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authorJohn Keeping <john@keeping.me.uk>2017-02-19 12:17:05 +0000
committerLukas Fleischer <lfleischer@lfos.de>2017-08-10 15:15:57 +0200
commitc0d2423f07099366815856500faec3a69db1701a (patch)
tree6b63a3b2f28a1d3f7a7039c47bed246c24a87362
parentui-shared: don't print path crumbs without a repo (diff)
downloadcgit-c0d2423f07099366815856500faec3a69db1701a.tar.xz
cgit-c0d2423f07099366815856500faec3a69db1701a.zip
parsing: clear query path before starting
By specifying the "url" query parameter multiple times it is possible to end up with ctx.qry.vpath set while ctx.repo is null, which triggers an invalid code path from cgit_print_pageheader() while printing path crumbs, resulting in a null dereference. The previous patch fixed this segfault, but it makes no sense for us to clear ctx.repo while leaving ctx.qry.path set to the previous value, so let's just clear it here so that the last "url" parameter given takes full effect rather than partially overriding the effect of the previous value. Signed-off-by: John Keeping <john@keeping.me.uk>
-rw-r--r--parsing.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/parsing.c b/parsing.c
index 9dacb16..b8d7f10 100644
--- a/parsing.c
+++ b/parsing.c
@@ -21,6 +21,7 @@ void cgit_parse_url(const char *url)
struct cgit_repo *repo;
ctx.repo = NULL;
+ ctx.qry.page = NULL;
if (!url || url[0] == '\0')
return;
@@ -53,7 +54,6 @@ void cgit_parse_url(const char *url)
}
if (cmd[1])
ctx.qry.page = xstrdup(cmd + 1);
- return;
}
}