--- /dev/null
+From 3f224cff811e970ad8279c89fffbfd800b85bb64 Mon Sep 17 00:00:00 2001
+From: Sebastian Kemper <sebastian_ml@gmx.net>
+Date: Sat, 23 Oct 2021 01:23:40 +0200
+Subject: [PATCH] core: add support for time64 libcs
+
+libcs are implementing changes to fix the year 2038 issue on 32 bit
+platforms (see [1]). musl libc already went ahead and implemented it,
+starting with musl-1.2.0 (see [2]).
+
+This commit adds the groundwork for always using the "lld" format when
+dealing with time_t and casting the values to be formatted to (long
+long). The aim is to be future proof and portable.
+
+Example warning when not using TIME_T_FMT while compiling for a 32 bit
+target using a time64 libc:
+
+In file included from auth_identity.c:50:
+auth_identity.c: In function 'check_date':
+../../core/dprint.h:316:73: warning: format '%ld' expects argument of type 'long int', but argument 11 has type 'time_t' {aka 'long long int'} [-Wformat=]
+ 316 | fprintf(stderr, "%2d(%d) %s: %.*s%s%s%s" fmt, \
+ | ^~~~~~~~~~~~~~~~~~~~~~~~
+../../core/dprint.h:340:25: note: in expansion of macro 'LOG_FX'
+ 340 | LOG_FX(facility, level, lname, prefix, _FUNC_NAME_, fmt, ## args)
+ | ^~~~~~
+../../core/dprint.h:346:25: note: in expansion of macro 'LOG_FL'
+ 346 | LOG_FL(facility, level, NULL, prefix, fmt, ## args)
+ | ^~~~~~
+../../core/dprint.h:349:25: note: in expansion of macro 'LOG_FP'
+ 349 | LOG_FP(DEFAULT_FACILITY, (level), LOC_INFO, fmt, ## args)
+ | ^~~~~~
+auth_identity.c:594:17: note: in expansion of macro 'LOG'
+ 594 | LOG(L_INFO, "AUTH_IDENTITY VERIFIER: Outdated date header value (%ld sec)\n", tnow - tmsg + glb_iauthval);
+ | ^~~
+
+[1] https://sourceware.org/glibc/wiki/Y2038ProofnessDesign
+[2] https://musl.libc.org/time64.html
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+auth_identity: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+cdp: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+db_redis: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_charging: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_dialog: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_icscf: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_registrar_pcscf: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_registrar_scscf: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+ims_usrloc_scscf: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+nat_traversal: use TIME_T_FMT
+
+The size of the time_t destination is unknown as it is depending on the
+platform. So we "read into a known-size integer (either int or long
+long) and then assign the value to a time_t as a second step" (quote
+from [1]).
+
+[1] https://stackoverflow.com/questions/4171478/how-to-read-data-into-a-time-t-variable-using-scanf
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+
+xhttp_pi: use TIME_T_FMT
+
+Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
+---
+ src/core/dprint.h | 2 ++
+ src/modules/auth_identity/auth_identity.c | 2 +-
+ src/modules/cdp/routing.c | 4 ++--
+ src/modules/db_redis/redis_dbase.c | 2 +-
+ src/modules/ims_charging/ims_ro.c | 3 ++-
+ src/modules/ims_dialog/dlg_handlers.c | 2 +-
+ src/modules/ims_icscf/scscf_list.c | 7 ++++---
+ src/modules/ims_registrar_pcscf/notify.c | 4 ++--
+ src/modules/ims_registrar_pcscf/save.c | 5 +++--
+ src/modules/ims_registrar_scscf/registrar_notify.c | 5 +++--
+ src/modules/ims_registrar_scscf/save.c | 2 +-
+ src/modules/ims_usrloc_scscf/impurecord.c | 7 ++++---
+ src/modules/nat_traversal/nat_traversal.c | 5 ++++-
+ src/modules/xhttp_pi/xhttp_pi_fnc.c | 8 ++++----
+ 14 files changed, 34 insertions(+), 24 deletions(-)
+
+--- a/src/core/dprint.h
++++ b/src/core/dprint.h
+@@ -35,6 +35,8 @@
+ #include "compiler_opt.h"
+ #include "cfg_core.h"
+
++#define TIME_T_FMT "lld"
++#define TIME_T_CAST(x) ((long long)(x))
+
+ /** dicover the function name */
+ /* C >= 99 has __func__, older gcc versions have __FUNCTION__ */
+--- a/src/modules/auth_identity/auth_identity.c
++++ b/src/modules/auth_identity/auth_identity.c
+@@ -591,7 +591,7 @@ static int check_date(struct sip_msg* ms
+ }
+
+ if (tnow > tmsg + glb_iauthval) {
+- LOG(L_INFO, "AUTH_IDENTITY VERIFIER: Outdated date header value (%ld sec)\n", tnow - tmsg + glb_iauthval);
++ LOG(L_INFO, "AUTH_IDENTITY VERIFIER: Outdated date header value (%" TIME_T_FMT " sec)\n", TIME_T_CAST(tnow - tmsg + glb_iauthval));
+ return -4;
+ } else
+ LOG(AUTH_DBG_LEVEL, "AUTH_IDENTITY VERIFIER: Date header value OK\n");
+--- a/src/modules/cdp/routing.c
++++ b/src/modules/cdp/routing.c
+@@ -146,10 +146,10 @@ peer* get_first_connected_route(cdp_sess
+ }
+
+ least_recent_time = peers[0]->last_selected;
+- LM_DBG("peer [%.*s] was last used @ %ld\n", peers[0]->fqdn.len, peers[0]->fqdn.s, peers[0]->last_selected);
++ LM_DBG("peer [%.*s] was last used @ %" TIME_T_FMT "\n", peers[0]->fqdn.len, peers[0]->fqdn.s, TIME_T_CAST(peers[0]->last_selected));
+ p = peers[0];
+ for (j = 1; j < peer_count; j++) {
+- LM_DBG("Peer [%.*s] was last used at [%ld]\n", peers[j]->fqdn.len, peers[j]->fqdn.s, peers[j]->last_selected);
++ LM_DBG("Peer [%.*s] was last used at [%" TIME_T_FMT "]\n", peers[j]->fqdn.len, peers[j]->fqdn.s, TIME_T_CAST(peers[j]->last_selected));
+ if (peers[j]->last_selected < least_recent_time) {
+ least_recent_time = peers[j]->last_selected;
+ p = peers[j];
+--- a/src/modules/db_redis/redis_dbase.c
++++ b/src/modules/db_redis/redis_dbase.c
+@@ -142,7 +142,7 @@ static int db_redis_val2str(const db_val
+ _str->s[_str->len] = '\0';
+ break;
+ case DB1_DATETIME:
+- LM_DBG("converting datetime value %ld to str\n", VAL_TIME(v));
++ LM_DBG("converting datetime value %" TIME_T_FMT " to str\n", TIME_T_CAST(VAL_TIME(v)));
+ _str->s = (char*)pkg_malloc(_str->len);
+ if (!_str->s) goto memerr;
+ localtime_r(&(VAL_TIME(v)), &_time);
+--- a/src/modules/ims_charging/ims_ro.c
++++ b/src/modules/ims_charging/ims_ro.c
+@@ -856,7 +856,8 @@ void send_ccr_stop_with_param(struct ro_
+ LM_DBG("Final used number of seconds for session is %ld\n", used);
+ }
+
+- LM_DBG("Call started at %ld and ended at %ld and lasted %d seconds and so far we have billed for %ld seconds\n", ro_session->start_time, stop_time,
++ LM_DBG("Call started at %" TIME_T_FMT " and ended at %" TIME_T_FMT " and lasted %d seconds and so far we have billed for %ld seconds\n",
++ TIME_T_CAST(ro_session->start_time), TIME_T_CAST(stop_time),
+ actual_time_seconds, ro_session->billed + used);
+ if (ro_session->billed + used < actual_time_seconds) {
+ LM_DBG("Making adjustment by adding %ld seconds\n", actual_time_seconds - (ro_session->billed + used));
+--- a/src/modules/ims_dialog/dlg_handlers.c
++++ b/src/modules/ims_dialog/dlg_handlers.c
+@@ -1867,7 +1867,7 @@ void internal_print_all_dlg(struct dlg_c
+
+ LM_DBG("----------------------------");
+ LM_DBG("Dialog h_entry:h_id = [%u : %u]\n", dlg->h_entry, dlg->h_id);
+- LM_DBG("Dialog age: %ld\n", act_time - dlg->init_ts);
++ LM_DBG("Dialog age: %" TIME_T_FMT "\n", TIME_T_CAST(act_time - dlg->init_ts));
+ LM_DBG("Dialog call-id: %.*s\n", dlg->callid.len, dlg->callid.s);
+ LM_DBG("Dialog state: %d\n", dlg->state);
+ LM_DBG("Dialog ref counter: %d\n", dlg->ref);
+--- a/src/modules/ims_icscf/scscf_list.c
++++ b/src/modules/ims_icscf/scscf_list.c
+@@ -586,15 +586,16 @@ void ims_icscf_timer_routine() {
+ sl = l->list;
+ while (sl) {
+
+- LM_DBG("INF: Score:[%4d] Start_time [%ld] S-CSCF: <%.*s> \n",
++ LM_DBG("INF: Score:[%4d] Start_time [%" TIME_T_FMT "] S-CSCF: <%.*s> \n",
+ sl->score,
+- sl->start_time,
++ TIME_T_CAST(sl->start_time),
+ sl->scscf_name.len, sl->scscf_name.s);
+ time_t now = time(0);
+ time_t time_elapsed = now - sl->start_time;
+ if (time_elapsed > scscf_entry_expiry) {
+
+- LM_DBG("Scscf entry expired: Time now %ld Start time %ld - elapsed %ld\n", now, sl->start_time, time_elapsed);
++ LM_DBG("Scscf entry expired: Time now %" TIME_T_FMT " Start time %" TIME_T_FMT " - elapsed %" TIME_T_FMT "\n",
++ TIME_T_CAST(now), TIME_T_CAST(sl->start_time), TIME_T_CAST(time_elapsed));
+ delete_list = 1; //if any of the entries in this list have expired remove the whole list!
+
+ }
+--- a/src/modules/ims_registrar_pcscf/notify.c
++++ b/src/modules/ims_registrar_pcscf/notify.c
+@@ -209,8 +209,8 @@ int process_contact(udomain_t * _d, int
+ /*TODO_LATEST - put this back */
+ } else {//state is active
+ //update this contact
+- LM_DBG("This contact: <%.*s> is in state active and is in usrloc so just updating - old expires: %li, new expires: %i which is in %i seconds\n", contact_uri.len, contact_uri.s,
+- pcontact->expires,
++ LM_DBG("This contact: <%.*s> is in state active and is in usrloc so just updating - old expires: %" TIME_T_FMT ", new expires: %i which is in %i seconds\n", contact_uri.len, contact_uri.s,
++ TIME_T_CAST(pcontact->expires),
+ expires,
+ expires - local_time_now);
+ if (ul.update_pcontact(_d, &ci, pcontact) != 0) {
+--- a/src/modules/ims_registrar_pcscf/save.c
++++ b/src/modules/ims_registrar_pcscf/save.c
+@@ -223,8 +223,9 @@ static inline int update_contacts(struct
+ }
+ //TODO_LATEST replace above
+ } else { //update contact
+- LM_DBG("Updating contact: <%.*s>, old expires: %li, new expires: %i which is in %i seconds\n", c->uri.len, c->uri.s,
+- pcontact->expires-local_time_now,
++ LM_DBG("Updating contact: <%.*s>, old expires: %" TIME_T_FMT ", new expires: %i which is in %i seconds\n",
++ c->uri.len, c->uri.s,
++ TIME_T_CAST(pcontact->expires-local_time_now),
+ expires,
+ expires-local_time_now);
+ ci.reg_state = PCONTACT_REGISTERED;
+--- a/src/modules/ims_registrar_scscf/registrar_notify.c
++++ b/src/modules/ims_registrar_scscf/registrar_notify.c
+@@ -54,6 +54,7 @@
+ #include "../../core/parser/parse_from.h"
+ #include "../../core/parser/parse_content.h"
+ #include "../../core/parser/parse_uri.h"
++#include "../../core/dprint.h" /* TIME_T_FMT */
+ #include <libxml/parser.h>
+
+ #include "../../lib/ims/useful_defs.h"
+@@ -1517,8 +1518,8 @@ void create_notifications(udomain_t* _t,
+ subscription_state.len = 0;
+ if (subscription_state.s) {
+
+- sprintf(subscription_state.s, "%.*s%ld", subs_active.len,
+- subs_active.s, s->expires - act_time);
++ sprintf(subscription_state.s, "%.*s%" TIME_T_FMT, subs_active.len,
++ subs_active.s, TIME_T_CAST(s->expires - act_time));
+ subscription_state.len = strlen(subscription_state.s);
+ }
+
+--- a/src/modules/ims_registrar_scscf/save.c
++++ b/src/modules/ims_registrar_scscf/save.c
+@@ -545,7 +545,7 @@ static inline int update_contacts_helper
+ LM_DBG("Need to update contact: <%.*s>: "
+ "q_value [%d],"
+ "sos: [%d],"
+- "expires [%ld]\n", chi->uri.len, chi->uri.s, qvalue, sos, expires - time(NULL));
++ "expires [%" TIME_T_FMT "]\n", chi->uri.len, chi->uri.s, qvalue, sos, TIME_T_CAST(expires - time(NULL)));
+
+ LM_DBG("packing contact information\n");
+ if ((ci = pack_ci(msg, chi, expires, 0)) == 0) {
+--- a/src/modules/ims_usrloc_scscf/impurecord.c
++++ b/src/modules/ims_usrloc_scscf/impurecord.c
+@@ -244,7 +244,7 @@ void print_impurecord(FILE* _f, impureco
+ header = 1;
+ }
+ fprintf(_f, "\t\twatcher uri: <%.*s> and presentity uri: <%.*s>\n", subscriber->watcher_uri.len, subscriber->watcher_uri.s, subscriber->presentity_uri.len, subscriber->presentity_uri.s);
+- fprintf(_f, "\t\tExpires: %ld\n", subscriber->expires);
++ fprintf(_f, "\t\tExpires: %" TIME_T_FMT "\n", TIME_T_CAST(subscriber->expires));
+ subscriber = subscriber->next;
+ }
+
+@@ -405,8 +405,9 @@ static inline void process_impurecord(im
+ hascontacts = 1;
+ }
+ } else {
+- LM_DBG("\t\tContact #%i - %.*s, Ref [%d] (expires in %ld seconds) (State: %d)\n",
+- k, ptr->c.len, ptr->c.s, ptr->ref_count, ptr->expires - act_time, ptr->state);
++ LM_DBG("\t\tContact #%i - %.*s, Ref [%d] (expires in %" TIME_T_FMT " seconds) (State: %d)\n",
++ k, ptr->c.len, ptr->c.s, ptr->ref_count,
++ TIME_T_CAST(ptr->expires - act_time), ptr->state);
+ mustdeleteimpu = 0;
+ hascontacts = 1;
+ }
+--- a/src/modules/nat_traversal/nat_traversal.c
++++ b/src/modules/nat_traversal/nat_traversal.c
+@@ -1707,6 +1707,7 @@ static void restore_keepalive_state(void
+ unsigned h;
+ str host;
+ FILE *f;
++ long long ll_1, ll_2;
+
+ if(!keepalive_state_file)
+ return;
+@@ -1724,7 +1725,9 @@ static void restore_keepalive_state(void
+ res = fscanf(f, STATE_FILE_HEADER); // skip header
+
+ while(true) {
+- res = fscanf(f, "%63s %63s %ld %ld", uri, socket, &rtime, &stime);
++ res = fscanf(f, "%63s %63s %" TIME_T_FMT " %" TIME_T_FMT, uri, socket, &ll_1, &ll_2);
++ rtime = ll_1;
++ stime = ll_2;
+ if(res == EOF) {
+ if(ferror(f))
+ LM_ERR("error while reading keepalive state file: %s\n",
+--- a/src/modules/xhttp_pi/xhttp_pi_fnc.c
++++ b/src/modules/xhttp_pi/xhttp_pi_fnc.c
+@@ -3186,18 +3186,18 @@ int ph_run_pi_cmd(pi_ctx_t* ctx)
+ val_str.len = max_page_len - ctx->reply.body.len;
+ if(db_time2str(values[j].val.time_val,
+ val_str.s, &val_str.len)!=0){
+- LM_ERR("Unable to convert double [%ld]\n",
+- values[j].val.time_val);
++ LM_ERR("Unable to convert double [%" TIME_T_FMT "]\n",
++ TIME_T_CAST(values[j].val.time_val));
+ goto error;
+ }
+ p += val_str.len;
+ ctx->reply.body.len += val_str.len;
+ if(link_on) XHTTP_PI_COPY_2(p,XHTTP_PI_SQUOT_GT,val_str);
+ LM_DBG(" got %.*s[%d]=>"
+- "[%ld][%.*s]\n",
++ "[%" TIME_T_FMT "][%.*s]\n",
+ command->q_keys[j]->len,
+ command->q_keys[j]->s, i,
+- values[j].val.time_val,
++ TIME_T_CAST(values[j].val.time_val),
+ val_str.len, val_str.s);
+ break;
+ default:
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