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/* test application for control port library */
#include <time.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <assert.h>
#include <dirent.h>
#include "controlport.h"
#include "utstring.h"
#define SOCKETNAME "./socket"
int put_cmd(void *cp, cp_arg_t *arg, void *data) {
int fd=-1, rc = -1, n;
char buf[100], *file, *body;
size_t blen;
if (arg->argc != 3) {
snprintf(buf,sizeof(buf),"usage: %s name <name\n",arg->argv[0]);
cp_add_reply(cp, buf, strlen(buf));
goto done;
}
file = arg->argv[1];
body = arg->argv[2];
blen = arg->lenv[2];
fd = open(file, O_WRONLY|O_TRUNC|O_CREAT, 0700);
if (fd == -1) {
snprintf(buf,sizeof(buf),"open %s failed: %s\n", file, strerror(errno));
cp_add_reply(cp, buf, strlen(buf));
goto done;
}
if ( (n=write(fd, body, blen)) != blen) {
snprintf(buf,sizeof(buf),"error writing to %s\n", file);
cp_add_reply(cp, buf, strlen(buf));
goto done;
}
snprintf(buf,sizeof(buf),"wrote %zu bytes to %s\n", blen, file);
cp_add_reply(cp, buf, strlen(buf));
rc = 0;
done:
if (fd != -1) close(fd);
return rc;
}
int pwd_cmd(void *cp, cp_arg_t *arg, void *data) {
char buf[100];
size_t len;
if (getcwd(buf,sizeof(buf)-1)) {
len = strlen(buf);
assert(len+1 < sizeof(buf));
buf[len]='\n';
buf[len+1]='\0';
cp_add_reply(cp, buf, len+1);
}
return 0;
}
int dir_cmd(void *cp, cp_arg_t *arg, void *data) {
struct dirent *dent;
char buf[100];
UT_string *s;
int rc=0;
DIR *d;
utstring_new(s);
char *dir = (arg->argc > 1) ? arg->argv[1] : ".";
if ( (d = opendir(dir))) {
while ( (dent = readdir(d))) {
utstring_printf(s, "%s\n", dent->d_name);
}
cp_add_reply(cp, utstring_body(s), utstring_len(s));
} else {
snprintf(buf,sizeof(buf),"opendir failed: %s\n", strerror(errno));
cp_add_reply(cp, buf, strlen(buf));
rc=-1;
}
utstring_free(s);
return rc;
}
int stat_cmd(void *cp, cp_arg_t *arg, void *data) {
struct stat s;
char buf[100];
char *file;
int i,rc;
for(i=1; i < arg->argc; i++) {
file = arg->argv[i];
rc = stat(file, &s);
snprintf(buf,sizeof(buf),"%s: %s : %zu bytes\n", file,
((rc==0) ? "ok": "not found"), (size_t)((rc==0)?s.st_size:0));
cp_add_reply(cp, buf, strlen(buf));
}
return 0;
}
cp_cmd_t cmds[] = {
{"pwd", pwd_cmd },
{"stat", stat_cmd },
{"dir", dir_cmd },
{"put", put_cmd },
{NULL, NULL},
};
char *chroot_dir = "/tmp";
int main(int argc, char *argv[]) {
void *cp;
if (argc > 1) chroot_dir = argv[1];
cp = cp_init(SOCKETNAME, cmds, NULL, 0);
if (chdir(chroot_dir) == -1) {
fprintf(stderr,"chdir failed: %s\n", strerror(errno));
return -1;
}
if (chroot(chroot_dir) == -1) {
fprintf(stderr,"failed to chroot: %s\n", strerror(errno));
return -1;
}
cp_run(cp);
}
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