| d7ce7006 |
1 | /*\r |
| 2 | * Copyright (c) 1996, 1998 by Internet Software Consortium.\r |
| 3 | *\r |
| 4 | * Permission to use, copy, modify, and distribute this software for any\r |
| 5 | * purpose with or without fee is hereby granted, provided that the above\r |
| 6 | * copyright notice and this permission notice appear in all copies.\r |
| 7 | *\r |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS\r |
| 9 | * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES\r |
| 10 | * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE\r |
| 11 | * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL\r |
| 12 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR\r |
| 13 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS\r |
| 14 | * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS\r |
| 15 | * SOFTWARE.\r |
| 16 | */\r |
| 17 | \r |
| d7ce7006 |
18 | #include <sys/types.h>\r |
| 19 | #include <sys/param.h>\r |
| 20 | #include <sys/socket.h>\r |
| 21 | #include <netinet/in.h>\r |
| 22 | #include <arpa/inet.h>\r |
| 23 | #include <arpa/nameser.h>\r |
| 24 | #include <ctype.h>\r |
| 25 | #include <resolv.h>\r |
| 26 | \r |
| 27 | static char\r |
| 28 | xtob(\r |
| 29 | register int c\r |
| 30 | )\r |
| 31 | {\r |
| 32 | return (char)(c - (((c >= '0') && (c <= '9')) ? '0' : '7'));\r |
| 33 | }\r |
| 34 | \r |
| 35 | u_int\r |
| 36 | inet_nsap_addr(\r |
| 37 | const char *ascii,\r |
| 38 | u_char *binary,\r |
| 39 | int maxlen\r |
| 40 | )\r |
| 41 | {\r |
| 42 | u_char c, nib;\r |
| 43 | u_int len = 0;\r |
| 44 | \r |
| 45 | while ((c = *ascii++) != '\0' && len < (u_int)maxlen) {\r |
| 46 | if (c == '.' || c == '+' || c == '/')\r |
| 47 | continue;\r |
| 48 | if (!isascii(c))\r |
| 49 | return (0);\r |
| 50 | if (islower(c))\r |
| 51 | c = (u_char)( toupper(c));\r |
| 52 | if (isxdigit(c)) {\r |
| 53 | nib = xtob(c);\r |
| 54 | c = *ascii++;\r |
| 55 | if (c != '\0') {\r |
| 56 | c = (u_char)( toupper(c));\r |
| 57 | if (isxdigit(c)) {\r |
| 58 | *binary++ = (nib << 4) | xtob(c);\r |
| 59 | len++;\r |
| 60 | } else\r |
| 61 | return (0);\r |
| 62 | }\r |
| 63 | else\r |
| 64 | return (0);\r |
| 65 | }\r |
| 66 | else\r |
| 67 | return (0);\r |
| 68 | }\r |
| 69 | return (len);\r |
| 70 | }\r |
| 71 | \r |
| 72 | char *\r |
| 73 | inet_nsap_ntoa(\r |
| 74 | int binlen,\r |
| 75 | register const u_char *binary,\r |
| 76 | register char *ascii\r |
| 77 | )\r |
| 78 | {\r |
| 79 | register int nib;\r |
| 80 | int i;\r |
| 81 | static char tmpbuf[255*3];\r |
| 82 | char *start;\r |
| 83 | \r |
| 84 | if (ascii)\r |
| 85 | start = ascii;\r |
| 86 | else {\r |
| 87 | ascii = tmpbuf;\r |
| 88 | start = tmpbuf;\r |
| 89 | }\r |
| 90 | \r |
| 91 | if (binlen > 255)\r |
| 92 | binlen = 255;\r |
| 93 | \r |
| 94 | for (i = 0; i < binlen; i++) {\r |
| 95 | nib = *binary >> 4;\r |
| 96 | *ascii++ = (char)( nib + (nib < 10 ? '0' : '7'));\r |
| 97 | nib = *binary++ & 0x0f;\r |
| 98 | *ascii++ = (char)( nib + (nib < 10 ? '0' : '7'));\r |
| 99 | if (((i % 2) == 0 && (i + 1) < binlen))\r |
| 100 | *ascii++ = '.';\r |
| 101 | }\r |
| 102 | *ascii = '\0';\r |
| 103 | return (start);\r |
| 104 | }\r |
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