diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_acl.c')
-rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_acl.c | 82 |
1 files changed, 48 insertions, 34 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_acl.c b/Utilities/cmlibarchive/libarchive/archive_acl.c index 4747a4c..bf4b610 100644 --- a/Utilities/cmlibarchive/libarchive/archive_acl.c +++ b/Utilities/cmlibarchive/libarchive/archive_acl.c @@ -52,6 +52,9 @@ static int acl_special(struct archive_acl *acl, int type, int permset, int tag); static struct archive_acl_entry *acl_new_entry(struct archive_acl *acl, int type, int permset, int tag, int id); +static int archive_acl_add_entry_len_l(struct archive_acl *acl, + int type, int permset, int tag, int id, const char *name, + size_t len, struct archive_string_conv *sc); static int isint_w(const wchar_t *start, const wchar_t *end, int *result); static int ismode_w(const wchar_t *start, const wchar_t *end, int *result); static void next_field_w(const wchar_t **wp, const wchar_t **start, @@ -65,7 +68,7 @@ static int isint(const char *start, const char *end, int *result); static int ismode(const char *start, const char *end, int *result); static void next_field(const char **p, const char **start, const char **end, char *sep); -static int prefix(const char *start, const char *end, +static int prefix_c(const char *start, const char *end, const char *test); static void append_entry(char **p, const char *prefix, int tag, const char *name, int perm, int id); @@ -152,7 +155,7 @@ archive_acl_add_entry_w_len(struct archive_acl *acl, return ARCHIVE_OK; } -int +static int archive_acl_add_entry_len_l(struct archive_acl *acl, int type, int permset, int tag, int id, const char *name, size_t len, struct archive_string_conv *sc) @@ -419,8 +422,11 @@ archive_acl_next(struct archive *a, struct archive_acl *acl, int want_type, int *permset = acl->acl_p->permset; *tag = acl->acl_p->tag; *id = acl->acl_p->id; - if (archive_mstring_get_mbs(a, &acl->acl_p->name, name) != 0) + if (archive_mstring_get_mbs(a, &acl->acl_p->name, name) != 0) { + if (errno == ENOMEM) + return (ARCHIVE_FATAL); *name = NULL; + } acl->acl_p = acl->acl_p->next; return (ARCHIVE_OK); } @@ -438,7 +444,7 @@ archive_acl_text_w(struct archive *a, struct archive_acl *acl, int flags) const wchar_t *prefix; wchar_t separator; struct archive_acl_entry *ap; - int id; + int id, r; wchar_t *wp; if (acl->acl_text_w != NULL) { @@ -458,9 +464,11 @@ archive_acl_text_w(struct archive *a, struct archive_acl *acl, int flags) length += 8; /* "default:" */ length += 5; /* tag name */ length += 1; /* colon */ - if (archive_mstring_get_wcs(a, &ap->name, &wname) == 0 && - wname != NULL) + r = archive_mstring_get_wcs(a, &ap->name, &wname); + if (r == 0 && wname != NULL) length += wcslen(wname); + else if (r < 0 && errno == ENOMEM) + return (NULL); else length += sizeof(uid_t) * 3 + 1; length ++; /* colon */ @@ -484,7 +492,7 @@ archive_acl_text_w(struct archive *a, struct archive_acl *acl, int flags) /* Now, allocate the string and actually populate it. */ wp = acl->acl_text_w = (wchar_t *)malloc(length * sizeof(wchar_t)); if (wp == NULL) - __archive_errx(1, "No memory to generate the text version of the ACL"); + return (NULL); count = 0; if ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { append_entry_w(&wp, NULL, ARCHIVE_ENTRY_ACL_USER_OBJ, NULL, @@ -499,16 +507,19 @@ archive_acl_text_w(struct archive *a, struct archive_acl *acl, int flags) ap = acl->acl_head; while (ap != NULL) { - if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0 && - archive_mstring_get_wcs(a, &ap->name, &wname) == 0) { - *wp++ = separator; - if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) - id = ap->id; - else - id = -1; - append_entry_w(&wp, NULL, ap->tag, wname, - ap->permset, id); - count++; + if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { + r = archive_mstring_get_wcs(a, &ap->name, &wname); + if (r == 0) { + *wp++ = separator; + if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) + id = ap->id; + else + id = -1; + append_entry_w(&wp, NULL, ap->tag, wname, + ap->permset, id); + count++; + } else if (r < 0 && errno == ENOMEM) + return (NULL); } ap = ap->next; } @@ -523,17 +534,20 @@ archive_acl_text_w(struct archive *a, struct archive_acl *acl, int flags) ap = acl->acl_head; count = 0; while (ap != NULL) { - if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0 && - archive_mstring_get_wcs(a, &ap->name, &wname) == 0) { - if (count > 0) - *wp++ = separator; - if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) - id = ap->id; - else - id = -1; - append_entry_w(&wp, prefix, ap->tag, - wname, ap->permset, id); - count ++; + if ((ap->type & ARCHIVE_ENTRY_ACL_TYPE_DEFAULT) != 0) { + r = archive_mstring_get_wcs(a, &ap->name, &wname); + if (r == 0) { + if (count > 0) + *wp++ = separator; + if (flags & ARCHIVE_ENTRY_ACL_STYLE_EXTRA_ID) + id = ap->id; + else + id = -1; + append_entry_w(&wp, prefix, ap->tag, + wname, ap->permset, id); + count ++; + } else if (r < 0 && errno == ENOMEM) + return (NULL); } ap = ap->next; } @@ -672,7 +686,7 @@ archive_acl_text_l(struct archive_acl *acl, int flags, /* Now, allocate the string and actually populate it. */ p = acl->acl_text = (char *)malloc(length); if (p == NULL) - __archive_errx(1, "No memory to generate the text version of the ACL"); + return (-1); count = 0; if ((flags & ARCHIVE_ENTRY_ACL_TYPE_ACCESS) != 0) { append_entry(&p, NULL, ARCHIVE_ENTRY_ACL_USER_OBJ, NULL, @@ -1088,7 +1102,7 @@ archive_acl_parse_l(struct archive_acl *acl, type = default_type; name.start = name.end = NULL; - if (prefix(field[0].start, field[0].end, "user")) { + if (prefix_c(field[0].start, field[0].end, "user")) { if (!ismode(field[2].start, field[2].end, &permset)) return (ARCHIVE_WARN); if (id != -1 || field[1].start < field[1].end) { @@ -1096,7 +1110,7 @@ archive_acl_parse_l(struct archive_acl *acl, name = field[1]; } else tag = ARCHIVE_ENTRY_ACL_USER_OBJ; - } else if (prefix(field[0].start, field[0].end, "group")) { + } else if (prefix_c(field[0].start, field[0].end, "group")) { if (!ismode(field[2].start, field[2].end, &permset)) return (ARCHIVE_WARN); if (id != -1 || field[1].start < field[1].end) { @@ -1104,7 +1118,7 @@ archive_acl_parse_l(struct archive_acl *acl, name = field[1]; } else tag = ARCHIVE_ENTRY_ACL_GROUP_OBJ; - } else if (prefix(field[0].start, field[0].end, "other")) { + } else if (prefix_c(field[0].start, field[0].end, "other")) { if (fields == 2 && field[1].start < field[1].end && ismode(field[1].start, field[1].end, &permset)) { @@ -1117,7 +1131,7 @@ archive_acl_parse_l(struct archive_acl *acl, } else return (ARCHIVE_WARN); tag = ARCHIVE_ENTRY_ACL_OTHER; - } else if (prefix(field[0].start, field[0].end, "mask")) { + } else if (prefix_c(field[0].start, field[0].end, "mask")) { if (fields == 2 && field[1].start < field[1].end && ismode(field[1].start, field[1].end, &permset)) { @@ -1246,7 +1260,7 @@ next_field(const char **p, const char **start, * This makes it easy to handle the obvious abbreviations: 'u' for 'user', etc. */ static int -prefix(const char *start, const char *end, const char *test) +prefix_c(const char *start, const char *end, const char *test) { if (start == end) return (0); |