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scan_path(): Improve handling of inaccessible directories

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When scanning a tree containing inaccessible directories (e.g. '.ssh'
directories in users' homedirs, or repos with explicitly restricted access),
scan_path() currently causes three lines of "Permissions denied" errors to be
printed to the CGI error log per inaccessible directory:

  Error checking path /home/foo/.ssh: Permission denied (13)
  Error checking path /home/foo/.ssh/.git: Permission denied (13)
  Error opening directory /home/foo/.ssh: Permission denied (13)

This is a side-effect of calling is_git_dir(path) and
is_git_dir(fmt("%s/.git", path) _before_ we try to opendir(path).

By placing the opendir(path) before the two is_git_dir() calls, we reduce the
noise to a single line per inaccessible directory:

  Error opening directory /home/foo/.ssh: Permission denied (13)

Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Lars Hjemli <larsh@prediktor.no>
This commit is contained in:
Johan Herland 2010-11-15 20:40:43 +01:00 committed by Lars Hjemli
parent 17596459fe
commit 682adbc0ca
1 changed files with 10 additions and 10 deletions
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20
scan-tree.c
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@ -159,25 +159,24 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
static void scan_path(const char *base, const char *path, repo_config_fn fn)
{
DIR *dir;
DIR *dir = opendir(path);
struct dirent *ent;
char *buf;
struct stat st;
if (is_git_dir(path)) {
add_repo(base, path, fn);
return;
}
if (is_git_dir(fmt("%s/.git", path))) {
add_repo(base, fmt("%s/.git", path), fn);
return;
}
dir = opendir(path);
if (!dir) {
fprintf(stderr, "Error opening directory %s: %s (%d)\n",
path, strerror(errno), errno);
return;
}
if (is_git_dir(path)) {
add_repo(base, path, fn);
goto end;
}
if (is_git_dir(fmt("%s/.git", path))) {
add_repo(base, fmt("%s/.git", path), fn);
goto end;
}
while((ent = readdir(dir)) != NULL) {
if (ent->d_name[0] == '.') {
if (ent->d_name[1] == '\0')
@ -202,6 +201,7 @@ static void scan_path(const char *base, const char *path, repo_config_fn fn)
scan_path(base, buf, fn);
free(buf);
}
end:
closedir(dir);
}