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Reject group avatar commands outside a running chat service

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evgeny committed 2026-10-06 13:59:17 +02:00
1 parent b6a5f98d41
commit 2bcba58131
2 files changed
+8 -3
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src/chat/group_avatar.c
+4 -2
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@@ -113,7 +113,8 @@ static void ga_changed(struct UTUN_INSTANCE* inst, uint64_t group) {
}
int group_avatar_apply(struct UTUN_INSTANCE* inst, uint64_t group, const struct group_avatar_record* r) {
if (!r || ga_verify(inst, group, r) < 0) return -1;
if (!r) { DEBUG_ERROR(DEBUG_CATEGORY_CHAT, "group avatar: missing candidate record"); return -1; }
if (ga_verify(inst, group, r) < 0) return -1;
struct group_avatar_record current;
if (group_avatar_get(inst, group, &current) < 0) return -1;
int newer = ga_compare(r->version, r->hash, current.version, current.hash);
@@ -140,7 +141,8 @@ int group_avatar_apply(struct UTUN_INSTANCE* inst, uint64_t group, const struct
}
int group_avatar_set(struct UTUN_INSTANCE* inst, uint64_t group, const uint8_t* data, size_t size) {
if (!inst || size > GROUP_AVATAR_MAX || (size && !data) || !member_files_member(inst, group, inst->node_id, 0)) {
if (!inst || !CC(inst) || !CC(inst)->initialized || !CC(inst)->db || size > GROUP_AVATAR_MAX ||
(size && !data) || !member_files_member(inst, group, inst->node_id, 0)) {
DEBUG_WARN(DEBUG_CATEGORY_CHAT, "group avatar: publication denied group=%llu bytes=%zu", (unsigned long long)group, size); return -1;
}
uint8_t key[32], bytes[GROUP_AVATAR_MAX + 64]; char ch[32]; ga_channel(group, ch);