3 #include <sys/socket.h>
4 #include <netinet/in.h>
6 static const char daemon_usage[] = "git-daemon [--inetd | --port=n]";
8 static int upload(char *dir, int dirlen)
15 * Security on the cheap.
17 * We want a readable HEAD, usable "objects" directory, and
18 * a "git-daemon-export-ok" flag that says that the other side
19 * is ok with us doing this.
21 if (access("git-daemon-export-ok", F_OK) ||
22 access("objects/00", X_OK) ||
26 /* git-upload-pack only ever reads stuff, so this is safe */
27 execlp("git-upload-pack", "git-upload-pack", ".", NULL);
31 static int execute(void)
33 static char line[1000];
36 len = packet_read_line(0, line, sizeof(line));
38 if (len && line[len-1] == '\n')
41 if (!strncmp("git-upload-pack /", line, 17))
42 return upload(line + 16, len - 16);
44 fprintf(stderr, "got bad connection '%s'\n", line);
48 static void handle(int incoming, struct sockaddr_in *addr, int addrlen)
61 static int serve(int port)
64 struct sockaddr_in addr;
66 sockfd = socket(PF_INET, SOCK_STREAM, IPPROTO_IP);
68 die("unable to open socket (%s)", strerror(errno));
69 memset(&addr, 0, sizeof(addr));
70 addr.sin_port = htons(port);
71 addr.sin_family = AF_INET;
72 if (bind(sockfd, (void *)&addr, sizeof(addr)) < 0)
73 die("unable to bind to port %d (%s)", port, strerror(errno));
74 if (listen(sockfd, 5) < 0)
75 die("unable to listen to port %d (%s)", port, strerror(errno));
78 struct sockaddr_in in;
79 socklen_t addrlen = sizeof(in);
80 int incoming = accept(sockfd, (void *)&in, &addrlen);
89 die("accept returned %s", strerror(errno));
92 handle(incoming, &in, addrlen);
96 int main(int argc, char **argv)
98 int port = DEFAULT_GIT_PORT;
102 for (i = 1; i < argc; i++) {
105 if (!strncmp(arg, "--port=", 7)) {
108 n = strtoul(arg+7, &end, 0);
109 if (arg[7] && !*end) {
115 if (!strcmp(arg, "--inetd")) {