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-rw-r--r--src/inputStream_http_auth.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/inputStream_http_auth.h b/src/inputStream_http_auth.h
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+++ b/src/inputStream_http_auth.h
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+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* This file is only included by inputStream_http.c */
+#ifndef INPUT_STREAM_HTTP_AUTH_H
+#define INPUT_STREAM_HTTP_AUTH_H
+
+#include "os_compat.h"
+#include "utils.h"
+
+/* base64 code taken from xmms */
+
+#define BASE64_LENGTH(len) (4 * (((len) + 2) / 3))
+
+static char *base64Dup(char *s)
+{
+ int i;
+ int len = strlen(s);
+ char *ret = xcalloc(BASE64_LENGTH(len) + 1, 1);
+ unsigned char *p = (unsigned char *)ret;
+
+ static const char tbl[64] = {
+ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+ 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+ 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
+ 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
+ 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
+ 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
+ 'w', 'x', 'y', 'z', '0', '1', '2', '3',
+ '4', '5', '6', '7', '8', '9', '+', '/'
+ };
+
+ /* Transform the 3x8 bits to 4x6 bits, as required by base64. */
+ for (i = 0; i < len; i += 3) {
+ *p++ = tbl[s[0] >> 2];
+ *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)];
+ *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)];
+ *p++ = tbl[s[2] & 0x3f];
+ s += 3;
+ }
+ /* Pad the result if necessary... */
+ if (i == len + 1)
+ *(p - 1) = '=';
+ else if (i == len + 2)
+ *(p - 1) = *(p - 2) = '=';
+ /* ...and zero-terminate it. */
+ *p = '\0';
+
+ return ret;
+}
+
+static char *authString(const char *header,
+ const char *user, const char *password)
+{
+ char *ret = NULL;
+ int templen;
+ char *temp;
+ char *temp64;
+
+ if (!user || !password)
+ return NULL;
+
+ templen = strlen(user) + strlen(password) + 2;
+ temp = xmalloc(templen);
+ strcpy(temp, user);
+ strcat(temp, ":");
+ strcat(temp, password);
+ temp64 = base64Dup(temp);
+ free(temp);
+
+ ret = xmalloc(strlen(temp64) + strlen(header) + 3);
+ strcpy(ret, header);
+ strcat(ret, temp64);
+ strcat(ret, "\r\n");
+ free(temp64);
+
+ return ret;
+}
+
+#define PROXY_AUTH_HEADER "Proxy-Authorization: Basic "
+#define HTTP_AUTH_HEADER "Authorization: Basic "
+
+#define proxyAuthString(x, y) authString(PROXY_AUTH_HEADER, x, y)
+#define httpAuthString(x, y) authString(HTTP_AUTH_HEADER, x, y)
+
+#endif /* INPUT_STREAM_HTTP_AUTH_H */