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Re-allow SSL passphrase prompt at server start, but not thereafter.

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Leave OpenSSL's default passphrase collection callback in place during
the first call of secure_initialize() in server startup.  Although that
doesn't work terribly well in daemon contexts, some people feel we should
not break it for anyone who was successfully using it before.  We still
block passphrase demands during SIGHUP, meaning that you can't adjust SSL
configuration on-the-fly if you used a passphrase, but this is no worse
than what it was before commit de41869b6.  And we block passphrase demands
during EXEC_BACKEND reloads; that behavior wasn't useful either, but at
least now it's documented.

Tweak some related log messages for more readability, and avoid issuing
essentially duplicate messages about reload failure caused by a passphrase.

Discussion: https://postgr.es/m/29982.1483412575@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2017-01-04 12:43:52 -05:00
parent 0fad355bec
commit 6667d9a6d7
6 changed files with 72 additions and 53 deletions
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2
src/include/libpq/libpq-be.h
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@@ -199,7 +199,7 @@ typedef struct Port
* These functions are implemented by the glue code specific to each
* SSL implementation (e.g. be-secure-openssl.c)
*/
extern int be_tls_init(bool failOnError);
extern int be_tls_init(bool isServerStart);
extern void be_tls_destroy(void);
extern int be_tls_open_server(Port *port);
extern void be_tls_close(Port *port);

2
src/include/libpq/libpq.h
View File

@@ -81,7 +81,7 @@ extern char *ssl_key_file;
extern char *ssl_ca_file;
extern char *ssl_crl_file;
extern int secure_initialize(bool failOnError);
extern int secure_initialize(bool isServerStart);
extern bool secure_loaded_verify_locations(void);
extern void secure_destroy(void);
extern int secure_open_server(Port *port);