1 /* 2 * uhttpd - Tiny single-threaded httpd 3 * 4 * Copyright (C) 2010-2013 Jo-Philipp Wich <xm@subsignal.org> 5 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org> 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #ifndef _UHTTPD_UTILS_ 21 22 #include <sys/stat.h> 23 24 #include <stdarg.h> 25 #include <fcntl.h> 26 #include <pwd.h> 27 #include <stdio.h> 28 #include <string.h> 29 #include <errno.h> 30 #include <stdlib.h> 31 #include <alloca.h> 32 #include <time.h> 33 #include <unistd.h> 34 35 struct uh_addr { 36 uint8_t family; 37 uint16_t port; 38 union { 39 struct in_addr in; 40 struct in6_addr in6; 41 }; 42 }; 43 44 #define min(x, y) (((x) < (y)) ? (x) : (y)) 45 #define max(x, y) (((x) > (y)) ? (x) : (y)) 46 47 #define array_size(x) \ 48 (sizeof(x) / sizeof(x[0])) 49 50 #define fd_cloexec(fd) \ 51 fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) 52 53 #ifdef __APPLE__ 54 static inline void clearenv(void) 55 { 56 extern char **environ; 57 *environ = NULL; 58 } 59 60 time_t timegm (struct tm *tm); 61 62 #endif 63 64 #ifdef __GNUC__ 65 #define __printf(a, b) __attribute__((format(printf, a, b))) 66 #else 67 #define __printf(a, b) 68 #endif 69 70 int uh_urldecode(char *buf, int blen, const char *src, int slen); 71 int uh_urlencode(char *buf, int blen, const char *src, int slen); 72 int uh_b64decode(char *buf, int blen, const void *src, int slen); 73 bool uh_path_match(const char *prefix, const char *url); 74 char *uh_split_header(char *str); 75 bool uh_addr_rfc1918(struct uh_addr *addr); 76 char *uh_htmlescape(const char *src); 77 78 #endif 79
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