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-rw-r--r--shared.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/shared.c b/shared.c
index cce0af4..783604b 100644
--- a/shared.c
+++ b/shared.c
@@ -62,6 +62,8 @@ struct cgit_repo *cgit_add_repo(const char *url)
62 ret->module_link = ctx.cfg.module_link; 62 ret->module_link = ctx.cfg.module_link;
63 ret->readme = NULL; 63 ret->readme = NULL;
64 ret->mtime = -1; 64 ret->mtime = -1;
65 ret->commit_filter = ctx.cfg.commit_filter;
66 ret->source_filter = ctx.cfg.source_filter;
65 return ret; 67 return ret;
66} 68}
67 69
@@ -355,3 +357,38 @@ int cgit_parse_snapshots_mask(const char *str)
355 } 357 }
356 return rv; 358 return rv;
357} 359}
360
361int cgit_open_filter(struct cgit_filter *filter)
362{
363
364 filter->old_stdout = chk_positive(dup(STDOUT_FILENO),
365 "Unable to duplicate STDOUT");
366 chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess");
367 filter->pid = chk_non_negative(fork(), "Unable to create subprocess");
368 if (filter->pid == 0) {
369 close(filter->pipe_fh[1]);
370 chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO),
371 "Unable to use pipe as STDIN");
372 execvp(filter->cmd, filter->argv);
373 die("Unable to exec subprocess %s: %s (%d)", filter->cmd,
374 strerror(errno), errno);
375 }
376 close(filter->pipe_fh[0]);
377 chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO),
378 "Unable to use pipe as STDOUT");
379 close(filter->pipe_fh[1]);
380 return 0;
381}
382
383int cgit_close_filter(struct cgit_filter *filter)
384{
385 chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO),
386 "Unable to restore STDOUT");
387 close(filter->old_stdout);
388 if (filter->pid < 0)
389 return 0;
390 waitpid(filter->pid, &filter->exitstatus, 0);
391 if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus))
392 return 0;
393 die("Subprocess %s exited abnormally", filter->cmd);
394}