Historically a lot of SSL global settings were stored into the global
struct, but we've reached a point where there are 3 ifdefs in it just
for this, and others in haproxy.c to initialize it.
This patch moves all the private fields to a new struct "global_ssl"
stored in ssl_sock.c. This includes :
char *crt_base;
char *ca_base;
char *listen_default_ciphers;
char *connect_default_ciphers;
int listen_default_ssloptions;
int connect_default_ssloptions;
int tune.sslprivatecache; /* Force to use a private session cache even if nbproc > 1 */
unsigned int tune.ssllifetime; /* SSL session lifetime in seconds */
unsigned int tune.ssl_max_record; /* SSL max record size */
unsigned int tune.ssl_default_dh_param; /* SSL maximum DH parameter size */
int tune.ssl_ctx_cache; /* max number of entries in the ssl_ctx cache. */
The "tune" part was removed (useless here) and the occasional "ssl"
prefixes were removed as well. Thus for example instead of
global.tune.ssl_default_dh_param
we now have :
global_ssl.default_dh_param
A few initializers were present in the constructor, they could be brought
back to the structure declaration.
A few other entries had to stay in global for now. They concern memory
calculationn (used in haproxy.c) and stats (used in stats.c).
The code is already much cleaner now, especially for global.h and haproxy.c
which become readable.
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