source: Main/trunk/Server/config.c@ 17

Last change on this file since 17 was 17, checked in by Nishi, on Sep 14, 2024 at 2:41:07 AM

module system kinda works
  • Property svn:keywords set to Id
File size: 4.6 KB
Line 
1/* $Id: config.c 17 2024-09-13 17:41:07Z nishi $ */
2
3#define SOURCE
4
5#include "tw_config.h"
6#include "tw_module.h"
7
8#include <stdio.h>
9#include <stdint.h>
10#include <stdlib.h>
11#include <string.h>
12#include <unistd.h>
13
14#include <cm_string.h>
15#include <cm_log.h>
16
17struct tw_config config;
18
19struct tw_config_entry* tw_vhost_match(const char* name, int port) {
20 int i;
21 for(i = 0; i < config.vhost_count; i++) {
22 if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
23 return &config.vhosts[i];
24 }
25 }
26 return &config.root;
27}
28
29void tw_config_init(void) {
30 int i;
31 for(i = 0; i < MAX_PORTS + 1; i++) {
32 config.ports[i] = -1;
33 }
34 for(i = 0; i < MAX_VHOSTS; i++) {
35 config.vhosts[i].sslkey = NULL;
36 config.vhosts[i].sslcert = NULL;
37 }
38 config.root.sslkey = NULL;
39 config.root.sslcert = NULL;
40 config.vhost_count = 0;
41 config.server_root = cm_strdup(PREFIX);
42 gethostname(config.hostname, 1024);
43}
44
45int tw_config_read(const char* path) {
46 cm_log("Config", "Reading %s", path);
47 char cbuf[2];
48 cbuf[1] = 0;
49 int ln = 0;
50 FILE* f = fopen(path, "r");
51 if(f != NULL) {
52 char* line = malloc(1);
53 line[0] = 0;
54 int stop = 0;
55 struct tw_config_entry* current = &config.root;
56 char* vhost = NULL;
57 while(stop == 0) {
58 int c = fread(cbuf, 1, 1, f);
59 if(cbuf[0] == '\n' || c <= 0) {
60 ln++;
61 char* l = cm_trim(line);
62 if(strlen(l) > 0 && l[0] != '#') {
63 char** r = cm_split(l, " \t");
64 int i;
65 if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")) {
66 for(i = 1; r[i] != NULL; i++) {
67 if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
68 stop = 1;
69 break;
70 }
71 }
72 } else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
73 if(vhost != NULL) {
74 cm_log("Config", "Already in virtual host section at line %d", ln);
75 stop = 1;
76 } else {
77 if(r[1] == NULL) {
78 cm_log("Config", "Missing virtual host at line %d", ln);
79 stop = 1;
80 } else {
81 vhost = cm_strdup(r[1]);
82 current = &config.vhosts[config.vhost_count++];
83 int i;
84 current->name = cm_strdup(vhost);
85 current->port = -1;
86 for(i = 0; vhost[i] != 0; i++) {
87 if(vhost[i] == ':') {
88 current->name[i] = 0;
89 current->port = atoi(current->name + i + 1);
90 break;
91 }
92 }
93 }
94 }
95 } else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
96 if(vhost == NULL) {
97 cm_log("Config", "Not in virtual host section at line %d", ln);
98 stop = 1;
99 } else {
100 free(vhost);
101 vhost = NULL;
102 current = &config.root;
103 }
104 } else if(cm_strcaseequ(r[0], "Listen") || cm_strcaseequ(r[0], "ListenSSL")) {
105 for(i = 1; r[i] != NULL; i++) {
106 uint64_t port = atoi(r[i]);
107 cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
108 if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1ULL << 32);
109 int j;
110 for(j = 0; config.ports[j] != -1; j++)
111 ;
112 config.ports[j] = port;
113 }
114 } else if(cm_strcaseequ(r[0], "SSLKey")) {
115 if(r[1] == NULL) {
116 cm_log("Config", "Missing path at line %d", ln);
117 stop = 1;
118 } else {
119 if(current->sslkey != NULL) free(current->sslkey);
120 current->sslkey = cm_strdup(r[1]);
121 }
122 } else if(cm_strcaseequ(r[0], "SSLCertificate")) {
123 if(r[1] == NULL) {
124 cm_log("Config", "Missing path at line %d", ln);
125 stop = 1;
126 } else {
127 if(current->sslcert != NULL) free(current->sslcert);
128 current->sslcert = cm_strdup(r[1]);
129 }
130 } else if(cm_strcaseequ(r[0], "ServerRoot")) {
131 if(r[1] == NULL) {
132 cm_log("Config", "Missing path at line %d", ln);
133 stop = 1;
134 } else {
135 if(config.server_root != NULL) free(config.server_root);
136 config.server_root = cm_strdup(r[1]);
137 }
138 } else if(cm_strcaseequ(r[0], "LoadModule")) {
139 for(i = 1; r[i] != NULL; i++) {
140 void* mod = tw_module_load(r[i]);
141 if(mod != NULL) {
142 if(tw_module_init(mod) != 0) {
143 stop = 1;
144 break;
145 }
146 } else {
147 stop = 1;
148 break;
149 }
150 }
151 } else {
152 if(r[0] != NULL) {
153 cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
154 }
155 stop = 1;
156 }
157 for(i = 0; r[i] != NULL; i++) free(r[i]);
158 free(r);
159 }
160 free(l);
161 free(line);
162 line = malloc(1);
163 line[0] = 0;
164 if(c <= 0) break;
165 } else if(cbuf[0] != '\r') {
166 char* tmp = line;
167 line = cm_strcat(tmp, cbuf);
168 free(tmp);
169 }
170 }
171 free(line);
172 fclose(f);
173 return stop;
174 } else {
175 cm_log("Config", "Could not open the file");
176 return 1;
177 }
178}
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