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Fix a log-uninitialized-buffer bug.
Fix for 5647; bugfix on 0.2.1.5-alpha.
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changes/bug5647
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4
changes/bug5647
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@ -0,0 +1,4 @@
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o Major bugfixes:
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- Avoid logging uninitialized data when unable to decode a hidden
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service descriptor cookie. Fixes bug 5647; bugfix on 0.2.1.5-alpha.
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@ -5056,7 +5056,6 @@ rend_parse_client_keys(strmap_t *parsed_clients, const char *ckstr)
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while (!strcmpstart(current_entry, "client-name ")) {
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rend_authorized_client_t *parsed_entry;
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size_t len;
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char descriptor_cookie_base64[REND_DESC_COOKIE_LEN_BASE64+2+1];
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char descriptor_cookie_tmp[REND_DESC_COOKIE_LEN+2];
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/* Determine end of string. */
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const char *eos = strstr(current_entry, "\nclient-name ");
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@ -5125,7 +5124,7 @@ rend_parse_client_keys(strmap_t *parsed_clients, const char *ckstr)
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tok->args[0], REND_DESC_COOKIE_LEN_BASE64+2+1)
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!= REND_DESC_COOKIE_LEN)) {
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log_warn(LD_REND, "Descriptor cookie contains illegal characters: "
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"%s", descriptor_cookie_base64);
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"%s", escaped(tok->args[0]));
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goto err;
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}
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memcpy(parsed_entry->descriptor_cookie, descriptor_cookie_tmp,
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