pappl/0001-List-raw-sockets-during-printers-subcommand-if-avail.patch

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From 539d471a9a484fa8f6bc894064704adae7829d34 Mon Sep 17 00:00:00 2001
From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Tue, 13 Feb 2024 17:52:27 +0100
Subject: [PATCH] List raw sockets during `printers` subcommand if available
Provide a way how to show path to raw socket via CLI without 3rd part
tools.
---
pappl/mainloop-subcommands.c | 47 ++++++++++++++++++++++++++++++++++--
pappl/printer-ipp.c | 11 +++++++++
2 files changed, 56 insertions(+), 2 deletions(-)
diff --git a/pappl/mainloop-subcommands.c b/pappl/mainloop-subcommands.c
index 9df19b8..ee581b7 100644
--- a/pappl/mainloop-subcommands.c
+++ b/pappl/mainloop-subcommands.c
@@ -1198,6 +1198,11 @@ _papplMainloopShowPrinters(
ipp_t *request, // IPP request
*response; // IPP response
ipp_attribute_t *attr; // Current attribute
+ ipp_tag_t value_tag; // Value tag of IPP attribute
+ const char *printer_name, // Printer name
+ *printer_uri, // Printer URI
+ *attr_name, // Attribute name
+ *socket_uri; // Socket URI
(void)num_options;
@@ -1213,8 +1218,46 @@ _papplMainloopShowPrinters(
response = cupsDoRequest(http, request, "/ipp/system");
- for (attr = ippFindAttribute(response, "printer-name", IPP_TAG_NAME); attr; attr = ippFindNextAttribute(response, "printer-name", IPP_TAG_NAME))
- puts(ippGetString(attr, 0, NULL));
+ for (attr = ippFirstAttribute(response); attr; attr = ippNextAttribute(response))
+ {
+ while (attr != NULL && ippGetGroupTag(attr) != IPP_TAG_PRINTER)
+ attr = ippNextAttribute(response);
+
+ if (attr == NULL)
+ break;
+
+ value_tag = IPP_TAG_CUPS_INVALID;
+ printer_name = NULL;
+ printer_uri = NULL;
+ attr_name = NULL;
+ socket_uri = NULL;
+
+ for (; attr && ippGetGroupTag(attr) == IPP_TAG_PRINTER; attr = ippNextAttribute(response))
+ {
+ value_tag = ippGetValueTag(attr);
+
+ if (value_tag != IPP_TAG_NAME &&
+ value_tag != IPP_TAG_URI)
+ continue;
+
+ attr_name = ippGetName(attr);
+
+ if (value_tag == IPP_TAG_NAME && !strcmp(attr_name, "printer-name"))
+ printer_name = ippGetString(attr, 0, NULL);
+
+ if (value_tag == IPP_TAG_URI && !strcmp(attr_name, "smi55357-printer-socket-uri-supported"))
+ socket_uri = ippGetString(attr, 0, NULL);
+
+ if (value_tag == IPP_TAG_URI && !strcmp(attr_name, "printer-uri-supported"))
+ printer_uri = ippGetString(attr, 0, NULL);
+ }
+
+ if (printer_name && printer_uri)
+ printf("%s - printer - %s\n", printer_name, printer_uri);
+
+ if (printer_name && socket_uri)
+ printf("%s - raw socket - %s\n", printer_name, socket_uri);
+ }
ippDelete(response);
httpClose(http);
diff --git a/pappl/printer-ipp.c b/pappl/printer-ipp.c
index 551eddc..0d473aa 100644
--- a/pappl/printer-ipp.c
+++ b/pappl/printer-ipp.c
@@ -626,6 +626,17 @@ _papplPrinterCopyAttributesNoLock(
ippAddStrings(client->response, IPP_TAG_PRINTER, IPP_CONST_TAG(IPP_TAG_KEYWORD), "uri-authentication-supported", 2, NULL, uri_authentication_none);
}
}
+
+ if (printer->raw_active)
+ {
+ if (!ra || cupsArrayFind(ra, "smi55357-printer-socket-uri-supported"))
+ {
+ char socket_uri[1024]; // Buffer for socket URI
+
+ httpAssembleURI(HTTP_URI_CODING_ALL, socket_uri, sizeof(socket_uri), "socket", NULL, client->host_field, 9099 + printer->printer_id, NULL);
+ ippAddString(client->response, IPP_TAG_PRINTER, IPP_TAG_URI, "smi55357-printer-socket-uri-supported", NULL, socket_uri);
+ }
+ }
}
--
2.43.0