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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
/*
* nanobbs, a tiny forums software.
* Copyright (C) 2025-2026 Xavier Del Campo Romero
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "endpoints.h"
#include "db.h"
#include "defs.h"
#include "auth.h"
#include "form.h"
#include <libweb/html.h>
#include <libweb/http.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
static int setup_passwd(struct html_node *const n, const char *const username)
{
int ret = -1;
struct dynstr ud;
struct html_node *div, *user, *form, *lold, *iold, *lnew,
*inew, *lcnew, *icnew, *submit;
dynstr_init(&ud);
if (dynstr_append(&ud, "User: %s", username))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
goto end;
}
else if (!(div = html_node_add_child(n, "div"))
|| !(form = html_node_add_child(div, "form"))
|| !(user = html_node_add_child(form, "label"))
|| !(lold = html_node_add_child(form, "label"))
|| !(iold = html_node_add_child(form, "input"))
|| !(lnew = html_node_add_child(form, "label"))
|| !(inew = html_node_add_child(form, "input"))
|| !(lcnew = html_node_add_child(form, "label"))
|| !(icnew = html_node_add_child(form, "input"))
|| !(submit = html_node_add_child(form, "input")))
{
fprintf(stderr, "%s: html_node_add_child failed\n", __func__);
goto end;
}
else if (html_node_add_attr(form, "action", "/passwd")
|| html_node_add_attr(form, "form", "passwdform")
|| html_node_add_attr(form, "method", "post")
|| html_node_add_attr(lold, "for", "old")
|| html_node_add_attr(lnew, "for", "new")
|| html_node_add_attr(lcnew, "for", "cnew")
|| html_node_add_attr(iold, "type", "password")
|| html_node_add_attr(iold, "id", "old")
|| html_node_add_attr(iold, "name", "old")
|| html_node_add_attr(inew, "type", "password")
|| html_node_add_attr(inew, "id", "new")
|| html_node_add_attr(inew, "name", "new")
|| html_node_add_attr(icnew, "type", "password")
|| html_node_add_attr(icnew, "id", "cnew")
|| html_node_add_attr(icnew, "name", "cnew")
|| html_node_add_attr(submit, "type", "submit")
|| html_node_add_attr(submit, "value", "Change password"))
{
fprintf(stderr, "%s: html_node_add_attr failed\n", __func__);
goto end;
}
else if (html_node_set_value(user, ud.str)
|| html_node_set_value(lold, "Current password:")
|| html_node_set_value(lnew, "New password:")
|| html_node_set_value(lcnew, "Confirm new password:"))
{
fprintf(stderr, "%s: html_node_set_value failed\n", __func__);
goto end;
}
ret = 0;
end:
dynstr_free(&ud);
return ret;
}
static int setup_useract(struct html_node *const div)
{
struct f
{
const char *text, *id, *url;
struct html_node *luser, *iuser, *form, *submit;
} fs[] =
{
{.text = "Ban user", .id = "banform", .url = "/confirm/ban"},
{.text = "Delete user", .id = "delform", .url = "/confirm/deluser"}
};
for (size_t i = 0; i < sizeof fs / sizeof *fs; i++)
{
struct f *const f = &fs[i];
if (!(f->form = html_node_add_child(div, "form"))
|| !(f->luser = html_node_add_child(f->form, "label"))
|| !(f->iuser = html_node_add_child(f->form, "input"))
|| !(f->submit = html_node_add_child(f->form, "input")))
{
fprintf(stderr, "%s: html_node_add_child failed\n", __func__);
return -1;
}
else if (html_node_add_attr(f->form, "action", f->url)
|| html_node_add_attr(f->form, "form", f->id)
|| html_node_add_attr(f->form, "method", "post")
|| html_node_add_attr(f->luser, "for", "user")
|| html_node_add_attr(f->iuser, "type", "text")
|| html_node_add_attr(f->iuser, "id", "user")
|| html_node_add_attr(f->iuser, "name", "user")
|| html_node_add_attr(f->submit, "type", "submit")
|| html_node_add_attr(f->submit, "value", f->text))
{
fprintf(stderr, "%s: html_node_add_attr failed\n", __func__);
return -1;
}
else if (html_node_set_value(f->luser, "Username:"))
{
fprintf(stderr, "%s: html_node_set_value failed\n", __func__);
return -1;
}
}
return 0;
}
static int setup(const struct http_payload *const p,
struct http_response *const r, void *const user, sqlite3 *const db,
const struct auth_user *const u)
{
int ret = -1, error;
struct html_node *root = NULL, *body, *div;
struct dynstr d;
dynstr_init(&d);
if (!u)
{
ret = form_unauthorized("Login required", r);
goto end;
}
else if (u->role <= AUTH_ROLE_BANNED)
{
ret = form_unauthorized("Banned account", r);
goto end;
}
else if (!(root = html_node_alloc("html")))
{
fprintf(stderr, "%s: html_node_alloc failed\n", __func__);
goto end;
}
else if (form_head(root))
{
fprintf(stderr, "%s: form_head failed\n", __func__);
goto end;
}
else if (!(body = html_node_add_child(root, "body"))
|| !(div = html_node_add_child(body, "div")))
{
fprintf(stderr, "%s: html_node_add_child failed\n", __func__);
goto end;
}
else if (setup_passwd(div, u->username))
{
fprintf(stderr, "%s: setup_passwd failed\n", __func__);
goto end;
}
else if (u->role >= AUTH_ROLE_MOD && setup_useract(div))
{
fprintf(stderr, "%s: setup_useract failed\n", __func__);
goto end;
}
else if (form_footer(body, p->resource))
{
fprintf(stderr, "%s: form_footer failed\n", __func__);
goto end;
}
else if (dynstr_append(&d, "%s", DOCTYPE_TAG))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
goto end;
}
else if (html_serialize(root, &d))
{
fprintf(stderr, "%s: html_serialize failed\n", __func__);
goto end;
}
*r = (const struct http_response)
{
.status = HTTP_STATUS_OK,
.buf.rw = d.str,
.n = d.len,
.free = free
};
ret = 0;
end:
if ((error = sqlite3_close(db)) != SQLITE_OK)
{
fprintf(stderr, "%s: sqlite3_close: %s\n", __func__,
sqlite3_errstr(error));
ret = -1;
}
if (ret)
dynstr_free(&d);
html_node_free(root);
return ret;
}
int ep_ucp(const struct http_payload *const p, struct http_response *const r,
void *const user)
{
const int n = auth_validate(p, r, user, setup);
if (n < 0)
fprintf(stderr, "%s: auth_validate failed\n", __func__);
else if (n)
return setup(p, r, user, NULL, NULL);
return n;
}
|
