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gpg: Check gpg-agent version before 2.1 migration.

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* g10/call-agent.c, g10/call-agent.h (agent_get_version): New.
* g10/migrate.c (migrate_secring): Abort migration if
agent_get_version returns not at least 2.1.0

--
GnuPG-bug-id: 1718

On the first installation of GnuPG 2.1 it is likely that an
old gpg-agent is still running in the environment. In that
case the migration would fail.

Signed-off-by: Andre Heinecke <aheinecke@intevation.de>
This commit is contained in:
Andre Heinecke 2014-09-19 19:38:13 +02:00 • committed by Werner Koch
parent 09a8f75f30
commit a6fcdbc9e0
3 changed files with 55 additions and 0 deletions
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2
g10/call-agent.h
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@ -192,6 +192,8 @@ gpg_error_t agent_delete_key (ctrl_t ctrl, const char *hexkeygrip,
/* Change the passphrase of a key. */
gpg_error_t agent_passwd (ctrl_t ctrl, const char *hexkeygrip, const char *desc,
char **cache_nonce_addr, char **passwd_nonce_addr);
/* Get the version reported by gpg-agent. */
gpg_error_t agent_get_version (ctrl_t ctrl, char **r_version);
#endif /*GNUPG_G10_CALL_AGENT_H*/