369394be11
git-svn-id: file:///raid/svn-personal/tewi/trunk@33 8739d7e6-ffea-ec47-b151-bdff447c6205
325 lines
9.0 KiB
C
325 lines
9.0 KiB
C
/* $Id$ */
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#define SOURCE
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#include "tw_config.h"
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#include "tw_module.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef __MINGW32__
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#include <winsock2.h>
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#endif
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#include <cm_string.h>
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#include <cm_log.h>
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struct tw_config config;
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struct tw_config_entry* tw_vhost_match(const char* name, int port) {
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int i;
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for(i = 0; i < config.vhost_count; i++) {
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if(strcmp(config.vhosts[i].name, name) == 0 && (config.vhosts[i].port == -1 ? 1 : config.vhosts[i].port == port)) {
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return &config.vhosts[i];
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}
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}
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return &config.root;
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}
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bool tw_permission_allowed(const char* path, SOCKADDR addr, struct tw_http_request req, struct tw_config_entry* vhost) {
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int i;
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bool found = false;
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bool pathstart = false;
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bool perm = false;
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again:
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for(i = 0; i < vhost->dir_count; i++) {
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struct tw_dir_entry* e = &vhost->dirs[i];
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pathstart = false;
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if(strlen(path) >= strlen(e->dir)) {
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pathstart = true;
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int j;
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for(j = 0; path[j] != 0 && e->dir[j] != 0; j++) {
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if(path[j] != e->dir[j]) {
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pathstart = false;
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break;
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}
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}
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}
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char* noslash = cm_strdup(e->dir);
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noslash[strlen(noslash) - 1] = 0;
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if(strcmp(e->dir, path) == 0 || strcmp(noslash, path) == 0 || pathstart) {
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found = true;
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if(strcmp(e->name, "all") == 0) {
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perm = e->type == TW_DIR_ALLOW;
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}
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}
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free(noslash);
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}
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if(!found && vhost != &config.root) {
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vhost = &config.root;
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goto again;
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}
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return perm;
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}
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void tw_config_init(void) {
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int i;
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for(i = 0; i < MAX_PORTS + 1; i++) {
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config.ports[i] = -1;
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}
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for(i = 0; i < MAX_VHOSTS; i++) {
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config.vhosts[i].sslkey = NULL;
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config.vhosts[i].sslcert = NULL;
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config.vhosts[i].root = NULL;
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}
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config.root.sslkey = NULL;
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config.root.sslcert = NULL;
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config.root.root = NULL;
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config.root.mime_count = 0;
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config.root.dir_count = 0;
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config.root.icon_count = 0;
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config.root.index_count = 0;
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config.root.readme_count = 0;
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config.vhost_count = 0;
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config.module_count = 0;
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config.extension = NULL;
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config.server_root = cm_strdup(PREFIX);
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gethostname(config.hostname, 1024);
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}
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int tw_config_read(const char* path) {
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cm_log("Config", "Reading %s", path);
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char cbuf[2];
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cbuf[1] = 0;
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int ln = 0;
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FILE* f = fopen(path, "r");
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if(f != NULL) {
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char* line = malloc(1);
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line[0] = 0;
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int stop = 0;
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struct tw_config_entry* current = &config.root;
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char* vhost = NULL;
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char* dir = NULL;
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while(stop == 0) {
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int c = fread(cbuf, 1, 1, f);
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if(cbuf[0] == '\n' || c <= 0) {
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ln++;
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char* l = cm_trim(line);
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if(strlen(l) > 0 && l[0] != '#') {
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char** r = cm_split(l, " \t");
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int i;
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if(cm_strcaseequ(r[0], "Include") || cm_strcaseequ(r[0], "IncludeOptional")) {
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for(i = 1; r[i] != NULL; i++) {
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if(tw_config_read(r[i]) != 0 && cm_strcaseequ(r[0], "Include")) {
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stop = 1;
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break;
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}
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}
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} else if(cm_strcaseequ(r[0], "BeginDirectory")) {
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if(dir != NULL) {
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cm_log("Config", "Already in directory section at line %d", ln);
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stop = 1;
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} else {
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if(r[1] == NULL) {
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cm_log("Config", "Missing directory at line %d", ln);
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stop = 1;
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} else {
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dir = cm_strcat(r[1], r[1][strlen(r[1]) - 1] == '/' ? "" : "/");
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}
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}
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} else if(cm_strcaseequ(r[0], "EndDirectory")) {
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if(dir == NULL) {
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cm_log("Config", "Not in directory section at line %d", ln);
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stop = 1;
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} else {
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free(dir);
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dir = NULL;
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}
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} else if(cm_strcaseequ(r[0], "Allow")) {
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if(dir == NULL) {
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cm_log("Config", "Not in directory section at line %d", ln);
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stop = 1;
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} else {
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if(r[1] == NULL) {
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cm_log("Config", "Missing argument at line %d", ln);
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stop = 1;
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} else {
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struct tw_dir_entry* e = ¤t->dirs[current->dir_count++];
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e->name = cm_strdup(r[1]);
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e->dir = cm_strdup(dir);
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e->type = TW_DIR_ALLOW;
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}
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}
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} else if(cm_strcaseequ(r[0], "Deny")) {
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if(dir == NULL) {
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cm_log("Config", "Not in directory section at line %d", ln);
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stop = 1;
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} else {
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if(r[1] == NULL) {
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cm_log("Config", "Missing argument at line %d", ln);
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stop = 1;
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} else {
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struct tw_dir_entry* e = ¤t->dirs[current->dir_count++];
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e->name = cm_strdup(r[1]);
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e->dir = cm_strdup(dir);
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e->type = TW_DIR_DENY;
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}
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}
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} else if(cm_strcaseequ(r[0], "BeginVirtualHost")) {
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if(vhost != NULL) {
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cm_log("Config", "Already in virtual host section at line %d", ln);
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stop = 1;
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} else {
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if(r[1] == NULL) {
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cm_log("Config", "Missing virtual host at line %d", ln);
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stop = 1;
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} else {
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vhost = cm_strdup(r[1]);
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current = &config.vhosts[config.vhost_count++];
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current->dir_count = 0;
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current->mime_count = 0;
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current->icon_count = 0;
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current->index_count = 0;
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current->readme_count = 0;
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int i;
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current->name = cm_strdup(vhost);
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current->port = -1;
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for(i = 0; vhost[i] != 0; i++) {
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if(vhost[i] == ':') {
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current->name[i] = 0;
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current->port = atoi(current->name + i + 1);
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break;
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}
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}
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}
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}
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} else if(cm_strcaseequ(r[0], "EndVirtualHost")) {
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if(vhost == NULL) {
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cm_log("Config", "Not in virtual host section at line %d", ln);
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stop = 1;
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} else {
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free(vhost);
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vhost = NULL;
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current = &config.root;
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}
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} else if(cm_strcaseequ(r[0], "Listen") || cm_strcaseequ(r[0], "ListenSSL")) {
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for(i = 1; r[i] != NULL; i++) {
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uint64_t port = atoi(r[i]);
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cm_log("Config", "Going to listen at port %d%s", (int)port, cm_strcaseequ(r[0], "ListenSSL") ? " with SSL" : "");
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if(cm_strcaseequ(r[0], "ListenSSL")) port |= (1ULL << 32);
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int j;
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for(j = 0; config.ports[j] != -1; j++)
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;
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config.ports[j] = port;
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}
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} else if(cm_strcaseequ(r[0], "SSLKey")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing path at line %d", ln);
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stop = 1;
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} else {
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if(current->sslkey != NULL) free(current->sslkey);
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current->sslkey = cm_strdup(r[1]);
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}
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} else if(cm_strcaseequ(r[0], "SSLCertificate")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing path at line %d", ln);
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stop = 1;
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} else {
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if(current->sslcert != NULL) free(current->sslcert);
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current->sslcert = cm_strdup(r[1]);
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}
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} else if(cm_strcaseequ(r[0], "DocumentRoot")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing path at line %d", ln);
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stop = 1;
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} else {
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if(current->root != NULL) free(current->root);
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current->root = cm_strdup(strcmp(r[1], "/") == 0 ? "" : r[1]);
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}
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} else if(cm_strcaseequ(r[0], "ServerRoot")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing path at line %d", ln);
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stop = 1;
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} else {
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if(config.server_root != NULL) free(config.server_root);
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config.server_root = cm_strdup(r[1]);
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}
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} else if(cm_strcaseequ(r[0], "MIMEType")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing extension at line %d", ln);
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stop = 1;
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} else if(r[2] == NULL) {
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cm_log("Config", "Missing MIME at line %d", ln);
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stop = 1;
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} else {
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struct tw_mime_entry* e = ¤t->mimes[current->mime_count++];
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e->ext = cm_strdup(r[1]);
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e->mime = cm_strdup(r[2]);
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}
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} else if(cm_strcaseequ(r[0], "Icon")) {
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if(r[1] == NULL) {
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cm_log("Config", "Missing MIME at line %d", ln);
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stop = 1;
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} else if(r[2] == NULL) {
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cm_log("Config", "Missing path at line %d", ln);
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stop = 1;
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} else {
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struct tw_icon_entry* e = ¤t->icons[current->icon_count++];
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e->mime = cm_strdup(r[1]);
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e->icon = cm_strdup(r[2]);
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}
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} else if(cm_strcaseequ(r[0], "LoadModule")) {
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for(i = 1; r[i] != NULL; i++) {
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void* mod = tw_module_load(r[i]);
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if(mod != NULL) {
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config.modules[config.module_count++] = mod;
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if(tw_module_init(mod) != 0) {
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stop = 1;
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break;
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}
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} else {
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stop = 1;
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break;
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}
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}
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} else if(cm_strcaseequ(r[0], "DirectoryIndex")) {
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for(i = 1; r[i] != NULL; i++) {
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current->indexes[current->index_count++] = cm_strdup(r[i]);
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}
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} else if(cm_strcaseequ(r[0], "Readme")) {
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for(i = 1; r[i] != NULL; i++) {
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current->readmes[current->readme_count++] = cm_strdup(r[i]);
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}
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} else {
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if(r[0] != NULL) {
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cm_log("Config", "Unknown directive `%s' at line %d", r[0], ln);
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}
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stop = 1;
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}
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for(i = 0; r[i] != NULL; i++) free(r[i]);
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free(r);
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}
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free(l);
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free(line);
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line = malloc(1);
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line[0] = 0;
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if(c <= 0) break;
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} else if(cbuf[0] != '\r') {
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char* tmp = line;
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line = cm_strcat(tmp, cbuf);
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free(tmp);
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}
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}
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free(line);
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fclose(f);
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return stop;
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} else {
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cm_log("Config", "Could not open the file");
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return 1;
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}
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}
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