feat: Compatible with printer driver which runs on V20 (#4)

debian/changelog

@@ -1,3 +1,9 @@
+cups (2.4.2-5deepin2) unstable; urgency=medium
+
+  * Compatible with printer driver which runs on V20.
+
+ -- reddevillg <[email protected]>  Wed, 04 Dec 2024 16:06:25 +0800
+
 cups (2.4.2-5deepin1) unstable; urgency=medium
 
   * Fix Refactor part of server settings code.

debian/patches/0017-Compatible-with-printer-driver-which-runs-on-V20.patch

@@ -0,0 +1,74 @@
+From: reddevillg <[email protected]>
+Date: Wed, 4 Dec 2024 15:28:30 +0800
+Subject: [PATCH] Compatible with printer driver which runs on V20
+
+If deepin-compatible-ctl exist, use it to run external process.
+---
+ scheduler/process.c | 39 +++++++++++++++++++++++++++------------
+ 1 file changed, 27 insertions(+), 12 deletions(-)
+
+diff --git a/scheduler/process.c b/scheduler/process.c
+index 1492e76..7c15db5 100644
+--- a/scheduler/process.c
++++ b/scheduler/process.c
+@@ -555,30 +555,45 @@ cupsdStartProcess(
+   if (profile)
+ #endif /* !USE_POSIX_SPAWN */
+   {
++    struct stat fileinfo;
++    int idx = 0;
++
+     snprintf(cups_exec, sizeof(cups_exec), "%s/daemon/cups-exec", ServerBin);
+     snprintf(user_str, sizeof(user_str), "%d", user);
+     snprintf(group_str, sizeof(group_str), "%d", Group);
+     snprintf(nice_str, sizeof(nice_str), "%d", FilterNice);
+
+-    real_argv[0] = cups_exec;
+-    real_argv[1] = (char *)"-g";
+-    real_argv[2] = group_str;
+-    real_argv[3] = (char *)"-n";
+-    real_argv[4] = nice_str;
+-    real_argv[5] = (char *)"-u";
+-    real_argv[6] = user_str;
+-    real_argv[7] = profile ? profile : "none";
+-    real_argv[8] = (char *)command;
++    if (!stat("/usr/bin/deepin-compatible-ctl", &fileinfo))
++    {
++        real_argv[0] = (char *)"deepin-compatible-ctl";
++        real_argv[1] = (char *)"app";
++        real_argv[2] = (char *)"--ldrd";
++        real_argv[3] = (char *)"run";
++        real_argv[4] = (char *)"--";
++        idx = 5;
++        exec_path = "/usr/bin/deepin-compatible-ctl";
++    } else {
++        exec_path = cups_exec;
++    }
++
++    real_argv[idx + 0] = cups_exec;
++    real_argv[idx + 1] = (char *)"-g";
++    real_argv[idx + 2] = group_str;
++    real_argv[idx + 3] = (char *)"-n";
++    real_argv[idx + 4] = nice_str;
++    real_argv[idx + 5] = (char *)"-u";
++    real_argv[idx + 6] = user_str;
++    real_argv[idx + 7] = profile ? profile : "none";
++    real_argv[idx + 8] = (char *)command;
+
+     for (i = 0;
+          i < (int)(sizeof(real_argv) / sizeof(real_argv[0]) - 10) && argv[i];
+ 	 i ++)
+-      real_argv[i + 9] = argv[i];
++      real_argv[idx + i + 9] = argv[i];
+
+-    real_argv[i + 9] = NULL;
++    real_argv[idx + i + 9] = NULL;
+
+     argv      = real_argv;
+-    exec_path = cups_exec;
+   }
+
+   if (LogLevel == CUPSD_LOG_DEBUG2)
+-- 
+2.45.2
+

debian/patches/series

@@ -19,4 +19,4 @@
 0005-feat-enable-lpd-to-encode-title.patch
 0006-fixed-CVE-2024-47175.patch
 0007-Feat-add-audit-log-to-CUPS.patch
-
+0017-Compatible-with-printer-driver-which-runs-on-V20.patch