, char *name, vlong qdir, Gitaux *
e = nil;
if(!o)
return Eexist;
if(o->type == GTree){
switch(o->type){
case GBlob:
e = Enotdir;
break;
case GTree:
q->type = 0;
for(i = 0; i < o->tree->nent; i++){
if(strcmp(o->tree->ent[i].name, name) != 0)
@ -495,7 +501,8 @@ objwalk1(Qid *q, Object *o, Crumb *p, Crumb *c, char *name, vlong qdir, Gitaux *
}
if(!w)
e = Eexist;
}else if(o->type == GCommit){
break;
case GCommit:
q->type = 0;
c->mtime = o->commit->mtime;
c->mode = 0644;
@ -521,8 +528,10 @@ objwalk1(Qid *q, Object *o, Crumb *p, Crumb *c, char *name, vlong qdir, Gitaux *
}
else
e = Eexist;
}else if(o->type == GTag){
e = "tag walk unimplemented";
break;
case GTag:
e = Eimpl;
break;
}
return e;
}