diff options
Diffstat (limited to 'src/libs6rc/s6rc_servicedir_internal.c')
-rw-r--r-- | src/libs6rc/s6rc_servicedir_internal.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/libs6rc/s6rc_servicedir_internal.c b/src/libs6rc/s6rc_servicedir_internal.c new file mode 100644 index 0000000..7522313 --- /dev/null +++ b/src/libs6rc/s6rc_servicedir_internal.c @@ -0,0 +1,83 @@ +/* ISC license. */ + +#include <errno.h> +#include <unistd.h> +#include <skalibs/uint.h> +#include <skalibs/bytestr.h> +#include <skalibs/djbunix.h> +#include <s6-rc/s6rc-utils.h> +#include "s6rc-servicedir-internal.h" + +static s6rc_servicedir_desc_t const svdir_file_list[] = +{ + { .name = "finish", .type = FILETYPE_NORMAL, .options = SVFILE_EXECUTABLE | SVFILE_ATOMIC }, + { .name = "finish.user", .type = FILETYPE_NORMAL, .options = SVFILE_EXECUTABLE }, + { .name = "run", .type = FILETYPE_NORMAL, .options = SVFILE_EXECUTABLE | SVFILE_MANDATORY | SVFILE_ATOMIC }, + { .name = "run.user", .type = FILETYPE_NORMAL, .options = SVFILE_EXECUTABLE }, + { .name = "nosetsid", .type = FILETYPE_EMPTY, .options = 0 }, + { .name = "notification-fd", .type = FILETYPE_UINT, .options = 0 }, + { .name = "timeout-finish", .type = FILETYPE_UINT, .options = 0 }, + { .name = "data", .type = FILETYPE_DIR, .options = 0 }, + { .name = "env", .type = FILETYPE_DIR, .options = 0 }, + { .name = 0, .options = 0 } +} ; + +s6rc_servicedir_desc_t const *s6rc_servicedir_file_list = svdir_file_list ; +unsigned int const s6rc_servicedir_file_maxlen = 15 ; + +int s6rc_servicedir_copy_one (char const *src, char const *dst, s6rc_servicedir_desc_t const *p) +{ + unsigned int srclen = str_len(src) ; + unsigned int dstlen = str_len(dst) ; + unsigned int plen = str_len(p->name) ; + char srcfn[srclen + plen + 2] ; + char dstfn[dstlen + plen + 2] ; + byte_copy(srcfn, srclen, src) ; + srcfn[srclen] = '/' ; + byte_copy(srcfn + srclen + 1, plen + 1, p->name) ; + byte_copy(dstfn, dstlen, dst) ; + dstfn[dstlen] = '/' ; + byte_copy(dstfn + dstlen + 1, plen + 1, p->name) ; + + switch (p->type) + { + case FILETYPE_NORMAL : + { + unsigned int mode = p->options & SVFILE_EXECUTABLE ? 0755 : 0644 ; + if (!(p->options & SVFILE_ATOMIC ? filecopy_suffix(srcfn, dstfn, mode, ".new") : filecopy_unsafe(srcfn, dstfn, mode))) + { + if (errno != ENOENT || p->options & SVFILE_MANDATORY) return 0 ; + } + break ; + } + case FILETYPE_EMPTY : + if (access(srcfn, F_OK) < 0) + { + if (errno != ENOENT || p->options & SVFILE_MANDATORY) return 0 ; + } + else if (!touch(dstfn)) return 0 ; + break ; + case FILETYPE_UINT : + { + unsigned int u ; + register int r = s6rc_read_uint(srcfn, &u) ; + if (r < 0 || (!r && p->options & SVFILE_MANDATORY)) return 0 ; + if (r) + { + char fmt[UINT_FMT] ; + r = uint_fmt(fmt, u) ; + fmt[r++] = '\n' ; + if (!openwritenclose_unsafe(dstfn, fmt, r)) return 0 ; + } + break ; + } + case FILETYPE_DIR : + if (!hiercopy(srcfn, dstfn)) + { + if (errno != ENOENT || p->options & SVFILE_MANDATORY) return 0 ; + } + break ; + default : return (errno = EDOM, 0) ; + } + return 1 ; +} |