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Get hostnames with reverse DNS

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This commit is contained in:
Lorenz Stechauner
2020-12-28 23:32:37 +01:00
parent cf8862100a
commit ee7d1e086b
4 changed files with 55 additions and 27 deletions
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25
src/fastcgi.c
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@ -118,17 +118,8 @@ int fastcgi_init(fastcgi_conn *conn, unsigned int client_num, unsigned int req_n
addr = (struct sockaddr_in6 *) &addr_storage;
sprintf(buf0, "%i", addr->sin6_port);
param_ptr = fastcgi_add_param(param_ptr, "REMOTE_PORT", buf0);
char addr_str[INET6_ADDRSTRLEN];
char *addr_ptr;
inet_ntop(addr->sin6_family, (void *) &addr->sin6_addr, addr_str, INET6_ADDRSTRLEN);
if (strncmp(addr_str, "::ffff:", 7) == 0) {
addr_ptr = addr_str + 7;
} else {
addr_ptr = addr_str;
}
param_ptr = fastcgi_add_param(param_ptr, "REMOTE_ADDR", addr_ptr);
param_ptr = fastcgi_add_param(param_ptr, "REMOTE_HOST", addr_ptr);
param_ptr = fastcgi_add_param(param_ptr, "REMOTE_ADDR", client_addr_str);
param_ptr = fastcgi_add_param(param_ptr, "REMOTE_HOST", client_host_str != NULL ? client_host_str : client_addr_str);
//param_ptr = fastcgi_add_param(param_ptr, "REMOTE_IDENT", "");
//param_ptr = fastcgi_add_param(param_ptr, "REMOTE_USER", "");
@ -287,12 +278,12 @@ int fastcgi_header(fastcgi_conn *conn, http_res *res, char *err_msg) {
res->status = http_get_status(502);
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
print(ERR_STR "Unable to receive from PHP-FPM: %s" CLR_STR, strerror(errno));
return -1;
return 1;
} else if (ret != sizeof(header)) {
res->status = http_get_status(502);
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
print(ERR_STR "Unable to receive from PHP-FPM" CLR_STR);
return -1;
return 1;
}
req_id = (header.requestIdB1 << 8) | header.requestIdB0;
content_len = (header.contentLengthB1 << 8) | header.contentLengthB0;
@ -303,13 +294,13 @@ int fastcgi_header(fastcgi_conn *conn, http_res *res, char *err_msg) {
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
print(ERR_STR "Unable to receive from PHP-FPM: %s" CLR_STR, strerror(errno));
free(content);
return -1;
return 1;
} else if (ret != (content_len + header.paddingLength)) {
res->status = http_get_status(502);
sprintf(err_msg, "Unable to communicate with PHP-FPM.");
print(ERR_STR "Unable to receive from PHP-FPM" CLR_STR);
free(content);
return -1;
return 1;
}
if (req_id != conn->req_id) {
@ -329,7 +320,7 @@ int fastcgi_header(fastcgi_conn *conn, http_res *res, char *err_msg) {
close(conn->socket);
conn->socket = 0;
free(content);
return -2;
return 1;
} else if (header.type == FCGI_STDERR) {
err = err || fastcgi_php_error(content, content_len, err_msg);
} else if (header.type == FCGI_STDOUT) {
@ -342,7 +333,7 @@ int fastcgi_header(fastcgi_conn *conn, http_res *res, char *err_msg) {
}
if (err) {
res->status = http_get_status(500);
return -3;
return 2;
}
conn->out_buf = content;