version 1.1, 2013/10/14 10:32:47
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version 1.1.1.3, 2016/11/02 10:35:00
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#include "first.h" |
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#include "base.h" |
#include "base.h" |
#include "log.h" |
#include "log.h" |
#include "buffer.h" |
#include "buffer.h" |
Line 32 typedef struct {
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Line 34 typedef struct {
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typedef struct { |
typedef struct { |
PLUGIN_DATA; |
PLUGIN_DATA; |
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buffer *range_buf; |
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plugin_config **config_storage; |
plugin_config **config_storage; |
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plugin_config conf; |
plugin_config conf; |
Line 45 INIT_FUNC(mod_staticfile_init) {
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Line 45 INIT_FUNC(mod_staticfile_init) {
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p = calloc(1, sizeof(*p)); |
p = calloc(1, sizeof(*p)); |
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p->range_buf = buffer_init(); |
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return p; |
return p; |
} |
} |
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Line 63 FREE_FUNC(mod_staticfile_free) {
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Line 61 FREE_FUNC(mod_staticfile_free) {
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for (i = 0; i < srv->config_context->used; i++) { |
for (i = 0; i < srv->config_context->used; i++) { |
plugin_config *s = p->config_storage[i]; |
plugin_config *s = p->config_storage[i]; |
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if (NULL == s) continue; |
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array_free(s->exclude_ext); |
array_free(s->exclude_ext); |
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free(s); |
free(s); |
} |
} |
free(p->config_storage); |
free(p->config_storage); |
} |
} |
buffer_free(p->range_buf); |
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free(p); |
free(p); |
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Line 91 SETDEFAULTS_FUNC(mod_staticfile_set_defaults) {
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Line 90 SETDEFAULTS_FUNC(mod_staticfile_set_defaults) {
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if (!p) return HANDLER_ERROR; |
if (!p) return HANDLER_ERROR; |
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p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *)); | p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *)); |
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for (i = 0; i < srv->config_context->used; i++) { |
for (i = 0; i < srv->config_context->used; i++) { |
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data_config const* config = (data_config const*)srv->config_context->data[i]; |
plugin_config *s; |
plugin_config *s; |
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s = calloc(1, sizeof(plugin_config)); |
s = calloc(1, sizeof(plugin_config)); |
Line 107 SETDEFAULTS_FUNC(mod_staticfile_set_defaults) {
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Line 107 SETDEFAULTS_FUNC(mod_staticfile_set_defaults) {
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p->config_storage[i] = s; |
p->config_storage[i] = s; |
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if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) { | if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) { |
return HANDLER_ERROR; |
return HANDLER_ERROR; |
} |
} |
} |
} |
Line 151 static int mod_staticfile_patch_connection(server *srv
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Line 151 static int mod_staticfile_patch_connection(server *srv
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} |
} |
#undef PATCH |
#undef PATCH |
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static int http_response_parse_range(server *srv, connection *con, plugin_data *p) { |
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int multipart = 0; |
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int error; |
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off_t start, end; |
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const char *s, *minus; |
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char *boundary = "fkj49sn38dcn3"; |
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data_string *ds; |
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stat_cache_entry *sce = NULL; |
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buffer *content_type = NULL; |
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if (HANDLER_ERROR == stat_cache_get_entry(srv, con, con->physical.path, &sce)) { |
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SEGFAULT(); |
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} |
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start = 0; |
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end = sce->st.st_size - 1; |
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con->response.content_length = 0; |
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if (NULL != (ds = (data_string *)array_get_element(con->response.headers, "Content-Type"))) { |
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content_type = ds->value; |
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} |
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for (s = con->request.http_range, error = 0; |
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!error && *s && NULL != (minus = strchr(s, '-')); ) { |
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char *err; |
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off_t la, le; |
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if (s == minus) { |
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/* -<stop> */ |
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le = strtoll(s, &err, 10); |
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if (le == 0) { |
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/* RFC 2616 - 14.35.1 */ |
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con->http_status = 416; |
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error = 1; |
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} else if (*err == '\0') { |
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/* end */ |
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s = err; |
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end = sce->st.st_size - 1; |
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start = sce->st.st_size + le; |
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} else if (*err == ',') { |
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multipart = 1; |
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s = err + 1; |
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end = sce->st.st_size - 1; |
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start = sce->st.st_size + le; |
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} else { |
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error = 1; |
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} |
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} else if (*(minus+1) == '\0' || *(minus+1) == ',') { |
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/* <start>- */ |
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la = strtoll(s, &err, 10); |
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if (err == minus) { |
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/* ok */ |
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if (*(err + 1) == '\0') { |
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s = err + 1; |
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end = sce->st.st_size - 1; |
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start = la; |
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} else if (*(err + 1) == ',') { |
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multipart = 1; |
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s = err + 2; |
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end = sce->st.st_size - 1; |
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start = la; |
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} else { |
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error = 1; |
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} |
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} else { |
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/* error */ |
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error = 1; |
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} |
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} else { |
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/* <start>-<stop> */ |
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la = strtoll(s, &err, 10); |
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if (err == minus) { |
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le = strtoll(minus+1, &err, 10); |
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/* RFC 2616 - 14.35.1 */ |
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if (la > le) { |
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error = 1; |
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} |
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if (*err == '\0') { |
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/* ok, end*/ |
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s = err; |
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end = le; |
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start = la; |
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} else if (*err == ',') { |
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multipart = 1; |
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s = err + 1; |
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end = le; |
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start = la; |
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} else { |
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/* error */ |
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error = 1; |
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} |
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} else { |
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/* error */ |
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error = 1; |
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} |
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} |
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if (!error) { |
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if (start < 0) start = 0; |
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/* RFC 2616 - 14.35.1 */ |
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if (end > sce->st.st_size - 1) end = sce->st.st_size - 1; |
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if (start > sce->st.st_size - 1) { |
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error = 1; |
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con->http_status = 416; |
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} |
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} |
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if (!error) { |
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if (multipart) { |
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/* write boundary-header */ |
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buffer *b; |
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b = chunkqueue_get_append_buffer(con->write_queue); |
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buffer_copy_string_len(b, CONST_STR_LEN("\r\n--")); |
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buffer_append_string(b, boundary); |
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/* write Content-Range */ |
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buffer_append_string_len(b, CONST_STR_LEN("\r\nContent-Range: bytes ")); |
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buffer_append_off_t(b, start); |
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buffer_append_string_len(b, CONST_STR_LEN("-")); |
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buffer_append_off_t(b, end); |
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buffer_append_string_len(b, CONST_STR_LEN("/")); |
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buffer_append_off_t(b, sce->st.st_size); |
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buffer_append_string_len(b, CONST_STR_LEN("\r\nContent-Type: ")); |
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buffer_append_string_buffer(b, content_type); |
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/* write END-OF-HEADER */ |
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buffer_append_string_len(b, CONST_STR_LEN("\r\n\r\n")); |
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con->response.content_length += b->used - 1; |
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} |
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chunkqueue_append_file(con->write_queue, con->physical.path, start, end - start + 1); |
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con->response.content_length += end - start + 1; |
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} |
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} |
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/* something went wrong */ |
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if (error) return -1; |
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if (multipart) { |
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/* add boundary end */ |
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buffer *b; |
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b = chunkqueue_get_append_buffer(con->write_queue); |
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buffer_copy_string_len(b, "\r\n--", 4); |
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buffer_append_string(b, boundary); |
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buffer_append_string_len(b, "--\r\n", 4); |
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con->response.content_length += b->used - 1; |
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/* set header-fields */ |
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buffer_copy_string_len(p->range_buf, CONST_STR_LEN("multipart/byteranges; boundary=")); |
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buffer_append_string(p->range_buf, boundary); |
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/* overwrite content-type */ |
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response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_BUF_LEN(p->range_buf)); |
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} else { |
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/* add Content-Range-header */ |
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buffer_copy_string_len(p->range_buf, CONST_STR_LEN("bytes ")); |
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buffer_append_off_t(p->range_buf, start); |
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buffer_append_string_len(p->range_buf, CONST_STR_LEN("-")); |
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buffer_append_off_t(p->range_buf, end); |
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buffer_append_string_len(p->range_buf, CONST_STR_LEN("/")); |
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buffer_append_off_t(p->range_buf, sce->st.st_size); |
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response_header_insert(srv, con, CONST_STR_LEN("Content-Range"), CONST_BUF_LEN(p->range_buf)); |
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} |
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/* ok, the file is set-up */ |
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return 0; |
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} |
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URIHANDLER_FUNC(mod_staticfile_subrequest) { |
URIHANDLER_FUNC(mod_staticfile_subrequest) { |
plugin_data *p = p_d; |
plugin_data *p = p_d; |
size_t k; |
size_t k; |
stat_cache_entry *sce = NULL; |
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buffer *mtime = NULL; |
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data_string *ds; |
data_string *ds; |
int allow_caching = 1; |
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/* someone else has done a decision for us */ |
/* someone else has done a decision for us */ |
if (con->http_status != 0) return HANDLER_GO_ON; |
if (con->http_status != 0) return HANDLER_GO_ON; |
if (con->uri.path->used == 0) return HANDLER_GO_ON; | if (buffer_is_empty(con->uri.path)) return HANDLER_GO_ON; |
if (con->physical.path->used == 0) return HANDLER_GO_ON; | if (buffer_is_empty(con->physical.path)) return HANDLER_GO_ON; |
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/* someone else has handled this request */ |
/* someone else has handled this request */ |
if (con->mode != DIRECT) return HANDLER_GO_ON; |
if (con->mode != DIRECT) return HANDLER_GO_ON; |
Line 382 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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Line 176 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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mod_staticfile_patch_connection(srv, con, p); |
mod_staticfile_patch_connection(srv, con, p); |
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if (p->conf.disable_pathinfo && 0 != con->request.pathinfo->used) { | if (p->conf.disable_pathinfo && !buffer_string_is_empty(con->request.pathinfo)) { |
if (con->conf.log_request_handling) { |
if (con->conf.log_request_handling) { |
log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, pathinfo forbidden"); |
log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, pathinfo forbidden"); |
} |
} |
Line 393 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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Line 187 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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for (k = 0; k < p->conf.exclude_ext->used; k++) { |
for (k = 0; k < p->conf.exclude_ext->used; k++) { |
ds = (data_string *)p->conf.exclude_ext->data[k]; |
ds = (data_string *)p->conf.exclude_ext->data[k]; |
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if (ds->value->used == 0) continue; | if (buffer_is_empty(ds->value)) continue; |
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if (buffer_is_equal_right_len(con->physical.path, ds->value, ds->value->used - 1)) { | if (buffer_is_equal_right_len(con->physical.path, ds->value, buffer_string_length(ds->value))) { |
if (con->conf.log_request_handling) { |
if (con->conf.log_request_handling) { |
log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, extension forbidden"); |
log_error_write(srv, __FILE__, __LINE__, "s", "-- NOT handling file as static file, extension forbidden"); |
} |
} |
Line 408 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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Line 202 URIHANDLER_FUNC(mod_staticfile_subrequest) {
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log_error_write(srv, __FILE__, __LINE__, "s", "-- handling file as static file"); |
log_error_write(srv, __FILE__, __LINE__, "s", "-- handling file as static file"); |
} |
} |
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if (HANDLER_ERROR == stat_cache_get_entry(srv, con, con->physical.path, &sce)) { | if (!p->conf.etags_used) con->etag_flags = 0; |
con->http_status = 403; | http_response_send_file(srv, con, con->physical.path); |
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log_error_write(srv, __FILE__, __LINE__, "sbsb", | |
"not a regular file:", con->uri.path, | |
"->", con->physical.path); | |
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return HANDLER_FINISHED; | |
} | |
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/* we only handline regular files */ | |
#ifdef HAVE_LSTAT | |
if ((sce->is_symlink == 1) && !con->conf.follow_symlink) { | |
con->http_status = 403; | |
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if (con->conf.log_request_handling) { | |
log_error_write(srv, __FILE__, __LINE__, "s", "-- access denied due symlink restriction"); | |
log_error_write(srv, __FILE__, __LINE__, "sb", "Path :", con->physical.path); | |
} | |
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buffer_reset(con->physical.path); | |
return HANDLER_FINISHED; | |
} | |
#endif | |
if (!S_ISREG(sce->st.st_mode)) { | |
con->http_status = 404; | |
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if (con->conf.log_file_not_found) { | |
log_error_write(srv, __FILE__, __LINE__, "sbsb", | |
"not a regular file:", con->uri.path, | |
"->", sce->name); | |
} | |
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return HANDLER_FINISHED; | |
} | |
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/* mod_compress might set several data directly, don't overwrite them */ | |
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/* set response content-type, if not set already */ | |
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if (NULL == array_get_element(con->response.headers, "Content-Type")) { | |
if (buffer_is_empty(sce->content_type)) { | |
/* we are setting application/octet-stream, but also announce that | |
* this header field might change in the seconds few requests | |
* | |
* This should fix the aggressive caching of FF and the script download | |
* seen by the first installations | |
*/ | |
response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("application/octet-stream")); | |
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allow_caching = 0; | |
} else { | |
response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_BUF_LEN(sce->content_type)); | |
} | |
} | |
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if (con->conf.range_requests) { | |
response_header_overwrite(srv, con, CONST_STR_LEN("Accept-Ranges"), CONST_STR_LEN("bytes")); | |
} | |
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if (allow_caching) { | |
if (p->conf.etags_used && con->etag_flags != 0 && !buffer_is_empty(sce->etag)) { | |
if (NULL == array_get_element(con->response.headers, "ETag")) { | |
/* generate e-tag */ | |
etag_mutate(con->physical.etag, sce->etag); | |
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response_header_overwrite(srv, con, CONST_STR_LEN("ETag"), CONST_BUF_LEN(con->physical.etag)); | |
} | |
} | |
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/* prepare header */ | |
if (NULL == (ds = (data_string *)array_get_element(con->response.headers, "Last-Modified"))) { | |
mtime = strftime_cache_get(srv, sce->st.st_mtime); | |
response_header_overwrite(srv, con, CONST_STR_LEN("Last-Modified"), CONST_BUF_LEN(mtime)); | |
} else { | |
mtime = ds->value; | |
} | |
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if (HANDLER_FINISHED == http_response_handle_cachable(srv, con, mtime)) { | |
return HANDLER_FINISHED; | |
} | |
} | |
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if (con->request.http_range && con->conf.range_requests) { | |
int do_range_request = 1; | |
/* check if we have a conditional GET */ | |
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if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "If-Range"))) { | |
/* if the value is the same as our ETag, we do a Range-request, | |
* otherwise a full 200 */ | |
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if (ds->value->ptr[0] == '"') { | |
/** | |
* client wants a ETag | |
*/ | |
if (!con->physical.etag) { | |
do_range_request = 0; | |
} else if (!buffer_is_equal(ds->value, con->physical.etag)) { | |
do_range_request = 0; | |
} | |
} else if (!mtime) { | |
/** | |
* we don't have a Last-Modified and can match the If-Range: | |
* | |
* sending all | |
*/ | |
do_range_request = 0; | |
} else if (!buffer_is_equal(ds->value, mtime)) { | |
do_range_request = 0; | |
} | |
} | |
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if (do_range_request) { | |
/* content prepared, I'm done */ | |
con->file_finished = 1; | |
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if (0 == http_response_parse_range(srv, con, p)) { | |
con->http_status = 206; | |
} | |
return HANDLER_FINISHED; | |
} | |
} | |
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/* if we are still here, prepare body */ | |
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/* we add it here for all requests | |
* the HEAD request will drop it afterwards again | |
*/ | |
http_chunk_append_file(srv, con, con->physical.path, 0, sce->st.st_size); | |
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con->http_status = 200; | |
con->file_finished = 1; | |
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return HANDLER_FINISHED; |
return HANDLER_FINISHED; |
} |
} |