From 5ea77a75dd2d2158401331879f3c8f47940a732c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:35:32 +0200 Subject: Adding upstream version 2.5.13+dfsg. Signed-off-by: Daniel Baumann --- libraries/libldap/ldifutil.c | 724 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 724 insertions(+) create mode 100644 libraries/libldap/ldifutil.c (limited to 'libraries/libldap/ldifutil.c') diff --git a/libraries/libldap/ldifutil.c b/libraries/libldap/ldifutil.c new file mode 100644 index 0000000..df557e5 --- /dev/null +++ b/libraries/libldap/ldifutil.c @@ -0,0 +1,724 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2022 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +/* Portions Copyright (c) 1990 Regents of the University of Michigan. + * All rights reserved. + */ + +/* + * This file contains public API to help with parsing LDIF + */ + +#include "portable.h" + +#include + +#include +#include +#include +#include +#include +#include + +#include "ldap-int.h" +#include "ldif.h" + +#define M_SEP 0x7f + +/* strings found in LDIF entries */ +static struct berval BV_VERSION = BER_BVC("version"); +static struct berval BV_DN = BER_BVC("dn"); +static struct berval BV_CONTROL = BER_BVC("control"); +static struct berval BV_CHANGETYPE = BER_BVC("changetype"); +static struct berval BV_ADDCT = BER_BVC("add"); +static struct berval BV_MODIFYCT = BER_BVC("modify"); +static struct berval BV_DELETECT = BER_BVC("delete"); +static struct berval BV_MODRDNCT = BER_BVC("modrdn"); +static struct berval BV_MODDNCT = BER_BVC("moddn"); +static struct berval BV_RENAMECT = BER_BVC("rename"); +static struct berval BV_MODOPADD = BER_BVC("add"); +static struct berval BV_MODOPREPLACE = BER_BVC("replace"); +static struct berval BV_MODOPDELETE = BER_BVC("delete"); +static struct berval BV_MODOPINCREMENT = BER_BVC("increment"); +static struct berval BV_NEWRDN = BER_BVC("newrdn"); +static struct berval BV_DELETEOLDRDN = BER_BVC("deleteoldrdn"); +static struct berval BV_NEWSUP = BER_BVC("newsuperior"); + +#define BV_CASEMATCH(a, b) \ + ((a)->bv_len == (b)->bv_len && 0 == strcasecmp((a)->bv_val, (b)->bv_val)) + +static int parse_ldif_control LDAP_P(( struct berval *bval, LDAPControl ***ppctrls )); + +void +ldap_ldif_record_done( LDIFRecord *lr ) +{ + int i; + + /* the LDAPControl stuff does not allow the use of memory contexts */ + if (lr->lr_ctrls != NULL) { + ldap_controls_free( lr->lr_ctrls ); + } + if ( lr->lr_lm != NULL ) { + ber_memfree_x( lr->lr_lm, lr->lr_ctx ); + } + if ( lr->lr_mops != NULL ) { + ber_memfree_x( lr->lr_mops, lr->lr_ctx ); + } + for (i=lr->lr_lines-1; i>=0; i--) + if ( lr->lr_freeval[i] ) ber_memfree_x( lr->lr_vals[i].bv_val, lr->lr_ctx ); + ber_memfree_x( lr->lr_btype, lr->lr_ctx ); + + memset( lr, 0, sizeof(LDIFRecord) ); +} + +/* + * ldap_parse_ldif_record_x() will convert an LDIF record read with ldif_read_record() + * into an array of LDAPMod* and an array of LDAPControl*, suitable for passing + * directly to any other LDAP API function that takes LDAPMod** and LDAPControl** + * arguments, such as ldap_modify_s(). + * + * rbuf - the ldif record buffer returned from ldif_read_record - rbuf.bv_val must be + * writable - will use ldif_getline to read from it + * linenum - the ldif line number returned from ldif_read_record + * - used for logging errors (e.g. error at line N) + * lr - holds the data to return + * errstr - a string used for logging (usually the program name e.g. "ldapmodify" + * flags - 0 or some combination of LDIF_DEFAULT_ADD LDIF_ENTRIES_ONLY LDIF_NO_CONTROLS + * ctx is the memory allocation context - if NULL, use the standard memory allocator + */ +int +ldap_parse_ldif_record_x( + struct berval *rbuf, + unsigned long linenum, + LDIFRecord *lr, + const char *errstr, + unsigned int flags, + void *ctx ) +{ + char *line, *dn; + int rc, modop; + int expect_modop, expect_sep; + int ldapadd, new_entry, delete_entry, got_all, no_dn; + LDAPMod **pmods; + int version; + LDAPControl **pctrls; + int i, j, k, idn, nmods; + struct berval **bvl, bv; + + assert( lr != NULL ); + assert( rbuf != NULL ); + memset( lr, 0, sizeof(LDIFRecord) ); + lr->lr_ctx = ctx; /* save memory context for later */ + ldapadd = flags & LDIF_DEFAULT_ADD; + no_dn = flags & LDIF_NO_DN; + expect_modop = flags & LDIF_MODS_ONLY; + new_entry = ldapadd; + + rc = got_all = delete_entry = modop = 0; + expect_sep = 0; + version = 0; + pmods = NULL; + pctrls = NULL; + dn = NULL; + + lr->lr_lines = ldif_countlines( rbuf->bv_val ); + lr->lr_btype = ber_memcalloc_x( 1, (lr->lr_lines+1)*2*sizeof(struct berval)+lr->lr_lines, ctx ); + if ( !lr->lr_btype ) + return LDAP_NO_MEMORY; + + lr->lr_vals = lr->lr_btype+lr->lr_lines+1; + lr->lr_freeval = (char *)(lr->lr_vals+lr->lr_lines+1); + i = -1; + + while ( rc == 0 && ( line = ldif_getline( &rbuf->bv_val )) != NULL ) { + int freev; + + if ( *line == '\n' || *line == '\0' ) { + break; + } + + ++i; + + if ( line[0] == '-' && !line[1] ) { + BER_BVZERO( lr->lr_btype+i ); + lr->lr_freeval[i] = 0; + continue; + } + + if ( ( rc = ldif_parse_line2( line, lr->lr_btype+i, lr->lr_vals+i, &freev ) ) < 0 ) { + fprintf( stderr, _("%s: invalid format (line %lu) entry: \"%s\"\n"), + errstr, linenum+i, dn == NULL ? "" : dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + lr->lr_freeval[i] = freev; + + if ( dn == NULL && !no_dn ) { + if ( linenum+i == 1 && BV_CASEMATCH( lr->lr_btype+i, &BV_VERSION )) { + /* lutil_atoi() introduces a dependence of libldap + * on liblutil; we only allow version 1 by now (ITS#6654) + */ +#if 0 + int v; + if( lr->lr_vals[i].bv_len == 0 || lutil_atoi( &v, lr->lr_vals[i].bv_val) != 0 || v != 1 ) +#endif + static const struct berval version1 = { 1, "1" }; + if ( lr->lr_vals[i].bv_len != version1.bv_len || strncmp( lr->lr_vals[i].bv_val, version1.bv_val, version1.bv_len ) != 0 ) + { + fprintf( stderr, + _("%s: invalid version %s, line %lu (ignored)\n"), + errstr, lr->lr_vals[i].bv_val, linenum ); + } + version++; + + } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) { + lr->lr_dn = lr->lr_vals[i]; + dn = lr->lr_dn.bv_val; /* primarily for logging */ + idn = i; + } + /* skip all lines until we see "dn:" */ + } + } + + /* check to make sure there was a dn: line */ + if ( !dn && !no_dn ) { + rc = 0; + goto leave; + } + + lr->lr_lines = i+1; + + if( lr->lr_lines == 0 ) { + rc = 0; + goto leave; + } + + if( version && lr->lr_lines == 1 ) { + rc = 0; + goto leave; + } + + if ( no_dn ) { + i = 0; + } else { + i = idn+1; + /* Check for "control" tag after dn and before changetype. */ + if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CONTROL )) { + /* Parse and add it to the list of controls */ + if ( !( flags & LDIF_NO_CONTROLS ) ) { + rc = parse_ldif_control( lr->lr_vals+i, &pctrls ); + if (rc != 0) { + fprintf( stderr, + _("%s: Error processing %s line, line %lu: %s\n"), + errstr, BV_CONTROL.bv_val, linenum+i, ldap_err2string(rc) ); + } + } + i++; + if ( i>= lr->lr_lines ) { +short_input: + fprintf( stderr, + _("%s: Expecting more input after %s line, line %lu\n"), + errstr, lr->lr_btype[i-1].bv_val, linenum+i ); + + rc = LDAP_PARAM_ERROR; + goto leave; + } + } + } + + /* Check for changetype */ + if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CHANGETYPE )) { +#ifdef LIBERAL_CHANGETYPE_MODOP + /* trim trailing spaces (and log warning ...) */ + int icnt; + for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) { + if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) { + break; + } + } + + if ( ++icnt != lr->lr_vals[i].bv_len ) { + fprintf( stderr, _("%s: illegal trailing space after" + " \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"), + errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn ); + lr->lr_vals[i].bv_val[icnt] = '\0'; + } +#endif /* LIBERAL_CHANGETYPE_MODOP */ + + /* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or + there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */ + if ( flags & LDIF_ENTRIES_ONLY ) { + if ( !( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) ) { + ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug, + _("%s: skipping LDIF record beginning at line %lu: " + "changetype '%.*s' found but entries only was requested\n"), + errstr, linenum, + (int)lr->lr_vals[i].bv_len, + (const char *)lr->lr_vals[i].bv_val ); + goto leave; + } + } + + if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODIFYCT )) { + new_entry = 0; + expect_modop = 1; + } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) { + new_entry = 1; + modop = LDAP_MOD_ADD; + } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODRDNCT ) + || BV_CASEMATCH( lr->lr_vals+i, &BV_MODDNCT ) + || BV_CASEMATCH( lr->lr_vals+i, &BV_RENAMECT )) + { + i++; + if ( i >= lr->lr_lines ) + goto short_input; + if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWRDN )) { + fprintf( stderr, _("%s: expecting \"%s:\" but saw" + " \"%s:\" (line %lu, entry \"%s\")\n"), + errstr, BV_NEWRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + lr->lrop_newrdn = lr->lr_vals[i]; + i++; + if ( i >= lr->lr_lines ) + goto short_input; + if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_DELETEOLDRDN )) { + fprintf( stderr, _("%s: expecting \"%s:\" but saw" + " \"%s:\" (line %lu, entry \"%s\")\n"), + errstr, BV_DELETEOLDRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + lr->lrop_delold = ( lr->lr_vals[i].bv_val[0] == '0' ) ? 0 : 1; + i++; + if ( i < lr->lr_lines ) { + if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWSUP )) { + fprintf( stderr, _("%s: expecting \"%s:\" but saw" + " \"%s:\" (line %lu, entry \"%s\")\n"), + errstr, BV_NEWSUP.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + lr->lrop_newsup = lr->lr_vals[i]; + i++; + } + got_all = 1; + } else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_DELETECT )) { + got_all = delete_entry = 1; + } else { + fprintf( stderr, + _("%s: unknown %s \"%s\" (line %lu, entry \"%s\")\n"), + errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + i++; + } else if ( ldapadd ) { /* missing changetype => add */ + new_entry = 1; + modop = LDAP_MOD_ADD; + } else { + /* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or + there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */ + if ( flags & LDIF_ENTRIES_ONLY ) { + ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug, + _("%s: skipping LDIF record beginning at line %lu: " + "no changetype found but entries only was requested and " + "the default setting for missing changetype is modify\n"), + errstr, linenum ); + goto leave; + } + expect_modop = 1; /* missing changetype => modify */ + } + + if ( got_all ) { + if ( i < lr->lr_lines ) { + fprintf( stderr, + _("%s: extra lines at end (line %lu, entry \"%s\")\n"), + errstr, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + goto doit; + } + + nmods = lr->lr_lines - i; + idn = i; + + if ( new_entry ) { + int fv; + + /* Make sure all attributes with multiple values are contiguous */ + for (; ilr_lines; i++) { + for (j=i+1; jlr_lines; j++) { + if ( !lr->lr_btype[j].bv_val ) { + fprintf( stderr, + _("%s: missing attributeDescription (line %lu, entry \"%s\")\n"), + errstr, linenum+j, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + if ( BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+j )) { + nmods--; + /* out of order, move intervening attributes down */ + if ( j != i+1 ) { + bv = lr->lr_vals[j]; + fv = lr->lr_freeval[j]; + for (k=j; k>i; k--) { + lr->lr_btype[k] = lr->lr_btype[k-1]; + lr->lr_vals[k] = lr->lr_vals[k-1]; + lr->lr_freeval[k] = lr->lr_freeval[k-1]; + } + k++; + lr->lr_btype[k] = lr->lr_btype[i]; + lr->lr_vals[k] = bv; + lr->lr_freeval[k] = fv; + } + i++; + } + } + } + /* Allocate space for array of mods, array of pointers to mods, + * and array of pointers to values, allowing for NULL terminators + * for the pointer arrays... + */ + lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) + + (nmods+1) * sizeof(LDAPMod*) + + (lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx ); + if ( lr->lr_lm == NULL ) { + rc = LDAP_NO_MEMORY; + goto leave; + } + + pmods = (LDAPMod **)(lr->lr_lm+nmods); + bvl = (struct berval **)(pmods+nmods+1); + + j = 0; + k = -1; + BER_BVZERO(&bv); + for (i=idn; ilr_lines; i++) { + if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) { + fprintf( stderr, _("%s: attributeDescription \"%s\":" + " (possible missing newline" + " after line %lu, entry \"%s\"?)\n"), + errstr, lr->lr_btype[i].bv_val, linenum+i - 1, dn ); + } + if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) { + bvl[k++] = NULL; + bv = lr->lr_btype[i]; + lr->lr_lm[j].mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES; + lr->lr_lm[j].mod_type = bv.bv_val; + lr->lr_lm[j].mod_bvalues = bvl+k; + pmods[j] = lr->lr_lm+j; + j++; + } + bvl[k++] = lr->lr_vals+i; + } + bvl[k] = NULL; + pmods[j] = NULL; + goto doit; + } + + lr->lr_mops = ber_memalloc_x( lr->lr_lines+1, ctx ); + if ( lr->lr_mops == NULL ) { + rc = LDAP_NO_MEMORY; + goto leave; + } + + lr->lr_mops[lr->lr_lines] = M_SEP; + if ( i > 0 ) + lr->lr_mops[i-1] = M_SEP; + + for ( ; ilr_lines; i++ ) { + if ( expect_modop ) { +#ifdef LIBERAL_CHANGETYPE_MODOP + /* trim trailing spaces (and log warning ...) */ + int icnt; + for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) { + if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) break; + } + + if ( ++icnt != lr->lr_vals[i].bv_len ) { + fprintf( stderr, _("%s: illegal trailing space after" + " \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"), + errstr, type, lr->lr_vals[i].bv_val, linenum+i, dn ); + lr->lr_vals[i].bv_val[icnt] = '\0'; + } +#endif /* LIBERAL_CHANGETYPE_MODOP */ + + expect_modop = 0; + expect_sep = 1; + if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPADD )) { + modop = LDAP_MOD_ADD; + lr->lr_mops[i] = M_SEP; + nmods--; + } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPREPLACE )) { + /* defer handling these since they might have no values. + * Use the BVALUES flag to signal that these were + * deferred. If values are provided later, this + * flag will be switched off. + */ + modop = LDAP_MOD_REPLACE; + lr->lr_mops[i] = modop | LDAP_MOD_BVALUES; + lr->lr_btype[i] = lr->lr_vals[i]; + } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPDELETE )) { + modop = LDAP_MOD_DELETE; + lr->lr_mops[i] = modop | LDAP_MOD_BVALUES; + lr->lr_btype[i] = lr->lr_vals[i]; + } else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPINCREMENT )) { + modop = LDAP_MOD_INCREMENT; + lr->lr_mops[i] = M_SEP; + nmods--; + } else { /* no modify op: invalid LDIF */ + fprintf( stderr, _("%s: modify operation type is missing at" + " line %lu, entry \"%s\"\n"), + errstr, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + bv = lr->lr_vals[i]; + } else if ( expect_sep && BER_BVISEMPTY( lr->lr_btype+i )) { + lr->lr_mops[i] = M_SEP; + expect_sep = 0; + expect_modop = 1; + nmods--; + } else { + if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) { + fprintf( stderr, _("%s: wrong attributeType at" + " line %lu, entry \"%s\"\n"), + errstr, linenum+i, dn ); + rc = LDAP_PARAM_ERROR; + goto leave; + } + lr->lr_mops[i] = modop; + /* If prev op was deferred and matches this type, + * clear the flag + */ + if ( (lr->lr_mops[i-1] & LDAP_MOD_BVALUES) + && BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+i-1 )) + { + lr->lr_mops[i-1] = M_SEP; + nmods--; + } + } + } + + /* Allocate space for array of mods, array of pointers to mods, + * and array of pointers to values, allowing for NULL terminators + * for the pointer arrays... + */ + lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) + + (nmods+1) * sizeof(LDAPMod*) + + (lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx ); + if ( lr->lr_lm == NULL ) { + rc = LDAP_NO_MEMORY; + goto leave; + } + + pmods = (LDAPMod **)(lr->lr_lm+nmods); + bvl = (struct berval **)(pmods+nmods+1); + + j = 0; + k = -1; + BER_BVZERO(&bv); + if ( idn > 0 ) + lr->lr_mops[idn-1] = M_SEP; + for (i=idn; ilr_lines; i++) { + if ( lr->lr_mops[i] == M_SEP ) + continue; + if ( lr->lr_mops[i] != lr->lr_mops[i-1] || !BV_CASEMATCH( lr->lr_btype+i, &bv )) { + bvl[k++] = NULL; + bv = lr->lr_btype[i]; + lr->lr_lm[j].mod_op = lr->lr_mops[i] | LDAP_MOD_BVALUES; + lr->lr_lm[j].mod_type = bv.bv_val; + if ( lr->lr_mops[i] & LDAP_MOD_BVALUES ) { + lr->lr_lm[j].mod_bvalues = NULL; + } else { + lr->lr_lm[j].mod_bvalues = bvl+k; + } + pmods[j] = lr->lr_lm+j; + j++; + } + bvl[k++] = lr->lr_vals+i; + } + bvl[k] = NULL; + pmods[j] = NULL; + +doit: + /* first, set the common fields */ + lr->lr_ctrls = pctrls; + /* next, set the op */ + if ( delete_entry ) { + lr->lr_op = LDAP_REQ_DELETE; + } else if ( lr->lrop_newrdn.bv_val != NULL ) { + lr->lr_op = LDAP_REQ_MODDN; + } else { + /* for now, either add or modify */ + lr->lrop_mods = pmods; + if ( new_entry ) { + lr->lr_op = LDAP_REQ_ADD; + } else { + lr->lr_op = LDAP_REQ_MODIFY; + } + } + +leave: + if ( rc != LDAP_SUCCESS ) { + ldap_ldif_record_done( lr ); + } + + return( rc ); +} + +/* Same as ldap_parse_ldif_record_x() + * public API does not expose memory context + */ +int +ldap_parse_ldif_record( + struct berval *rbuf, + unsigned long linenum, + LDIFRecord *lr, + const char *errstr, + unsigned int flags ) +{ + return ldap_parse_ldif_record_x( rbuf, linenum, lr, errstr, flags, NULL ); +} + +/* Parse an LDIF control line of the form + control: oid [true/false] [: value] or + control: oid [true/false] [:: base64-value] or + control: oid [true/false] [:< url] + The control is added to the list of controls in *ppctrls. +*/ +static int +parse_ldif_control( + struct berval *bval, + LDAPControl ***ppctrls) +{ + char *oid = NULL; + int criticality = 0; /* Default is false if not present */ + int i, rc=0; + char *s, *oidStart; + LDAPControl *newctrl = NULL; + LDAPControl **pctrls = NULL; + struct berval type, bv = BER_BVNULL; + int freeval = 0; + + if (ppctrls) pctrls = *ppctrls; + /* OID should come first. Validate and extract it. */ + s = bval->bv_val; + if (*s == 0) return ( LDAP_PARAM_ERROR ); + oidStart = s; + while (isdigit((unsigned char)*s) || *s == '.') { + s++; /* OID should be digits or . */ + } + if (s == oidStart) { + return ( LDAP_PARAM_ERROR ); /* OID was not present */ + } + if (*s) { /* End of OID should be space or NULL */ + if (!isspace((unsigned char)*s)) { + return ( LDAP_PARAM_ERROR ); /* else OID contained invalid chars */ + } + *s++ = 0; /* Replace space with null to terminate */ + } + + oid = ber_strdup(oidStart); + if (oid == NULL) return ( LDAP_NO_MEMORY ); + + /* Optional Criticality field is next. */ + while (*s && isspace((unsigned char)*s)) { + s++; /* Skip white space before criticality */ + } + if (strncasecmp(s, "true", 4) == 0) { + criticality = 1; + s += 4; + } + else if (strncasecmp(s, "false", 5) == 0) { + criticality = 0; + s += 5; + } + + /* Optional value field is next */ + while (*s && isspace((unsigned char)*s)) { + s++; /* Skip white space before value */ + } + if (*s) { + if (*s != ':') { /* If value is present, must start with : */ + rc = LDAP_PARAM_ERROR; + goto cleanup; + } + + /* Back up so value is in the form + a: value + a:: base64-value + a:< url + Then we can use ldif_parse_line2 to extract and decode the value + */ + s--; + *s = 'a'; + + rc = ldif_parse_line2(s, &type, &bv, &freeval); + if (rc < 0) { + rc = LDAP_PARAM_ERROR; + goto cleanup; + } + } + + /* Create a new LDAPControl structure. */ + newctrl = (LDAPControl *)ber_memalloc(sizeof(LDAPControl)); + if ( newctrl == NULL ) { + rc = LDAP_NO_MEMORY; + goto cleanup; + } + newctrl->ldctl_oid = oid; + oid = NULL; + newctrl->ldctl_iscritical = criticality; + if ( freeval ) + newctrl->ldctl_value = bv; + else + ber_dupbv( &newctrl->ldctl_value, &bv ); + + /* Add the new control to the passed-in list of controls. */ + i = 0; + if (pctrls) { + while ( pctrls[i] ) { /* Count the # of controls passed in */ + i++; + } + } + /* Allocate 1 more slot for the new control and 1 for the NULL. */ + pctrls = (LDAPControl **) ber_memrealloc(pctrls, + (i+2)*(sizeof(LDAPControl *))); + if (pctrls == NULL) { + rc = LDAP_NO_MEMORY; + goto cleanup; + } + pctrls[i] = newctrl; + newctrl = NULL; + pctrls[i+1] = NULL; + *ppctrls = pctrls; + +cleanup: + if (newctrl) { + if (newctrl->ldctl_oid) ber_memfree(newctrl->ldctl_oid); + if (newctrl->ldctl_value.bv_val) { + ber_memfree(newctrl->ldctl_value.bv_val); + } + ber_memfree(newctrl); + } + if (oid) ber_memfree(oid); + + return( rc ); +} + + -- cgit v1.2.3