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