Re: Read ~/.netrc only once

From: Morten Kjærulff via curl-users <curl-users_at_cool.haxx.se>
Date: Sun, 23 May 2021 22:55:32 +0200

On Sun, May 23, 2021 at 6:55 PM Daniel Stenberg <daniel_at_haxx.se> wrote:

> When I try that command line and set a break-point in Curl_parsenetrc() I
> only see it called once.

I am on cygwin.
http://mysite/... is an internal sharepoint site.

When I do
  strace curl -n --anyauth --netrc-file ~/.netrc http://mysite/... |
grep \.netrc
It seems the file is opened 3 times:
   46 185075 [main] curl 8213 build_argv: argv[3] = '--netrc-file'
   55 185130 [main] curl 8213 build_argv: argv[4] = '/home/vp01mkf/.netrc'
 1311 747547 [main] curl 8213 open: open(/home/vp01mkf/.netrc, 0x20000)
   48 747595 [main] curl 8213 normalize_posix_path: src /home/vp01mkf/.netrc
   47 747642 [main] curl 8213 normalize_posix_path:
/home/vp01mkf/.netrc = normalize_posix_path (/home/vp01mkf/.netrc)
   50 747692 [main] curl 8213 mount_info::conv_to_win32_path:
conv_to_win32_path (/home/vp01mkf/.netrc)
   49 747741 [main] curl 8213 mount_info::conv_to_win32_path:
src_path /home/vp01mkf/.netrc, dst C:\mhome\.netrc, flags 0x2008, rc 0
  148 747889 [main] curl 8213 symlink_info::check: 0x0 = NtCreateFile
(\??\C:\mhome\.netrc)
   41 748000 [main] curl 8213 symlink_info::check: 0 =
symlink.check(C:\mhome\.netrc, 0xFFFF9E30) (mount_flags 0x2008,
path_flags 0x0)
   53 748053 [main] curl 8213 path_conv::check:
this->path(C:\mhome\.netrc), has_acls(1)
   98 748205 [main] curl 8213 fhandler_base::open:
(\??\C:\mhome\.netrc, 0x28000)
   48 748465 [main] curl 8213 fhandler_base::open: 0x0 = NtCreateFile
(0x328, 0x80100000, \??\C:\mhome\.netrc, io, NULL, 0x0, 0x7, 0x1,
0x4020, NULL, 0)
   48 748513 [main] curl 8213 fhandler_base::open: 1 =
fhandler_base::open(\??\C:\mhome\.netrc, 0x28000)
   56 748569 [main] curl 8213 fhandler_base::open_fs: 1 =
fhandler_disk_file::open(\??\C:\mhome\.netrc, 0x28000)
   63 748632 [main] curl 8213 open: 5 = open(/home/vp01mkf/.netrc, 0x28000)
  373 749248 [main] curl 8213 fhandler_base::fstat_helper: 0 = fstat
(\??\C:\mhome\.netrc, 0xFFFFB060) st_size=432, st_mode=0100644,
st_ino=12666373951983468st_atim=60AABD41.1F6A3DAC
st_ctim=60A65D74.1BC6C0BC st_mtim=60A654B7.4FC71EC
st_birthtim=60A654B7.4ED2FAC
   47 749551 [main] curl 8213 _setmode: (5<\??\C:\mhome\.netrc>,
0x10000) returning text
   47 749945 [main] curl 8213 _setmode: (5<\??\C:\mhome\.netrc>,
0x20000) returning binary
   49 751659 [main] curl 8213 fhandler_base::close: closing
'/home/vp01mkf/.netrc' handle 0x328
 2955 3289168 [main] curl 8213 open: open(/home/vp01mkf/.netrc, 0x20000)
   51 3289219 [main] curl 8213 normalize_posix_path: src /home/vp01mkf/.netrc
   52 3289271 [main] curl 8213 normalize_posix_path:
/home/vp01mkf/.netrc = normalize_posix_path (/home/vp01mkf/.netrc)
   63 3289334 [main] curl 8213 mount_info::conv_to_win32_path:
conv_to_win32_path (/home/vp01mkf/.netrc)
   46 3289380 [main] curl 8213 mount_info::conv_to_win32_path:
src_path /home/vp01mkf/.netrc, dst C:\mhome\.netrc, flags 0x2008, rc 0
  183 3289563 [main] curl 8213 symlink_info::check: 0x0 = NtCreateFile
(\??\C:\mhome\.netrc)
   53 3289696 [main] curl 8213 symlink_info::check: 0 =
symlink.check(C:\mhome\.netrc, 0xFFFF9E30) (mount_flags 0x2008,
path_flags 0x0)
   50 3289746 [main] curl 8213 path_conv::check:
this->path(C:\mhome\.netrc), has_acls(1)
   98 3289913 [main] curl 8213 fhandler_base::open:
(\??\C:\mhome\.netrc, 0x28000)
   40 3290183 [main] curl 8213 fhandler_base::open: 0x0 = NtCreateFile
(0x354, 0x80100000, \??\C:\mhome\.netrc, io, NULL, 0x0, 0x7, 0x1,
0x4020, NULL, 0)
   41 3290224 [main] curl 8213 fhandler_base::open: 1 =
fhandler_base::open(\??\C:\mhome\.netrc, 0x28000)
   54 3290278 [main] curl 8213 fhandler_base::open_fs: 1 =
fhandler_disk_file::open(\??\C:\mhome\.netrc, 0x28000)
   59 3290337 [main] curl 8213 open: 6 = open(/home/vp01mkf/.netrc, 0x28000)
  386 3290962 [main] curl 8213 fhandler_base::fstat_helper: 0 = fstat
(\??\C:\mhome\.netrc, 0xFFFFB060) st_size=432, st_mode=0100644,
st_ino=12666373951983468st_atim=60AABDC4.36768140
st_ctim=60A65D74.1BC6C0BC st_mtim=60A654B7.4FC71EC
st_birthtim=60A654B7.4ED2FAC
   58 3291302 [main] curl 8213 _setmode: (6<\??\C:\mhome\.netrc>,
0x10000) returning text
   53 3291698 [main] curl 8213 _setmode: (6<\??\C:\mhome\.netrc>,
0x20000) returning binary
   56 3295269 [main] curl 8213 fhandler_base::close: closing
'/home/vp01mkf/.netrc' handle 0x354
 2535 3404917 [main] curl 8213 open: open(/home/vp01mkf/.netrc, 0x20000)
   47 3404964 [main] curl 8213 normalize_posix_path: src /home/vp01mkf/.netrc
   52 3405016 [main] curl 8213 normalize_posix_path:
/home/vp01mkf/.netrc = normalize_posix_path (/home/vp01mkf/.netrc)
   57 3405073 [main] curl 8213 mount_info::conv_to_win32_path:
conv_to_win32_path (/home/vp01mkf/.netrc)
   57 3405130 [main] curl 8213 mount_info::conv_to_win32_path:
src_path /home/vp01mkf/.netrc, dst C:\mhome\.netrc, flags 0x2008, rc 0
  159 3405289 [main] curl 8213 symlink_info::check: 0x0 = NtCreateFile
(\??\C:\mhome\.netrc)
   45 3405411 [main] curl 8213 symlink_info::check: 0 =
symlink.check(C:\mhome\.netrc, 0xFFFF9E30) (mount_flags 0x2008,
path_flags 0x0)
   53 3405464 [main] curl 8213 path_conv::check:
this->path(C:\mhome\.netrc), has_acls(1)
   96 3405618 [main] curl 8213 fhandler_base::open:
(\??\C:\mhome\.netrc, 0x28000)
  125 3407242 [main] curl 8213 fhandler_base::open: 0x0 = NtCreateFile
(0x1E8, 0x80100000, \??\C:\mhome\.netrc, io, NULL, 0x0, 0x7, 0x1,
0x4020, NULL, 0)
   85 3407327 [main] curl 8213 fhandler_base::open: 1 =
fhandler_base::open(\??\C:\mhome\.netrc, 0x28000)
   80 3407407 [main] curl 8213 fhandler_base::open_fs: 1 =
fhandler_disk_file::open(\??\C:\mhome\.netrc, 0x28000)
   69 3407476 [main] curl 8213 open: 6 = open(/home/vp01mkf/.netrc, 0x28000)
  478 3408193 [main] curl 8213 fhandler_base::fstat_helper: 0 = fstat
(\??\C:\mhome\.netrc, 0xFFFFB060) st_size=432, st_mode=0100644,
st_ino=12666373951983468st_atim=60AABDC7.1A5D3418
st_ctim=60A65D74.1BC6C0BC st_mtim=60A654B7.4FC71EC
st_birthtim=60A654B7.4ED2FAC
   62 3408589 [main] curl 8213 _setmode: (6<\??\C:\mhome\.netrc>,
0x10000) returning text
   69 3409064 [main] curl 8213 _setmode: (6<\??\C:\mhome\.netrc>,
0x20000) returning binary
   94 3421740 [main] curl 8213 fhandler_base::close: closing
'/home/vp01mkf/.netrc' handle 0x1E8


When I do
  strace curl -n --ntlm --netrc-file ~/.netrc http://mysite/... | grep \.netrc
(--ntlm instead of --anyauth)
It seems the file is opened 2 times:
   50 194388 [main] curl 8220 build_argv: argv[3] = '--netrc-file'
   54 194442 [main] curl 8220 build_argv: argv[4] = '/home/vp01mkf/.netrc'
 1262 722561 [main] curl 8220 open: open(/home/vp01mkf/.netrc, 0x20000)
   51 722612 [main] curl 8220 normalize_posix_path: src /home/vp01mkf/.netrc
   42 722654 [main] curl 8220 normalize_posix_path:
/home/vp01mkf/.netrc = normalize_posix_path (/home/vp01mkf/.netrc)
   47 722701 [main] curl 8220 mount_info::conv_to_win32_path:
conv_to_win32_path (/home/vp01mkf/.netrc)
   55 722756 [main] curl 8220 mount_info::conv_to_win32_path:
src_path /home/vp01mkf/.netrc, dst C:\mhome\.netrc, flags 0x2008, rc 0
  169 722925 [main] curl 8220 symlink_info::check: 0x0 = NtCreateFile
(\??\C:\mhome\.netrc)
   48 723051 [main] curl 8220 symlink_info::check: 0 =
symlink.check(C:\mhome\.netrc, 0xFFFF9E30) (mount_flags 0x2008,
path_flags 0x0)
   45 723096 [main] curl 8220 path_conv::check:
this->path(C:\mhome\.netrc), has_acls(1)
   95 723242 [main] curl 8220 fhandler_base::open:
(\??\C:\mhome\.netrc, 0x28000)
   53 723546 [main] curl 8220 fhandler_base::open: 0x0 = NtCreateFile
(0x348, 0x80100000, \??\C:\mhome\.netrc, io, NULL, 0x0, 0x7, 0x1,
0x4020, NULL, 0)
   50 723596 [main] curl 8220 fhandler_base::open: 1 =
fhandler_base::open(\??\C:\mhome\.netrc, 0x28000)
   45 723641 [main] curl 8220 fhandler_base::open_fs: 1 =
fhandler_disk_file::open(\??\C:\mhome\.netrc, 0x28000)
   43 723684 [main] curl 8220 open: 5 = open(/home/vp01mkf/.netrc, 0x28000)
  367 724266 [main] curl 8220 fhandler_base::fstat_helper: 0 = fstat
(\??\C:\mhome\.netrc, 0xFFFFB060) st_size=432, st_mode=0100644,
st_ino=12666373951983468st_atim=60AABDC7.2222DBA8
st_ctim=60A65D74.1BC6C0BC st_mtim=60A654B7.4FC71EC
st_birthtim=60A654B7.4ED2FAC
   41 724594 [main] curl 8220 _setmode: (5<\??\C:\mhome\.netrc>,
0x10000) returning text
   83 724957 [main] curl 8220 _setmode: (5<\??\C:\mhome\.netrc>,
0x20000) returning binary
   48 726770 [main] curl 8220 fhandler_base::close: closing
'/home/vp01mkf/.netrc' handle 0x348
 2613 3199265 [main] curl 8220 open: open(/home/vp01mkf/.netrc, 0x20000)
   47 3199312 [main] curl 8220 normalize_posix_path: src /home/vp01mkf/.netrc
   52 3199364 [main] curl 8220 normalize_posix_path:
/home/vp01mkf/.netrc = normalize_posix_path (/home/vp01mkf/.netrc)
   50 3199414 [main] curl 8220 mount_info::conv_to_win32_path:
conv_to_win32_path (/home/vp01mkf/.netrc)
   58 3199472 [main] curl 8220 mount_info::conv_to_win32_path:
src_path /home/vp01mkf/.netrc, dst C:\mhome\.netrc, flags 0x2008, rc 0
  160 3199632 [main] curl 8220 symlink_info::check: 0x0 = NtCreateFile
(\??\C:\mhome\.netrc)
   51 3199762 [main] curl 8220 symlink_info::check: 0 =
symlink.check(C:\mhome\.netrc, 0xFFFF9E30) (mount_flags 0x2008,
path_flags 0x0)
   54 3199816 [main] curl 8220 path_conv::check:
this->path(C:\mhome\.netrc), has_acls(1)
  102 3199982 [main] curl 8220 fhandler_base::open:
(\??\C:\mhome\.netrc, 0x28000)
   55 3200277 [main] curl 8220 fhandler_base::open: 0x0 = NtCreateFile
(0x308, 0x80100000, \??\C:\mhome\.netrc, io, NULL, 0x0, 0x7, 0x1,
0x4020, NULL, 0)
   55 3200332 [main] curl 8220 fhandler_base::open: 1 =
fhandler_base::open(\??\C:\mhome\.netrc, 0x28000)
   70 3200402 [main] curl 8220 fhandler_base::open_fs: 1 =
fhandler_disk_file::open(\??\C:\mhome\.netrc, 0x28000)
   48 3200450 [main] curl 8220 open: 6 = open(/home/vp01mkf/.netrc, 0x28000)
  430 3201104 [main] curl 8220 fhandler_base::fstat_helper: 0 = fstat
(\??\C:\mhome\.netrc, 0xFFFFB060) st_size=432, st_mode=0100644,
st_ino=12666373951983468st_atim=60AABDE1.22F5E318
st_ctim=60A65D74.1BC6C0BC st_mtim=60A654B7.4FC71EC
st_birthtim=60A654B7.4ED2FAC
   60 3201405 [main] curl 8220 _setmode: (6<\??\C:\mhome\.netrc>,
0x10000) returning text
   43 3201781 [main] curl 8220 _setmode: (6<\??\C:\mhome\.netrc>,
0x20000) returning binary
   48 3203554 [main] curl 8220 fhandler_base::close: closing
'/home/vp01mkf/.netrc' handle 0x308

/Morten
-----------------------------------------------------------
Unsubscribe: https://cool.haxx.se/list/listinfo/curl-users
Etiquette: https://curl.haxx.se/mail/etiquette.html
Received on 2021-05-23