httpp.c,v

版本控制CVS资源库转换成SVN库的转换程序

    if (name == NULL || value == NULL)
        return;

    var = (http_var_t *)malloc(sizeof(http_var_t));
    if (var == NULL) return;

    var->name = strdup(name);
    var->value = strdup(value);

    if (httpp_getvar(parser, name) == NULL) {
        avl_insert(parser->vars, (void *)var);
    } else {
        avl_delete(parser->vars, (void *)var, _free_vars);
        avl_insert(parser->vars, (void *)var);
    }
}

char *httpp_getvar(http_parser_t *parser, char *name)
{
    http_var_t var;
    http_var_t *found;
    void *fp;

    fp = &found;
    var.name = name;
    var.value = NULL;

    if (avl_get_by_key(parser->vars, &var, fp) == 0)
        return found->value;
    else
        return NULL;
}

void httpp_set_query_param(http_parser_t *parser, char *name, char *value)
{
    http_var_t *var;

    if (name == NULL || value == NULL)
        return;

    var = (http_var_t *)malloc(sizeof(http_var_t));
    if (var == NULL) return;

    var->name = strdup(name);
    var->value = url_escape(value);

    if (httpp_get_query_param(parser, name) == NULL) {
        avl_insert(parser->queryvars, (void *)var);
    } else {
        avl_delete(parser->queryvars, (void *)var, _free_vars);
        avl_insert(parser->queryvars, (void *)var);
    }
}

char *httpp_get_query_param(http_parser_t *parser, char *name)
{
    http_var_t var;
    http_var_t *found;
    void *fp;

    fp = &found;
    var.name = name;
    var.value = NULL;

    if (avl_get_by_key(parser->queryvars, (void *)&var, fp) == 0)
        return found->value;
    else
        return NULL;
}

void httpp_clear(http_parser_t *parser)
{
    parser->req_type = httpp_req_none;
    if (parser->uri)
        free(parser->uri);
    parser->uri = NULL;
    avl_tree_free(parser->vars, _free_vars);
    avl_tree_free(parser->queryvars, _free_vars);
    parser->vars = NULL;
}

void httpp_destroy(http_parser_t *parser)
{
    httpp_clear(parser);
    free(parser);
}

static char *_lowercase(char *str)
{
    char *p = str;
    for (; *p != '\0'; p++)
        *p = tolower(*p);

    return str;
}

static int _compare_vars(void *compare_arg, void *a, void *b)
{
    http_var_t *vara, *varb;

    vara = (http_var_t *)a;
    varb = (http_var_t *)b;

    return strcmp(vara->name, varb->name);
}

static int _free_vars(void *key)
{
    http_var_t *var;

    var = (http_var_t *)key;

    if (var->name)
        free(var->name);
    if (var->value)
        free(var->value);
    free(var);

    return 1;
}

@


1.22
log
@ermmm, let's use the right operator.
@
text
@d34 2
a35 2
int _compare_vars(void *compare_arg, void *a, void *b);
int _free_vars(void *key);
d556 1
a556 1
int _compare_vars(void *compare_arg, void *a, void *b)
d566 1
a566 1
int _free_vars(void *key)
@


1.21
log
@minor cleanup, removes compiler warning, makes it static, and doesn't
re-evaluate string length each time.
@
text
@d550 1
a550 1
    for (; *p |= '\0'; p++)
@


1.20
log
@gcc 3.3 warns: dereferencing type-punned pointer will break strict-aliasing rules
@
text
@d31 1
a31 1
char *_lowercase(char *str);
d547 1
a547 1
char *_lowercase(char *str)
d549 3
a551 3
    long i;
    for (i = 0; i < strlen(str); i++)
        str[i] = tolower(str[i]);
@


1.19
log
@Karl's patch for freebsd, minus the sys/select.h test which breaks on OS X.
Also enables IPV6 in libshout!
@
text
@d481 1
d483 1
d487 1
a487 1
    if (avl_get_by_key(parser->vars, (void *)&var, (void **)&found) == 0)
d518 1
d520 1
d524 1
a524 1
    if (avl_get_by_key(parser->queryvars, (void *)&var, (void **)&found) == 0)
@


1.18
log
@Brendan was getting pissed off about inconsistent indentation styles.
Convert all tabs to 4 spaces. All code must now use 4 space indents.
@
text
@d15 3
@


1.17
log
@reduce include file namespace clutter for libshout and the associated
smaller libs.
@
text
@d36 1
a36 1
	return (http_parser_t *)malloc(sizeof(http_parser_t));
d41 1
a41 1
	http_varlist_t *list;
d43 11
a53 11
	parser->req_type = httpp_req_none;
	parser->uri = NULL;
	parser->vars = avl_tree_new(_compare_vars, NULL);
	parser->queryvars = avl_tree_new(_compare_vars, NULL);

	/* now insert the default variables */
	list = defaults;
	while (list != NULL) {
		httpp_setvar(parser, list->var.name, list->var.value);
		list = list->next;
	}
d58 4
a61 4
	/* first we count how many lines there are 
	** and set up the line[] array	 
	*/
	int lines = 0;
d63 11
a73 11
	line[lines] = data;
	for (i = 0; i < len && lines < MAX_HEADERS; i++) {
		if (data[i] == '\r')
			data[i] = '\0';
		if (data[i] == '\n') {
			lines++;
			data[i] = '\0';
			if (i + 1 < len) {
				if (data[i + 1] == '\n' || data[i + 1] == '\r')
					break;
				line[lines] = &data[i + 1];
d75 2
a76 2
		}
	}
d78 2
a79 2
	i++;
	while (data[i] == '\n') i++;
d87 35
a121 35
	int whitespace, where, slen;
	char *name = NULL;
	char *value = NULL;

	/* parse the name: value lines. */
	for (l = 1; l < lines; l++) {
		where = 0;
		whitespace = 0;
		name = line[l];
		value = NULL;
		slen = strlen(line[l]);
		for (i = 0; i < slen; i++) {
			if (line[l][i] == ':') {
				whitespace = 1;
				line[l][i] = '\0';
			} else {
				if (whitespace) {
					whitespace = 0;
					while (i < slen && line[l][i] == ' ')
						i++;

					if (i < slen)
						value = &line[l][i];
					
					break;
				}
			}
		}
		
		if (name != NULL && value != NULL) {
			httpp_setvar(parser, _lowercase(name), value);
			name = NULL; 
			value = NULL;
		}
	}
d126 4
a129 4
	char *data;
	char *line[MAX_HEADERS];
	int lines, slen,i, whitespace=0, where=0,code;
	char *version=NULL, *resp_code=NULL, *message=NULL;
d131 2
a132 2
	if(http_data == NULL)
		return 0;
d134 5
a138 39
	/* make a local copy of the data, including 0 terminator */
	data = (char *)malloc(len+1);
	if (data == NULL) return 0;
	memcpy(data, http_data, len);
	data[len] = 0;

	lines = split_headers(data, len, line);

	/* In this case, the first line contains:
	 * VERSION RESPONSE_CODE MESSAGE, such as HTTP/1.0 200 OK
	 */
	slen = strlen(line[0]);
	version = line[0];
	for(i=0; i < slen; i++) {
		if(line[0][i] == ' ') {
			line[0][i] = 0;
			whitespace = 1;
		} else if(whitespace) {
			whitespace = 0;
			where++;
			if(where == 1)
				resp_code = &line[0][i];
			else {
				message = &line[0][i];
				break;
			}
		}
	}

	if(version == NULL || resp_code == NULL || message == NULL) {
		free(data);
		return 0;
	}

	httpp_setvar(parser, HTTPP_VAR_ERROR_CODE, resp_code);
	code = atoi(resp_code);
	if(code < 200 || code >= 300) {
		httpp_setvar(parser, HTTPP_VAR_ERROR_MESSAGE, message);
	}
d140 1
a140 2
	httpp_setvar(parser, HTTPP_VAR_URI, uri);
	httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "NONE");
d142 20
a161 1
	parse_headers(parser, line, lines);
d163 4
a166 1
	free(data);
d168 14
a181 1
	return 1;
d186 8
a193 8
	if(c >= '0' && c <= '9')
		return c - '0';
	else if(c >= 'A' && c <= 'F')
		return c - 'A' + 10;
	else if(c >= 'a' && c <= 'f')
		return c - 'a' + 10;
	else
		return -1;
d198 39
a236 39
	int len = strlen(src);
	unsigned char *decoded;
	int i;
	char *dst;
	int done = 0;

	decoded = calloc(1, len + 1);

	dst = decoded;

	for(i=0; i < len; i++) {
		switch(src[i]) {
		case '%':
			if(i+2 >= len) {
				free(decoded);
				return NULL;
			}
			if(hex(src[i+1]) == -1 || hex(src[i+2]) == -1 ) {
				free(decoded);
				return NULL;
			}

			*dst++ = hex(src[i+1]) * 16  + hex(src[i+2]);
			i+= 2;
			break;
		case '#':
			done = 1;
			break;
		case 0:
			free(decoded);
			return NULL;
			break;
		default:
			*dst++ = src[i];
			break;
		}
		if(done)
			break;
	}
d238 1
a238 1
	*dst = 0; /* null terminator */
d240 1
a240 1
	return decoded;
d246 29
a274 29
	int len;
	int i=0;
	char *key = query;
	char *val=NULL;

	if(!query || !*query)
		return;

	len = strlen(query);

	while(i<len) {
		switch(query[i]) {
		case '&':
			query[i] = 0;
			if(val && key)
				httpp_set_query_param(parser, key, val);
			key = query+i+1;
			break;
		case '=':
			query[i] = 0;
			val = query+i+1;
			break;
		}
		i++;
	}

	if(val && key) {
		httpp_set_query_param(parser, key, val);
	}
d291 1
a291 1
	lines = split_headers(data, len, line);
d316 80
a395 74
	char *data, *tmp;
	char *line[MAX_HEADERS]; /* limited to 32 lines, should be more than enough */
	int i;
	int lines;
	char *req_type = NULL;
	char *uri = NULL;
	char *version = NULL;
	int whitespace, where, slen;

	if (http_data == NULL)
		return 0;

	/* make a local copy of the data, including 0 terminator */
	data = (char *)malloc(len+1);
	if (data == NULL) return 0;
	memcpy(data, http_data, len);
	data[len] = 0;

	lines = split_headers(data, len, line);

	/* parse the first line special
	** the format is:
	** REQ_TYPE URI VERSION
	** eg:
	** GET /index.html HTTP/1.0
	*/
	where = 0;
	whitespace = 0;
	slen = strlen(line[0]);
	req_type = line[0];
	for (i = 0; i < slen; i++) {
		if (line[0][i] == ' ') {
			whitespace = 1;
			line[0][i] = '\0';
		} else {
			/* we're just past the whitespace boundry */
			if (whitespace) {
				whitespace = 0;
				where++;
				switch (where) {
				case 1:
					uri = &line[0][i];
					break;
				case 2:
					version = &line[0][i];
					break;
				}
			}
		}
	}

	if (strcasecmp("GET", req_type) == 0) {
		parser->req_type = httpp_req_get;
	} else if (strcasecmp("POST", req_type) == 0) {
		parser->req_type = httpp_req_post;
	} else if (strcasecmp("HEAD", req_type) == 0) {
		parser->req_type = httpp_req_head;
	} else if (strcasecmp("SOURCE", req_type) == 0) {
		parser->req_type = httpp_req_source;
	} else if (strcasecmp("PLAY", req_type) == 0) {
		parser->req_type = httpp_req_play;
	} else if (strcasecmp("STATS", req_type) == 0) {
		parser->req_type = httpp_req_stats;
	} else {
		parser->req_type = httpp_req_unknown;
	}

	if (uri != NULL && strlen(uri) > 0) {
		char *query;
		if((query = strchr(uri, '?')) != NULL) {
			*query = 0;
			query++;
			parse_query(parser, query);
		}
d397 10
a406 2
		parser->uri = strdup(uri);
	} else {
d411 27
a437 48
	if ((version != NULL) && ((tmp = strchr(version, '/')) != NULL)) {
		tmp[0] = '\0';
		if ((strlen(version) > 0) && (strlen(&tmp[1]) > 0)) {
			httpp_setvar(parser, HTTPP_VAR_PROTOCOL, version);
			httpp_setvar(parser, HTTPP_VAR_VERSION, &tmp[1]);
		} else {
			free(data);
			return 0;
		}
	} else {
		free(data);
		return 0;
	}

	if (parser->req_type != httpp_req_none && parser->req_type != httpp_req_unknown) {
		switch (parser->req_type) {
		case httpp_req_get:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "GET");
			break;
		case httpp_req_post:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "POST");
			break;
		case httpp_req_head:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "HEAD");
			break;
		case httpp_req_source:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "SOURCE");
			break;
		case httpp_req_play:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "PLAY");
			break;
		case httpp_req_stats:
			httpp_setvar(parser, HTTPP_VAR_REQ_TYPE, "STATS");
			break;
		default:
			break;
		}
	} else {
		free(data);
		return 0;
	}

	if (parser->uri != NULL) {
		httpp_setvar(parser, HTTPP_VAR_URI, parser->uri);
	} else {
		free(data);
		return 0;
	}
d439 6
a444 1
	parse_headers(parser, line, lines);
d446 3
a448 1
	free(data);
d450 1
a450 1
	return 1;
d455 1
a455 1
	http_var_t *var;
d457 2
a458 2
	if (name == NULL || value == NULL)
		return;
d460 2
a461 2
	var = (http_var_t *)malloc(sizeof(http_var_t));
	if (var == NULL) return;
d463 9
a471 9
	var->name = strdup(name);
	var->value = strdup(value);

	if (httpp_getvar(parser, name) == NULL) {
		avl_insert(parser->vars, (void *)var);
	} else {