| 1 | /* |
| 2 | ** Copyright 2002-2009 Double Precision, Inc. See COPYING for |
| 3 | ** distribution information. |
| 4 | */ |
| 5 | |
| 6 | #if HAVE_CONFIG_H |
| 7 | #include "courier_auth_config.h" |
| 8 | #endif |
| 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | #include <errno.h> |
| 13 | #include <pwd.h> |
| 14 | #if HAVE_UNISTD_H |
| 15 | #include <unistd.h> |
| 16 | #endif |
| 17 | |
| 18 | #include "auth.h" |
| 19 | |
| 20 | static const char rcsid[]="$Id: authoption.c,v 1.4 2009/11/22 03:42:48 mrsam Exp $"; |
| 21 | |
| 22 | |
| 23 | int auth_getoptionenvint(const char *keyword) |
| 24 | { |
| 25 | char *p = auth_getoptionenv(keyword); |
| 26 | int i; |
| 27 | |
| 28 | if (!p) return 0; |
| 29 | |
| 30 | i = atoi(p); |
| 31 | |
| 32 | if (i == 0 && strchr("tTyY", *p)) |
| 33 | i=1; /* Convert 'true', 'TRUE', 'yes', 'YES' to 1 */ |
| 34 | free(p); |
| 35 | return i; |
| 36 | } |
| 37 | |
| 38 | char *auth_getoptionenv(const char *keyword) |
| 39 | { |
| 40 | return auth_getoption(getenv("OPTIONS"), keyword); |
| 41 | } |
| 42 | |
| 43 | char *auth_getoption(const char *options, const char *keyword) |
| 44 | { |
| 45 | size_t keyword_l=strlen(keyword); |
| 46 | char *p; |
| 47 | |
| 48 | while (options) |
| 49 | { |
| 50 | if (strncmp(options, keyword, keyword_l) == 0) |
| 51 | { |
| 52 | if (options[keyword_l] == 0 || |
| 53 | options[keyword_l] == ',') |
| 54 | return strdup(""); |
| 55 | |
| 56 | if (options[keyword_l] == '=') |
| 57 | { |
| 58 | options += keyword_l; |
| 59 | ++options; |
| 60 | |
| 61 | for (keyword_l=0; |
| 62 | options[keyword_l] && |
| 63 | options[keyword_l] != ','; |
| 64 | ++keyword_l) |
| 65 | ; |
| 66 | |
| 67 | if (!(p=malloc(keyword_l+1))) |
| 68 | return NULL; |
| 69 | memcpy(p, options, keyword_l); |
| 70 | p[keyword_l]=0; |
| 71 | return p; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | options=strchr(options, ','); |
| 76 | if (options) |
| 77 | ++options; |
| 78 | } |
| 79 | errno=ENOENT; |
| 80 | return NULL; |
| 81 | } |