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My first bout of untangling udhcp. Make lots of gratuitous #defines go

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away, substitutie BB_VER for an external VERSION, use busybox CONFIG symbols
rather than checking for them then defining others, etc.  Lots more cleanup
to do...
This commit is contained in:
Rob Landley
2006-05-28 01:06:36 +00:00
parent 8fba99f35e
commit 3f78561d63
17 changed files with 86 additions and 221 deletions
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29
networking/udhcp/script.c
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@@ -4,19 +4,7 @@
*
* Russ Dill <Russ.Dill@asu.edu> July 2001
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <string.h>
@@ -33,7 +21,6 @@
#include "options.h"
#include "dhcpd.h"
#include "dhcpc.h"
#include "script.h"
/* get a rough idea of how long an option will be (rounding up...) */
static const int max_option_length[] = {
@@ -161,10 +148,10 @@ static char **fill_envp(struct dhcpMessage *packet)
envp = xzalloc(sizeof(char *) * (num_options + 5));
j = 0;
asprintf(&envp[j++], "interface=%s", client_config.interface);
asprintf(&envp[j++], "%s=%s", "PATH",
envp[j++] = bb_xasprintf("interface=%s", client_config.interface);
envp[j++] = bb_xasprintf("PATH=%s",
getenv("PATH") ? : "/bin:/usr/bin:/sbin:/usr/sbin");
asprintf(&envp[j++], "%s=%s", "HOME", getenv("HOME") ? : "/");
envp[j++] = bb_xasprintf("HOME=%s", getenv("HOME") ? : "/");
if (packet == NULL) return envp;
@@ -182,7 +169,7 @@ static char **fill_envp(struct dhcpMessage *packet)
/* Fill in a subnet bits option for things like /24 */
if (dhcp_options[i].code == DHCP_SUBNET) {
memcpy(&subnet, temp, 4);
asprintf(&envp[j++], "mask=%d", mton(&subnet));
envp[j++] = bb_xasprintf("mask=%d", mton(&subnet));
}
}
if (packet->siaddr) {
@@ -192,19 +179,19 @@ static char **fill_envp(struct dhcpMessage *packet)
if (!(over & FILE_FIELD) && packet->file[0]) {
/* watch out for invalid packets */
packet->file[sizeof(packet->file) - 1] = '\0';
asprintf(&envp[j++], "boot_file=%s", packet->file);
envp[j++] = bb_xasprintf("boot_file=%s", packet->file);
}
if (!(over & SNAME_FIELD) && packet->sname[0]) {
/* watch out for invalid packets */
packet->sname[sizeof(packet->sname) - 1] = '\0';
asprintf(&envp[j++], "sname=%s", packet->sname);
envp[j++] = bb_xasprintf("sname=%s", packet->sname);
}
return envp;
}
/* Call a script with a par file and env vars */
void run_script(struct dhcpMessage *packet, const char *name)
void udhcp_run_script(struct dhcpMessage *packet, const char *name)
{
int pid;
char **envp, **curr;