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Added --cors command line argument

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This commit is contained in:
André Kugland 2022-11-19 09:12:27 -03:00
parent 976682f161
commit c7dbf72061
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GPG Key ID: 1DA9381780CDD833
1 changed files with 28 additions and 3 deletions
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darkhttpd.c
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@ -305,6 +305,7 @@ static int want_chroot = 0, want_daemon = 0, want_accf = 0,
want_keepalive = 1, want_server_id = 1;
static char *server_hdr = NULL;
static char *auth_key = NULL;
static char *cors_hdr = NULL;
static uint64_t num_requests = 0, total_in = 0, total_out = 0;
static int accepting = 1; /* set to 0 to stop accept()ing */
static int syslog_enabled = 0;
@ -935,6 +936,10 @@ static void usage(const char *argv0) {
"\t\tIf the client requested HTTP, forward to HTTPS.\n"
"\t\tThis is useful if darkhttpd is behind a reverse proxy\n"
"\t\tthat supports SSL.\n\n");
printf("\t--cors value (default: unset)\n"
"\t\tEnable Cross-Origin Resource Sharing (CORS).\n"
"\t\tThis will set the Access-Control-Allow-Origin header to\n"
"\t\tthe specified value. Use '*' to allow all origins.\n\n");
#ifdef HAVE_INET6
printf("\t--ipv6\n"
"\t\tListen on IPv6 address.\n\n");
@ -1151,6 +1156,11 @@ static void parse_commandline(const int argc, char *argv[]) {
else if (strcmp(argv[i], "--forward-https") == 0) {
forward_to_https = 1;
}
else if (strcmp(argv[i], "--cors") == 0) {
if (++i >= argc)
errx(1, "missing origin after --cors");
xasprintf(&cors_hdr, "Access-Control-Allow-Origin: %s\r\n", argv[i]);
}
#ifdef HAVE_INET6
else if (strcmp(argv[i], "--ipv6") == 0) {
inet6 = 1;
@ -1536,11 +1546,13 @@ static void default_reply(struct connection *conn,
"%s" /* server */
"Accept-Ranges: bytes\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"Content-Length: %llu\r\n"
"Content-Type: text/html; charset=UTF-8\r\n"
"%s"
"\r\n",
errcode, errname, date, server_hdr, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""),
llu(conn->reply_length),
(auth_key != NULL ? auth_header : ""));
@ -1580,10 +1592,13 @@ static void redirect(struct connection *conn, const char *format, ...) {
/* "Accept-Ranges: bytes\r\n" - not relevant here */
"Location: %s\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"Content-Length: %llu\r\n"
"Content-Type: text/html; charset=UTF-8\r\n"
"\r\n",
date, server_hdr, where, keep_alive(conn), llu(conn->reply_length));
date, server_hdr, where, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""),
llu(conn->reply_length));
free(where);
conn->reply_type = REPLY_GENERATED;
@ -2015,10 +2030,13 @@ static void generate_dir_listing(struct connection *conn, const char *path,
"%s" /* server */
"Accept-Ranges: bytes\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"Content-Length: %llu\r\n"
"Content-Type: text/html; charset=UTF-8\r\n"
"\r\n",
date, server_hdr, keep_alive(conn), llu(conn->reply_length));
date, server_hdr, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""),
llu(conn->reply_length));
conn->reply_type = REPLY_GENERATED;
conn->http_code = 200;
@ -2158,8 +2176,10 @@ static void process_get(struct connection *conn) {
"%s" /* server */
"Accept-Ranges: bytes\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"\r\n",
rfc1123_date(date, now), server_hdr, keep_alive(conn));
rfc1123_date(date, now), server_hdr, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""));
conn->reply_length = 0;
conn->reply_type = REPLY_GENERATED;
conn->header_only = 1;
@ -2219,6 +2239,7 @@ static void process_get(struct connection *conn) {
"%s" /* server */
"Accept-Ranges: bytes\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"Content-Length: %llu\r\n"
"Content-Range: bytes %llu-%llu/%llu\r\n"
"Content-Type: %s\r\n"
@ -2226,6 +2247,7 @@ static void process_get(struct connection *conn) {
"\r\n"
,
rfc1123_date(date, now), server_hdr, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""),
llu(conn->reply_length), llu(from), llu(to),
llu(filestat.st_size), mimetype, lastmod
);
@ -2243,12 +2265,14 @@ static void process_get(struct connection *conn) {
"%s" /* server */
"Accept-Ranges: bytes\r\n"
"%s" /* keep-alive */
"%s" /* cors header */
"Content-Length: %llu\r\n"
"Content-Type: %s\r\n"
"Last-Modified: %s\r\n"
"\r\n"
,
rfc1123_date(date, now), server_hdr, keep_alive(conn),
(cors_hdr != NULL ? cors_hdr : ""),
llu(conn->reply_length), mimetype, lastmod
);
conn->http_code = 200;
@ -2880,6 +2904,7 @@ int main(int argc, char **argv) {
free(wwwroot);
free(server_hdr);
free(auth_key);
free(cors_hdr);
}
/* usage stats */