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Fix a segfault when password is zero length.

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if useStdin and configMode == Config_Prompt, default to Config_Standard,
otherwise we might read the password input at the wrong place.
This commit is contained in:
Ian Lee 2016-10-31 14:38:56 +00:00
parent 8d7ce724c9
commit c3a7da5eff
1 changed files with 6 additions and 1 deletions
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7
encfs/FileUtils.cpp
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@ -956,7 +956,9 @@ RootPtr createV6Config(EncFS_Context *ctx,
const std::string passwordProgram = opts->passwordProgram;
bool useStdin = opts->useStdin;
bool reverseEncryption = opts->reverseEncryption;
ConfigMode configMode = opts->configMode;
ConfigMode configMode = (useStdin &&
opts->configMode == Config_Prompt) ? Config_Standard
: opts->configMode;
bool annotate = opts->annotate;
RootPtr rootInfo;
@ -1169,6 +1171,9 @@ RootPtr createV6Config(EncFS_Context *ctx,
else
userKey = config->getNewUserKey();
if (userKey == nullptr)
return rootInfo;
cipher->writeKey(volumeKey, encodedKey, userKey);
userKey.reset();