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#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "servicecmd.h"
static int cmd_enable(int argc, char **argv)
{
char *target, *linkname, *ptr;
int ret = EXIT_FAILURE;
struct stat sb;
if (argc < 2 || argc > 3) {
fputs("Wrong number of arguments for `enable'.\n"
"Try `service help enable' for more information.\n",
stderr);
return EXIT_FAILURE;
}
for (ptr = argv[1]; isalnum(*ptr) || *ptr == '_'; ++ptr)
;
if (*ptr != '\0') {
fprintf(stderr, "Invalid service name '%s'\n", argv[1]);
return EXIT_FAILURE;
}
if (asprintf(&target, "%s/%s", TEMPLATEDIR, argv[1]) < 0) {
perror("asprintf");
return EXIT_FAILURE;
}
if (stat(target, &sb)) {
fprintf(stderr, "%s: %s\n", target, strerror(errno));
goto out_tgt;
}
if ((sb.st_mode & S_IFMT) != S_IFREG) {
fprintf(stderr, "%s: must be a regular file\n", target);
goto out_tgt;
}
if (argc == 3) {
ret = asprintf(&linkname, "%s/%s@%s",
SVCDIR, argv[1], argv[2]);
} else {
ret = asprintf(&linkname, "%s/%s", SVCDIR, argv[1]);
}
if (ret < 0) {
perror("asprintf");
goto out_tgt;
}
if (symlink(target, linkname)) {
fprintf(stderr, "creating symlink '%s' -> '%s: %s\n",
linkname, target, strerror(errno));
goto out;
}
ret = EXIT_SUCCESS;
out:
free(linkname);
out_tgt:
free(target);
return ret;
}
static command_t enable = {
.cmd = "enable",
.usage = "<name> [argument]",
.s_desc = "enable a service",
.l_desc = "This marks a service as enabled by creating a symlink in "
SVCDIR " pointing to the template file in " TEMPLATEDIR ". "
"An optional argument can be supplied to parameterize the "
"template.",
.run_cmd = cmd_enable,
};
REGISTER_COMMAND(enable)
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