| 1 | /* |
| 2 | * uhttpd - Tiny single-threaded httpd - Utility header |
| 3 | * |
| 4 | * Copyright (C) 2010 Jo-Philipp Wich <xm@subsignal.org> |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef _UHTTPD_UTILS_ |
| 20 | |
| 21 | #include <stdarg.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <pwd.h> |
| 24 | #include <shadow.h> |
| 25 | #include <sys/stat.h> |
| 26 | |
| 27 | #define min(x, y) (((x) < (y)) ? (x) : (y)) |
| 28 | #define max(x, y) (((x) > (y)) ? (x) : (y)) |
| 29 | |
| 30 | #define array_size(x) \ |
| 31 | (sizeof(x) / sizeof(x[0])) |
| 32 | |
| 33 | #define foreach_header(i, h) \ |
| 34 | for( i = 0; (i + 1) < (sizeof(h) / sizeof(h[0])) && h[i]; i += 2 ) |
| 35 | |
| 36 | #define fd_cloexec(fd) \ |
| 37 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC) |
| 38 | |
| 39 | #define ensure_out(x) \ |
| 40 | do { if((x) < 0) goto out; } while(0) |
| 41 | |
| 42 | #define ensure_ret(x) \ |
| 43 | do { if((x) < 0) return -1; } while(0) |
| 44 | |
| 45 | |
| 46 | struct path_info { |
| 47 | char *root; |
| 48 | char *phys; |
| 49 | char *name; |
| 50 | char *info; |
| 51 | char *query; |
| 52 | int redirected; |
| 53 | struct stat stat; |
| 54 | }; |
| 55 | |
| 56 | |
| 57 | const char * sa_straddr(void *sa); |
| 58 | const char * sa_strport(void *sa); |
| 59 | int sa_port(void *sa); |
| 60 | int sa_rfc1918(void *sa); |
| 61 | |
| 62 | char *strfind(char *haystack, int hslen, const char *needle, int ndlen); |
| 63 | |
| 64 | int select_intr(int n, fd_set *r, fd_set *w, fd_set *e, struct timeval *t); |
| 65 | |
| 66 | int uh_tcp_send(struct client *cl, const char *buf, int len); |
| 67 | int uh_tcp_peek(struct client *cl, char *buf, int len); |
| 68 | int uh_tcp_recv(struct client *cl, char *buf, int len); |
| 69 | |
| 70 | int uh_http_sendhf( |
| 71 | struct client *cl, int code, const char *summary, |
| 72 | const char *fmt, ... |
| 73 | ); |
| 74 | |
| 75 | #define uh_http_response(cl, code, message) \ |
| 76 | uh_http_sendhf(cl, code, message, message) |
| 77 | |
| 78 | int uh_http_sendc(struct client *cl, const char *data, int len); |
| 79 | |
| 80 | int uh_http_sendf( |
| 81 | struct client *cl, struct http_request *req, |
| 82 | const char *fmt, ... |
| 83 | ); |
| 84 | |
| 85 | int uh_http_send( |
| 86 | struct client *cl, struct http_request *req, |
| 87 | const char *buf, int len |
| 88 | ); |
| 89 | |
| 90 | |
| 91 | int uh_urldecode(char *buf, int blen, const char *src, int slen); |
| 92 | int uh_urlencode(char *buf, int blen, const char *src, int slen); |
| 93 | int uh_b64decode(char *buf, int blen, const unsigned char *src, int slen); |
| 94 | |
| 95 | |
| 96 | struct auth_realm * uh_auth_add(char *path, char *user, char *pass); |
| 97 | |
| 98 | int uh_auth_check( |
| 99 | struct client *cl, struct http_request *req, struct path_info *pi |
| 100 | ); |
| 101 | |
| 102 | |
| 103 | struct path_info * uh_path_lookup(struct client *cl, const char *url); |
| 104 | |
| 105 | struct listener * uh_listener_add(int sock, struct config *conf); |
| 106 | struct listener * uh_listener_lookup(int sock); |
| 107 | |
| 108 | struct client * uh_client_add(int sock, struct listener *serv); |
| 109 | struct client * uh_client_lookup(int sock); |
| 110 | void uh_client_remove(int sock); |
| 111 | |
| 112 | #ifdef HAVE_CGI |
| 113 | struct interpreter * uh_interpreter_add(const char *extn, const char *path); |
| 114 | struct interpreter * uh_interpreter_lookup(const char *path); |
| 115 | #endif |
| 116 | |
| 117 | #endif |
| 118 | |
