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evhtp.c
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evhtp.c
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#define _GNU_SOURCE
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <errno.h>
#include <signal.h>
#include <strings.h>
#include <inttypes.h>
#ifndef WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#else
#define WINVER 0x0501
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#ifndef NO_SYS_UN
#include <sys/un.h>
#endif
#include <limits.h>
#include "evhtp.h"
static int _evhtp_request_parser_start(htparser * p);
static int _evhtp_request_parser_path(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_args(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_header_key(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_header_val(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_hostname(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_headers(htparser * p);
static int _evhtp_request_parser_body(htparser * p, const char * data, size_t len);
static int _evhtp_request_parser_fini(htparser * p);
static int _evhtp_request_parser_chunk_new(htparser * p);
static int _evhtp_request_parser_chunk_fini(htparser * p);
static int _evhtp_request_parser_chunks_fini(htparser * p);
static int _evhtp_request_parser_headers_start(htparser * p);
static void _evhtp_connection_readcb(evbev_t * bev, void * arg);
static evhtp_connection_t * _evhtp_connection_new(evhtp_t * htp, evutil_socket_t sock, evhtp_type type);
static evhtp_uri_t * _evhtp_uri_new(void);
static void _evhtp_uri_free(evhtp_uri_t * uri);
static evhtp_path_t * _evhtp_path_new(const char * data, size_t len);
static void _evhtp_path_free(evhtp_path_t * path);
#define HOOK_AVAIL(var, hook_name) (var->hooks && var->hooks->hook_name)
#define HOOK_FUNC(var, hook_name) (var->hooks->hook_name)
#define HOOK_ARGS(var, hook_name) var->hooks->hook_name ## _arg
#define HOOK_REQUEST_RUN(request, hook_name, ...) do { \
if (HOOK_AVAIL(request, hook_name)) { \
return HOOK_FUNC(request, hook_name) (request, __VA_ARGS__, \
HOOK_ARGS(request, hook_name)); \
} \
\
if (HOOK_AVAIL(evhtp_request_get_connection(request), hook_name)) { \
return HOOK_FUNC(request->conn, hook_name) (request, __VA_ARGS__, \
HOOK_ARGS(request->conn, hook_name)); \
} \
} while (0)
#define HOOK_REQUEST_RUN_NARGS(request, hook_name) do { \
if (HOOK_AVAIL(request, hook_name)) { \
return HOOK_FUNC(request, hook_name) (request, \
HOOK_ARGS(request, hook_name)); \
} \
\
if (HOOK_AVAIL(request->conn, hook_name)) { \
return HOOK_FUNC(request->conn, hook_name) (request, \
HOOK_ARGS(request->conn, hook_name)); \
} \
} while (0);
#ifndef EVHTP_DISABLE_EVTHR
#define _evhtp_lock(h) do { \
if (h->lock) { \
pthread_mutex_lock(h->lock); \
} \
} while (0)
#define _evhtp_unlock(h) do { \
if (h->lock) { \
pthread_mutex_unlock(h->lock); \
} \
} while (0)
#else
#define _evhtp_lock(h) do {} while (0)
#define _evhtp_unlock(h) do {} while (0)
#endif
#ifndef TAILQ_FOREACH_SAFE
#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = TAILQ_FIRST((head)); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#endif
const char *
status_code_to_str(evhtp_res code) {
switch (code) {
case EVHTP_RES_200:
return "OK";
case EVHTP_RES_300:
return "Redirect";
case EVHTP_RES_400:
return "Bad Request";
case EVHTP_RES_NOTFOUND:
return "Not Found";
case EVHTP_RES_SERVERR:
return "Internal Server Error";
case EVHTP_RES_CONTINUE:
return "Continue";
case EVHTP_RES_FORBIDDEN:
return "Forbidden";
case EVHTP_RES_SWITCH_PROTO:
return "Switching Protocols";
case EVHTP_RES_MOVEDPERM:
return "Moved Permanently";
case EVHTP_RES_PROCESSING:
return "Processing";
case EVHTP_RES_URI_TOOLONG:
return "URI Too Long";
case EVHTP_RES_CREATED:
return "Created";
case EVHTP_RES_ACCEPTED:
return "Accepted";
case EVHTP_RES_NAUTHINFO:
return "No Auth Info";
case EVHTP_RES_NOCONTENT:
return "No Content";
case EVHTP_RES_RSTCONTENT:
return "Reset Content";
case EVHTP_RES_PARTIAL:
return "Partial Content";
case EVHTP_RES_MSTATUS:
return "Multi-Status";
case EVHTP_RES_IMUSED:
return "IM Used";
case EVHTP_RES_FOUND:
return "Found";
case EVHTP_RES_SEEOTHER:
return "See Other";
case EVHTP_RES_NOTMOD:
return "Not Modified";
case EVHTP_RES_USEPROXY:
return "Use Proxy";
case EVHTP_RES_SWITCHPROXY:
return "Switch Proxy";
case EVHTP_RES_TMPREDIR:
return "Temporary Redirect";
case EVHTP_RES_UNAUTH:
return "Unauthorized";
case EVHTP_RES_PAYREQ:
return "Payment Required";
case EVHTP_RES_METHNALLOWED:
return "Not Allowed";
case EVHTP_RES_NACCEPTABLE:
return "Not Acceptable";
case EVHTP_RES_PROXYAUTHREQ:
return "Proxy Authentication Required";
case EVHTP_RES_TIMEOUT:
return "Request Timeout";
case EVHTP_RES_CONFLICT:
return "Conflict";
case EVHTP_RES_GONE:
return "Gone";
case EVHTP_RES_LENREQ:
return "Length Required";
case EVHTP_RES_PRECONDFAIL:
return "Precondition Failed";
case EVHTP_RES_ENTOOLARGE:
return "Entity Too Large";
case EVHTP_RES_URITOOLARGE:
return "Request-URI Too Long";
case EVHTP_RES_UNSUPPORTED:
return "Unsupported Media Type";
case EVHTP_RES_RANGENOTSC:
return "Requested Range Not Satisfiable";
case EVHTP_RES_EXPECTFAIL:
return "Expectation Failed";
case EVHTP_RES_IAMATEAPOT:
return "I'm a teapot";
case EVHTP_RES_NOTIMPL:
return "Not Implemented";
case EVHTP_RES_BADGATEWAY:
return "Bad Gateway";
case EVHTP_RES_SERVUNAVAIL:
return "Service Unavailable";
case EVHTP_RES_GWTIMEOUT:
return "Gateway Timeout";
case EVHTP_RES_VERNSUPPORT:
return "HTTP Version Not Supported";
case EVHTP_RES_BWEXEED:
return "Bandwidth Limit Exceeded";
} /* switch */
return "UNKNOWN";
} /* status_code_to_str */
/**
* @brief callback definitions for request processing from libhtparse
*/
static htparse_hooks request_psets = {
.on_msg_begin = _evhtp_request_parser_start,
.method = NULL,
.scheme = NULL,
.host = NULL,
.port = NULL,
.path = _evhtp_request_parser_path,
.args = _evhtp_request_parser_args,
.uri = NULL,
.on_hdrs_begin = _evhtp_request_parser_headers_start,
.hdr_key = _evhtp_request_parser_header_key,
.hdr_val = _evhtp_request_parser_header_val,
.hostname = _evhtp_request_parser_hostname,
.on_hdrs_complete = _evhtp_request_parser_headers,
.on_new_chunk = _evhtp_request_parser_chunk_new,
.on_chunk_complete = _evhtp_request_parser_chunk_fini,
.on_chunks_complete = _evhtp_request_parser_chunks_fini,
.body = _evhtp_request_parser_body,
.on_msg_complete = _evhtp_request_parser_fini
};
#ifndef EVHTP_DISABLE_SSL
static int session_id_context = 1;
#ifndef EVHTP_DISABLE_EVTHR
static int ssl_num_locks;
static evhtp_mutex_t * ssl_locks;
static int ssl_locks_initialized = 0;
#endif
#endif
/*
* COMPAT FUNCTIONS
*/
#ifdef NO_STRNLEN
static size_t
strnlen(const char * s, size_t maxlen) {
const char * e;
size_t n;
for (e = s, n = 0; *e && n < maxlen; e++, n++) {
;
}
return n;
}
#endif
#ifdef NO_STRNDUP
static char *
strndup(const char * s, size_t n) {
size_t len = strnlen(s, n);
char * ret;
if (len < n) {
return strdup(s);
}
ret = malloc(n + 1);
ret[n] = '\0';
strncpy(ret, s, n);
return ret;
}
#endif
/*
* PRIVATE FUNCTIONS
*/
/**
* @brief a weak hash function
*
* @param str a null terminated string
*
* @return an unsigned integer hash of str
*/
static inline unsigned int
_evhtp_quick_hash(const char * str) {
unsigned int h = 0;
for (; *str; str++) {
h = 31 * h + *str;
}
return h;
}
/**
* @brief helper function to determine if http version is HTTP/1.0
*
* @param major the major version number
* @param minor the minor version number
*
* @return 1 if HTTP/1.0, else 0
*/
static inline int
_evhtp_is_http_10(const char major, const char minor) {
if (major >= 1 && minor <= 0) {
return 1;
}
return 0;
}
/**
* @brief helper function to determine if http version is HTTP/1.1
*
* @param major the major version number
* @param minor the minor version number
*
* @return 1 if HTTP/1.1, else 0
*/
static inline int
_evhtp_is_http_11(const char major, const char minor) {
if (major >= 1 && minor >= 1) {
return 1;
}
return 0;
}
/**
* @brief returns the HTTP protocol version
*
* @param major the major version number
* @param minor the minor version number
*
* @return EVHTP_PROTO_10 if HTTP/1.0, EVHTP_PROTO_11 if HTTP/1.1, otherwise
* EVHTP_PROTO_INVALID
*/
static inline evhtp_proto
_evhtp_protocol(const char major, const char minor) {
if (_evhtp_is_http_10(major, minor)) {
return EVHTP_PROTO_10;
}
if (_evhtp_is_http_11(major, minor)) {
return EVHTP_PROTO_11;
}
return EVHTP_PROTO_INVALID;
}
/**
* @brief runs the user-defined on_path hook for a request
*
* @param request the request structure
* @param path the path structure
*
* @return EVHTP_RES_OK on success, otherwise something else.
*/
static inline evhtp_res
_evhtp_path_hook(evhtp_request_t * request, evhtp_path_t * path) {
HOOK_REQUEST_RUN(request, on_path, path);
return EVHTP_RES_OK;
}
/**
* @brief runs the user-defined on_header hook for a request
*
* once a full key: value header has been parsed, this will call the hook
*
* @param request the request strucutre
* @param header the header structure
*
* @return EVHTP_RES_OK on success, otherwise something else.
*/
static inline evhtp_res
_evhtp_header_hook(evhtp_request_t * request, evhtp_header_t * header) {
HOOK_REQUEST_RUN(request, on_header, header);
return EVHTP_RES_OK;
}
/**
* @brief runs the user-defined on_Headers hook for a request after all headers
* have been parsed.
*
* @param request the request structure
* @param headers the headers tailq structure
*
* @return EVHTP_RES_OK on success, otherwise something else.
*/
static inline evhtp_res
_evhtp_headers_hook(evhtp_request_t * request, evhtp_headers_t * headers) {
HOOK_REQUEST_RUN(request, on_headers, headers);
return EVHTP_RES_OK;
}
/**
* @brief runs the user-defined on_body hook for requests containing a body.
* the data is stored in the request->buffer_in so the user may either
* leave it, or drain upon being called.
*
* @param request the request strucutre
* @param buf a evbuffer containing body data
*
* @return EVHTP_RES_OK on success, otherwise something else.
*/
static inline evhtp_res
_evhtp_body_hook(evhtp_request_t * request, evbuf_t * buf) {
HOOK_REQUEST_RUN(request, on_read, buf);
return EVHTP_RES_OK;
}
/**
* @brief runs the user-defined hook called just prior to a request been
* free()'d
*
* @param request therequest structure
*
* @return EVHTP_RES_OK on success, otherwise treated as an error
*/
static inline evhtp_res
_evhtp_request_fini_hook(evhtp_request_t * request) {
HOOK_REQUEST_RUN_NARGS(request, on_request_fini);
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_chunk_new_hook(evhtp_request_t * request, uint64_t len) {
HOOK_REQUEST_RUN(request, on_new_chunk, len);
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_chunk_fini_hook(evhtp_request_t * request) {
HOOK_REQUEST_RUN_NARGS(request, on_chunk_fini);
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_chunks_fini_hook(evhtp_request_t * request) {
HOOK_REQUEST_RUN_NARGS(request, on_chunks_fini);
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_headers_start_hook(evhtp_request_t * request) {
HOOK_REQUEST_RUN_NARGS(request, on_headers_start);
return EVHTP_RES_OK;
}
/**
* @brief runs the user-definedhook called just prior to a connection being
* closed
*
* @param connection the connection structure
*
* @return EVHTP_RES_OK on success, but pretty much ignored in any case.
*/
static inline evhtp_res
_evhtp_connection_fini_hook(evhtp_connection_t * connection) {
if (connection->hooks && connection->hooks->on_connection_fini) {
return (connection->hooks->on_connection_fini)(connection,
connection->hooks->on_connection_fini_arg);
}
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_hostname_hook(evhtp_request_t * r, const char * hostname) {
HOOK_REQUEST_RUN(r, on_hostname, hostname);
return EVHTP_RES_OK;
}
static inline evhtp_res
_evhtp_connection_write_hook(evhtp_connection_t * connection) {
if (connection->hooks && connection->hooks->on_write) {
return (connection->hooks->on_write)(connection,
connection->hooks->on_write_arg);
}
return EVHTP_RES_OK;
}
/**
* @brief glob/wildcard type pattern matching.
*
* Note: This code was derived from redis's (v2.6) stringmatchlen() function.
*
* @param pattern
* @param string
*
* @return
*/
static int
_evhtp_glob_match(const char * pattern, const char * string) {
size_t pat_len;
size_t str_len;
if (!pattern || !string) {
return 0;
}
pat_len = strlen(pattern);
str_len = strlen(string);
while (pat_len) {
if (pattern[0] == '*') {
while (pattern[1] == '*') {
pattern++;
pat_len--;
}
if (pat_len == 1) {
return 1;
}
while (str_len) {
if (_evhtp_glob_match(pattern + 1, string)) {
return 1;
}
string++;
str_len--;
}
return 0;
} else {
if (pattern[0] != string[0]) {
return 0;
}
string++;
str_len--;
}
pattern++;
pat_len--;
if (str_len == 0) {
while (*pattern == '*') {
pattern++;
pat_len--;
}
break;
}
}
if (pat_len == 0 && str_len == 0) {
return 1;
}
return 0;
} /* _evhtp_glob_match */
static evhtp_callback_t *
_evhtp_callback_find(evhtp_callbacks_t * cbs,
const char * path,
unsigned int * start_offset,
unsigned int * end_offset) {
#ifndef EVHTP_DISABLE_REGEX
regmatch_t pmatch[28];
#endif
evhtp_callback_t * callback;
if (cbs == NULL) {
return NULL;
}
TAILQ_FOREACH(callback, cbs, next) {
switch (callback->type) {
case evhtp_callback_type_hash:
if (strcmp(callback->val.path, path) == 0) {
*start_offset = 0;
*end_offset = (unsigned int)strlen(path);
return callback;
}
break;
#ifndef EVHTP_DISABLE_REGEX
case evhtp_callback_type_regex:
if (regexec(callback->val.regex, path, callback->val.regex->re_nsub + 1, pmatch, 0) == 0) {
*start_offset = pmatch[callback->val.regex->re_nsub].rm_so;
*end_offset = pmatch[callback->val.regex->re_nsub].rm_eo;
return callback;
}
break;
#endif
case evhtp_callback_type_glob:
if (_evhtp_glob_match(callback->val.glob, path) == 1) {
*start_offset = 0;
*end_offset = (unsigned int)strlen(path);
return callback;
}
default:
break;
} /* switch */
}
return NULL;
} /* _evhtp_callback_find */
/**
* @brief Creates a new evhtp_request_t
*
* @param c
*
* @return evhtp_request_t structure on success, otherwise NULL
*/
static evhtp_request_t *
_evhtp_request_new(evhtp_connection_t * c) {
evhtp_request_t * req;
if (!(req = calloc(sizeof(evhtp_request_t), 1))) {
return NULL;
}
req->conn = c;
req->htp = c ? c->htp : NULL;
req->status = EVHTP_RES_OK;
req->buffer_in = evbuffer_new();
req->buffer_out = evbuffer_new();
req->headers_in = malloc(sizeof(evhtp_headers_t));
req->headers_out = malloc(sizeof(evhtp_headers_t));
TAILQ_INIT(req->headers_in);
TAILQ_INIT(req->headers_out);
return req;
}
/**
* @brief frees all data in an evhtp_request_t along with calling finished hooks
*
* @param request the request structure
*/
static void
_evhtp_request_free(evhtp_request_t * request) {
if (request == NULL) {
return;
}
_evhtp_request_fini_hook(request);
_evhtp_uri_free(request->uri);
evhtp_headers_free(request->headers_in);
evhtp_headers_free(request->headers_out);
if (request->buffer_in) {
evbuffer_free(request->buffer_in);
}
if (request->buffer_out) {
evbuffer_free(request->buffer_out);
}
free(request->hooks);
free(request);
}
/**
* @brief create an overlay URI structure
*
* @return evhtp_uri_t
*/
static evhtp_uri_t *
_evhtp_uri_new(void) {
evhtp_uri_t * uri;
if (!(uri = calloc(sizeof(evhtp_uri_t), 1))) {
return NULL;
}
return uri;
}
/**
* @brief frees an overlay URI structure
*
* @param uri evhtp_uri_t
*/
static void
_evhtp_uri_free(evhtp_uri_t * uri) {
if (uri == NULL) {
return;
}
evhtp_query_free(uri->query);
_evhtp_path_free(uri->path);
free(uri->fragment);
free(uri->query_raw);
free(uri);
}
/**
* @brief parses the path and file from an input buffer
*
* @details in order to properly create a structure that can match
* both a path and a file, this will parse a string into
* what it considers a path, and a file.
*
* @details if for example the input was "/a/b/c", the parser will
* consider "/a/b/" as the path, and "c" as the file.
*
* @param data raw input data (assumes a /path/[file] structure)
* @param len length of the input data
*
* @return evhtp_request_t * on success, NULL on error.
*/
static evhtp_path_t *
_evhtp_path_new(const char * data, size_t len) {
evhtp_path_t * req_path;
const char * data_end = (const char *)(data + len);
char * path = NULL;
char * file = NULL;
if (!(req_path = calloc(sizeof(evhtp_path_t), 1))) {
return NULL;
}
if (len == 0) {
/*
* odd situation here, no preceding "/", so just assume the path is "/"
*/
path = strdup("/");
} else if (*data != '/') {
/* request like GET stupid HTTP/1.0, treat stupid as the file, and
* assume the path is "/"
*/
path = strdup("/");
file = strndup(data, len);
} else {
if (data[len - 1] != '/') {
/*
* the last character in data is assumed to be a file, not the end of path
* loop through the input data backwards until we find a "/"
*/
size_t i;
for (i = (len - 1); i != 0; i--) {
if (data[i] == '/') {
/*
* we have found a "/" representing the start of the file,
* and the end of the path
*/
size_t path_len;
size_t file_len;
path_len = (size_t)(&data[i] - data) + 1;
file_len = (size_t)(data_end - &data[i + 1]);
/* check for overflow */
if ((const char *)(data + path_len) > data_end) {
fprintf(stderr, "PATH Corrupted.. (path_len > len)\n");
free(req_path);
return NULL;
}
/* check for overflow */
if ((const char *)(&data[i + 1] + file_len) > data_end) {
fprintf(stderr, "FILE Corrupted.. (file_len > len)\n");
free(req_path);
return NULL;
}
path = strndup(data, path_len);
file = strndup(&data[i + 1], file_len);
break;
}
}
if (i == 0 && data[i] == '/' && !file && !path) {
/* drops here if the request is something like GET /foo */
path = strdup("/");
if (len > 1) {
file = strndup((const char *)(data + 1), len);
}
}
} else {
/* the last character is a "/", thus the request is just a path */
path = strndup(data, len);
}
}
if (len != 0) {
req_path->full = strndup(data, len);
}
req_path->path = path;
req_path->file = file;
return req_path;
} /* _evhtp_path_new */
static void
_evhtp_path_free(evhtp_path_t * path) {
if (path == NULL) {
return;
}
free(path->full);
free(path->path);
free(path->file);
free(path->match_start);
free(path->match_end);
free(path);
}
static int
_evhtp_request_parser_start(htparser * p) {
evhtp_connection_t * c = htparser_get_userdata(p);
if (c->type == evhtp_type_client) {
return 0;
}
if (c->paused == 1) {
return -1;
}
if (c->request) {
if (c->request->finished == 1) {
_evhtp_request_free(c->request);
} else {
return -1;
}
}
if (!(c->request = _evhtp_request_new(c))) {
return -1;
}
return 0;
}
static int
_evhtp_request_parser_args(htparser * p, const char * data, size_t len) {
evhtp_connection_t * c = htparser_get_userdata(p);
evhtp_uri_t * uri = c->request->uri;
if (c->type == evhtp_type_client) {
/* as a client, technically we should never get here, but just in case
* we return a 0 to the parser to continue.
*/
return 0;
}
if (!(uri->query = evhtp_parse_query(data, len))) {
c->request->status = EVHTP_RES_ERROR;
return -1;
}
uri->query_raw = calloc(len + 1, 1);
memcpy(uri->query_raw, data, len);
return 0;
}
static int
_evhtp_request_parser_headers_start(htparser * p) {
evhtp_connection_t * c = htparser_get_userdata(p);
if ((c->request->status = _evhtp_headers_start_hook(c->request)) != EVHTP_RES_OK) {
return -1;
}
return 0;
}
static int
_evhtp_request_parser_header_key(htparser * p, const char * data, size_t len) {
evhtp_connection_t * c = htparser_get_userdata(p);
char * key_s; /* = strndup(data, len); */
evhtp_header_t * hdr;
key_s = malloc(len + 1);
key_s[len] = '\0';
memcpy(key_s, data, len);
if ((hdr = evhtp_header_key_add(c->request->headers_in, key_s, 0)) == NULL) {
c->request->status = EVHTP_RES_FATAL;
return -1;
}
hdr->k_heaped = 1;
return 0;
}
static int
_evhtp_request_parser_header_val(htparser * p, const char * data, size_t len) {
evhtp_connection_t * c = htparser_get_userdata(p);
char * val_s;
evhtp_header_t * header;
val_s = malloc(len + 1);
val_s[len] = '\0';
memcpy(val_s, data, len);
if ((header = evhtp_header_val_add(c->request->headers_in, val_s, 0)) == NULL) {
free(val_s);
c->request->status = EVHTP_RES_FATAL;
return -1;
}
header->v_heaped = 1;
if ((c->request->status = _evhtp_header_hook(c->request, header)) != EVHTP_RES_OK) {
return -1;
}
return 0;
}
static inline evhtp_t *
_evhtp_request_find_vhost(evhtp_t * evhtp, const char * name) {
evhtp_t * evhtp_vhost;
evhtp_alias_t * evhtp_alias;
TAILQ_FOREACH(evhtp_vhost, &evhtp->vhosts, next_vhost) {
if (evhtp_vhost->server_name == NULL) {
continue;
}
if (_evhtp_glob_match(evhtp_vhost->server_name, name) == 1) {
return evhtp_vhost;
}
TAILQ_FOREACH(evhtp_alias, &evhtp_vhost->aliases, next) {
if (evhtp_alias->alias == NULL) {
continue;
}
if (_evhtp_glob_match(evhtp_alias->alias, name) == 1) {
return evhtp_vhost;
}
}
}
return NULL;
}
static inline int
_evhtp_request_set_callbacks(evhtp_request_t * request) {
evhtp_t * evhtp;
evhtp_connection_t * conn;
evhtp_uri_t * uri;
evhtp_path_t * path;
evhtp_hooks_t * hooks;
evhtp_callback_t * callback;
evhtp_callback_cb cb;
void * cbarg;
if (request == NULL) {
return -1;
}
if ((evhtp = request->htp) == NULL) {
return -1;
}
if ((conn = request->conn) == NULL) {
return -1;
}
if ((uri = request->uri) == NULL) {
return -1;
}
if ((path = uri->path) == NULL) {
return -1;
}
hooks = NULL;
callback = NULL;
cb = NULL;
cbarg = NULL;
if ((callback = _evhtp_callback_find(evhtp->callbacks, path->full,
&path->matched_soff, &path->matched_eoff))) {
/* matched a callback using both path and file (/a/b/c/d) */
cb = callback->cb;