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Diffstat (limited to 'src/inputStream_http_auth.h')
| -rw-r--r-- | src/inputStream_http_auth.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/inputStream_http_auth.h b/src/inputStream_http_auth.h new file mode 100644 index 000000000..db4fb4584 --- /dev/null +++ b/src/inputStream_http_auth.h @@ -0,0 +1,101 @@ +/* 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 */ |