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#include "builtin.h"
#include "transport.h"
/*
* URL syntax:
* 'fd::<inoutfd>[/<anything>]' Read/write socket pair
* <inoutfd>.
* 'fd::<infd>,<outfd>[/<anything>]' Read pipe <infd> and write
* pipe <outfd>.
* [foo] indicates 'foo' is optional. <anything> is any string.
*
* The data output to <outfd>/<inoutfd> should be passed unmolested to
* git-receive-pack/git-upload-pack/git-upload-archive and output of
* git-receive-pack/git-upload-pack/git-upload-archive should be passed
* unmolested to <infd>/<inoutfd>.
*
*/
#define MAXCOMMAND 4096
static void command_loop(int input_fd, int output_fd)
{
char buffer[MAXCOMMAND];
while (1) {
size_t i;
if (!fgets(buffer, MAXCOMMAND - 1, stdin)) {
if (ferror(stdin))
die("Input error");
return;
}
/* Strip end of line characters. */
i = strlen(buffer);
while (i > 0 && isspace(buffer[i - 1]))
buffer[--i] = 0;
if (!strcmp(buffer, "capabilities")) {
printf("*connect\n\n");
fflush(stdout);
} else if (!strncmp(buffer, "connect ", 8)) {
printf("\n");
fflush(stdout);
if (bidirectional_transfer_loop(input_fd,
output_fd))
die("Copying data between file descriptors failed");
return;
} else {
die("Bad command: %s", buffer);
}
}
}
int cmd_remote_fd(int argc, const char **argv, const char *prefix)
{
int input_fd = -1;
int output_fd = -1;
char *end;
if (argc != 3)
die("Expected two arguments");
input_fd = (int)strtoul(argv[2], &end, 10);
if ((end == argv[2]) || (*end != ',' && *end != '/' && *end))
die("Bad URL syntax");
if (*end == '/' || !*end) {
output_fd = input_fd;
} else {
char *end2;
output_fd = (int)strtoul(end + 1, &end2, 10);
if ((end2 == end + 1) || (*end2 != '/' && *end2))
die("Bad URL syntax");
}
command_loop(input_fd, output_fd);
return 0;
}
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