From 8ff2ba119ba654e9238f157f94bf10ed640ed877 Mon Sep 17 00:00:00 2001
From: Jeremy Harris <jgh146exb@wizmail.org>
Date: Sun, 12 Mar 2023 20:57:40 +0000
Subject: Cmdine option for only IDs of queue

---
 src/src/exim.c   | 18 ++++++++++--------
 src/src/macros.h |  7 +++++++
 src/src/queue.c  | 36 ++++++++++++++++++++----------------
 3 files changed, 37 insertions(+), 24 deletions(-)

(limited to 'src')

diff --git a/src/src/exim.c b/src/src/exim.c
index 8d13bd478..c16beb1af 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -1745,7 +1745,7 @@ int  filter_sfd = -1;
 int  filter_ufd = -1;
 int  group_count;
 int  i, rv;
-int  list_queue_option = 0;
+int  list_queue_option = QL_BASIC;
 int  msg_action = 0;
 int  msg_action_arg = -1;
 int  namelen = argv[0] ? Ustrlen(argv[0]) : 0;
@@ -2388,11 +2388,9 @@ on the second character (the one after '-'), to save some effort. */
 	    }
 
 	  if (*argrest == 'r')
-	    {
-	    list_queue_option = 8;
-	    argrest++;
-	    }
-	  else list_queue_option = 0;
+	    list_queue_option = QL_UNSORTED, argrest++;
+	  else
+	    list_queue_option = QL_BASIC;
 
 	  list_queue = TRUE;
 
@@ -2402,11 +2400,15 @@ on the second character (the one after '-'), to save some effort. */
 
 	  /* -bpu: List the contents of the mail queue, top-level undelivered */
 
-	  else if (Ustrcmp(argrest, "u") == 0) list_queue_option += 1;
+	  else if (Ustrcmp(argrest, "u") == 0) list_queue_option |= QL_UNDELIVERED_ONLY;
 
 	  /* -bpa: List the contents of the mail queue, including all delivered */
 
-	  else if (Ustrcmp(argrest, "a") == 0) list_queue_option += 2;
+	  else if (Ustrcmp(argrest, "a") == 0) list_queue_option |= QL_PLUS_GENERATED;
+
+	  /* -bpi: List only message IDs */
+
+	  else if (Ustrcmp(argrest, "i") == 0) list_queue_option |= QL_MSGID_ONLY;
 
 	  /* Unknown after -bp[r] */
 
diff --git a/src/src/macros.h b/src/src/macros.h
index 3b0293b97..9f3a7b06a 100644
--- a/src/src/macros.h
+++ b/src/src/macros.h
@@ -1140,4 +1140,11 @@ typedef unsigned mcs_flags;
 /* A big number for (effectively) unlimited envelope addresses */
 #define UNLIMITED_ADDRS		999999
 
+/* Flags for queue_list() */
+#define QL_BASIC		0
+#define QL_UNDELIVERED_ONLY	1
+#define QL_PLUS_GENERATED	2
+#define QL_MSGID_ONLY		3
+#define QL_UNSORTED		8
+
 /* End of macros.h */
diff --git a/src/src/queue.c b/src/src/queue.c
index d01cde655..b6e7907d7 100644
--- a/src/src/queue.c
+++ b/src/src/queue.c
@@ -913,7 +913,7 @@ Returns:      nothing
 */
 
 void
-queue_list(int option, uschar **list, int count)
+queue_list(int option, uschar ** list, int count)
 {
 int subcount;
 int now = (int)time(NULL);
@@ -942,21 +942,25 @@ if (count > 0)
 
 else
   qf = queue_get_spool_list(
-          -1,             /* entire queue */
-          subdirs,        /* for holding sub list */
-          &subcount,      /* for subcount */
-          option >= 8,	  /* randomize if required */
-	  NULL);	  /* don't just count */
+          -1,				/* entire queue */
+          subdirs,			/* for holding sub list */
+          &subcount,			/* for subcount */
+          option >= QL_UNSORTED,	/* randomize if required */
+	  NULL);			/* don't just count */
 
-if (option >= 8) option -= 8;
+option &= ~QL_UNSORTED;
 
 /* Now scan the chain and print information, resetting store used
 each time. */
 
-for (;
-    qf && (reset_point = store_mark());
-    spool_clear_header_globals(), store_reset(reset_point), qf = qf->next
-    )
+if (option == QL_MSGID_ONLY)	/* Print only the message IDs from the chain */
+  for (; qf; qf = qf->next)
+    fprintf(stdout, "%.*s\n", MESSAGE_ID_LENGTH, qf->text);
+
+else for (;
+	  qf && (reset_point = store_mark());
+	  spool_clear_header_globals(), store_reset(reset_point), qf = qf->next
+	 )
   {
   int rc, save_errno;
   int size = 0;
@@ -1010,8 +1014,8 @@ for (;
       }
     }
 
-  fprintf(stdout, "%s ", string_format_size(size, big_buffer));
-  for (int i = 0; i < 16; i++) fputc(qf->text[i], stdout);
+  fprintf(stdout, "%s %.*s",
+    string_format_size(size, big_buffer), MESSAGE_ID_LENGTH, qf->text);
 
   if (env_read && sender_address)
     {
@@ -1048,14 +1052,14 @@ for (;
     {
     for (int i = 0; i < recipients_count; i++)
       {
-      tree_node *delivered =
+      tree_node * delivered =
         tree_search(tree_nonrecipients, recipients_list[i].address);
-      if (!delivered || option != 1)
+      if (!delivered || option != QL_UNDELIVERED_ONLY)
         printf("        %s %s\n",
 	  delivered ? "D" : " ", recipients_list[i].address);
       if (delivered) delivered->data.val = TRUE;
       }
-    if (option == 2 && tree_nonrecipients)
+    if (option == QL_PLUS_GENERATED && tree_nonrecipients)
       queue_list_extras(tree_nonrecipients);
     printf("\n");
     }
-- 
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