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Checking path existence

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This commit is contained in:
Sergey Lyubka 2014-01-26 11:24:24 +00:00
parent 8ae0400b0d
commit 83a9a726d3
1 changed files with 26 additions and 11 deletions
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37
examples/server.c
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@ -77,6 +77,8 @@ static int exit_flag;
static char server_name[50]; // Set by init_server_name()
static char config_file[PATH_MAX]; // Set by process_command_line_arguments()
static struct mg_server *server; // Set by start_mongoose()
static const char *s_default_document_root = ".";
static const char *s_default_listening_port = "8080";
#if !defined(CONFIG_FILE)
#define CONFIG_FILE "mongoose.conf"
@ -263,16 +265,18 @@ static char *get_option(char **options, const char *option_name) {
return NULL;
}
static void verify_existence(char **options, const char *option_name,
int must_be_dir) {
static int path_exists(const char *path, int is_dir) {
file_stat_t st;
const char *path = get_option(options, option_name);
return path == NULL || (stat(path, &st) == 0 &&
((S_ISDIR(st.st_mode) ? 1 : 0) == is_dir));
}
if (path != NULL && (stat(path, &st) != 0 ||
((S_ISDIR(st.st_mode) ? 1 : 0) != must_be_dir))) {
static void verify_existence(char **options, const char *name, int is_dir) {
const char *path = get_option(options, name);
if (!path_exists(path, is_dir)) {
notify("Invalid path for %s: [%s]: (%s). Make sure that path is either "
"absolute, or it is relative to mongoose executable.",
option_name, path, strerror(errno));
name, path, strerror(errno));
}
}
@ -396,8 +400,8 @@ static void start_mongoose(int argc, char *argv[]) {
}
options[0] = NULL;
set_option(options, "document_root", ".");
set_option(options, "listening_port", "8080");
set_option(options, "document_root", s_default_document_root);
set_option(options, "listening_port", s_default_listening_port);
// Update config based on command line arguments
process_command_line_arguments(argv, options);
@ -405,13 +409,19 @@ static void start_mongoose(int argc, char *argv[]) {
// Make sure we have absolute paths for files and directories
// https://github.com/valenok/mongoose/issues/181
set_absolute_path(options, "document_root", argv[0]);
set_absolute_path(options, "put_delete_auth_file", argv[0]);
set_absolute_path(options, "dav_auth_file", argv[0]);
set_absolute_path(options, "cgi_interpreter", argv[0]);
set_absolute_path(options, "access_log_file", argv[0]);
set_absolute_path(options, "error_log_file", argv[0]);
set_absolute_path(options, "global_auth_file", argv[0]);
set_absolute_path(options, "ssl_certificate", argv[0]);
if (!path_exists(get_option(options, "document_root"), 1)) {
set_option(options, "document_root", s_default_document_root);
set_absolute_path(options, "document_root", argv[0]);
notify("Setting document_root to [%s]",
mg_get_option(server, "document_root"));
}
// Make extra verification for certain options
verify_existence(options, "document_root", 1);
verify_existence(options, "cgi_interpreter", 0);
@ -420,7 +430,12 @@ static void start_mongoose(int argc, char *argv[]) {
for (i = 0; options[i] != NULL; i += 2) {
const char *msg = mg_set_option(server, options[i], options[i + 1]);
if (msg != NULL) {
notify("Failed to set option [%s]: %s", options[i], msg);
notify("Failed to set option [%s] to [%s]: %s",
options[i], options[i + 1], msg);
if (!strcmp(options[i], "listening_port")) {
mg_set_option(server, "listening_port", s_default_listening_port);
notify("Setting %s to [%s]", options[i], s_default_listening_port);
}
}
free(options[i]);
free(options[i + 1]);