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112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
// Copyright (c) 2020 Cesanta Software Limited
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// All rights reserved
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#include "mongoose.h"
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static const char *s_debug_level = "2";
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static const char *s_root_dir = ".";
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static const char *s_listening_address = "http://localhost:8000";
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static const char *s_enable_hexdump = "no";
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static const char *s_ssi_pattern = "#.shtml";
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static void cb(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_serve_opts opts = {s_root_dir, s_ssi_pattern};
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mg_http_serve_dir(c, ev_data, &opts);
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}
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(void) fn_data;
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}
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static void usage(const char *prog) {
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fprintf(stderr,
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"Mongoose v.%s, built " __DATE__ " " __TIME__
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"\nUsage: %s OPTIONS\n"
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" -D LEVEL - debug level, from 0 to 4, default: '%s'\n"
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" -H yes|no - enable traffic hexdump, default: '%s'\n"
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" -S GLOB - glob pattern for SSI files, default: '%s'\n"
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" -d DIR - directory to serve, default: '%s'\n"
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" -l ADDR - listening address, default: '%s'\n",
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MG_VERSION, prog, s_debug_level, s_enable_hexdump, s_ssi_pattern,
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s_root_dir, s_listening_address);
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exit(EXIT_FAILURE);
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}
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static void cfg(const char *progname, const char *optname, const char *value) {
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if (value == NULL) {
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usage(progname);
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} else if (strcmp(optname, "-D") == 0) {
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s_debug_level = value;
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} else if (strcmp(optname, "-H") == 0) {
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s_enable_hexdump = value;
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} else if (strcmp(optname, "-S") == 0) {
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s_ssi_pattern = value;
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} else if (strcmp(optname, "-d") == 0) {
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s_root_dir = value;
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} else if (strcmp(optname, "-l") == 0) {
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s_listening_address = value;
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} else {
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usage(progname);
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}
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LOG(LL_INFO, ("Setting option [%s] to [%s]", optname, value));
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}
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static void parse_config_file(const char *exe) {
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char path[1024];
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const char *p = strrchr(exe, MG_DIRSEP);
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FILE *fp;
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if (p == NULL) p = strrchr(exe, '/');
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snprintf(path, sizeof(path), "%.*s%c%s", p == NULL ? 1 : (int) (p - exe),
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p == NULL ? "." : exe, MG_DIRSEP, "mongoose.conf");
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if ((fp = fopen(path, "rb")) != NULL) {
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char line[8192], *name;
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int i, line_no = 0;
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LOG(LL_INFO, ("Processing config file %s", path));
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while (fgets(line, sizeof(line), fp) != NULL) {
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line_no++;
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// Trim whitespaces at the end
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for (i = strlen(line); i > 0 && isspace(line[i - 1]);) line[--i] = '\0';
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// Ignore empty lines and comments
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for (i = 0; isspace(line[i]);) i++;
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if (line[i] == '#' || line[i] == '\0') continue;
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name = &line[i];
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while (line[i] != '\0' && !isspace(line[i])) i++;
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if (line[i] != ' ') {
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LOG(LL_ERROR,
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("%s: ignoring invalid line %d: %s", path, line_no, line));
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} else {
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line[i++] = '\0'; // nul-terminate name
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while (isspace(line[i])) i++;
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cfg(exe, name, &line[i]);
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}
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}
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fclose(fp);
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}
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}
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int main(int argc, char *argv[]) {
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struct mg_mgr mgr;
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struct mg_connection *c;
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int i;
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// Configure options from a command-line flags and configuration file
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for (i = 1; i < argc; i += 2) cfg(argv[0], argv[i], argv[i + 1]);
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parse_config_file(argv[0]);
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// Initialise stuff
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mg_log_set(s_debug_level);
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mg_mgr_init(&mgr);
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if ((c = mg_http_listen(&mgr, s_listening_address, cb, &mgr)) == NULL) {
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LOG(LL_ERROR, ("Cannot listen on %s. Use http://ADDR:PORT or :PORT",
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s_listening_address));
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exit(EXIT_FAILURE);
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}
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if (mg_casecmp(s_enable_hexdump, "yes") == 0) c->is_hexdumping = 1;
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// Start infinite event loop
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LOG(LL_INFO, ("Starting Mongoose v%s, serving %s", MG_VERSION,
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realpath(s_root_dir, NULL)));
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for (;;) mg_mgr_poll(&mgr, 1000);
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mg_mgr_free(&mgr);
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return 0;
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}
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