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author | cypherpunks <cypherpunks@torproject.org> | 2020-02-08 20:20:54 +0000 |
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committer | cypherpunks <cypherpunks@torproject.org> | 2020-02-09 01:24:47 +0000 |
commit | b3affc23ef263a978b89e783f55ad3e37c873b9a (patch) | |
tree | f7afe87cef9a8e5d81ef58205cdb51cb0053bd15 /src/feature/dirparse | |
parent | 5d330997f690845fadbd71f71f26a2ea464cd1ab (diff) | |
download | tor-b3affc23ef263a978b89e783f55ad3e37c873b9a.tar.gz tor-b3affc23ef263a978b89e783f55ad3e37c873b9a.zip |
dirparse: reject routerstatus entries with malformed protover
Contrary to its name, protover_contains_long_protocol_names()
detects all parse errors, not just long names.
Diffstat (limited to 'src/feature/dirparse')
-rw-r--r-- | src/feature/dirparse/ns_parse.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/feature/dirparse/ns_parse.c b/src/feature/dirparse/ns_parse.c index 7cb92ebe59..2354ebf440 100644 --- a/src/feature/dirparse/ns_parse.c +++ b/src/feature/dirparse/ns_parse.c @@ -13,6 +13,7 @@ #include "core/or/or.h" #include "app/config/config.h" +#include "core/or/protover.h" #include "core/or/versions.h" #include "feature/client/entrynodes.h" #include "feature/dirauth/dirvote.h" @@ -451,6 +452,10 @@ routerstatus_parse_entry_from_string(memarea_t *area, } } + // If the protover line is malformed, reject this routerstatus. + if (protocols && protover_contains_long_protocol_names(protocols)) { + goto err; + } summarize_protover_flags(&rs->pv, protocols, version); } |