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fix: restore old context when input of body filter is NULL #104

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Apr 21, 2025
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12 changes: 12 additions & 0 deletions patch/1.21.4/ngx_lua-body_filter_restore_context.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
diff --git src/ngx_http_lua_bodyfilterby.c src/ngx_http_lua_bodyfilterby.c
index 78e3b5c2..dba7261a 100644
--- src/ngx_http_lua_bodyfilterby.c
+++ src/ngx_http_lua_bodyfilterby.c
@@ -368,6 +368,7 @@ ngx_http_lua_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
}

} else {
+ ctx->context = old_context;
out = NULL;
}

12 changes: 12 additions & 0 deletions patch/1.25.3.1/ngx_lua-body_filter_restore_context.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
diff --git src/ngx_http_lua_bodyfilterby.c src/ngx_http_lua_bodyfilterby.c
index 78e3b5c2..dba7261a 100644
--- src/ngx_http_lua_bodyfilterby.c
+++ src/ngx_http_lua_bodyfilterby.c
@@ -368,6 +368,7 @@ ngx_http_lua_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
}

} else {
+ ctx->context = old_context;
out = NULL;
}

12 changes: 12 additions & 0 deletions patch/1.27.1.1/ngx_lua-body_filter_restore_context.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
diff --git src/ngx_http_lua_bodyfilterby.c src/ngx_http_lua_bodyfilterby.c
index c0484c8d..179a501a 100644
--- src/ngx_http_lua_bodyfilterby.c
+++ src/ngx_http_lua_bodyfilterby.c
@@ -368,6 +368,7 @@ ngx_http_lua_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
}

} else {
+ ctx->context = old_context;
out = NULL;
}