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https://bitbucket.org/jsuto/piler.git
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parser fix to support some emojis in subject line
Signed-off-by: Janos SUTO <sj@acts.hu>
This commit is contained in:
Janos SUTO
parent
c846b6aa21
commit
1c8dc1cc68
@ -206,9 +206,13 @@ void decodeQP(char *p){
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i += 2;
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}
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else if(p[i] == '_'){
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c = ' ';
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}
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p[k] = c;
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k++;
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}
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p[k] = '\0';
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@ -320,13 +320,12 @@ void fixupEncodedHeaderLine(char *buf, int buflen){
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* but then I saw a 6-7000 byte long subject line, so I've switched to MAXBUFSIZE
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*/
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char v[MAXBUFSIZE], u[MAXBUFSIZE], puf[MAXBUFSIZE], encoding[MAXBUFSIZE], tmpbuf[2*MAXBUFSIZE];
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int need_encoding, ret;
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int need_encoding, ret, prev_encoded=0, n_tokens=0;
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int b64=0, qp=0;
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if(buflen < 5) return;
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memset(puf, 0, sizeof(puf));
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memset(encoding, 0, sizeof(encoding));
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q = buf;
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@ -342,18 +341,46 @@ void fixupEncodedHeaderLine(char *buf, int buflen){
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* We can't use split_str(p, "=?", ...) it will fail with the following pattern
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* =?UTF-8?B?SG9neWFuIMOtcmp1bmsgcGFuYXN6bGV2ZWxldD8=?=
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*
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* Also the below patter requires special care:
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* Also the below pattern requires special care:
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* =?gb2312?B?<something>?==?gb2312?Q?<something else>?=
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*
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* And we have to check the following cases as well:
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* Happy New Year! =?utf-8?q?=F0=9F=8E=86?=
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*/
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b64 = qp = 0;
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memset(encoding, 0, sizeof(encoding));
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r = strstr(p, "=?");
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if(r){
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p = r + 2;
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e = strchr(p, '?');
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if(e){
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*e = '\0';
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snprintf(encoding, sizeof(encoding)-1, "%s", p);
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*e = '?';
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s = strcasestr(e, "?B?");
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if(s){
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b64 = 1;
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p = s + 3;
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}
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else {
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s = strcasestr(e, "?Q?");
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if(s){
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qp = 1;
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p = s + 3;
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}
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}
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}
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end = strstr(p, "?=");
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if(end){
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*end = '\0';
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}
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snprintf(u, sizeof(u)-1, "%s", p);
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if(end) {
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@ -367,47 +394,38 @@ void fixupEncodedHeaderLine(char *buf, int buflen){
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if(u[0] == 0) continue;
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memset(encoding, 0, sizeof(encoding));
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n_tokens++;
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// Check if it's either ?B? or ?Q? encoding ...
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s = strcasestr(u, "?B?");
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if(s){
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decodeBase64(s+3);
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if(b64 == 1) decodeBase64(u);
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else if(qp == 1) decodeQP(u);
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/*
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* https://www.ietf.org/rfc/rfc2047.txt says that
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*
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* "When displaying a particular header field that contains multiple
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* 'encoded-word's, any 'linear-white-space' that separates a pair of
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* adjacent 'encoded-word's is ignored." (6.2)
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*/
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if(prev_encoded == 1 && (b64 == 1 || qp == 1)) {}
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else if(n_tokens > 1){
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strncat(puf, " ", sizeof(puf)-strlen(puf)-1);
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}
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else {
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s = strcasestr(u, "?Q?");
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if(s){
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decodeQP(s+3);
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r = s + 3;
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for(; *r; r++){
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if(*r == '_') *r = ' ';
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}
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if(b64 == 1 || qp == 1){
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prev_encoded = 1;
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need_encoding = 0;
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ret = ERR;
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if(encoding[0] && strcasecmp(encoding, "utf-8")){
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need_encoding = 1;
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ret = utf8_encode(u, strlen(u), &tmpbuf[0], sizeof(tmpbuf), encoding);
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}
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}
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// ... if it is, then get the encoding
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if(s){
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e = strchr(u, '?');
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if(e){
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*e = '\0';
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snprintf(encoding, sizeof(encoding)-1, "%s", u);
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*e = '?';
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need_encoding = 0;
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ret = ERR;
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if(encoding[0] && strcasecmp(encoding, "utf-8")){
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need_encoding = 1;
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ret = utf8_encode(s+3, strlen(s+3), &tmpbuf[0], sizeof(tmpbuf), encoding);
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}
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if(need_encoding == 1 && ret == OK)
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strncat(puf, tmpbuf, sizeof(puf)-strlen(puf)-1);
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else
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strncat(puf, s+3, sizeof(puf)-strlen(puf)-1);
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if(need_encoding == 1 && ret == OK){
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strncat(puf, tmpbuf, sizeof(puf)-strlen(puf)-1);
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}
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else {
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memset(encoding, 0, sizeof(encoding));
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strncat(puf, u, sizeof(puf)-strlen(puf)-1);
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}
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}
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@ -417,8 +435,6 @@ void fixupEncodedHeaderLine(char *buf, int buflen){
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} while(p);
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if(q && encoding[0] == 0) strncat(puf, " ", sizeof(puf)-strlen(puf)-1);
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} while(q);
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snprintf(buf, buflen-1, "%s", puf);
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@ -125,7 +125,7 @@ static void test_fixupEncodedHeaderLine(){
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{"Re: [Bitbucket] Issue #627: ldap user can't login (jsuto/piler)", "Re: [Bitbucket] Issue #627: ldap user can't login (jsuto/piler)"},
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{"=?iso-8859-2?Q?RE:_test.aaa.fu_z=F3na?=", "RE: test.aaa.fu zóna"},
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{"=?iso-8859-2?Q?V=E1ltoz=E1s_az_IT_szervezetben_/_Personal_changes_in_the_?=", "Változás az IT szervezetben / Personal changes in the "},
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{"Re: AAAmil /29 UZ736363", "Re: AAAmil /29 UZ736363"},
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{"Re: AAAmil /29 UZ736363", "Re: AAAmil /29 UZ736363"},
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{"=?UTF-8?Q?[JIRA]_Created:_(HUDSS-196)_T=C5=B1zfal_?=", "[JIRA] Created: (HUDSS-196) Tűzfal "},
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{"=?iso-8859-2?Q?RE:_Baptista_Szeretetszolg=E1lat?=", "RE: Baptista Szeretetszolgálat"},
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{"=?iso-8859-2?B?SXR0IGF6IE1OQiBuYWd5IGRvYuFzYTogaXNt6XQgYmVsZW55+mxuYWsgYSBoaXRlbGV66XNiZSAoMjAxNS4xMS4wMy4gLSBzakBhY3RzLmh1KQ==?=", "Itt az MNB nagy dobása: ismét belenyúlnak a hitelezésbe (2015.11.03. - sj@acts.hu)"},
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@ -139,7 +139,7 @@ static void test_fixupEncodedHeaderLine(){
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{"=?UTF-8?Q?Megh=C3=ADv=C3=B3=20a=20Pulzus=20felm=C3=A9r=C3=A9sre=20/=20Inv?= =?UTF-8?Q?itation=20to=20the=20Pulse=20Survey?=", "Meghívó a Pulzus felmérésre / Invitation to the Pulse Survey"},
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{"=?iso-8859-2?Q?vhost_l=E9trehoz=E1sa?=", "vhost létrehozása"},
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{"Re: MAIL =?UTF-8?B?U1pPTEfDgUxUQVTDgVMgSElCQSAgIEdUUzogOTE1NDUyMQ==?=", "Re: MAIL SZOLGÁLTATÁS HIBA GTS: 9154521"},
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{"[spam???] Better Sex. Better Body. Better Life.", "[spam???] Better Sex. Better Body. Better Life."},
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{"[spam???] Better Sex. Better Body. Better Life.", "[spam???] Better Sex. Better Body. Better Life."},
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{"1gy2tt. V3l4d. M5sk6nt", "1gy2tt. V3l4d. M5sk6nt"},
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{"=?iso-8859-2?B?03Jp4XNpIG1lZ2xlcGV06XMsIG5pbmNzIHT2YmIgbWVudHPpZyBBbWVyaWthIHN64W3hcmEgKDIwMTUuMTEuMDYuIC0gc2pAYWN0cy5odSk=?=", "Óriási meglepetés, nincs több mentség Amerika számára (2015.11.06. - sj@acts.hu)"},
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{"=?utf-8?B?Rlc6IEVtYWlsIGZvZ2Fkw6FzaSBoaWJh?=", "FW: Email fogadási hiba"},
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@ -154,6 +154,8 @@ static void test_fixupEncodedHeaderLine(){
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{"Subject: =?windows-1251?B?ze7i7uPu5O3o5SDv7uTg8OroIOTr/yDC4Pjo?=", "Subject: Новогодние подарки для Ваши"},
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{"Subject: =?utf-8?Q?Divatos,_=C3=BCde_sz=C3=ADneinek_k=C3=B6sz=C3=B6nhet=C5=91en_el?=", "Subject: Divatos, üde színeinek köszönhetően el"},
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{"=?gb2312?B?yc/Gz76pIC0gw7/fTMir0bKy6YjzuOYgKDIwMTcxMDMwLTMxKSBHQlcgUG9k?==?gb2312?Q?ium_&_Basement.docx?=", "上葡京 - 每週全巡查報告 (20171030-31) GBW Podium & Basement.docx"},
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{"Subject: =?UTF-8?Q?=E2=98=85_JubiDu!Versandkost?= =?UTF-8?Q?enfrei-Verl=C3=A4ngerung!=E2=98=85?=", "Subject: ★ JubiDu!Versandkostenfrei-Verlängerung!★"},
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{"Happy New Year! =?utf-8?q?=F0=9F=8E=86?=", "Happy New Year! 🎆"},
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};
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TEST_HEADER();
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@ -5,8 +5,10 @@ set -o pipefail
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set -o nounset
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set -x
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LD_LIBRARY_PATH=../src ./check_parser_utils
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LD_LIBRARY_PATH=../src ./check_parser
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LD_LIBRARY_PATH=../src ./check_rules
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LD_LIBRARY_PATH=../src ./check_digest
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LD_LIBRARY_PATH=../src ./check_mydomains
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export LD_LIBRARY_PATH=../src
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./check_parser_utils
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./check_parser
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./check_rules
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./check_digest
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./check_mydomains
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