diff options
Diffstat (limited to 'dpmert/sentclient.c')
-rw-r--r-- | dpmert/sentclient.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dpmert/sentclient.c b/dpmert/sentclient.c new file mode 100644 index 00000000..91d994ab --- /dev/null +++ b/dpmert/sentclient.c @@ -0,0 +1,76 @@ +/* Copyright (c) 2001 by David Chiang. All rights reserved.*/ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <netdb.h> +#include <string.h> + +#include "sentserver.h" + +int main (int argc, char *argv[]) { + int sock, port; + char *s, *key; + struct hostent *hp; + struct sockaddr_in server; + int errors = 0; + + if (argc < 3) { + fprintf(stderr, "Usage: sentclient host[:port[:key]] command [args ...]\n"); + exit(1); + } + + s = strchr(argv[1], ':'); + key = NULL; + + if (s == NULL) { + port = DEFAULT_PORT; + } else { + *s = '\0'; + s+=1; + /* dumb hack */ + key = strchr(s, ':'); + if (key != NULL){ + *key = '\0'; + key += 1; + } + port = atoi(s); + } + + sock = socket(AF_INET, SOCK_STREAM, 0); + + hp = gethostbyname(argv[1]); + if (hp == NULL) { + fprintf(stderr, "unknown host %s\n", argv[1]); + exit(1); + } + + bzero((char *)&server, sizeof(server)); + bcopy(hp->h_addr, (char *)&server.sin_addr, hp->h_length); + server.sin_family = hp->h_addrtype; + server.sin_port = htons(port); + + while (connect(sock, (struct sockaddr *)&server, sizeof(server)) < 0) { + perror("connect()"); + sleep(1); + errors++; + if (errors > 5) + exit(1); + } + + close(0); + close(1); + dup2(sock, 0); + dup2(sock, 1); + + if (key != NULL){ + write(1, key, strlen(key)); + write(1, "\n", 1); + } + + execvp(argv[2], argv+2); + return 0; +} |