diff options
Diffstat (limited to 'archivers/libarchive/files/libarchive/archive_acl.c')
| -rw-r--r-- | archivers/libarchive/files/libarchive/archive_acl.c | 88 |
1 files changed, 57 insertions, 31 deletions
diff --git a/archivers/libarchive/files/libarchive/archive_acl.c b/archivers/libarchive/files/libarchive/archive_acl.c index 4736531afa1..952e20df4dc 100644 --- a/archivers/libarchive/files/libarchive/archive_acl.c +++ b/archivers/libarchive/files/libarchive/archive_acl.c @@ -138,14 +138,10 @@ archive_acl_clear(struct archive_acl *acl) free(acl->acl_head); acl->acl_head = ap; } - if (acl->acl_text_w != NULL) { - free(acl->acl_text_w); - acl->acl_text_w = NULL; - } - if (acl->acl_text != NULL) { - free(acl->acl_text); - acl->acl_text = NULL; - } + free(acl->acl_text_w); + acl->acl_text_w = NULL; + free(acl->acl_text); + acl->acl_text = NULL; acl->acl_p = NULL; acl->acl_types = 0; acl->acl_state = 0; /* Not counting. */ @@ -324,14 +320,10 @@ acl_new_entry(struct archive_acl *acl, return (NULL); } - if (acl->acl_text_w != NULL) { - free(acl->acl_text_w); - acl->acl_text_w = NULL; - } - if (acl->acl_text != NULL) { - free(acl->acl_text); - acl->acl_text = NULL; - } + free(acl->acl_text_w); + acl->acl_text_w = NULL; + free(acl->acl_text); + acl->acl_text = NULL; /* * If there's a matching entry already in the list, overwrite it. @@ -753,8 +745,10 @@ archive_acl_to_text_w(struct archive_acl *acl, ssize_t *text_len, int flags, append_entry_w(&wp, prefix, ap->type, ap->tag, flags, wname, ap->permset, id); count++; - } else if (r < 0 && errno == ENOMEM) + } else if (r < 0 && errno == ENOMEM) { + free(ws); return (NULL); + } } /* Add terminating character */ @@ -975,8 +969,10 @@ archive_acl_to_text_l(struct archive_acl *acl, ssize_t *text_len, int flags, prefix = NULL; r = archive_mstring_get_mbs_l( &ap->name, &name, &len, sc); - if (r != 0) + if (r != 0) { + free(s); return (NULL); + } if (count > 0) *p++ = separator; if (name == NULL || @@ -1581,17 +1577,29 @@ next_field_w(const wchar_t **wp, const wchar_t **start, /* Scan for the separator. */ while (**wp != L'\0' && **wp != L',' && **wp != L':' && - **wp != L'\n') { + **wp != L'\n' && **wp != L'#') { (*wp)++; } *sep = **wp; - /* Trim trailing whitespace to locate end of field. */ - *end = *wp - 1; - while (**end == L' ' || **end == L'\t' || **end == L'\n') { - (*end)--; + /* Locate end of field, trim trailing whitespace if necessary */ + if (*wp == *start) { + *end = *wp; + } else { + *end = *wp - 1; + while (**end == L' ' || **end == L'\t' || **end == L'\n') { + (*end)--; + } + (*end)++; + } + + /* Handle in-field comments */ + if (*sep == L'#') { + while (**wp != L'\0' && **wp != L',' && **wp != L'\n') { + (*wp)++; + } + *sep = **wp; } - (*end)++; /* Adjust scanner location. */ if (**wp != L'\0') @@ -1642,7 +1650,7 @@ archive_acl_from_text_l(struct archive_acl *acl, const char *text, ret = ARCHIVE_OK; types = 0; - while (text != NULL && *text != '\0') { + while (text != NULL && *text != '\0') { /* * Parse the fields out of the next entry, * advance 'text' to start of next entry. @@ -1707,6 +1715,11 @@ archive_acl_from_text_l(struct archive_acl *acl, const char *text, st = field[n].start + 1; len = field[n].end - field[n].start; + if (len == 0) { + ret = ARCHIVE_WARN; + continue; + } + switch (*s) { case 'u': if (len == 1 || (len == 4 @@ -2053,17 +2066,30 @@ next_field(const char **p, const char **start, *start = *p; /* Scan for the separator. */ - while (**p != '\0' && **p != ',' && **p != ':' && **p != '\n') { + while (**p != '\0' && **p != ',' && **p != ':' && **p != '\n' && + **p != '#') { (*p)++; } *sep = **p; - /* Trim trailing whitespace to locate end of field. */ - *end = *p - 1; - while (**end == ' ' || **end == '\t' || **end == '\n') { - (*end)--; + /* Locate end of field, trim trailing whitespace if necessary */ + if (*p == *start) { + *end = *p; + } else { + *end = *p - 1; + while (**end == ' ' || **end == '\t' || **end == '\n') { + (*end)--; + } + (*end)++; + } + + /* Handle in-field comments */ + if (*sep == '#') { + while (**p != '\0' && **p != ',' && **p != '\n') { + (*p)++; + } + *sep = **p; } - (*end)++; /* Adjust scanner location. */ if (**p != '\0') |