zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/busybox/src/networking/httpd_indexcgi.c b/ap/app/busybox/src/networking/httpd_indexcgi.c
new file mode 100644
index 0000000..562cd7f
--- /dev/null
+++ b/ap/app/busybox/src/networking/httpd_indexcgi.c
@@ -0,0 +1,350 @@
+/*
+ * Copyright (c) 2007 Denys Vlasenko <vda.linux@googlemail.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+
+/*
+ * This program is a CGI application. It outputs directory index page.
+ * Put it into cgi-bin/index.cgi and chmod 0755.
+ */
+
+/* Build a-la
+i486-linux-uclibc-gcc \
+-static -static-libgcc \
+-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 \
+-Wall -Wshadow -Wwrite-strings -Wundef -Wstrict-prototypes -Werror \
+-Wold-style-definition -Wdeclaration-after-statement -Wno-pointer-sign \
+-Wmissing-prototypes -Wmissing-declarations \
+-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer \
+-ffunction-sections -fdata-sections -fno-guess-branch-probability \
+-funsigned-char \
+-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 \
+-march=i386 -mpreferred-stack-boundary=2 \
+-Wl,-Map -Wl,link.map -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
+httpd_indexcgi.c -o index.cgi
+*/
+
+/* We don't use printf, as it pulls in >12 kb of code from uclibc (i386). */
+/* Currently malloc machinery is the biggest part of libc we pull in. */
+/* We have only one realloc and one strdup, any idea how to do without? */
+
+/* Size (i386, static uclibc, approximate):
+ * text data bss dec hex filename
+ * 13036 44 3052 16132 3f04 index.cgi
+ * 2576 4 2048 4628 1214 index.cgi.o
+ */
+
+#define _GNU_SOURCE 1 /* for strchrnul */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <time.h>
+
+/* Appearance of the table is controlled by style sheet *ONLY*,
+ * formatting code uses <TAG class=CLASS> to apply style
+ * to elements. Edit stylesheet to your liking and recompile. */
+
+#define STYLE_STR \
+"<style>" "\n"\
+"table {" "\n"\
+ "width:100%;" "\n"\
+ "background-color:#fff5ee;" "\n"\
+ "border-width:1px;" /* 1px 1px 1px 1px; */ "\n"\
+ "border-spacing:2px;" "\n"\
+ "border-style:solid;" /* solid solid solid solid; */ "\n"\
+ "border-color:black;" /* black black black black; */ "\n"\
+ "border-collapse:collapse;" "\n"\
+"}" "\n"\
+"th {" "\n"\
+ "border-width:1px;" /* 1px 1px 1px 1px; */ "\n"\
+ "padding:1px;" /* 1px 1px 1px 1px; */ "\n"\
+ "border-style:solid;" /* solid solid solid solid; */ "\n"\
+ "border-color:black;" /* black black black black; */ "\n"\
+"}" "\n"\
+"td {" "\n"\
+ /* top right bottom left */ \
+ "border-width:0px 1px 0px 1px;" "\n"\
+ "padding:1px;" /* 1px 1px 1px 1px; */ "\n"\
+ "border-style:solid;" /* solid solid solid solid; */ "\n"\
+ "border-color:black;" /* black black black black; */ "\n"\
+ "white-space:nowrap;" "\n"\
+"}" "\n"\
+"tr.hdr { background-color:#eee5de; }" "\n"\
+"tr.o { background-color:#ffffff; }" "\n"\
+/* tr.e { ... } - for even rows (currently none) */ \
+"tr.foot { background-color:#eee5de; }" "\n"\
+"th.cnt { text-align:left; }" "\n"\
+"th.sz { text-align:right; }" "\n"\
+"th.dt { text-align:right; }" "\n"\
+"td.sz { text-align:right; }" "\n"\
+"td.dt { text-align:right; }" "\n"\
+"col.nm { width:98%; }" "\n"\
+"col.sz { width:1%; }" "\n"\
+"col.dt { width:1%; }" "\n"\
+"</style>" "\n"\
+
+typedef struct dir_list_t {
+ char *dl_name;
+ mode_t dl_mode;
+ off_t dl_size;
+ time_t dl_mtime;
+} dir_list_t;
+
+static int compare_dl(dir_list_t *a, dir_list_t *b)
+{
+ /* ".." is 'less than' any other dir entry */
+ if (strcmp(a->dl_name, "..") == 0) {
+ return -1;
+ }
+ if (strcmp(b->dl_name, "..") == 0) {
+ return 1;
+ }
+ if (S_ISDIR(a->dl_mode) != S_ISDIR(b->dl_mode)) {
+ /* 1 if b is a dir (and thus a is 'after' b, a > b),
+ * else -1 (a < b) */
+ return (S_ISDIR(b->dl_mode) != 0) ? 1 : -1;
+ }
+ return strcmp(a->dl_name, b->dl_name);
+}
+
+static char buffer[2*1024 > sizeof(STYLE_STR) ? 2*1024 : sizeof(STYLE_STR)];
+static char *dst = buffer;
+enum {
+ BUFFER_SIZE = sizeof(buffer),
+ HEADROOM = 64,
+};
+
+/* After this call, you have at least size + HEADROOM bytes available
+ * ahead of dst */
+static void guarantee(int size)
+{
+ if (buffer + (BUFFER_SIZE-HEADROOM) - dst >= size)
+ return;
+ write(STDOUT_FILENO, buffer, dst - buffer);
+ dst = buffer;
+}
+
+/* NB: formatters do not store terminating NUL! */
+
+/* HEADROOM bytes are available after dst after this call */
+static void fmt_str(/*char *dst,*/ const char *src)
+{
+ unsigned len = strlen(src);
+ guarantee(len);
+ memcpy(dst, src, len);
+ dst += len;
+}
+
+/* HEADROOM bytes after dst are available after this call */
+static void fmt_url(/*char *dst,*/ const char *name)
+{
+ while (*name) {
+ unsigned c = *name++;
+ guarantee(3);
+ *dst = c;
+ if ((c - '0') > 9 /* not a digit */
+ && ((c|0x20) - 'a') > ('z' - 'a') /* not A-Z or a-z */
+ && !strchr("._-+@", c)
+ ) {
+ *dst++ = '%';
+ *dst++ = "0123456789ABCDEF"[c >> 4];
+ *dst = "0123456789ABCDEF"[c & 0xf];
+ }
+ dst++;
+ }
+}
+
+/* HEADROOM bytes are available after dst after this call */
+static void fmt_html(/*char *dst,*/ const char *name)
+{
+ while (*name) {
+ char c = *name++;
+ if (c == '<')
+ fmt_str("<");
+ else if (c == '>')
+ fmt_str(">");
+ else if (c == '&') {
+ fmt_str("&");
+ } else {
+ guarantee(1);
+ *dst++ = c;
+ continue;
+ }
+ }
+}
+
+/* HEADROOM bytes are available after dst after this call */
+static void fmt_ull(/*char *dst,*/ unsigned long long n)
+{
+ char buf[sizeof(n)*3 + 2];
+ char *p;
+
+ p = buf + sizeof(buf) - 1;
+ *p = '\0';
+ do {
+ *--p = (n % 10) + '0';
+ n /= 10;
+ } while (n);
+ fmt_str(/*dst,*/ p);
+}
+
+/* Does not call guarantee - eats into headroom instead */
+static void fmt_02u(/*char *dst,*/ unsigned n)
+{
+ /* n %= 100; - not needed, callers don't pass big n */
+ dst[0] = (n / 10) + '0';
+ dst[1] = (n % 10) + '0';
+ dst += 2;
+}
+
+/* Does not call guarantee - eats into headroom instead */
+static void fmt_04u(/*char *dst,*/ unsigned n)
+{
+ /* n %= 10000; - not needed, callers don't pass big n */
+ fmt_02u(n / 100);
+ fmt_02u(n % 100);
+}
+
+int main(int argc, char *argv[])
+{
+ dir_list_t *dir_list;
+ dir_list_t *cdir;
+ unsigned dir_list_count;
+ unsigned count_dirs;
+ unsigned count_files;
+ unsigned long long size_total;
+ int odd;
+ DIR *dirp;
+ char *location;
+
+ location = getenv("REQUEST_URI");
+ if (!location)
+ return 1;
+
+ /* drop URL arguments if any */
+ strchrnul(location, '?')[0] = '\0';
+
+ if (location[0] != '/'
+ || strstr(location, "//")
+ || strstr(location, "/../")
+ || strcmp(strrchr(location, '/'), "/..") == 0
+ ) {
+ return 1;
+ }
+
+ if (chdir("..")
+ || (location[1] && chdir(location + 1))
+ ) {
+ return 1;
+ }
+
+ dirp = opendir(".");
+ if (!dirp)
+ return 1;
+ dir_list = NULL;
+ dir_list_count = 0;
+ while (1) {
+ struct dirent *dp;
+ struct stat sb;
+
+ dp = readdir(dirp);
+ if (!dp)
+ break;
+ if (dp->d_name[0] == '.' && !dp->d_name[1])
+ continue;
+ if (stat(dp->d_name, &sb) != 0)
+ continue;
+ dir_list = realloc(dir_list, (dir_list_count + 1) * sizeof(dir_list[0]));
+ dir_list[dir_list_count].dl_name = strdup(dp->d_name);
+ dir_list[dir_list_count].dl_mode = sb.st_mode;
+ dir_list[dir_list_count].dl_size = sb.st_size;
+ dir_list[dir_list_count].dl_mtime = sb.st_mtime;
+ dir_list_count++;
+ }
+ closedir(dirp);
+
+ qsort(dir_list, dir_list_count, sizeof(dir_list[0]), (void*)compare_dl);
+
+ fmt_str(
+ "" /* Additional headers (currently none) */
+ "\r\n" /* Mandatory empty line after headers */
+ "<html><head><title>Index of ");
+ /* Guard against directories with &, > etc */
+ fmt_html(location);
+ fmt_str(
+ "</title>\n"
+ STYLE_STR
+ "</head>" "\n"
+ "<body>" "\n"
+ "<h1>Index of ");
+ fmt_html(location);
+ fmt_str(
+ "</h1>" "\n"
+ "<table>" "\n"
+ "<col class=nm><col class=sz><col class=dt>" "\n"
+ "<tr class=hdr><th class=cnt>Name<th class=sz>Size<th class=dt>Last modified" "\n");
+
+ odd = 0;
+ count_dirs = 0;
+ count_files = 0;
+ size_total = 0;
+ cdir = dir_list;
+ while (dir_list_count--) {
+ struct tm *ptm;
+
+ if (S_ISDIR(cdir->dl_mode)) {
+ count_dirs++;
+ } else if (S_ISREG(cdir->dl_mode)) {
+ count_files++;
+ size_total += cdir->dl_size;
+ } else
+ goto next;
+
+ fmt_str("<tr class=");
+ *dst++ = (odd ? 'o' : 'e');
+ fmt_str("><td class=nm><a href='");
+ fmt_url(cdir->dl_name); /* %20 etc */
+ if (S_ISDIR(cdir->dl_mode))
+ *dst++ = '/';
+ fmt_str("'>");
+ fmt_html(cdir->dl_name); /* < etc */
+ if (S_ISDIR(cdir->dl_mode))
+ *dst++ = '/';
+ fmt_str("</a><td class=sz>");
+ if (S_ISREG(cdir->dl_mode))
+ fmt_ull(cdir->dl_size);
+ fmt_str("<td class=dt>");
+ ptm = gmtime(&cdir->dl_mtime);
+ fmt_04u(1900 + ptm->tm_year); *dst++ = '-';
+ fmt_02u(ptm->tm_mon + 1); *dst++ = '-';
+ fmt_02u(ptm->tm_mday); *dst++ = ' ';
+ fmt_02u(ptm->tm_hour); *dst++ = ':';
+ fmt_02u(ptm->tm_min); *dst++ = ':';
+ fmt_02u(ptm->tm_sec);
+ *dst++ = '\n';
+
+ odd = 1 - odd;
+ next:
+ cdir++;
+ }
+
+ fmt_str("<tr class=foot><th class=cnt>Files: ");
+ fmt_ull(count_files);
+ /* count_dirs - 1: we don't want to count ".." */
+ fmt_str(", directories: ");
+ fmt_ull(count_dirs - 1);
+ fmt_str("<th class=sz>");
+ fmt_ull(size_total);
+ fmt_str("<th class=dt>\n");
+ /* "</table></body></html>" - why bother? */
+ guarantee(BUFFER_SIZE * 2); /* flush */
+
+ return 0;
+}