From c7c041a853b9a712394174a08a25e76bfcd68d4b Mon Sep 17 00:00:00 2001
From: Michael Vetter <jubalh@iodoru.org>
Date: Tue, 18 Jul 2023 12:39:52 +0200
Subject: [PATCH 1/2] Add xep-0059 to doap

Implemented for MAM since
* https://github.com/profanity-im/profanity/pull/1417 (0.11.0)
* https://github.com/profanity-im/profanity/commit/f0202a2fe (DEV)
---
 profanity.doap | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/profanity.doap b/profanity.doap
index 3970ce75..8f9c5e9a 100644
--- a/profanity.doap
+++ b/profanity.doap
@@ -135,6 +135,16 @@
       </xmpp:SupportedXep>
     </implements>
 
+    <!-- XEP-0059: Result Set Management --> 
+    <implements>
+      <xmpp:SupportedXep>
+        <xmpp:xep rdf:resource='https://xmpp.org/extensions/xep-0059.html'/>
+        <xmpp:status>complete</xmpp:status>
+        <xmpp:version>1.0</xmpp:version>
+        <xmpp:since>DEV</xmpp:since>
+      </xmpp:SupportedXep>
+    </implements>
+
     <!-- XEP-0060: Publish-Subscribe --> 
     <implements>
       <xmpp:SupportedXep>

From a963ff4d247f28eeabbdc63dace445c6de72e250 Mon Sep 17 00:00:00 2001
From: Michael Vetter <jubalh@iodoru.org>
Date: Tue, 18 Jul 2023 12:42:36 +0200
Subject: [PATCH 2/2] mam: check if we get 'first' stanza before usage

Fix https://github.com/profanity-im/profanity/issues/1868
---
 src/xmpp/iq.c | 42 ++++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/src/xmpp/iq.c b/src/xmpp/iq.c
index 1203ed69..067e7b2e 100644
--- a/src/xmpp/iq.c
+++ b/src/xmpp/iq.c
@@ -2738,29 +2738,31 @@ _mam_rsm_id_handler(xmpp_stanza_t* const stanza, void* const userdata)
 
                 auto_char char* firstid = NULL;
                 xmpp_stanza_t* first = xmpp_stanza_get_child_by_name(set, STANZA_NAME_FIRST);
-                firstid = xmpp_stanza_get_text(first);
+                if (first) {
+                    firstid = xmpp_stanza_get_text(first);
 
-                // 4.3.2. send same stanza with set,max stanza
-                xmpp_ctx_t* const ctx = connection_get_ctx();
+                    // 4.3.2. send same stanza with set,max stanza
+                    xmpp_ctx_t* const ctx = connection_get_ctx();
 
-                if (data->end_datestr) {
-                    free(data->end_datestr);
-                    data->end_datestr = NULL;
+                    if (data->end_datestr) {
+                        free(data->end_datestr);
+                        data->end_datestr = NULL;
+                    }
+                    xmpp_stanza_t* iq = stanza_create_mam_iq(ctx, data->barejid, data->start_datestr, NULL, firstid, NULL);
+
+                    MamRsmUserdata* ndata = malloc(sizeof(*ndata));
+                    *ndata = *data;
+                    if (data->end_datestr)
+                        ndata->end_datestr = strdup(data->end_datestr);
+                    if (data->start_datestr)
+                        ndata->start_datestr = strdup(data->start_datestr);
+                    if (data->barejid)
+                        ndata->barejid = strdup(data->barejid);
+                    iq_id_handler_add(xmpp_stanza_get_id(iq), _mam_rsm_id_handler, (ProfIqFreeCallback)_mam_userdata_free, ndata);
+
+                    iq_send_stanza(iq);
+                    xmpp_stanza_release(iq);
                 }
-                xmpp_stanza_t* iq = stanza_create_mam_iq(ctx, data->barejid, data->start_datestr, NULL, firstid, NULL);
-
-                MamRsmUserdata* ndata = malloc(sizeof(*ndata));
-                *ndata = *data;
-                if (data->end_datestr)
-                    ndata->end_datestr = strdup(data->end_datestr);
-                if (data->start_datestr)
-                    ndata->start_datestr = strdup(data->start_datestr);
-                if (data->barejid)
-                    ndata->barejid = strdup(data->barejid);
-                iq_id_handler_add(xmpp_stanza_get_id(iq), _mam_rsm_id_handler, (ProfIqFreeCallback)_mam_userdata_free, ndata);
-
-                iq_send_stanza(iq);
-                xmpp_stanza_release(iq);
             }
         }
     }