General Public License for more details.
*/
-#include "config.h"
-
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sprintf_alloc.h"
#include "file_util.h"
-#ifdef HAVE_MD5
-#include "md5.h"
-#endif
+#include <libubox/md5.h>
#include "libbb/libbb.h"
-#if defined HAVE_SHA256
#include "sha256.h"
-#endif
int file_exists(const char *file_name)
{
*/
char *file_read_line_alloc(FILE * fp)
{
+ size_t buf_len, line_size;
char buf[BUFSIZ];
- unsigned int buf_len;
char *line = NULL;
- unsigned int line_size = 0;
int got_nl = 0;
- buf[0] = '\0';
-
while (fgets(buf, BUFSIZ, fp)) {
buf_len = strlen(buf);
- if (buf[buf_len - 1] == '\n') {
+ if (buf_len > 0 && buf[buf_len - 1] == '\n') {
buf_len--;
buf[buf_len] = '\0';
got_nl = 1;
return make_directory(path, mode, FILEUTILS_RECUR);
}
-#ifdef HAVE_MD5
+
+static int hex2bin(unsigned char x)
+{
+ if (x >= 'a' && x <= 'f')
+ return x - 'a' + 10;
+ else if (x >= 'A' && x <= 'F')
+ return x - 'A' + 10;
+ else if (x >= '0' && x <= '9')
+ return x - '0';
+ else
+ return 0;
+}
+
+static const unsigned char bin2hex[16] = {
+ '0', '1', '2', '3',
+ '4', '5', '6', '7',
+ '8', '9', 'a', 'b',
+ 'c', 'd', 'e', 'f'
+};
+
char *file_md5sum_alloc(const char *file_name)
{
static const int md5sum_bin_len = 16;
static const int md5sum_hex_len = 32;
- static const unsigned char bin2hex[16] = {
- '0', '1', '2', '3',
- '4', '5', '6', '7',
- '8', '9', 'a', 'b',
- 'c', 'd', 'e', 'f'
- };
-
- int i, err;
- FILE *file;
+ int i, len;
char *md5sum_hex;
unsigned char md5sum_bin[md5sum_bin_len];
- md5sum_hex = xcalloc(1, md5sum_hex_len + 1);
+ len = md5sum(file_name, md5sum_bin);
- file = fopen(file_name, "r");
- if (file == NULL) {
- opkg_perror(ERROR, "Failed to open file %s", file_name);
- free(md5sum_hex);
- return NULL;
- }
-
- err = md5_stream(file, md5sum_bin);
- if (err) {
+ if (len) {
opkg_msg(ERROR, "Could't compute md5sum for %s.\n", file_name);
- fclose(file);
- free(md5sum_hex);
return NULL;
}
- fclose(file);
+ md5sum_hex = xcalloc(1, md5sum_hex_len + 1);
for (i = 0; i < md5sum_bin_len; i++) {
md5sum_hex[i * 2] = bin2hex[md5sum_bin[i] >> 4];
return md5sum_hex;
}
-#endif
-#ifdef HAVE_SHA256
char *file_sha256sum_alloc(const char *file_name)
{
static const int sha256sum_bin_len = 32;
static const int sha256sum_hex_len = 64;
- static const unsigned char bin2hex[16] = {
- '0', '1', '2', '3',
- '4', '5', '6', '7',
- '8', '9', 'a', 'b',
- 'c', 'd', 'e', 'f'
- };
-
int i, err;
FILE *file;
char *sha256sum_hex;
return sha256sum_hex;
}
-#endif
-
char *checksum_bin2hex(const char *src, size_t len)
{
- char *p;
- static char buf[65];
- static const unsigned char bin2hex[16] = {
- '0', '1', '2', '3',
- '4', '5', '6', '7',
- '8', '9', 'a', 'b',
- 'c', 'd', 'e', 'f'
- };
-
- if (len > 32)
+ unsigned char *p;
+ static unsigned char buf[65];
+ const unsigned char *s = (unsigned char *)src;
+ if (!s || len > 32)
return NULL;
- for (p = buf; len > 0; src++, len--) {
- *p++ = bin2hex[*src / 16];
- *p++ = bin2hex[*src % 16];
+ for (p = buf; len > 0; s++, len--) {
+ *p++ = bin2hex[*s / 16];
+ *p++ = bin2hex[*s % 16];
}
*p = 0;
- return buf;
+ return (char *)buf;
}
char *checksum_hex2bin(const char *src, size_t *len)
{
- char *p;
- size_t slen;
- static char buf[32];
+ static unsigned char buf[32];
+ size_t n = 0;
+
+ *len = 0;
+
+ if (!src)
+ return NULL;
while (isspace(*src))
src++;
- slen = strlen(src);
-
- if (slen > 64) {
- *len = 0;
+ if (strlen(src) > sizeof(buf) * 2)
return NULL;
- }
-#define hex(c) \
- (c >= 'a' ? (c - 'a') : (c >= 'A' ? (c - 'A') : (c - '0')))
+ while (*src) {
+ if (n >= sizeof(buf) || !isxdigit(src[0]) || !isxdigit(src[1]))
+ return NULL;
- for (p = buf, *len = 0;
- slen > 0 && isxdigit(src[0]) && isxdigit(src[1]);
- slen--, src += 2, (*len)++)
- *p++ = hex(src[0]) * 16 + hex(src[1]);
+ buf[n++] = hex2bin(src[0]) * 16 + hex2bin(src[1]);
+ src += 2;
+ }
- return buf;
+ *len = n;
+ return n ? (char *)buf : NULL;
}
int rm_r(const char *path)
return ret;
}
+
+static int urlencode_is_specialchar(char c)
+{
+ switch (c) {
+ case ':':
+ case '?':
+ case '#':
+ case '[':
+ case ']':
+ case '@':
+ case '!':
+ case '$':
+ case '&':
+ case '\'':
+ case '(':
+ case ')':
+ case '*':
+ case '+':
+ case ',':
+ case ';':
+ case '=':
+ case '%':
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+char *urlencode_path(const char *filename)
+{
+ size_t len = 0;
+ const unsigned char *in;
+ unsigned char *copy, *out;
+
+ for (in = (unsigned char *)filename; *in != 0; in++)
+ len += urlencode_is_specialchar(*in) ? 3 : 1;
+
+ copy = xcalloc(1, len + 1);
+
+ for (in = (unsigned char *)filename, out = copy; *in != 0; in++) {
+ if (urlencode_is_specialchar(*in)) {
+ *out++ = '%';
+ *out++ = bin2hex[*in / 16];
+ *out++ = bin2hex[*in % 16];
+ }
+ else {
+ *out++ = *in;
+ }
+ }
+
+ return (char *)copy;
+}
+
+char *urldecode_path(const char *filename)
+{
+ unsigned char *copy = (unsigned char *)xstrdup(filename);
+ unsigned char *in, *out;
+
+ for (in = copy, out = copy; *in != 0; in++) {
+ if (*in == '%' && isxdigit(in[1]) && isxdigit(in[2])) {
+ *out++ = hex2bin(in[1]) * 16 + hex2bin(in[2]);
+ in += 2;
+ }
+ else {
+ *out++ = *in;
+ }
+ }
+
+ *out = 0;
+
+ return (char *)copy;
+}
projects / project / opkg-lede.git / blobdiff