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"tincctl init" creates initial directory structure, tinc.conf and keypairs.

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This commit is contained in:
Guus Sliepen 2012-07-15 14:49:36 +02:00
parent 268c8545aa
commit a444ec3964
3 changed files with 87 additions and 0 deletions
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78
src/tincctl.c
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@ -73,6 +73,7 @@ static void usage(bool status) {
" --version Output version information and exit.\n"
"\n"
"Valid commands are:\n"
" init [name] Create initial configuration files.\n"
" start Start tincd.\n"
" stop Stop tincd.\n"
" restart Restart tincd.\n"
@ -616,6 +617,83 @@ int main(int argc, char *argv[]) {
return 1;
}
if(!strcasecmp(argv[optind], "init")) {
char *filename = NULL;
xasprintf(&filename, "%s/tinc.conf", confbase);
if(!access(confbase, F_OK)) {
fprintf(stderr, "Configuration file %s already exists!\n", filename);
return 1;
}
if(optind >= argc - 1) {
if(isatty(0) && isatty(1)) {
char buf[1024];
fprintf(stdout, "Enter the Name you want your tinc node to have: ");
fflush(stdout);
if(!fgets(buf, sizeof buf, stdin)) {
fprintf(stderr, "Error while reading stdin: %s\n", strerror(errno));
return 1;
}
int len = strlen(buf);
if(len)
buf[--len] = 0;
if(!len) {
fprintf(stderr, "No name given!\n");
return 1;
}
name = strdup(buf);
} else {
fprintf(stderr, "No Name given!\n");
return 1;
}
} else {
name = strdup(argv[optind + 1]);
if(!*name) {
fprintf(stderr, "No Name given!\n");
return 1;
}
}
for(int i = 0; i < strlen(name); i++) {
if(!isalnum(name[i]) && name[i] != '_') {
fprintf(stderr, "Invalid Name! Only a-z, A-Z, 0-9 and _ are allowed characters.\n");
return 1;
}
}
if(mkdir(CONFDIR, 0755) && errno != EEXIST) {
fprintf(stderr, "Could not create directory %s: %s\n", CONFDIR, strerror(errno));
return 1;
}
if(mkdir(confbase, 0755) && errno != EEXIST) {
fprintf(stderr, "Could not create directory %s: %s\n", confbase, strerror(errno));
return 1;
}
char *filename2 = NULL;
xasprintf(&filename2, "%s/hosts", confbase);
if(mkdir(filename2, 0755) && errno != EEXIST) {
fprintf(stderr, "Could not create directory %s: %s\n", filename, strerror(errno));
return 1;
}
FILE *f = fopen(filename, "w");
if(!f) {
fprintf(stderr, "Could not create file %s: %s\n", filename, strerror(errno));
return 1;
}
fprintf(f, "Name = %s\n", name);
fclose(f);
fclose(stdin);
if(!rsa_keygen(2048) || !ecdsa_keygen())
return false;
return true;
}
/*
* Now handle commands that do involve connecting to a running tinc daemon.
* Authenticate the server by ensuring the parent directory can be