1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_errno.h>
#include <ngx_string.h>
#include <ngx_files.h>
#include <ngx_config_command.h>
#include <ngx_http.h>
#include <ngx_http_config.h>
#include <ngx_http_index_handler.h>
static void *ngx_http_index_create_conf(ngx_pool_t *pool);
static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, char *value);
static ngx_command_t ngx_http_index_commands[];
ngx_http_module_t ngx_http_index_module = {
NGX_HTTP_MODULE,
NULL, /* create server config */
ngx_http_index_create_conf, /* create location config */
ngx_http_index_commands, /* module directives */
NULL, /* init module */
NULL, /* init output body filter */
};
static ngx_command_t ngx_http_index_commands[] = {
{"index", ngx_http_index_set_index, NULL,
NGX_HTTP_LOC_CONF, NGX_CONF_ITERATE,
"set index files"},
{NULL}
};
int ngx_http_index_handler(ngx_http_request_t *r)
{
int index_len, i;
char *name, *loc, *file;
ngx_err_t err;
ngx_fd_t fd;
ngx_http_index_file_t *index;
ngx_http_index_conf_t *cf;
cf = (ngx_http_index_conf_t *)
ngx_get_module_loc_conf(r, ngx_http_index_module);
index_len = (*(r->uri_end - 1) == '/') ? cf->max_index_len : 0;
ngx_test_null(name,
ngx_palloc(r->pool, r->uri_end - r->uri_start + index_len
+ r->server->doc_root_len),
NGX_HTTP_INTERNAL_SERVER_ERROR);
loc = ngx_cpystrn(name, r->server->doc_root, r->server->doc_root_len);
file = ngx_cpystrn(loc, r->uri_start, r->uri_end - r->uri_start + 1);
index = (ngx_http_index_file_t *) cf->indices->elts;
for (i = 0; i < cf->indices->nelts; i++) {
ngx_memcpy(file, index[i].name, index[i].len);
fd = ngx_open_file(name, NGX_FILE_RDONLY);
if (fd == -1) {
err = ngx_errno;
if (err == NGX_ENOENT)
continue;
ngx_log_error(NGX_LOG_ERR, r->connection->log, err,
ngx_open_file_n " %s failed", name);
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
r->filename = name;
r->fd = fd;
return ngx_http_internal_redirect(r, loc);
}
return NGX_DECLINED;
}
static void *ngx_http_index_create_conf(ngx_pool_t *pool)
{
ngx_http_index_conf_t *conf;
ngx_test_null(conf, ngx_pcalloc(pool, sizeof(ngx_http_index_conf_t)), NULL);
ngx_test_null(conf->indices,
ngx_create_array(pool, sizeof(ngx_http_index_file_t), 3),
NULL);
return conf;
}
static void *ngx_http_index_merge_conf(ngx_pool_t *p, void *parent, void *child)
{
ngx_http_index_conf_t *prev = (ngx_http_index_conf_t *) parent;
ngx_http_index_conf_t *conf = (ngx_http_index_conf_t *) child;
ngx_http_index_file_t *index;
if (conf->max_index_len == 0) {
if (prev->max_index_len != 0)
return prev;
ngx_test_null(index, ngx_push_array(conf->indices), NULL);
index->name = NGX_HTTP_INDEX;
conf->max_index_len = index->len = sizeof(NGX_HTTP_INDEX) + 1;
}
return conf;
}
static char *ngx_http_index_set_index(ngx_pool_t *p, void *conf, char *value)
{
ngx_http_index_conf_t *cf = (ngx_http_index_conf_t *) conf;
ngx_http_index_file_t *index;
ngx_test_null(index, ngx_push_array(cf->indices), NULL);
index->name = value;
index->len = strlen(value) + 1;
if (cf->max_index_len < index->len)
cf->max_index_len = index->len;
return NULL;
}
|
