size_t clistr_push_fn(struct cli_state *cli, void *dest, const char *src, int dest_len, int flags) { size_t buf_used = PTR_DIFF(dest, cli->outbuf); if (dest_len == -1) { if (((ptrdiff_t)dest < (ptrdiff_t)cli->outbuf) || (buf_used > cli->bufsize)) { DEBUG(0, ("Pushing string of 'unlimited' length into non-SMB buffer!\n")); return push_string_base(cli->outbuf, (uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0), dest, src, -1, flags); } return push_string_base(cli->outbuf, (uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0), dest, src, cli->bufsize - buf_used, flags); } /* 'normal' push into size-specified buffer */ return push_string_base(cli->outbuf, (uint16_t)(cli_ucs2(cli) ? FLAGS2_UNICODE_STRINGS : 0), dest, src, dest_len, flags); }
size_t srvstr_push_fn(const char *base_ptr, uint16 smb_flags2, void *dest, const char *src, int dest_len, int flags) { if (dest_len < 0) { return 0; } /* 'normal' push into size-specified buffer */ return push_string_base(base_ptr, smb_flags2, dest, src, dest_len, flags); }
NTSTATUS srvstr_push_fn(const char *base_ptr, uint16 smb_flags2, void *dest, const char *src, int dest_len, int flags, size_t *ret_len) { size_t len; int saved_errno; NTSTATUS status; if (dest_len < 0) { return NT_STATUS_INVALID_PARAMETER; } saved_errno = errno; errno = 0; /* 'normal' push into size-specified buffer */ len = push_string_base(base_ptr, smb_flags2, dest, src, dest_len, flags); if (errno != 0) { /* * Special case E2BIG, EILSEQ, EINVAL * as they mean conversion errors here, * but we don't generically map them as * they can mean different things in * generic filesystem calls (such as * read xattrs). */ if (errno == E2BIG || errno == EILSEQ || errno == EINVAL) { status = NT_STATUS_ILLEGAL_CHARACTER; } else { status = map_nt_error_from_unix_common(errno); /* * Paranoia - Filter out STATUS_MORE_ENTRIES. * I don't think we can get this but it has a * specific meaning to the client. */ if (NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES)) { status = NT_STATUS_UNSUCCESSFUL; } } DEBUG(10,("character conversion failure " "on string (%s) (%s)\n", src, strerror(errno))); } else { /* Success - restore untouched errno. */ errno = saved_errno; *ret_len = len; status = NT_STATUS_OK; } return status; }