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Allow ssl_passphrase_command to prompt the terminal

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Previously the command could not access the terminal for a passphrase.

Backpatch-through: master
This commit is contained in:
Bruce Momjian
2020-12-25 20:41:06 -05:00
parent 62afb42a7f
commit 300e430c76
4 changed files with 38 additions and 19 deletions
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14
src/backend/libpq/be-secure-common.c
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@ -22,6 +22,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include "postmaster/postmaster.h"
#include "common/string.h"
#include "libpq/libpq.h"
#include "storage/fd.h"
@ -61,6 +62,19 @@ run_ssl_passphrase_command(const char *prompt, bool is_server_start, char *buf,
appendStringInfoString(&command, prompt);
p++;
break;
case 'R':
{
char fd_str[20];
if (terminal_fd == -1)
ereport(ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("ssl_passphrase_command referenced %%R, but -R not specified")));
p++;
snprintf(fd_str, sizeof(fd_str), "%d", terminal_fd);
appendStringInfoString(&command, fd_str);
break;
}
case '%':
appendStringInfoChar(&command, '%');
p++;