add support for unlink() on printer shares in smbwrapper. unlink()

will remove the job from the pirnt queue.
(This used to be commit 7bd738c30a09a211fd14a8544309efeec17c66f5)

4 files changed, 54 insertions, 4 deletions

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 29803cdbbc..f2b484ceec 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -418,6 +418,7 @@ BOOL cli_establish_connection(struct cli_state *cli,
 				struct nmb_name *calling, struct nmb_name *called,
 				char *service, char *service_type,
 				BOOL do_shutdown, BOOL do_tcon);
+int cli_printjob_del(struct cli_state *cli, int job);
 int cli_print_queue(struct cli_state *cli, 
 		    void (*fn)(struct print_job_info *));
 
diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index 0e01370f5d..e4aa15c6eb 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -2495,6 +2495,43 @@ BOOL cli_establish_connection(struct cli_state *cli,
 }
 
 
+/****************************************************************************
+  cancel a print job
+  ****************************************************************************/
+int cli_printjob_del(struct cli_state *cli, int job)
+{
+	char *rparam = NULL;
+	char *rdata = NULL;
+	char *p;
+	int rdrcnt,rprcnt, ret = -1;
+	pstring param;
+
+	bzero(param,sizeof(param));
+
+	p = param;
+	SSVAL(p,0,81);		/* DosPrintJobDel() */
+	p += 2;
+	pstrcpy(p,"W");
+	p = skip_string(p,1);
+	pstrcpy(p,"");
+	p = skip_string(p,1);
+	SSVAL(p,0,job);     
+	p += 2;
+	
+	if (cli_api(cli, 
+		    param, PTR_DIFF(p,param), 1024,  /* Param, length, maxlen */
+		    NULL, 0, CLI_BUFFER_SIZE,            /* data, length, maxlen */
+		    &rparam, &rprcnt,                /* return params, length */
+		    &rdata, &rdrcnt)) {               /* return data, length */
+		ret = SVAL(rparam,0);
+	}
+
+	if (rparam) free(rparam);
+	if (rdata) free(rdata);
+
+	return ret;
+}
+
 
 /****************************************************************************
 call fn() on each entry in a print queue
diff --git a/source3/smbwrapper/smbw.c b/source3/smbwrapper/smbw.c
index 3a2cbcf5ac..0abe823e29 100644
--- a/source3/smbwrapper/smbw.c
+++ b/source3/smbwrapper/smbw.c
@@ -756,7 +756,15 @@ int smbw_unlink(const char *fname)
 		goto failed;
 	}
 
-	if (!cli_unlink(&srv->cli, path)) {
+	if (strncmp(srv->cli.dev, "LPT", 3) == 0) {
+		int job = smbw_stat_printjob(srv, path, NULL, NULL);
+		if (job == -1) {
+			goto failed;
+		}
+		if (cli_printjob_del(&srv->cli, job) != 0) {
+			goto failed;
+		}
+	} else if (!cli_unlink(&srv->cli, path)) {
 		errno = smbw_errno(&srv->cli);
 		goto failed;
 	}
diff --git a/source3/smbwrapper/smbw_stat.c b/source3/smbwrapper/smbw_stat.c
index 69ca38a2ae..d0b0e59b4f 100644
--- a/source3/smbwrapper/smbw_stat.c
+++ b/source3/smbwrapper/smbw_stat.c
@@ -100,9 +100,13 @@ int smbw_stat_printjob(struct smbw_server *srv,char *path,
 	fstrcpy(printjob.name, path);
 	cli_print_queue(&srv->cli, smbw_printjob_stat);
 
-	*size = printjob.size;
-	*m_time = printjob.t;
-	return 0;
+	if (size) {
+		*size = printjob.size;
+	}
+	if (m_time) {
+		*m_time = printjob.t;
+	}
+	return printjob.id;
 }