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author | Ben Brown <ben.brown@codethink.co.uk> | 2013-11-19 14:42:37 +0000 |
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committer | Ben Brown <ben.brown@codethink.co.uk> | 2013-12-16 09:31:15 +0000 |
commit | e247c2bbfe0f5b52ef532cacebcc1ea9dc3bbc76 (patch) | |
tree | c53c6bb1324db0e845ce732c736c15fd4415c476 | |
parent | 775d05edada9d9fdf2bd9bc4eb62bbeec0961ad4 (diff) | |
download | tbdiff-e247c2bbfe0f5b52ef532cacebcc1ea9dc3bbc76.tar.gz |
Added C program which creates named Unix sockets
-rw-r--r-- | yarns/sockbind.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/yarns/sockbind.c b/yarns/sockbind.c new file mode 100644 index 0000000..8bbcfcf --- /dev/null +++ b/yarns/sockbind.c @@ -0,0 +1,42 @@ +#include <stdio.h> +#include <stddef.h> +#include <string.h> +#include <stdlib.h> +#include <sys/socket.h> +#include <sys/un.h> + +/* + * There is currently no command within Baserock to create named Unix sockets; + * this program is used to compensate for that. + */ + +int main(int argc, char *argv[]) +{ + int sfd; + struct sockaddr_un sock; + + if (argc != 2) { + fprintf(stderr, "Usage: %s PATH\n", argv[0]); + return EXIT_FAILURE; + } + + if (strlen(argv[1]) >= sizeof(sock.sun_path)) { + fprintf(stderr, "%s: file name too long\n", argv[0]); + return EXIT_FAILURE; + } + + + if ((sfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) { + perror("socket"); + return EXIT_FAILURE; + } + + sock.sun_family = AF_UNIX; + strcpy(sock.sun_path, argv[1]); + if (bind(sfd, (struct sockaddr*)&sock, sizeof(sock)) == -1) { + perror("bind"); + return EXIT_FAILURE; + } + + return EXIT_SUCCESS; +} |