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Fix one byte NULL stack overflow - quark - quark web server |
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git clone git://git.suckless.org/quark |
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Log |
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Refs |
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LICENSE |
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commit d2013a6337972c62a71f01324e87af0e55579245 |
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parent 72b309bbe40444add563cdc37c0aa31386a4630d |
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Author: Aaron Burrow <[email protected]> |
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Date: Mon, 16 Jul 2018 22:46:09 +0200 |
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Fix one byte NULL stack overflow |
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Don't append a forward slash if the length of a folder is PATH_MAX-1. This can |
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happen if HEADER_MAX is larger than PATH_MAX or if the `-m` option is used to |
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increase the path length. |
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Diffstat: |
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M LICENSE | 1 + |
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M http.c | 2 +- |
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2 files changed, 2 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/LICENSE b/LICENSE |
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@@ -9,6 +9,7 @@ Copyright 2017-2018 Hiltjo Posthuma <[email protected]> |
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Copyright 2017-2018 Quentin Rameau <[email protected]> |
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Copyright 2018 Josuah Demangeon <[email protected]> |
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Copyright 2018 Dominik Schmidt <[email protected]> |
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+Copyright 2018 Aaron Burrow <[email protected]> |
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Permission to use, copy, modify, and/or distribute this software for any |
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purpose with or without fee is hereby granted, provided that the above |
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diff --git a/http.c b/http.c |
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@@ -430,7 +430,7 @@ http_send_response(int fd, struct request *r) |
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if (S_ISDIR(st.st_mode)) { |
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/* add / to target if not present */ |
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len = strlen(realtarget); |
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- if (len == PATH_MAX - 2) { |
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+ if (len >= PATH_MAX - 2) { |
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return http_send_status(fd, S_REQUEST_TOO_LARGE); |
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} |
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if (len && realtarget[len - 1] != '/') { |
