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Add hook for ssl options

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External components like timescaledb_cloudutils might want to add
additional options or do additional ssl related processing. They can
do so by implementing a hook and then assigning it to a timescaledb
variable to allow timescale to invoke it as appropriate.
This commit is contained in:
Nikhil Sontakke 2022-10-04 15:55:54 +05:30 committed by Nikhil
parent d218715d5c
commit f55aaf06dd
3 changed files with 19 additions and 0 deletions
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10
src/guc.c
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@ -111,6 +111,16 @@ bool ts_shutdown_bgw = false;
char *ts_current_timestamp_mock = ""; char *ts_current_timestamp_mock = "";
#endif #endif
/* Hook for plugins to allow additional SSL options */
set_ssl_options_hook_type ts_set_ssl_options_hook = NULL;
/* Assign the hook to the passed in function argument */
void
ts_assign_ssl_options_hook(void *fn)
{
ts_set_ssl_options_hook = (set_ssl_options_hook_type) fn;
}
static void static void
assign_max_cached_chunks_per_hypertable_hook(int newval, void *extra) assign_max_cached_chunks_per_hypertable_hook(int newval, void *extra)
{ {

5
src/guc.h
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@ -75,6 +75,10 @@ typedef enum DistCopyTransferFormat
extern TSDLLEXPORT DistCopyTransferFormat ts_guc_dist_copy_transfer_format; extern TSDLLEXPORT DistCopyTransferFormat ts_guc_dist_copy_transfer_format;
/* Hook for plugins to allow additional SSL options */
typedef void (*set_ssl_options_hook_type)(const char *user_name);
extern TSDLLEXPORT set_ssl_options_hook_type ts_set_ssl_options_hook;
#ifdef TS_DEBUG #ifdef TS_DEBUG
extern bool ts_shutdown_bgw; extern bool ts_shutdown_bgw;
extern char *ts_current_timestamp_mock; extern char *ts_current_timestamp_mock;
@ -84,5 +88,6 @@ extern char *ts_current_timestamp_mock;
void _guc_init(void); void _guc_init(void);
void _guc_fini(void); void _guc_fini(void);
extern TSDLLEXPORT void ts_assign_ssl_options_hook(void *fn);
#endif /* TIMESCALEDB_GUC_H */ #endif /* TIMESCALEDB_GUC_H */

4
tsl/src/remote/connection.c
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@ -1270,6 +1270,10 @@ set_ssl_options(const char *user_name, const char **keywords, const char **value
values[option_pos] = make_user_path(user_name, PATH_KIND_KEY)->data; values[option_pos] = make_user_path(user_name, PATH_KIND_KEY)->data;
option_pos++; option_pos++;
/* if ts_set_ssl_options_hook is enabled then invoke that hook */
if (ts_set_ssl_options_hook)
ts_set_ssl_options_hook(user_name);
*option_start = option_pos; *option_start = option_pos;
} }