finally move buildroot-ng to trunk

1 files changed, 320 insertions, 0 deletions

diff --git a/package/nvram/src/nvram_linux.c b/package/nvram/src/nvram_linux.c
new file mode 100644
index 0000000000..c41e32118a
--- /dev/null
+++ b/package/nvram/src/nvram_linux.c
@@ -0,0 +1,320 @@
+/*
+ * NVRAM variable manipulation (Linux user mode half)
+ *
+ * Copyright 2004, Broadcom Corporation
+ * All Rights Reserved.
+ * 
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <error.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+
+#include <typedefs.h>
+#include <bcmnvram.h>
+#include <nvram_convert.h>
+#include <shutils.h>
+#include <utils.h>
+
+#define PATH_DEV_NVRAM "/dev/nvram"
+
+/* Globals */
+static int nvram_fd = -1;
+static char *nvram_buf = NULL;
+int check_action(void);
+int file_to_buf(char *path, char *buf, int len);
+
+int
+nvram_init(void *unused)
+{
+	if ((nvram_fd = open(PATH_DEV_NVRAM, O_RDWR)) < 0)
+		goto err;
+
+	/* Map kernel string buffer into user space */
+	if ((nvram_buf = mmap(NULL, NVRAM_SPACE, PROT_READ, MAP_SHARED, nvram_fd, 0)) == MAP_FAILED) {
+		close(nvram_fd);
+		nvram_fd = -1;
+		goto err;
+	}
+
+	return 0;
+
+ err:
+	perror(PATH_DEV_NVRAM);
+	return errno;
+}
+
+char *
+nvram_get(const char *name)
+{
+	size_t count = strlen(name) + 1;
+	char tmp[100], *value;
+	unsigned long *off = (unsigned long *) tmp;
+
+	if (nvram_fd < 0)
+		if (nvram_init(NULL))
+			return NULL;
+
+	if (count > sizeof(tmp)) {
+		if (!(off = malloc(count)))
+			return NULL;
+	}
+
+	/* Get offset into mmap() space */
+	strcpy((char *) off, name);
+
+	count = read(nvram_fd, off, count);
+
+	if (count == sizeof(unsigned long))
+		value = &nvram_buf[*off];
+	else
+		value = NULL;
+
+	if (count < 0)
+		perror(PATH_DEV_NVRAM);
+
+	if (off != (unsigned long *) tmp)
+		free(off);
+
+	return value;
+}
+
+int
+nvram_getall(char *buf, int count)
+{
+	int ret;
+
+	if (nvram_fd < 0)
+		if ((ret = nvram_init(NULL)))
+			return ret;
+
+	if (count == 0)
+		return 0;
+
+	/* Get all variables */
+	*buf = '\0';
+
+	ret = read(nvram_fd, buf, count);
+
+	if (ret < 0)
+		perror(PATH_DEV_NVRAM);
+
+	return (ret == count) ? 0 : ret;
+}
+
+static int
+_nvram_set(const char *name, const char *value)
+{
+	size_t count = strlen(name) + 1;
+	char tmp[100], *buf = tmp;
+	int ret;
+
+	if (nvram_fd < 0)
+		if ((ret = nvram_init(NULL)))
+			return ret;
+
+	/* Unset if value is NULL */
+	if (value)
+		count += strlen(value) + 1;
+
+	if (count > sizeof(tmp)) {
+		if (!(buf = malloc(count)))
+			return -ENOMEM;
+	}
+
+	if (value)
+		sprintf(buf, "%s=%s", name, value);
+	else
+		strcpy(buf, name);
+
+	ret = write(nvram_fd, buf, count);
+
+	if (ret < 0)
+		perror(PATH_DEV_NVRAM);
+
+	if (buf != tmp)
+		free(buf);
+
+	return (ret == count) ? 0 : ret;
+}
+
+int
+nvram_set(const char *name, const char *value)
+{
+	 extern struct nvram_convert nvram_converts[];
+         struct nvram_convert *v;
+         int ret;
+
+         ret = _nvram_set(name, value);
+
+         for(v = nvram_converts ; v->name ; v++) {
+                 if(!strcmp(v->name, name)){
+                         if(strcmp(v->wl0_name,""))      _nvram_set(v->wl0_name, value);
+                         if(strcmp(v->d11g_name,""))     _nvram_set(v->d11g_name, value);
+                 }
+         }
+
+         return ret;
+}
+
+int
+nvram_unset(const char *name)
+{
+	return _nvram_set(name, NULL);
+}
+
+int
+nvram_commit(void)
+{
+	int ret;
+	
+	cprintf("nvram_commit(): start\n");	
+	
+	if((check_action() == ACT_IDLE) || 
+	   (check_action() == ACT_SW_RESTORE) || 
+	   (check_action() == ACT_HW_RESTORE)){
+		if (nvram_fd < 0)
+			if ((ret = nvram_init(NULL)))
+				return ret;
+
+		ret = ioctl(nvram_fd, NVRAM_MAGIC, NULL);
+
+		if (ret < 0)
+			perror(PATH_DEV_NVRAM);
+	
+		cprintf("nvram_commit(): end\n");	
+	}
+	else
+		cprintf("nvram_commit():  nothing to do...\n");
+
+	return ret;
+}
+
+int file2nvram(char *filename, char *varname) {
+   FILE *fp;
+   int c,count;
+   int i=0,j=0;
+   char mem[10000],buf[30000];
+
+   if ( !(fp=fopen(filename,"rb") ))
+        return 0;
+
+   count=fread(mem,1,sizeof(mem),fp);
+   fclose(fp);
+   for (j=0;j<count;j++) {
+        if  (i > sizeof(buf)-3 )
+                break;
+        c=mem[j];
+        if (c >= 32 && c <= 126 && c != '\\' && c != '~')  {
+                buf[i++]=(unsigned char) c;
+        } else if (c==0) {
+		buf[i++]='~';
+        } else {
+                buf[i++]='\\';
+                sprintf(buf+i,"%02X",c);
+                i+=2;
+        }
+   }
+   if (i==0) return 0;
+   buf[i]=0;
+   //fprintf(stderr,"================ > file2nvram %s = [%s] \n",varname,buf); 
+   nvram_set(varname,buf);
+   //nvram_commit(); //Barry adds for test
+}
+
+int nvram2file(char *varname, char *filename) {
+   FILE *fp;
+   int c,tmp;
+   int i=0,j=0;
+   char *buf;
+   char mem[10000];
+   
+   if ( !(fp=fopen(filename,"wb") ))
+        return 0;
+        
+   buf=strdup(nvram_safe_get(varname));
+   //fprintf(stderr,"=================> nvram2file %s = [%s] \n",varname,buf);
+   while (  buf[i] && j < sizeof(mem)-3 ) {
+        if (buf[i] == '\\')  {
+                i++;
+                tmp=buf[i+2];
+                buf[i+2]=0;
+                sscanf(buf+i,"%02X",&c);
+                buf[i+2]=tmp;
+                i+=2;
+                mem[j]=c;j++;
+        } else if (buf[i] == '~') {
+		mem[j]=0;j++;
+		i++;
+        } else {
+                mem[j]=buf[i];j++;
+                i++;
+        }       
+   }
+   if (j<=0) return j;
+   j=fwrite(mem,1,j,fp);
+   fclose(fp);
+   free(buf);
+   return j;
+}  
+
+int
+check_action(void)
+{
+	char buf[80] = "";
+	
+	if(file_to_buf(ACTION_FILE, buf, sizeof(buf))){
+		if(!strcmp(buf, "ACT_TFTP_UPGRADE")){
+			cprintf("Upgrading from tftp now, quiet exit....\n");
+			return ACT_TFTP_UPGRADE;
+		}
+		else if(!strcmp(buf, "ACT_WEBS_UPGRADE")){
+			cprintf("Upgrading from web (https) now, quiet exit....\n");
+			return ACT_WEBS_UPGRADE;
+		}
+		else if(!strcmp(buf, "ACT_WEB_UPGRADE")){
+			cprintf("Upgrading from web (http) now, quiet exit....\n");
+			return ACT_WEB_UPGRADE;
+		}
+		else if(!strcmp(buf, "ACT_SW_RESTORE")){
+			cprintf("Receive restore command from web, quiet exit....\n");
+			return ACT_SW_RESTORE;
+		}
+		else if(!strcmp(buf, "ACT_HW_RESTORE")){
+			cprintf("Receive restore commond from resetbutton, quiet exit....\n");
+			return ACT_HW_RESTORE;
+		}
+	}
+	//fprintf(stderr, "Waiting for upgrading....\n");
+	return ACT_IDLE;
+}
+
+int
+file_to_buf(char *path, char *buf, int len)
+{
+	FILE *fp;
+
+	memset(buf, 0 , len);
+
+	if ((fp = fopen(path, "r"))) {
+		fgets(buf, len, fp);
+		fclose(fp);
+		return 1;
+	}
+
+	return 0;
+}