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user_BM.c
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user_BM.c
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// file user_BM.c; management of European GDPR related personal data
// for Bismon contributors; see also userlogin.md
// SPDX-License-Identifier: GPL-3.0-or-later
/***
BISMON
Copyright © 2018 - 2021 CEA (Commissariat à l'énergie atomique et
aux énergies alternatives)
contributed by Basile Starynkevitch (working at CEA, LIST, France)
<basile@starynkevitch.net> or <basile.starynkevitch@cea.fr>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
----
Contact me (Basile Starynkevitch) by email
basile@starynkevitch.net and/or basile.starynkevitch@cea.fr
***/
#include "bismon.h"
#include "user_BM.const.h"
static const char *quickfindcontriboid_bm;
static void
write_password_file_BM (FILE * passfil, objectval_tyBM * assocobarg,
struct stackframe_stBM *stkf);
////////////////////////////////////////////////////////////////
//// user support; might be relevant to GDPR
void
usergcmark_BM (struct garbcoll_stBM *gc,
struct user_stBM *us, objectval_tyBM * fromob, int depth)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((value_tyBM) us) == typayl_user_BM);
ASSERT_BM (fromob == NULL || isobject_BM (fromob));
ASSERT_BM (!fromob || !us->user_ownobj || us->user_ownobj == fromob);
ASSERT_BM (depth >= 0);
uint8_t oldmark = ((typedhead_tyBM *) us)->hgc;
if (oldmark)
return;
((typedhead_tyBM *) us)->hgc = MARKGC_BM;
gc->gc_nbmarks++;
DBGPRINTF_BM
("usergcmark_BM us@%p, usname %s, fromob %s, usownobj %s, depth %d", us,
bytstring_BM (us->user_namev), objectdbg_BM (fromob),
objectdbg1_BM (us->user_ownobj), depth);
if (us->user_ownobj)
gcobjmark_BM (gc, us->user_ownobj);
if (us->user_namev)
EXTENDEDGCPROC_BM (gc, us->user_namev, fromob, depth + 1);
if (us->user_emailv)
EXTENDEDGCPROC_BM (gc, us->user_emailv, fromob, depth + 1);
} /* end usergcmark_BM */
void
usergcdestroy_BM (struct garbcoll_stBM *gc, struct user_stBM *us)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((value_tyBM) us) == typayl_user_BM);
DBGPRINTF_BM ("usergcdestroy_BM us@%p, usname %s, usemail %s, usownobj %s",
us, bytstring_BM (us->user_namev),
bytstring_BM (us->user_emailv),
objectdbg1_BM (us->user_ownobj));
if (us->user_ownobj)
{
objectval_tyBM *ownerob = us->user_ownobj;
us->user_ownobj = NULL;
objlock_BM (ownerob);
if (objpayload_BM (ownerob) == (extendedval_tyBM) us)
objclearpayload_BM (ownerob);
objunlock_BM (ownerob);
}
memset ((void *) us, 0, sizeof (*us));
free (us);
gc->gc_freedbytes += sizeof (*us);
} /* end usergcdestroy_BM */
void
usergckeep_BM (struct garbcoll_stBM *gc, struct user_stBM *us)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((value_tyBM) us) == typayl_user_BM);
DBGPRINTF_BM ("usergckeep_BM us@%p, usname %s usemail %s, usownobj %s",
us, bytstring_BM (us->user_namev),
bytstring_BM (us->user_emailv),
objectdbg1_BM (us->user_ownobj));
gc->gc_keptbytes += sizeof (*us);
} /* end usergckeep_BM */
const stringval_tyBM *
objcontributornamepayl_BM (const objectval_tyBM * obj)
{
if (!objhascontributorpayl_BM (obj))
return NULL;
struct user_stBM *usp = objpayload_BM (obj);
if (valtype_BM ((extendedval_tyBM) usp) != typayl_user_BM)
return NULL;
return usp->user_namev;
} /* end objcontributornamepayl_BM */
const stringval_tyBM *
objcontributoremailpayl_BM (const objectval_tyBM * obj)
{
if (!objhascontributorpayl_BM (obj))
return NULL;
struct user_stBM *usp = objpayload_BM (obj);
if (valtype_BM ((extendedval_tyBM) usp) != typayl_user_BM)
return NULL;
return usp->user_emailv;
} /* end objcontributoremailpayl_BM */
static void
overwrite_contributor_file_BM (FILE * fil,
objectval_tyBM * assocobarg,
struct stackframe_stBM *stkf)
{
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * contribob; //current contributor object
objectval_tyBM * assocob; // assoc-object
// mapping
// contributors-objects to
// *contributors(<email>,<alias>)
// nodes
value_tyBM namev; // the name string
value_tyBM emailv; // the email string value
value_tyBM aliasv; // the alias string value
value_tyBM nodev; // the node
value_tyBM keysetv; // the set of keys
value_tyBM tmpv; // temporary, for debugging
);
_.assocob = assocobarg;
ASSERT_BM (isobject_BM (assocobarg) && objhasassocpayl_BM (assocobarg));
rewind (fil);
int nbcontrib = 0;
_.keysetv = (value_tyBM) objassocsetattrspayl_BM (_.assocob);
if (showdebugmsg_BM)
{
char contidbuf[32];
memset (contidbuf, 0, sizeof (contidbuf));
idtocbuf32_BM (objid_BM (BMP_contributors), contidbuf);
_.tmpv = (value_tyBM) objhashsettosetpayl_BM (BMP_contributors);
DBGPRINTF_BM
("overwrite_contributor_file assocob %s set-contrib %s keyset %s",
objectdbg_BM (_.assocob), OUTSTRVALUE_BM (_.tmpv),
OUTSTRVALUE_BM (_.keysetv));
_.tmpv = NULL;
}
{
nbcontrib = objassocnbkeyspayl_BM (_.assocob);
ASSERT_BM ((int) setcardinal_BM (_.keysetv) == nbcontrib);
char nowtimbuf[80];
memset (nowtimbuf, 0, sizeof (nowtimbuf));
time_t nowt = 0;
time (&nowt);
struct tm nowtm = { };
memset (&nowtm, 0, sizeof (nowtm));
localtime_r (&nowt, &nowtm);
strftime (nowtimbuf, sizeof (nowtimbuf), "%c", &nowtm);
char *baspath = basename (contributors_filepath_BM);
if (strcmp (baspath, CONTRIBUTORS_FILE_BM))
fprintf (fil, "## BISMON contributors file %s (really %s)\n",
CONTRIBUTORS_FILE_BM, contributors_filepath_BM);
else
fprintf (fil, "## BISMON contributors file %s\n", CONTRIBUTORS_FILE_BM);
fprintf (fil,
"## when BISMON is running, don't edit manually this file; it could be flock-ed.\n");
fprintf (fil,
"## use preferably the --contributor or --remove-contributor BISMON ...\n");
fprintf (fil,
"## ... program options of BISMON to change that file at startup\n");
fprintf (fil, "###############################################\n");
fprintf (fil, "## written by BISMON built at %s\n", bismon_timestamp);
fprintf (fil, "## BISMON lastgitcommit %s\n", bismon_lastgitcommit);
fprintf (fil, "## BISMON checksum %s\n", bismon_checksum);
fprintf (fil, "##- emitted at %s on %s for %d contributors.\n", nowtimbuf,
myhostname_BM, nbcontrib);
fprintf (fil,
"## format: one login line per user or contributor like:\n");
fprintf (fil, "## <user-name>;<oid>;<email>;<alias>\n");
for (int cix = 0; cix < nbcontrib; cix++)
{
_.contribob = setelemnth_BM (_.keysetv, cix);
_.nodev = objassocgetattrpayl_BM (_.assocob, _.contribob);
ASSERT_BM (nodeconn_BM (_.nodev) == BMP_contributors
&& nodewidth_BM (_.nodev) == 2);
_.emailv = nodenthson_BM (_.nodev, 0);
_.aliasv = nodenthson_BM (_.nodev, 1);
objlock_BM (_.contribob);
_.namev = (value_tyBM) objcontributornamepayl_BM (_.contribob);
objunlock_BM (_.contribob);
char idbuf[32];
memset (idbuf, 0, sizeof (idbuf));
idtocbuf32_BM (objid_BM (_.contribob), idbuf);
ASSERT_BM (isstring_BM (_.namev));
ASSERT_BM (isstring_BM (_.emailv));
ASSERT_BM (!_.aliasv || isstring_BM (_.aliasv));
ASSERT_BM (valid_contributor_name_BM (bytstring_BM (_.namev), NULL));
ASSERT_BM (valid_email_BM
(bytstring_BM (_.emailv), DONTCHECKDNS_BM, NULL));
ASSERT_BM (!_.aliasv
|| valid_email_BM (bytstring_BM (_.aliasv),
DONTCHECKDNS_BM, NULL));
if (!_.aliasv)
fprintf (fil, "%s;%s;%s;\n", bytstring_BM (_.namev), idbuf,
bytstring_BM (_.emailv));
else
fprintf (fil, "%s;%s;%s;%s\n", bytstring_BM (_.namev), idbuf,
bytstring_BM (_.emailv), bytstring_BM (_.aliasv));
}
fprintf (fil, "#### end of file %s with %d contributors sorted by oid\n",
CONTRIBUTORS_FILE_BM, nbcontrib);
}
} /* end overwrite_contributor_file_BM */
static objectval_tyBM *add_contributor_name_email_alias_BM
(const char *name,
const char *email,
const char *alias, char **perrmsg, struct stackframe_stBM *stkf);
bool
valid_email_BM (const char *email, bool checkdns, char **perrmsg)
{
if (perrmsg)
*perrmsg = NULL;
if (!email)
{
if (perrmsg)
{
if (asprintf (perrmsg, "no email") < 0)
FATAL_BM ("asprintf failure for email - %m");
return false;
}
}
const char *end = NULL;
if (!g_utf8_validate (email, -1, &end) && end && *end)
{
if (perrmsg)
if (asprintf (perrmsg, "invalid utf8 email %s", email) < 0)
FATAL_BM ("asprintf failure for utf8 email - %m");
return false;
}
if (!isalpha (email[0]))
{
if (perrmsg)
if (asprintf
(perrmsg, "mail address %s don't start with letter", email) < 0)
FATAL_BM ("asprintf failure for mail non-letter - %m");
return false;
}
const char *at = strchr (email, '@');
if (!at || !at[1])
{
if (perrmsg)
if (asprintf (perrmsg, "mail address %s don't have at-sign", email) <
0)
FATAL_BM ("asprintf failure for mail without at - %m");
return false;
}
if (strchr (at + 1, '@'))
{
if (perrmsg)
if (asprintf (perrmsg, "mail address %s has more than one at-sign",
email) < 0)
FATAL_BM ("asprintf failure for bad mail - %m");;
return false;
}
for (const char *pc = email; pc < at; pc++)
{
if (isalnum (*pc))
continue;
if (*pc == '.' || *pc == '+' || *pc == '-' || *pc == '_')
{
if (!isalnum (pc[-1]) || !isalnum (pc[1]))
{
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s with bad . + - or _ occurrences before at-sign",
email) < 0)
FATAL_BM ("asprintf fail for bad punctuation in email");
return false;
}
else
continue;
}
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s with unexpected characters before at-sign\n",
email) < 0)
FATAL_BM
("asprintf failure for unexpected characters before at-sign in email %m");
return false;
}
for (const char *pc = at + 1; pc < at; pc++)
{
if (isalnum (*pc))
continue;
if (*pc == '.' || *pc == '+' || *pc == '-' || *pc == '_')
{
if (!isalnum (pc[-1]) || !isalnum (pc[1]))
{
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s with bad . + - or _ occurrences after at-sign",
email) < 0)
FATAL_BM
("asprintf failure for bad punctuation in email - %m");
return false;
}
else
continue;
}
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s with unexpected characters after at-sign",
email) < 0)
FATAL_BM
("asprintf failure for unexpected characters after at-sign in email - %m");
return false;
}
if (!strcmp (at + 1, "fake.email") || !strcmp (at + 1, "localhost"))
return true;
if (checkdns)
{
struct addrinfo *res = NULL;
int err = getaddrinfo (at + 1, "mail", NULL, &res);
if (err)
{
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s domain %s failed on getaddrinfo: %s",
email, at + 1, gai_strerror (err)) < 0)
FATAL_BM ("asprintf failure on mail address - %m");
return false;
}
if (res)
freeaddrinfo (res);
else
{
if (perrmsg)
if (asprintf (perrmsg,
"mail address %s domain %s invalid\n", email,
at + 1) < 0)
FATAL_BM ("asprintf failure for invalid mail & domain - %m");
return false;
}
}
return true;
} /* end valid_email_BM */
bool
valid_contributor_name_BM (const char *name, char **perrmsg)
{
if (perrmsg)
*perrmsg = NULL;
if (!name)
{
if (perrmsg)
if (asprintf (perrmsg, "no contributor name") < 0)
FATAL_BM ("asprintf failure for no contributor name - %m");
return false;
}
const char *end = NULL;
if (!g_utf8_validate (name, -1, &end) && end && *end)
{
if (perrmsg)
if (asprintf (perrmsg, "invalid utf8 contributor name %s", name) < 0)
FATAL_BM
("asprintf failure for invalid utf8 contributor name - %m");
return false;
}
// validate the name:
gunichar uc = 0;
gunichar prevuc = 0;
for (const char *p = name;
*p && (uc = g_utf8_get_char (p)) != 0;
(p = g_utf8_next_char (p)), (prevuc = uc))
{
if (g_unichar_isalpha (uc))
continue;
else if (g_unichar_isalnum (uc) && p > name)
continue;
else
if ((uc == '_' || uc == '-' || uc == '+' || uc == ' ')
&& g_unichar_isalnum (prevuc) && *g_utf8_next_char (p))
continue;
if (perrmsg)
if (asprintf (perrmsg, "invalid contributor name '%s'", name) < 0)
FATAL_BM ("asprintf failure for invalid contributor name - %m");
return false;
}
return true;
} /* end valid_contributor_name_BM */
objectval_tyBM *
find_contributor_BM (const char *str, struct stackframe_stBM *stkf)
{
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * contribob; //current contributor object
);
if (!str || !str[0])
return NULL;
bool withemail = valid_email_BM (str, DONTCHECKDNS_BM, NULL);
DBGPRINTF_BM ("find_contributor str='%s' %s email", str,
withemail ? "with" : "without");
if (!withemail)
{
char *errmsg = NULL;
if (!valid_contributor_name_BM (str, &errmsg))
{
if (errmsg)
{
WARNPRINTF_BM ("contributor name %s is not valid: %s", str,
errmsg);
free (errmsg), errmsg = NULL;
}
else
WARNPRINTF_BM ("invalid contributor name %s", str);
return NULL;
}
}
FILE *fil = fopen (contributors_filepath_BM, "r+");
if (!fil)
FATAL_BM ("find_contributor_BM cannot open contributors file %s : %m",
contributors_filepath_BM);
int fd = fileno (fil);
if (flock (fd, LOCK_EX))
FATAL_BM ("failed to flock fd#%d for contributors file %s", fd,
contributors_filepath_BM);
size_t linsiz = 128;
char *linbuf = calloc (linsiz, 1);
int lincnt = 0;
if (!linbuf)
FATAL_BM ("find_contributor_BM can't alloc line of %zd bytes", linsiz);
/// read loop
for (;;)
{
ssize_t linlen = getline (&linbuf, &linsiz, fil);
if (linlen < 0)
break;
lincnt++;
if (linbuf[0] == '#' || linbuf[0] == '\n' || !linbuf[0])
continue;
if (linlen > 0 && linbuf[linlen - 1] == '\n')
linbuf[linlen - 1] = (char) 0;
const char *end = NULL;
if (!g_utf8_validate (linbuf, -1, &end) && end && *end)
FATAL_BM ("in %s line#%d is invalid UTF8: %s",
contributors_filepath_BM, lincnt, linbuf);
// linbuf should be like: <username>;<oid>;<email>;<alias>
char *semcol1 = strchr (linbuf, ';');
char *semcol2 = semcol1 ? strchr (semcol1 + 1, ';') : NULL;
char *semcol3 = semcol2 ? strchr (semcol2 + 1, ';') : NULL;
if (!semcol3)
FATAL_BM
("in %s line#%d should be like <username>;<oid>;<email>;<alias> but is %s",
contributors_filepath_BM, lincnt, linbuf);
*semcol1 = (char) 0;
*semcol2 = (char) 0;
*semcol3 = (char) 0;
const char *curcontrib = linbuf;
const char *curoidstr = semcol1 + 1;
const char *curemail = semcol2 + 1;
const char *curalias = semcol3 + 1;
DBGPRINTF_BM
("find_contributor line#%d curcontrib '%s' curoidstr '%s' curemail '%s' curalias '%s'",
lincnt, curcontrib, curoidstr, curemail, curalias);
if ((withemail && !strcmp (curemail, str))
|| (!withemail && !strcmp (curcontrib, str)))
{
const char *endid = NULL;
rawid_tyBM curid = parse_rawid_BM (curoidstr, &endid);
if (!endid || *endid || !curid.id_hi || !curid.id_lo)
FATAL_BM ("in %s line#%d has invalid oid %s for contributor %s",
contributors_filepath_BM, lincnt, curoidstr,
curcontrib);
_.contribob = findobjofid_BM (curid);
DBGPRINTF_BM ("find_contributor str '%s' contribob %s", str,
objectdbg_BM (_.contribob));
break;
}
} // end forloop
if (flock (fd, LOCK_UN))
FATAL_BM ("failed to un-flock fd#%d for %s", fd,
contributors_filepath_BM);
DBGPRINTF_BM ("find_contributor str '%s' contribob %s", str,
objectdbg_BM (_.contribob));
if (_.contribob)
{
bool okcontrib = false;
objlock_BM (_.contribob);
okcontrib = objhascontributorpayl_BM (_.contribob);
objunlock_BM (_.contribob);
DBGPRINTF_BM
("find_contributor contribob %s has %s contributor payload",
objectdbg_BM (_.contribob), okcontrib ? "a" : "no");
if (!okcontrib)
_.contribob = NULL;
}
DBGPRINTF_BM ("find_contributor str '%s' contribob %s", str,
objectdbg_BM (_.contribob));
if (_.contribob)
{
objlock_BM (BMP_contributors);
if (!objhashsetcontainspayl_BM (BMP_contributors, _.contribob))
{
DBGPRINTF_BM ("find_contributor contribob %s not in `contributors`",
objectdbg_BM (_.contribob));
_.contribob = NULL;
}
objunlock_BM (BMP_contributors);
}
// sleep a tiny random amount of time, to make this call more
// unpredictable to outside and a bit costly
usleep (100 + g_random_int () % 1024);
DBGPRINTF_BM ("find_contributor_BM str '%s' gives %s",
str, objectdbg_BM (_.contribob));
return _.contribob;
} /* end find_contributor_BM */
#define LOADEDCONTRIBDATAMAGIC_BM 0x3d10b193 /*1024504211 */
struct loadedcontribdata_bm
{
unsigned lcda_magic;
const char *lcda_curcontrib;
const char *lcda_rcpath;
rawid_tyBM lcda_curid;
int lcda_lincnt;
int lcda_curlineno;
objectval_tyBM **lcda_pcontribob;
value_tyBM *lcda_pnamev;
objectval_tyBM **lcda_phsetob;
const char *lcda_curoidstr;
const char *lcda_curemail;
const char *lcda_curalias;
};
static void
handle_loaded_contributor_bm (struct stackframe_stBM *stkf,
struct loadedcontribdata_bm *ldat);
// this check is done only once, during load...
void
check_and_load_contributors_file_BM (struct loader_stBM *ld,
struct stackframe_stBM *stkf)
{
struct stat mystat = { };
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * contribob; //current contributor object
objectval_tyBM * hsetob; //hash set of parsed contributors
value_tyBM namev; /* string value, name of contributor object */
value_tyBM contribsetv; /* set of keys in hsetob */
value_tyBM tmpv; /* temporary */
);
ASSERT_BM (valtype_BM ((const value_tyBM) ld) == typayl_loader_BM);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
if (!ld || ld->ld_magic != LOADERMAGIC_BM)
FATAL_BM
("check_and_load_contributors_file_BM invalid loader for path %s",
contributors_filepath_BM);
const char *rcpath = contributors_filepath_BM;
ASSERT_BM (rcpath != NULL && rcpath[0] == '/');
FILE *fil = fopen (rcpath, "r+");
if (!fil)
{
FATAL_BM ("cannot open contributors file %s : %m", rcpath);
return;
}
if (showdebugmsg_BM)
{
char contidbuf[32];
memset (contidbuf, 0, sizeof (contidbuf));
idtocbuf32_BM (objid_BM (BMP_contributors), contidbuf);
_.tmpv = (value_tyBM) objhashsettosetpayl_BM (BMP_contributors);
DBGBACKTRACEPRINTF_BM
("check_and_load_contributors_file_BM rcpath='%s'\n"
"... contributors=%s/%s with set %s",
rcpath, objectdbg_BM (BMP_contributors), contidbuf,
OUTSTRVALUE_BM (_.tmpv));
}
_.tmpv = NULL;
_.hsetob = makeobj_BM ();
int fd = fileno (fil);
memset (&mystat, 0, sizeof (mystat));
if (fstat (fd, &mystat))
FATAL_BM ("failed to fstat fd#%d for %s", fd, rcpath);
// the file size gives a guess on the initial size of hashset
objputhashsetpayl_BM (_.hsetob, prime_above_BM (mystat.st_size / 64 + 10));
if (flock (fd, LOCK_EX))
FATAL_BM ("failed to flock fd#%d for %s", fd, rcpath);
size_t linsiz = 128;
char *linbuf = calloc (linsiz, 1);
int lincnt = 0;
int nbcontrib = 0;
if (!linbuf)
FATAL_BM
("check_and_load_contributors_file_BM can't alloc line of %zd bytes",
linsiz);
/// read loop
for (;;)
{
ASSERT_BM (objhashashsetpayl_BM (_.hsetob));
_.contribob = NULL;
_.namev = NULL;
ssize_t linlen = getline (&linbuf, &linsiz, fil);
if (linlen < 0)
break;
lincnt++;
if (linbuf[0] == '#' || linbuf[0] == '\n' || !linbuf[0])
continue;
if (linlen > 0 && linbuf[linlen - 1] == '\n')
linbuf[linlen - 1] = (char) 0;
const char *end = NULL;
if (!g_utf8_validate (linbuf, -1, &end) && end && *end)
FATAL_BM ("in %s line#%d is invalid UTF8: %s", rcpath,
lincnt, linbuf);
DBGPRINTF_BM ("contributor line#%d: %s", lincnt, linbuf);
// linbuf should be like: <username>;<oid>;<email>;<alias>
char *semcol1 = strchr (linbuf, ';');
char *semcol2 = semcol1 ? strchr (semcol1 + 1, ';') : NULL;
char *semcol3 = semcol2 ? strchr (semcol2 + 1, ';') : NULL;
if (!semcol3)
FATAL_BM
("in %s line#%d should be like <username>;<oid>;<email>;<alias> but is %s",
rcpath, lincnt, linbuf);
*semcol1 = (char) 0;
*semcol2 = (char) 0;
*semcol3 = (char) 0;
const char *curcontrib = linbuf;
const char *curoidstr = semcol1 + 1;
const char *curemail = semcol2 + 1;
const char *curalias = semcol3 + 1;
DBGPRINTF_BM
("check_and_load_contributors_file line#%d curcontrib '%s' curoidstr '%s' curemail '%s' curalias '%s'",
lincnt, curcontrib, curoidstr, curemail, curalias);
char *errmsg = NULL;
if (!valid_contributor_name_BM (curcontrib, &errmsg))
FATAL_BM ("in %s line#%d has invalid contributor name %s : %s",
rcpath, lincnt, curcontrib, errmsg);
const char *endid = NULL;
rawid_tyBM curid = parse_rawid_BM (curoidstr, &endid);
if (!endid || *endid || !curid.id_hi || !curid.id_lo)
FATAL_BM ("in %s line#%d has invalid oid %s for contributor %s",
rcpath, lincnt, curoidstr, curcontrib);
if (!valid_email_BM (curemail, DONTCHECKDNS_BM, &errmsg))
FATAL_BM
("in %s line#%d has invalid email %s for contributor %s : %s",
rcpath, lincnt, curemail, curcontrib, errmsg);
if (curalias[0] && !isspace (curalias[0])
&& !valid_email_BM (curalias, DONTCHECKDNS_BM, &errmsg))
FATAL_BM
("in %s line#%d has invalid alias %s for contributor %s : %s",
rcpath, lincnt, curalias, curcontrib, errmsg);
if (quickfindcontriboid_bm)
{
if (!strcmp (quickfindcontriboid_bm, curoidstr))
{
printf ("%s\t%s\t%s\t%s\n",
/*full name: */ curcontrib,
/*objid: */ curoidstr,
/*email: */ curemail,
/*alias: */ curalias ? curalias : "");
fflush (NULL);
exit (EXIT_SUCCESS);
}
}
else
{
struct loadedcontribdata_bm lcdata =
{.lcda_magic = LOADEDCONTRIBDATAMAGIC_BM,
.lcda_rcpath = rcpath,
.lcda_curcontrib = curcontrib,
.lcda_curid = curid,
.lcda_lincnt = lincnt,
.lcda_curlineno = __LINE__,
.lcda_pcontribob = &_.contribob,
.lcda_pnamev = &_.namev,
.lcda_phsetob = &_.hsetob,
.lcda_curoidstr = curoidstr,
.lcda_curemail = curemail,
.lcda_curalias = curalias,
};
handle_loaded_contributor_bm (CURFRAME_BM, &lcdata);
};
_.namev = NULL;
_.contribob = NULL;
nbcontrib++;
}
if (flock (fd, LOCK_UN))
FATAL_BM ("failed to un-flock fd#%d for %s", fd, rcpath);
DBGPRINTF_BM ("check_and_load_contributors_file nbcontrib=%d", nbcontrib);
// check that all the contributors in BMP_contributors are also in hsetob
_.contribob = NULL;
_.contribsetv = (value_tyBM) objhashsettosetpayl_BM (BMP_contributors);
if (!isset_BM (_.contribsetv))
FATAL_BM ("the `contributors` object has no hashset payload as expected");
DBGPRINTF_BM ("check_and_load_contributors_file contribsetv=%s",
OUTSTRVALUE_BM (_.contribsetv));
int csetsiz = setcardinal_BM (_.contribsetv);
ASSERT_BM (objhashashsetpayl_BM (_.hsetob));
{
_.tmpv = (value_tyBM) objhashsettosetpayl_BM (_.hsetob);
DBGPRINTF_BM ("check_and_load_contributors_file hsetob %s with %s", objectdbg_BM (_.hsetob), //
debug_outstr_value_BM (_.tmpv, CURFRAME_BM, 0));
_.tmpv = NULL;
}
for (int cix = 0; cix < csetsiz; cix++)
{
_.contribob = setelemnth_BM (_.contribsetv, cix);
if (!objhashsetcontainspayl_BM (_.hsetob, _.contribob))
FATAL_BM
("contributor object %s (of name %s) is in `contributors` but don't appear in %s",
objectdbg_BM (_.contribob),
bytstring_BM (objcontributornamepayl_BM (_.contribob)), rcpath);
}
if (fclose (fil))
FATAL_BM ("failed to fclose %s", rcpath);
fil = NULL;
INFOPRINTF_BM
("check and load of %d contributors in file %s completed successfully\n",
nbcontrib, rcpath);
} /* end check_and_load_contributors_file_BM */
static void
handle_loaded_contributor_bm (struct stackframe_stBM *stkf,
struct loadedcontribdata_bm *pd)
{
objectval_tyBM *k_contributor_class = BMK_5BAqWtmxAH6_9rCGuxiNbfc;
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * contribob; //current contributor object
objectval_tyBM * hsetob; //hash set of parsed contributors
value_tyBM namev; /* string value, name of contributor object */
value_tyBM mailv; /* string value, mail of contributor object */
value_tyBM contribsetv; /* set of keys in hsetob */
);
ASSERT_BM (pd && pd->lcda_magic == LOADEDCONTRIBDATAMAGIC_BM);
const char *rcpath = pd->lcda_rcpath;
rawid_tyBM curid = pd->lcda_curid;
const char *curcontrib = pd->lcda_curcontrib;
const char *curoidstr = pd->lcda_curoidstr;
const char *curemail = pd->lcda_curemail;
//const char* curalias = pd->lcda_curalias;
int lincnt = pd->lcda_lincnt;
_.contribob = findobjofid_BM (curid);
_.hsetob = pd->lcda_phsetob ? (*pd->lcda_phsetob) : NULL;
if (!_.contribob)
FATAL_BM
("in %s line#%d contributor %s of oid %s is missing in persistent heap,"
" so remove or comment out that line, then add that contributor",
rcpath, lincnt, curcontrib, curoidstr);
if (objhashsetcontainspayl_BM (_.hsetob, _.contribob))
FATAL_BM
("in %s line#%d contributor %s of oid %s and object %s is duplicated",
rcpath, lincnt, curcontrib, curoidstr, objectdbg_BM (_.contribob));
if (!objhashsetcontainspayl_BM (BMP_contributors, _.contribob))
FATAL_BM
("in %s line#%d contributor %s of oid %s and object %s in not in `contributors` hashset-object",
rcpath, lincnt, curcontrib, curoidstr, objectdbg_BM (_.contribob));
objlock_BM (_.contribob);
if (!objectisinstance_BM (_.contribob, k_contributor_class))
FATAL_BM
("in %s line#%d for contributor %s of oid %s the object %s is not of `contributor_class`",
rcpath, lincnt, curcontrib, curoidstr, objectdbg_BM (_.contribob));
objclearpayload_BM (_.contribob);
{
struct user_stBM *us =
allocgcty_BM (typayl_user_BM, sizeof (struct user_stBM));
us->user_ownobj = _.contribob;
us->user_namev = _.namev = (value_tyBM) makestring_BM (curcontrib);
us->user_emailv = _.mailv = (value_tyBM) makestring_BM (curemail);
objputpayload_BM (_.contribob, us);
DBGPRINTF_BM
("check_and_load_contributors_file lincnt#%d contribob %s with name %s email %s, us@%p",
lincnt, objectdbg_BM (_.contribob), curcontrib, curemail, us);
ASSERT_BM (objpayload_BM (_.contribob) == us);
ASSERT_BM (curcontrib != NULL);
}
objunlock_BM (_.contribob);
objhashsetaddpayl_BM (_.hsetob, _.contribob);
if (!isstring_BM (_.namev))
FATAL_BM
("in %s line#%d contributor %s of oid %s and object %s has no user-name",
rcpath, lincnt, curcontrib, curoidstr, objectdbg_BM (_.contribob));
if (strcmp (bytstring_BM (_.namev), curcontrib))
FATAL_BM
("in %s line#%d contributor %s of oid %s and object %s which has unexpected name %s",
rcpath, lincnt, curcontrib, curoidstr, objectdbg_BM (_.contribob),
bytstring_BM (_.namev));
*(pd->lcda_pnamev) = _.namev;
*(pd->lcda_phsetob) = _.hsetob;
*(pd->lcda_pcontribob) = _.contribob;
} /* end of handle_loaded_contributor_bm */
////////////////
void
check_passwords_file_BM (struct loader_stBM *ld, struct stackframe_stBM *stkf)
{
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * contribob; //current contributor object
value_tyBM namev; /* string value, name of contributor object */
);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
if (!ld || ld->ld_magic != LOADERMAGIC_BM)
FATAL_BM
("check_passwords_file_BM invalid loader for path %s",
passwords_filepath_BM);
ASSERT_BM (passwords_filepath_BM && passwords_filepath_BM[0] == '/');
FILE *passfil = fopen (passwords_filepath_BM, "r");
if (!passfil)
FATAL_BM ("check_contributor_password fopen %s failed: %m",
passwords_filepath_BM);
if (flock (fileno (passfil), LOCK_EX))
FATAL_BM ("check_contributor_password failed to flock fd#%d for %s",
fileno (passfil), passwords_filepath_BM);
size_t linsiz = 128;
char *linbuf = calloc (linsiz, 1);
int lincnt = 0;
if (!linbuf)
FATAL_BM ("check_contributor_password failed to calloc line of %zd",
linsiz);
/// read password file loop
for (;;)
{
ssize_t linlen = getline (&linbuf, &linsiz, passfil);
if (linlen < 0)
break;
if (linbuf[linlen] == '\n')
linbuf[linlen] = (char) 0;
lincnt++;
if (linbuf[0] == '#' || linbuf[0] == '\n' || !linbuf[0])
continue;
const char *end = NULL;
if (!g_utf8_validate (linbuf, -1, &end) && end && *end)
FATAL_BM ("in password file %s line#%d is invalid UTF8: %s",
passwords_filepath_BM, lincnt, linbuf);
// linbuf should be like: <contribname>;<oid>;<encrypted-password>
char *semcol1 = strchr (linbuf, ';');
char *semcol2 = semcol1 ? strchr (semcol1 + 1, ';') : NULL;
if (!semcol2)
FATAL_BM
("in password file %s line#%d should be like <contributor-name>;<oid>;<encrypted-password> but is %s",
passwords_filepath_BM, lincnt, linbuf);
*semcol1 = (char) 0;
*semcol2 = (char) 0;
const char *curcontrib = linbuf;
const char *curoidstr = semcol1 + 1;
const char *curcryptpass = semcol2 + 1;
char *errmsg = NULL;
if (!valid_contributor_name_BM (curcontrib, &errmsg))
FATAL_BM
("in password file %s line#%d has invalid contributor name %s : %s",
passwords_filepath_BM, lincnt, curcontrib, errmsg);
const char *endid = NULL;
rawid_tyBM curid = parse_rawid_BM (curoidstr, &endid);
if (!endid || *endid || !curid.id_hi || !curid.id_lo)
FATAL_BM
("in password file %s line#%d has invalid oid %s for contributor %s",
passwords_filepath_BM, lincnt, curoidstr, curcontrib);
_.contribob = findobjofid_BM (curid);
if (!_.contribob)
{
WARNPRINTF_BM
("in password file %s line#%d has unknown oid %s for contributor %s, skipping...\n",
passwords_filepath_BM, lincnt, curoidstr, curcontrib);
continue;
}
objlock_BM (_.contribob);
if (!objhascontributorpayl_BM (_.contribob))
FATAL_BM
("in password file %s line#%d contributor %s of oid %s and object %s is not a contributor-object",
passwords_filepath_BM, lincnt, curcontrib, curoidstr,
objectdbg_BM (_.contribob));
_.namev = (value_tyBM) objcontributornamepayl_BM (_.contribob);
objunlock_BM (_.contribob);
if (!isstring_BM (_.namev)
|| strcmp (bytstring_BM (_.namev), curcontrib))
FATAL_BM
("in password file %s line#%d contributor %s of oid %s and object %s which has unexpected name %s",
passwords_filepath_BM, lincnt, curcontrib, curoidstr,
objectdbg_BM (_.contribob), bytstring_BM (_.namev) ? : "**none**");
if (strncmp (curcryptpass, "$6$", 3))
FATAL_BM
("in password file %s line#%d contributor %s of oid %s and object %s has bad encrypted password %s",
passwords_filepath_BM, lincnt, curcontrib, curoidstr,
objectdbg_BM (_.contribob), curcryptpass);
}
if (linbuf)
free (linbuf), linbuf = NULL;
if (passfil)
{
if (flock (fileno (passfil), LOCK_UN))
FATAL_BM ("failed to un-flock fd#%d for %s", fileno (passfil),
passwords_filepath_BM);
if (fclose (passfil))
FATAL_BM ("failed to fclose %s", passwords_filepath_BM);
passfil = NULL;
}
} /* end check_passwords_file_BM */
////////////////
objectval_tyBM *add_contributor_name_email_alias_BM
(const char *name, const char *email, const char *alias,
char **perrmsg, struct stackframe_stBM *stkf)
{
objectval_tyBM *k_contributor_class = BMK_5BAqWtmxAH6_9rCGuxiNbfc;
LOCALFRAME_BM ( /*prev: */ stkf, /*descr: */ NULL,
objectval_tyBM * newcontribob; //returned contributor object
objectval_tyBM * contribob; //current contributor object
objectval_tyBM * assocob; // temporary assoc-object
// mapping
// contributors-objects to
// *contributors(<email>,<alias>)
// nodes
value_tyBM namev; // the name string
value_tyBM emailv; // the email string value
value_tyBM aliasv; // the alias string value
value_tyBM nodev; // the node
);
bool knowncontrib = false;
if (!alias)
alias = "";
if (perrmsg)
*perrmsg = NULL;
DBGPRINTF_BM ("add_contributor_name_email_alias start name='%s'"
" email='%s' alias='%s' perrmsg@%p",
name, email, alias, (void *) perrmsg);
ASSERT_BM (name && name[0]);
ASSERT_BM (email && email[0]);
if (!valid_contributor_name_BM (name, perrmsg))
LOCALRETURN_BM (NULL);
if (!valid_email_BM (email, CHECKDNS_BM, perrmsg))
LOCALRETURN_BM (NULL);
if (alias && alias[0] && !valid_email_BM (alias, CHECKDNS_BM, perrmsg))
LOCALRETURN_BM (NULL);
// the contributor files should exist and contain only valid
// entries. Otherwise fatal error!
FILE *fil = fopen (contributors_filepath_BM, "r+");
if (!fil)
{
FATAL_BM ("cannot open contributors file %s : %m",
CONTRIBUTORS_FILE_BM);
LOCALRETURN_BM (NULL);
}
const char *rcpath = contributors_filepath_BM;
struct stat mystat = { };
if (!rcpath)
FATAL_BM ("cannot get real path of contributor file %s: %m",
CONTRIBUTORS_FILE_BM);
int fd = fileno (fil);
memset (&mystat, 0, sizeof (mystat));
if (fstat (fd, &mystat))
FATAL_BM ("failed to fstat fd#%d for %s", fd, rcpath);
// the file size gives a guess on the initial size of assocob
_.assocob = makeobj_BM ();
objputassocpayl_BM (_.assocob, prime_above_BM (mystat.st_size / 64 + 10));
if (flock (fd, LOCK_EX))
FATAL_BM ("failed to flock fd#%d for %s", fd, rcpath);
size_t linsiz = 128;
char *linbuf = calloc (linsiz, 1);
int lincnt = 0;
int nbcontrib = 0;
if (!linbuf)
FATAL_BM
("add_contributor_name_email_alias can't alloc line of %zd bytes",
linsiz);
/// reading loop
for (;;)
{
_.contribob = NULL;
_.namev = NULL;