Loading lib/base64.c +136 −107 Original line number Diff line number Diff line /***************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * The Original Code is Curl. * * The Initial Developer of the Original Code is Daniel Stenberg. /* * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Portions created by the Initial Developer are Copyright (C) 1998. * All Rights Reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * ------------------------------------------------------------ * Main author: * - Daniel Stenberg <daniel@haxx.se> * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * http://curl.haxx.se * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * $Source$ * $Revision$ * $Date$ * $Author$ * $State$ * $Locker$ * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * ------------------------------------------------------------ ****************************************************************************/ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <stdio.h> #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdlib.h> #include <string.h> #include "base64.h" /* ---- Base64 Encoding --- */ static char table64[]= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; /* * base64Encode() * * Returns the length of the newly created base64 string. The third argument * is a pointer to an allocated area holding the base64 data. If something * went wrong, -1 is returned. * * Modifed my version to resemble the krb4 one. The krb4 sources then won't * need its own. * */ int base64Encode(char *indata, int insize, char **outptr) static int pos(char c) { unsigned char ibuf[3]; unsigned char obuf[4]; int i; int inputparts; char *output; char *base64data; char *p; for(p = base64; *p; p++) if(*p == c) return p - base64; return -1; } if(0 == insize) insize = strlen(indata); #if 1 int base64_encode(const void *data, int size, char **str) { char *s, *p; int i; int c; const unsigned char *q; base64data = output = (char*)malloc(insize*4/3+4); if(NULL == output) p = s = (char*)malloc(size*4/3+4); if (p == NULL) return -1; while(insize > 0) { for (i = inputparts = 0; i < 3; i++) { if(*indata) { inputparts++; ibuf[i] = *indata; indata++; insize--; q = (const unsigned char*)data; i=0; for(i = 0; i < size;){ c=q[i++]; c*=256; if(i < size) c+=q[i]; i++; c*=256; if(i < size) c+=q[i]; i++; p[0]=base64[(c&0x00fc0000) >> 18]; p[1]=base64[(c&0x0003f000) >> 12]; p[2]=base64[(c&0x00000fc0) >> 6]; p[3]=base64[(c&0x0000003f) >> 0]; if(i > size) p[3]='='; if(i > size+1) p[2]='='; p+=4; } else ibuf[i] = 0; *p=0; *str = s; return strlen(s); } #endif obuf [0] = (ibuf [0] & 0xFC) >> 2; obuf [1] = ((ibuf [0] & 0x03) << 4) | ((ibuf [1] & 0xF0) >> 4); obuf [2] = ((ibuf [1] & 0x0F) << 2) | ((ibuf [2] & 0xC0) >> 6); obuf [3] = ibuf [2] & 0x3F; switch(inputparts) { case 1: /* only one byte read */ sprintf(output, "%c%c==", table64[obuf[0]], table64[obuf[1]]); break; case 2: /* two bytes read */ sprintf(output, "%c%c%c=", table64[obuf[0]], table64[obuf[1]], table64[obuf[2]]); break; default: sprintf(output, "%c%c%c%c", table64[obuf[0]], table64[obuf[1]], table64[obuf[2]], table64[obuf[3]] ); int base64_decode(const char *str, void *data) { const char *p; unsigned char *q; int c; int x; int done = 0; q=(unsigned char*)data; for(p=str; *p && !done; p+=4){ x = pos(p[0]); if(x >= 0) c = x; else{ done = 3; break; } output += 4; c*=64; x = pos(p[1]); if(x >= 0) c += x; else return -1; c*=64; if(p[2] == '=') done++; else{ x = pos(p[2]); if(x >= 0) c += x; else return -1; } c*=64; if(p[3] == '=') done++; else{ if(done) return -1; x = pos(p[3]); if(x >= 0) c += x; else return -1; } *output=0; *outptr = base64data; /* make it return the actual data memory */ if(done < 3) *q++=(c&0x00ff0000)>>16; return strlen(base64data); /* return the length of the new data */ if(done < 2) *q++=(c&0x0000ff00)>>8; if(done < 1) *q++=(c&0x000000ff)>>0; } return q - (unsigned char*)data; } /* ---- End of Base64 Encoding ---- */ lib/base64.h +35 −40 Original line number Diff line number Diff line /* * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef __BASE64_H #define __BASE64_H /***************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * The Original Code is Curl. * * The Initial Developer of the Original Code is Daniel Stenberg. * * Portions created by the Initial Developer are Copyright (C) 1998. * All Rights Reserved. * * ------------------------------------------------------------ * Main author: * - Daniel Stenberg <daniel@haxx.se> * * http://curl.haxx.se * * $Source$ * $Revision$ * $Date$ * $Author$ * $State$ * $Locker$ * * ------------------------------------------------------------ ****************************************************************************/ int base64Encode(char *indata, int insize, char **output); int base64_encode(const void *data, int size, char **str); #endif lib/base64_krb.cdeleted 100644 → 0 +0 −147 Original line number Diff line number Diff line /* * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdlib.h> #include <string.h> #include "base64_krb.h" static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static int pos(char c) { char *p; for(p = base64; *p; p++) if(*p == c) return p - base64; return -1; } #if 1 int base64_encode(const void *data, int size, char **str) { char *s, *p; int i; int c; const unsigned char *q; p = s = (char*)malloc(size*4/3+4); if (p == NULL) return -1; q = (const unsigned char*)data; i=0; for(i = 0; i < size;){ c=q[i++]; c*=256; if(i < size) c+=q[i]; i++; c*=256; if(i < size) c+=q[i]; i++; p[0]=base64[(c&0x00fc0000) >> 18]; p[1]=base64[(c&0x0003f000) >> 12]; p[2]=base64[(c&0x00000fc0) >> 6]; p[3]=base64[(c&0x0000003f) >> 0]; if(i > size) p[3]='='; if(i > size+1) p[2]='='; p+=4; } *p=0; *str = s; return strlen(s); } #endif int base64_decode(const char *str, void *data) { const char *p; unsigned char *q; int c; int x; int done = 0; q=(unsigned char*)data; for(p=str; *p && !done; p+=4){ x = pos(p[0]); if(x >= 0) c = x; else{ done = 3; break; } c*=64; x = pos(p[1]); if(x >= 0) c += x; else return -1; c*=64; if(p[2] == '=') done++; else{ x = pos(p[2]); if(x >= 0) c += x; else return -1; } c*=64; if(p[3] == '=') done++; else{ if(done) return -1; x = pos(p[3]); if(x >= 0) c += x; else return -1; } if(done < 3) *q++=(c&0x00ff0000)>>16; if(done < 2) *q++=(c&0x0000ff00)>>8; if(done < 1) *q++=(c&0x000000ff)>>0; } return q - (unsigned char*)data; } lib/base64_krb.hdeleted 100644 → 0 +0 −47 Original line number Diff line number Diff line /* * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $Id$ */ #ifndef _BASE64_H_ #define _BASE64_H_ #if 1 int base64_encode(const void *data, int size, char **str); #else #define base64_encode(x,y,z) base64Encode(x,y,z) #endif int base64_decode(const char *str, void *data); #endif Loading
lib/base64.c +136 −107 Original line number Diff line number Diff line /***************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * The Original Code is Curl. * * The Initial Developer of the Original Code is Daniel Stenberg. /* * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Portions created by the Initial Developer are Copyright (C) 1998. * All Rights Reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * ------------------------------------------------------------ * Main author: * - Daniel Stenberg <daniel@haxx.se> * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * http://curl.haxx.se * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * $Source$ * $Revision$ * $Date$ * $Author$ * $State$ * $Locker$ * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * ------------------------------------------------------------ ****************************************************************************/ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <stdio.h> #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdlib.h> #include <string.h> #include "base64.h" /* ---- Base64 Encoding --- */ static char table64[]= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; /* * base64Encode() * * Returns the length of the newly created base64 string. The third argument * is a pointer to an allocated area holding the base64 data. If something * went wrong, -1 is returned. * * Modifed my version to resemble the krb4 one. The krb4 sources then won't * need its own. * */ int base64Encode(char *indata, int insize, char **outptr) static int pos(char c) { unsigned char ibuf[3]; unsigned char obuf[4]; int i; int inputparts; char *output; char *base64data; char *p; for(p = base64; *p; p++) if(*p == c) return p - base64; return -1; } if(0 == insize) insize = strlen(indata); #if 1 int base64_encode(const void *data, int size, char **str) { char *s, *p; int i; int c; const unsigned char *q; base64data = output = (char*)malloc(insize*4/3+4); if(NULL == output) p = s = (char*)malloc(size*4/3+4); if (p == NULL) return -1; while(insize > 0) { for (i = inputparts = 0; i < 3; i++) { if(*indata) { inputparts++; ibuf[i] = *indata; indata++; insize--; q = (const unsigned char*)data; i=0; for(i = 0; i < size;){ c=q[i++]; c*=256; if(i < size) c+=q[i]; i++; c*=256; if(i < size) c+=q[i]; i++; p[0]=base64[(c&0x00fc0000) >> 18]; p[1]=base64[(c&0x0003f000) >> 12]; p[2]=base64[(c&0x00000fc0) >> 6]; p[3]=base64[(c&0x0000003f) >> 0]; if(i > size) p[3]='='; if(i > size+1) p[2]='='; p+=4; } else ibuf[i] = 0; *p=0; *str = s; return strlen(s); } #endif obuf [0] = (ibuf [0] & 0xFC) >> 2; obuf [1] = ((ibuf [0] & 0x03) << 4) | ((ibuf [1] & 0xF0) >> 4); obuf [2] = ((ibuf [1] & 0x0F) << 2) | ((ibuf [2] & 0xC0) >> 6); obuf [3] = ibuf [2] & 0x3F; switch(inputparts) { case 1: /* only one byte read */ sprintf(output, "%c%c==", table64[obuf[0]], table64[obuf[1]]); break; case 2: /* two bytes read */ sprintf(output, "%c%c%c=", table64[obuf[0]], table64[obuf[1]], table64[obuf[2]]); break; default: sprintf(output, "%c%c%c%c", table64[obuf[0]], table64[obuf[1]], table64[obuf[2]], table64[obuf[3]] ); int base64_decode(const char *str, void *data) { const char *p; unsigned char *q; int c; int x; int done = 0; q=(unsigned char*)data; for(p=str; *p && !done; p+=4){ x = pos(p[0]); if(x >= 0) c = x; else{ done = 3; break; } output += 4; c*=64; x = pos(p[1]); if(x >= 0) c += x; else return -1; c*=64; if(p[2] == '=') done++; else{ x = pos(p[2]); if(x >= 0) c += x; else return -1; } c*=64; if(p[3] == '=') done++; else{ if(done) return -1; x = pos(p[3]); if(x >= 0) c += x; else return -1; } *output=0; *outptr = base64data; /* make it return the actual data memory */ if(done < 3) *q++=(c&0x00ff0000)>>16; return strlen(base64data); /* return the length of the new data */ if(done < 2) *q++=(c&0x0000ff00)>>8; if(done < 1) *q++=(c&0x000000ff)>>0; } return q - (unsigned char*)data; } /* ---- End of Base64 Encoding ---- */
lib/base64.h +35 −40 Original line number Diff line number Diff line /* * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef __BASE64_H #define __BASE64_H /***************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * The contents of this file are subject to the Mozilla Public License * Version 1.0 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the * License for the specific language governing rights and limitations * under the License. * * The Original Code is Curl. * * The Initial Developer of the Original Code is Daniel Stenberg. * * Portions created by the Initial Developer are Copyright (C) 1998. * All Rights Reserved. * * ------------------------------------------------------------ * Main author: * - Daniel Stenberg <daniel@haxx.se> * * http://curl.haxx.se * * $Source$ * $Revision$ * $Date$ * $Author$ * $State$ * $Locker$ * * ------------------------------------------------------------ ****************************************************************************/ int base64Encode(char *indata, int insize, char **output); int base64_encode(const void *data, int size, char **str); #endif
lib/base64_krb.cdeleted 100644 → 0 +0 −147 Original line number Diff line number Diff line /* * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <stdlib.h> #include <string.h> #include "base64_krb.h" static char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; static int pos(char c) { char *p; for(p = base64; *p; p++) if(*p == c) return p - base64; return -1; } #if 1 int base64_encode(const void *data, int size, char **str) { char *s, *p; int i; int c; const unsigned char *q; p = s = (char*)malloc(size*4/3+4); if (p == NULL) return -1; q = (const unsigned char*)data; i=0; for(i = 0; i < size;){ c=q[i++]; c*=256; if(i < size) c+=q[i]; i++; c*=256; if(i < size) c+=q[i]; i++; p[0]=base64[(c&0x00fc0000) >> 18]; p[1]=base64[(c&0x0003f000) >> 12]; p[2]=base64[(c&0x00000fc0) >> 6]; p[3]=base64[(c&0x0000003f) >> 0]; if(i > size) p[3]='='; if(i > size+1) p[2]='='; p+=4; } *p=0; *str = s; return strlen(s); } #endif int base64_decode(const char *str, void *data) { const char *p; unsigned char *q; int c; int x; int done = 0; q=(unsigned char*)data; for(p=str; *p && !done; p+=4){ x = pos(p[0]); if(x >= 0) c = x; else{ done = 3; break; } c*=64; x = pos(p[1]); if(x >= 0) c += x; else return -1; c*=64; if(p[2] == '=') done++; else{ x = pos(p[2]); if(x >= 0) c += x; else return -1; } c*=64; if(p[3] == '=') done++; else{ if(done) return -1; x = pos(p[3]); if(x >= 0) c += x; else return -1; } if(done < 3) *q++=(c&0x00ff0000)>>16; if(done < 2) *q++=(c&0x0000ff00)>>8; if(done < 1) *q++=(c&0x000000ff)>>0; } return q - (unsigned char*)data; }
lib/base64_krb.hdeleted 100644 → 0 +0 −47 Original line number Diff line number Diff line /* * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $Id$ */ #ifndef _BASE64_H_ #define _BASE64_H_ #if 1 int base64_encode(const void *data, int size, char **str); #else #define base64_encode(x,y,z) base64Encode(x,y,z) #endif int base64_decode(const char *str, void *data); #endif
