summaryrefslogtreecommitdiff
path: root/src/c/cgi.c
blob: 50d64f58191a784df6c4d64ca118afb0fb49993f (plain)
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
132
133
134
135
136
137
138
139
140
141
#include "config.h"

#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>

#include "urweb.h"
#include "request.h"

extern uw_app uw_application;

static char *uppercased;
static size_t uppercased_len;

static char *get_header(void *data, const char *h) {
  size_t len = strlen(h);
  char *s, *r;
  const char *saved_h = h;

  if (len > uppercased_len) {
    uppercased_len = len;
    uppercased = realloc(uppercased, len + 6);
  }

  strcpy(uppercased, "HTTP_");
  for (s = uppercased+5; *h; ++h)
    *s++ = *h == '-' ? '_' : toupper((int)*h);
  *s = 0;

  if ((r = getenv(uppercased)))
    return r;
  else if (!strcasecmp(saved_h, "Content-length")
           || !strcasecmp(saved_h, "Content-type"))
    return getenv(uppercased + 5);
  else
    return NULL;
}

static void on_success(uw_context ctx) { }

static void on_failure(uw_context ctx) {
  uw_write_header(ctx, "Status: 500 Internal Server Error\r\n");
}

static void log_error(void *data, const char *fmt, ...) {
  va_list ap;
  va_start(ap, fmt);

  vfprintf(stderr, fmt, ap);
}

static void log_debug(void *data, const char *fmt, ...) {
}

int main(int argc, char *argv[]) {
  uw_context ctx = uw_request_new_context(&uw_application, NULL, log_error, log_debug);
  uw_request_context rc = uw_new_request_context();
  request_result rr;
  char *method = getenv("REQUEST_METHOD"),
    *path = getenv("SCRIPT_NAME"), *path_info = getenv("PATH_INFO"),
    *query_string = getenv("QUERY_STRING");
  char *body = malloc(1);
  ssize_t body_len = 1, body_pos = 0, res;

  uppercased = malloc(6);

  if (!method) {
    log_error(NULL, "REQUEST_METHOD not set\n");
    exit(1);
  }

  if (!path) {
    log_error(NULL, "SCRIPT_NAME not set\n");
    exit(1);
  }

  if (path_info) {
    char *new_path = malloc(strlen(path) + strlen(path_info) + 1);
    sprintf(new_path, "%s%s", path, path_info);
    path = new_path;
  }

  if (!query_string)
    query_string = "";

  while ((res = read(0, body + body_pos, body_len - body_pos)) > 0) {
    body_pos += res;

    if (body_pos == body_len) {
      body_len *= 2;
      body = realloc(body, body_len);
    }
  }

  if (res < 0) {
    log_error(NULL, "Error reading stdin\n");
    exit(1);
  }

  uw_set_on_success("");
  uw_set_headers(ctx, get_header, NULL);
  uw_request_init(&uw_application, NULL, log_error, log_debug);

  body[body_pos] = 0;
  rr = uw_request(rc, ctx, method, path, query_string, body, body_pos,
                  on_success, on_failure,
                  NULL, log_error, log_debug,
                  -1, NULL, NULL);
  uw_print(ctx, 1);

  if (rr == SERVED)
    return 0;
  else
    return 1;
}

void *uw_init_client_data() {
  return NULL;
}

void uw_free_client_data(void *data) {
}

void uw_copy_client_data(void *dst, void *src) {
}

void uw_do_expunge(uw_context ctx, uw_Basis_client cli, void *data) {
  if (uw_get_app(ctx)->db_begin(ctx))
    uw_error(ctx, FATAL, "Error running SQL BEGIN");
  uw_get_app(ctx)->expunger(ctx, cli);
  if (uw_get_app(ctx)->db_commit(ctx))
    uw_error(ctx, FATAL, "Error running SQL COMMIT");
}

void uw_post_expunge(uw_context ctx, void *data) {
}

int uw_supports_direct_status = 1;