| [4] | 1 | /* $Id: config.c 12 2024-09-13 13:36:03Z nishi $ */
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| 2 |
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| 3 | #include "tw_config.h"
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| 4 |
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| 5 | #include <stdio.h>
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| [7] | 6 | #include <stdint.h>
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| [4] | 7 | #include <stdlib.h>
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| 8 | #include <string.h>
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| [12] | 9 | #include <unistd.h>
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| [4] | 10 |
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| 11 | #include <cm_string.h>
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| 12 | #include <cm_log.h>
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| 13 |
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| [6] | 14 | struct tw_config config;
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| 15 |
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| [12] | 16 | struct tw_config_entry* tw_vhost_match(const char* name, int port) {
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| 17 | int i;
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| 18 | for(i = 0; i < config.vhost_count; i++) {
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| 19 | if(strcmp(config.vhosts[i].name, name) == 0 && config.vhosts[i].port == port) {
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| 20 | return &config.vhosts[i];
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| 21 | }
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| 22 | }
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| 23 | return &config.root;
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| 24 | }
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| 25 |
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| [7] | 26 | void tw_config_init(void) {
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| 27 | int i;
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| 28 | for(i = 0; i < MAX_PORTS + 1; i++) {
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| 29 | config.ports[i] = -1;
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| 30 | }
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| [12] | 31 | for(i = 0; i < MAX_VHOSTS; i++) {
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| 32 | config.vhosts[i].sslkey = NULL;
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| 33 | config.vhosts[i].sslcert = NULL;
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| 34 | }
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| 35 | config.root.sslkey = NULL;
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| 36 | config.root.sslcert = NULL;
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| 37 | config.vhost_count = 0;
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| 38 | gethostname(config.hostname, 1024);
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| [7] | 39 | }
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| [6] | 40 |
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| 41 | int tw_config_read(const char* path) {
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| [4] | 42 | cm_log("Config", "Reading %s", path);
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| 43 | char cbuf[2];
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| 44 | cbuf[1] = 0;
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| [6] | 45 | int ln = 0;
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| [4] | 46 | FILE* f = fopen(path, "r");
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| [6] | 47 | if(f != NULL) {
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| [4] | 48 | char* line = malloc(1);
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| 49 | line[0] = 0;
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| [6] | 50 | int stop = 0;
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| [12] | 51 | struct tw_config_entry* current = &config.root;
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| [6] | 52 | char* vhost = NULL;
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| 53 | while(stop == 0) {
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| [4] | 54 | int c = fread(cbuf, 1, 1, f);
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| [6] | 55 | if(cbuf[0] == '\n' || c <= 0) {
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| 56 | ln++;
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| [4] | 57 | char* l = cm_trim(line);
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| [6] | 58 | if(strlen(l) > 0 && l[0] != '#') {
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| [5] | 59 | char** r = cm_split(l, " \t");
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| 60 | int i;
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| [6] | 61 | if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")) {
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| 62 | for(i = 1; r[i] != NULL; i++) {
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| 63 | if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
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| 64 | stop = 1;
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| 65 | break;
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| [5] | 66 | }
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| 67 | }
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| [6] | 68 | } else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
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| 69 | if(vhost != NULL) {
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| [12] | 70 | cm_log("Config", "Already in virtual host section at line %d", ln);
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| [6] | 71 | stop = 1;
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| 72 | } else {
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| 73 | if(r[1] == NULL) {
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| [12] | 74 | cm_log("Config", "Missing virtual host at line %d", ln);
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| [6] | 75 | stop = 1;
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| 76 | } else {
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| 77 | vhost = cm_strdup(r[1]);
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| [12] | 78 | current = &config.vhosts[config.vhost_count++];
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| 79 | int i;
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| 80 | current->name = cm_strdup(vhost);
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| 81 | current->port = 80;
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| 82 | for(i = 0; vhost[i] != 0; i++) {
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| 83 | if(vhost[i] == ':') {
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| 84 | current->name[i] = 0;
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| 85 | current->port = atoi(current->name + i + 1);
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| 86 | break;
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| 87 | }
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| 88 | }
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| [6] | 89 | }
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| 90 | }
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| 91 | } else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
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| 92 | if(vhost == NULL) {
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| [12] | 93 | cm_log("Config", "Not in virtual host section at line %d", ln);
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| [6] | 94 | stop = 1;
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| 95 | } else {
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| 96 | free(vhost);
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| 97 | vhost = NULL;
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| [12] | 98 | current = &config.root;
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| [6] | 99 | }
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| [7] | 100 | } else if(cm_strcaseequ(r[0], "Listen") || cm_strcaseequ(r[0], "ListenSSL")) {
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| 101 | for(i = 1; r[i] != NULL; i++) {
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| 102 | uint64_t port = atoi(r[i]);
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| 103 | cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
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| 104 | if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1ULL << 32);
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| 105 | int j;
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| 106 | for(j = 0; config.ports[j] != -1; j++)
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| 107 | ;
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| 108 | config.ports[j] = port;
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| 109 | }
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| [12] | 110 | } else if(cm_strcaseequ(r[0], "SSLKey")) {
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| 111 | if(r[1] == NULL) {
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| 112 | cm_log("Config", "Missing path at line %d", ln);
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| 113 | stop = 1;
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| 114 | } else {
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| 115 | if(current->sslkey != NULL) free(current->sslkey);
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| 116 | current->sslkey = cm_strdup(r[1]);
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| 117 | }
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| 118 | } else if(cm_strcaseequ(r[0], "SSLCertificate")) {
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| 119 | if(r[1] == NULL) {
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| 120 | cm_log("Config", "Missing path at line %d", ln);
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| 121 | stop = 1;
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| 122 | } else {
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| 123 | if(current->sslcert != NULL) free(current->sslcert);
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| 124 | current->sslcert = cm_strdup(r[1]);
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| 125 | }
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| [6] | 126 | } else {
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| 127 | if(r[0] != NULL) {
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| 128 | cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
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| 129 | }
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| 130 | stop = 1;
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| [5] | 131 | }
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| 132 | for(i = 0; r[i] != NULL; i++) free(r[i]);
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| 133 | free(r);
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| [4] | 134 | }
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| 135 | free(l);
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| 136 | free(line);
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| 137 | line = malloc(1);
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| 138 | line[0] = 0;
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| 139 | if(c <= 0) break;
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| [6] | 140 | } else if(cbuf[0] != '\r') {
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| [4] | 141 | char* tmp = line;
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| 142 | line = cm_strcat(tmp, cbuf);
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| 143 | free(tmp);
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| 144 | }
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| 145 | }
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| 146 | free(line);
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| 147 | fclose(f);
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| [6] | 148 | return stop;
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| 149 | } else {
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| [5] | 150 | cm_log("Config", "Could not open the file");
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| [4] | 151 | return 1;
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| 152 | }
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| 153 | }
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