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
|
/*
pow! - the pow!erful package manager
Copyright (C) 2026 forever2k38
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "hash.h"
#include "log.h"
#include "package.h"
#include "curl/curl.h"
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
static size_t write_cb(char *ptr, size_t size, size_t nmemb, void *stream) {
size_t written = fwrite(ptr, size, nmemb, (FILE *)stream);
return written;
}
int pow_download_file(char *path, char *url) {
FILE *pagefile;
CURL *curl = curl_easy_init();
if (!curl) {
pow_log_error("failed to init curl");
return 1;
}
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_cb);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "pow! (codeberg.org/einfach/pow)");
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
pagefile = fopen(path, "wb");
if (!pagefile) {
pow_log_error("failed to open file to download");
curl_easy_cleanup(curl);
return 1;
}
curl_easy_setopt(curl, CURLOPT_WRITEDATA, pagefile);
CURLcode result = curl_easy_perform(curl);
curl_easy_cleanup(curl);
fclose(pagefile);
return result;
}
int pow_download_source(pow_package_source *src, const char *prefix) {
size_t len = strlen(prefix) + strlen(src->out) + 2;
char *full_path = malloc(len);
snprintf(full_path, len, "%s/%s", prefix, src->out);
pow_log_info("downloading source file: %s", src->in);
if (pow_download_file(full_path, src->in)) {
pow_log_error("failed to download sources, aborting");
free(full_path);
return 1;
}
if (pow_check_blake2b_hash(full_path, src->hash)) {
pow_log_error("hash mismatch. something is going wrong with downloading the file "
"or it may be tampered with.");
free(full_path);
return 1;
}
pow_log_info("hashes match, %s", src->hash);
free(full_path);
return 0;
}
|
