diff options
Diffstat (limited to 'src/request.c')
| -rw-r--r-- | src/request.c | 248 |
1 files changed, 1 insertions, 247 deletions
diff --git a/src/request.c b/src/request.c index aa2cd9b..58eefc6 100644 --- a/src/request.c +++ b/src/request.c @@ -1,53 +1,9 @@ #include "request.h" +#include "field.h" #include "cookie.h" -#include "log.h" -#include "multipart.h" #include "param.h" -#include "urlencoded.h" -#include <ctype.h> -#include <stdio.h> #include <stdlib.h> -#include <string.h> - - -extern char **environ; - - -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - * Local Shortcuts - */ -static void lowercase(char *str) -{ - if (str) { - while (*str) { - *str = tolower(*str); - ++str; - } - } -} - -static char *create_str(const char *begin, const char *end) -{ - char *res; - res = malloc(end - begin + 1); - if (res) { - memcpy(res, begin, end - begin); - res[end - begin] = 0; - } - return res; -} - -static char *str_alloc(int len) -{ - char *str = malloc(len + 1); - if (str) { - str[len] = 0; - } else { - magi_log("[request] Cannot allocate string."); - } - return str; -} /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * @@ -77,205 +33,3 @@ void magi_request_destroy(struct magi_request *request) free(request->http_params); } } - - -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - * CGI Request Handling - */ -/* Helpers for CGI Request Handling */ -static int plain_env(char **dest, char *env_name) -{ - int ok = 1; - const char *env = getenv(env_name); - if (env) { - *dest = str_alloc(strlen(env)); - if (*dest) { - strcpy(*dest, env); - } else { - ok = 0; - } - } else { - *dest = 0; - } - return ok; -} - -static int lower_env(char **dest, char *env_name) -{ - int ok = plain_env(dest, env_name); - lowercase(*dest); - return ok; -} - -static int cgi_http_env(struct magi_request *r) -{ - int ok = 1; - char **env = environ; - r->http_params = 0; - while (*env) { - if (!strncmp(*env, "HTTP_", 5) && strncmp(*env, "HTTP_COOKIE=", 12)) { - struct magi_param param; - /* At least one '=' must be in *env, according to format. */ - char *name_end = strchr(*env, '='); - param.name = str_alloc(name_end - *env - 5); - if (param.name) { - memcpy(param.name, *env + 5, name_end - *env - 5); - param.data = str_alloc(strlen(name_end + 1)); - if (param.data) { - strcpy(param.data, name_end + 1); - } else { - free(param.name); - } - } - if (param.name && param.data) { - ok = magi_param_list_add(&r->http_params, ¶m); - } else { - ok = 0; - } - } - ++env; - } - return ok; -} - -static int cgi_env(struct magi_request *r) -{ - int ok = cgi_http_env(r); - ok = ok && lower_env(&r->method, "REQUEST_METHOD"); - ok = ok && plain_env(&r->uri, "REQUEST_URI"); - ok = ok && plain_env(&r->document_root, "DOCUMENT_ROOT"); - ok = ok && plain_env(&r->document_uri, "DOCUMENT_URI"); - ok = ok && plain_env(&r->script_name, "SCRIPT_NAME"); - ok = ok && plain_env(&r->script_filename, "SCRIPT_FILENAME"); - ok = ok && plain_env(&r->remote_addr, "REMOTE_ADDR"); - ok = ok && plain_env(&r->remote_port, "REMOTE_PORT"); - ok = ok && plain_env(&r->server_addr, "SERVER_ADDR"); - ok = ok && lower_env(&r->server_name, "SERVER_NAME"); - ok = ok && plain_env(&r->server_port, "SERVER_PORT"); - ok = ok && lower_env(&r->server_protocol, "SERVER_PROTOCOL"); - ok = ok && plain_env(&r->server_software, "SERVER_SOFTWARE"); - ok = ok && plain_env(&r->path_info, "PATH_INFO"); - return ok; -} - -static int cgi_cookies(struct magi_cookie_list **list) -{ - int ok = 1; - const char *env = getenv("HTTP_COOKIE"); - *list = 0; - if (env && *env) { - ok = magi_parse_cookie(list, env); - } else { - *list = 0; - } - return ok; -} - -static int cgi_input_get(char **input) -{ - int ok = 1; - const char *env_input = getenv("QUERY_STRING"); - if (env_input) { - *input = str_alloc(strlen(env_input)); - if (*input) { - strcpy(*input, env_input); - } else { - ok = 0; - } - } - return ok; -} - -static int cgi_input_post(char **input, int max) -{ - int ok = 1; - int input_len = strtoul(getenv("CONTENT_LENGTH"), 0, 10); - if (input_len && (input_len < max || !max)) { - *input = str_alloc(input_len); - if (*input) { - if (fread(*input, 1, input_len, stdin) != input_len) { - ok = 0; - magi_log("[request:cgi] Content-length is not correct."); - } - } else { - ok = 0; - } - } - return ok; -} - -static char *bound(const char *type) -{ - char *res = 0; - type = strchr(type, '='); - if (type) { - type += strspn(type, " \t") + 1; - if (*type == '"') { - ++type; - res = create_str(type, strchr(type, '"')); - } else { - res = create_str(type, type + strcspn(type, " \t")); - } - } - return res; -} - -static int intput_getter(void *any) -{ - return getchar(); -} - - -/* Interfacial CGI Request Handling */ -int magi_request_build_cgi( - struct magi_request *request, - void (*callback)(struct magi_field *field, char *buffer, int len), - int max_post -) -{ - int ok = cgi_env(request) && cgi_cookies(&request->cookies); - request->fields = 0; - if (request->method) { - if (!strcmp(request->method, "post")) { - const char *t = getenv("CONTENT_TYPE"); - if (t) { - if (!strncmp(t, "multipart/form-data", 19)) { - char *boundary = bound(t); - if (boundary && *boundary) { - ok = magi_parse_multipart( - &request->fields, - intput_getter, - 0, - boundary, - callback - ); - } else { - ok = 0; - magi_log("[request:cgi] Multipart bound is not set."); - } - free(boundary); - } else if (!strcmp(t, "application/x-www-form-urlencoded")) { - char *in = 0; - ok = cgi_input_post(&in, max_post); - ok = ok && magi_parse_urlencoded(&request->fields, in); - free(in); - } else { - ok = 0; - magi_log("[request:cgi] Unknown content type."); - } - } else { - ok = 0; - magi_log("[request:cgi] Content-type is not set."); - } - } else if (!strcmp(request->method, "get")) { - char *in = 0; - ok = cgi_input_get(&in); - ok = ok && magi_parse_urlencoded(&request->fields, in); - free(in); - } - } - if (!ok) { - magi_request_destroy(request); - } - return ok; -} |