X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fplugins%2Fpppoe%2Fpppd_utils.c;fp=pppd%2Fplugins%2Fpppoe%2Fpppd_utils.c;h=86a2ca7996f402bae8a3cd493cad0f78625b5ca1;hp=0000000000000000000000000000000000000000;hb=cdbb124cea5feeb4468ad3f2e5b5d17de583da6d;hpb=e59b06f904eb25935f8223c80bb1f07dab26933e

diff --git a/pppd/plugins/pppoe/pppd_utils.c b/pppd/plugins/pppoe/pppd_utils.c
new file mode 100644
index 0000000..86a2ca7
--- /dev/null
+++ b/pppd/plugins/pppoe/pppd_utils.c
@@ -0,0 +1,162 @@
+/* PPPoE support library "libpppoe"
+ *
+ * Copyright 2000 Michal Ostrowski <mostrows@styx.uwaterloo.ca>,
+ *		  Jamal Hadi Salim <hadi@cyberus.ca>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ */
+#include "pppoe.h"
+
+/*
+ *
+ */
+int build_ppp_opts(char *args[],struct session *ses)
+{
+    char buf[256];
+    int retval=0,i=0;
+    
+    memset(buf,0,256);
+    
+/* pppds path */
+    if ( NULL != ses->filt->pppd){
+	args[0]=(char *)malloc(strlen(ses->filt->pppd));
+        strcpy (args[0],ses->filt->pppd);
+    } else {
+	args[0]=(char *)malloc(strlen(_PATH_PPPD));
+        strcpy (args[0],_PATH_PPPD);
+    }
+    
+/*  long device name */
+    snprintf(buf, 256,"%02x:%02x:%02x:%02x:%02x:%02x/%04x/%s",
+	     ses->remote.sll_addr[0],
+	     ses->remote.sll_addr[1],
+	     ses->remote.sll_addr[2],
+	     ses->remote.sll_addr[3],
+	     ses->remote.sll_addr[4],
+	     ses->remote.sll_addr[5],
+	     ses->sp.sa_addr.pppoe.sid,
+	     ses->name);
+    args[1]=(char *)malloc(strlen(buf));
+    strcpy(args[1],buf);
+    
+    i=2;
+    
+/* override options file */
+    if (NULL != ses->filt->fname ) {
+	
+	if (!ses->filt->peermode) {
+	    args[i]=(char *)malloc(strlen("file"));
+	    strcpy (args[i],"file");
+	    i++;
+	    args[i]=(char *)malloc(strlen(ses->filt->fname)+1);
+	    strcpy (args[i],ses->filt->fname);
+	    i++;
+	} else{ /* peermode */
+	    args[i]=(char *)malloc(strlen("call"));
+	    strcpy (args[i],"call");
+	    i++;
+	    args[i]=(char *)malloc(strlen(ses->filt->fname)+1);
+	    strcpy (args[i],ses->filt->fname);
+	    i++;
+	}
+    }
+    
+/* user requested for a specific name */
+    if (NULL != ses->filt->ntag) {
+	if ( NULL != ses->filt->ntag->tag_data) {
+	    args[i]=(char *)malloc(strlen("pppoe_ac_name"));
+	    strcpy(args[i],"pppoe_ac_name");
+	    i++;
+	    args[i]=(char *)malloc(ntohs(ses->filt->ntag->tag_len));
+	    strcpy(args[i],ses->filt->ntag->tag_data);
+	    i++;
+	}
+    }
+/* user requested for a specific service name */
+    if (NULL != ses->filt->stag) {
+	if ( NULL != ses->filt->stag->tag_data) {
+	    args[i]=(char *)malloc(strlen("pppoe_srv_name"));
+	    strcpy(args[i],"pppoe_srv_name");
+	    i++;
+	    args[i]=(char *)malloc(ntohs(ses->filt->stag->tag_len));
+	    strcpy(args[i],ses->filt->stag->tag_data);
+	    i++;
+	}
+    }
+    
+/*
+ */
+    if (ses->opt_daemonize) {
+	args[i]=(char *)malloc(strlen("nodetach"));
+	strcpy(args[i],"nodetach");
+	i++;
+    }
+    
+    args[i]=NULL;
+    {
+	int j;
+	poe_info(ses,"calling pppd with %d args\n",i);
+	j=i;
+	for (i=0; i<j,NULL !=args[i]; i++) {
+	    poe_info(ses," <%d: %s > \n",i,args[i]);
+	}
+    }
+    return retval;
+}
+
+
+/*
+ *
+ */
+int ppp_connect (struct session *ses)
+{
+    int ret,pid;
+    char *args[32];
+    
+    
+    poe_info(ses,"calling ses_connect\n");
+    do{
+	ret = session_connect(ses);
+    }while(ret == 0);
+
+    if (ret > 0 )
+	if (ses->np == 1 && ret == 1)
+	    return ses->np; /* -G */
+    if (ses->np == 2)
+	return ses->np; /* -H */
+
+    if( ret <= 0){
+	return ret;
+    }
+    
+    poe_info(ses,"DONE calling ses_connect np is %d \n",ses->np);
+    
+    
+    pid = fork ();
+    if (pid < 0) {
+	poe_error (ses,"unable to fork() for pppd: %m");
+	poe_die (-1);
+    }
+    
+    
+    if(!pid) {
+	poe_info(ses,"calling build_ppp_opts\n");
+	if (0> build_ppp_opts(args,ses)) {
+	    poe_error(ses,"ppp_connect: failed to build ppp_opts\n");
+	    return -1;
+	}
+	execvp(args[0],args);
+	poe_info (ses," child got killed");
+    } else if( ses->type == SESSION_CLIENT) {
+	if (!ses->opt_daemonize)
+	    return 1;
+	pause();
+	poe_info (ses," OK we got killed");
+	return -1;
+    }
+    return 1;
+}
+