CVE-2023-46728 (published 2023-11-06T18:15Z)

Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The gopher protocol is always available and enabled in Squid prior to Squid 6.0.1. Responses triggering this bug are possible to be received from any gopher server, even those without malicious intent. Gopher support has been removed in Squid version 6.0.1. Users are advised to upgrade. Users unable to upgrade should reject all gopher URL requests.

CVSS v3 base score: 7.5, HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Weakness information:
cwe_id: CWE-476
cwe_name: NULL Pointer Dereference
description: The product dereferences a pointer that it expects to be valid but is NULL.
extended_description: 
            
            
            
         
         

Fix information:
repo_url: https://github.com/squid-cache/squid
commit_details: repo_url: https://github.com/squid-cache/squid
author: Alex Rousskov
author_date: 2022-07-26 15:05:54+00:00
msg: Remove support for Gopher protocol (#1092)

Gopher code quality remains too low for production use in most
environments. The code is a persistent source of vulnerabilities and
fixing it requires significant effort. We should not be spending scarce
Project resources on improving that code, especially given the lack of
strong demand for Gopher support.

With this change, Gopher requests will be handled like any other request
with an unknown (to Squid) protocol. For example, HTTP requests with
Gopher URI scheme result in ERR_UNSUP_REQ.

Default Squid configuration still considers TCP port 70 "safe". The
corresponding Safe_ports ACL rule has not been removed for consistency
sake: We consider WAIS port safe even though Squid refuses to forward
WAIS requests:

    acl Safe_ports port 70          # gopher
    acl Safe_ports port 210         # wais
repository: repo_url: https://github.com/squid-cache/squid
repo_name: squid-cache/squid
description: Squid Web Proxy Cache
repo_language: C++
owner: squid-cache
file_changes: filename: Groups.dox
change_type: ModificationType.MODIFY
diff: @@ -31,11 +31,6 @@
  *   caches.
  *   All requests to other proxies are sent as HTTP requests.
  *   All requests to origin-server are sent in that servers protocol.
- *
- \par
- *   Wais and Gopher don't receive much
- *   attention because they comprise a relatively insignificant
- *   portion of Internet traffic.
  */
 
 /**

programming_language: Scala
filename: debug-sections.txt
change_type: ModificationType.MODIFY
diff: @@ -27,7 +27,6 @@ section 06    Disk I/O Routines
 section 07    Multicast
 section 08    Swap File Bitmap
 section 09    File Transfer Protocol (FTP)
-section 10    Gopher
 section 11    Hypertext Transfer Protocol (HTTP)
 section 12    Internet Cache Protocol (ICP)
 section 13    High Level Memory Pool Management

programming_language: TeX
filename: de.po
change_type: ModificationType.MODIFY
diff: @@ -3868,7 +3868,7 @@ msgid ""
 "blocking process."
 msgstr ""
 "B<squid> ist ein leistungsfähiger Proxy caching Server für Web Clients, "
-"welcher FTP, gopher, ICAP, ICP, HTCP and HTTP Data Objects unterstützt. Im "
+"welcher FTP, ICAP, ICP, HTCP and HTTP Data Objects unterstützt. Im "
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 "Anfragen in einem einzigen non-blocking Prozess."
 

programming_language: Shell
filename: en.po
change_type: ModificationType.MODIFY
diff: @@ -4262,7 +4262,7 @@ msgid ""
 "blocking process."
 msgstr ""
 "B<squid> is a high-performance proxy caching server for web clients, "
-"supporting FTP, gopher, ICAP, ICP, HTCP and HTTP data objects.  Unlike "
+"supporting FTP, ICAP, ICP, HTCP and HTTP data objects.  Unlike "
 "traditional caching software, Squid handles all requests in a single, non-"
 "blocking process."
 

programming_language: Shell
filename: en_AU.po
change_type: ModificationType.MODIFY
diff: @@ -4060,7 +4060,7 @@ msgid ""
 "blocking process."
 msgstr ""
 "B<squid> is a high-performance proxy caching server for web clients, "
-"supporting FTP, gopher, ICAP, ICP, HTCP and HTTP data objects.  Unlike "
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programming_language: Shell
filename: es.po
change_type: ModificationType.MODIFY
diff: @@ -2562,7 +2562,7 @@ msgid ""
 "blocking process."
 msgstr ""
 "B<squid> es servidor proxy-caché de alto rendimiento para clientes web que "
-"soporta FTP, gopher, ICAP, ICP, HTCP y objetos de datos HTTP. A diferencia "
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programming_language: Shell
filename: fr.po
change_type: ModificationType.MODIFY
diff: @@ -1495,7 +1495,7 @@ msgid ""
 "non-blocking process."
 msgstr ""
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programming_language: Shell
filename: it.po
change_type: ModificationType.MODIFY
diff: @@ -1485,7 +1485,7 @@ msgid ""
 "non-blocking process."
 msgstr ""
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programming_language: Shell
filename: af.po
change_type: ModificationType.MODIFY
diff: @@ -809,8 +809,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid ondersteun nie alle navraagmetodes vir alle toegangsprotokolle nie. "
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -818,8 +817,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
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 msgstr ""
-"Squid ondersteun nie alle navraagmetodes vir alle toegangsprotokolle nie. "
-"Mens kan by voorbeeld nie 'n Gopher-navraag POST nie."
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: az.po
change_type: ModificationType.MODIFY
diff: @@ -836,8 +836,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid bütün sorğu metodları və bütün protokollardəstəkləmir. Məsələn, Gopher "
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -845,8 +844,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid bütün sorğu metodları və bütün protokollardəstəkləmir. Məsələn, Gopher "
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 #, fuzzy

programming_language: Python
filename: bg.po
change_type: ModificationType.MODIFY
diff: @@ -840,8 +840,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Кеш сървърът не поддържа всички методи на заявка за всички протоколи. "
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -849,8 +848,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
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 msgstr ""
-"Кеш сървърът не поддържа всички методи на заявка за всички протоколи. "
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: ca.po
change_type: ModificationType.MODIFY
diff: @@ -834,8 +834,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "La <i>cache</i> no admet tots els tipus de petici&oacute; per a tots els "
-"protocols. Per exemple, no es pot fer una petici&oacute; tipus POST en el "
-"protocol Gopher."
+"protocols."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -844,8 +843,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 #, fuzzy

programming_language: Python
filename: cs.po
change_type: ModificationType.MODIFY
diff: @@ -831,8 +831,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid nepodporuje všechny typy metod u všech protokolů. Např. není možno "
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+"Squid nepodporuje všechny typy metod u všech protokolů."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -840,8 +839,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid nepodporuje všechny typy metod u všech protokolů. Např. není možno "
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: da.po
change_type: ModificationType.MODIFY
diff: @@ -829,8 +829,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Proxy'en Squid underst&oslash;tter ikke alle foresp&oslash;rgselsmetoder for "
-"alle adgangs protokoller. For eksempel kan du ikke POST en Gopher "
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+"alle adgangs protokoller."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -839,8 +838,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: de.po
change_type: ModificationType.MODIFY
diff: @@ -832,8 +832,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid unterstützt nicht alle Anfragemethoden für alle Protokolle. Sie können "
-"zum Beispiel keine POST Anfrage über das Gopher Protokoll senden."
+"Squid unterstützt nicht alle Anfragemethoden für alle Protokolle."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -841,8 +840,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid unterstützt nicht alle Anfragemethoden für alle Protokolle. Sie können "
-"zum Beispiel keine POST Anfrage über das Gopher Protokoll senden."
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: el.po
change_type: ModificationType.MODIFY
diff: @@ -843,7 +843,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Το Squid δεν υποστηρίζει όλες τις μεθόδους αιτήσεων για όλα τα πρωτόκολλα "
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+"πρόσβασης."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -852,7 +852,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Το Squid δεν υποστηρίζει όλες τις μεθόδους αιτήσεων για όλα τα πρωτόκολλα "
-"πρόσβασης. Για παράδειγμα, το POST για Gopher δεν υποστηρίζεται."
+"πρόσβασης."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: en.po
change_type: ModificationType.MODIFY
diff: @@ -832,8 +832,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid does not support all request methods for all access protocols. For "
-"example, you can not POST a Gopher request."
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -841,8 +840,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid does not support all request methods for all access protocols. For "
-"example, you can not POST a Gopher request."
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: errorpage.css
change_type: ModificationType.MODIFY
diff: @@ -73,7 +73,7 @@ p {
 pre {
 }
 
-/* special event: FTP / Gopher directory listing */
+/* special event: FTP directory listing */
 #dirmsg {
     font-family: courier, monospace;
     color: black;

programming_language: CSS
filename: es-mx.po
change_type: ModificationType.MODIFY
diff: @@ -843,8 +843,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: es.po
change_type: ModificationType.MODIFY
diff: @@ -850,7 +850,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -859,7 +859,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid no admite todos los m&eacute;todos para todos los protocolos de "
-"acceso. Por ejemplo, no se puede hacer un POST a un servidor Gopher."
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 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: et.po
change_type: ModificationType.MODIFY
diff: @@ -838,8 +838,7 @@ msgid ""
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -848,8 +847,7 @@ msgid ""
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programming_language: Python
filename: fi.po
change_type: ModificationType.MODIFY
diff: @@ -823,8 +823,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -832,8 +831,8 @@ msgid ""
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programming_language: Python
filename: fr.po
change_type: ModificationType.MODIFY
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
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@@ -862,8 +861,7 @@ msgid ""
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programming_language: Python
filename: he.po
change_type: ModificationType.MODIFY
diff: @@ -827,8 +827,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
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 msgstr ""
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -836,8 +835,7 @@ msgid ""
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programming_language: Python
filename: hu.po
change_type: ModificationType.MODIFY
diff: @@ -836,8 +836,7 @@ msgid ""
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -846,8 +845,7 @@ msgid ""
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programming_language: Python
filename: hy.po
change_type: ModificationType.MODIFY
diff: @@ -824,8 +824,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
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 msgstr ""
-"Squid-ը բոլոր արձանագրությունների համար բոլոր հարցման մեթոդները չի աջակցում. "
-"Օրինակ, Gopher արձանագրության համար չեք կարող POST հարցում կատարել."
+"Squid-ը բոլոր արձանագրությունների համար բոլոր հարցման մեթոդները չի աջակցում."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -833,8 +832,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid-ը բոլոր արձանագրությունների համար բոլոր հարցման մեթոդները չի աջակցում. "
-"Օրինակ, Gopher արձանագրության համար չեք կարող POST հարցում կատարել."
+"Squid-ը բոլոր արձանագրությունների համար բոլոր հարցման մեթոդները չի աջակցում."
 
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programming_language: Python
filename: it.po
change_type: ModificationType.MODIFY
diff: @@ -853,7 +853,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
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-"protocollo (a esempio non consente una richiesta POST su protocollo Gopher)."
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 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -862,7 +862,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid non consente di utilizzare qualsiasi tipo di richiesta per qualsiasi "
-"protocollo (a esempio non consente una richiesta POST su protocollo Gopher)."
+"protocollo."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: ja.po
change_type: ModificationType.MODIFY
diff: @@ -837,8 +837,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Squidはすべてのアクセス・プロトコルに対して、すべてのリクエストメソッドをサ"
-"ポートしているわけではありません。例えば、POSTをGopherのリクエストで行うこと"
-"はできません。"
+"ポートしているわけではありません。"
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -847,8 +846,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squidはすべてのアクセス・プロトコルに対して、すべてのリクエストメソッドをサ"
-"ポートしているわけではありません。例えば、POSTをGopherのリクエストで行うこと"
-"はできません。"
+"ポートしているわけではありません。"
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: CoffeeScript
filename: ko.po
change_type: ModificationType.MODIFY
diff: @@ -827,8 +827,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid는 모든 접속 프로토콜에 대한 request method를 지원하지 않습니다. 한가지 "
-"예로, Gopher에서 POST request를 사용할 수 없습니다."
+"Squid는 모든 접속 프로토콜에 대한 request method를 지원하지 않습니다."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -836,8 +835,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid는 모든 접속 프로토콜에 대한 request method를 지원하지 않습니다. 한가지 "
-"예로, Gopher에서 POST request를 사용할 수 없습니다."
+"Squid는 모든 접속 프로토콜에 대한 request method를 지원하지 않습니다."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: lt.po
change_type: ModificationType.MODIFY
diff: @@ -836,8 +836,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid palaiko ne visus užklausos metodus daliai protokolų. Pavyzdžiui, jūs "
-"negalite vykdyti POST Gopher tipo užklausoje."
+"Squid palaiko ne visus užklausos metodus daliai protokolų."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -845,8 +844,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid palaiko ne visus užklausos metodus daliai protokolų. Pavyzdžiui, jūs "
-"negalite vykdyti POST Gopher tipo užklausoje."
+"Squid palaiko ne visus užklausos metodus daliai protokolų."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: lv.po
change_type: ModificationType.MODIFY
diff: @@ -840,8 +840,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid neatbalsta visas pieprasījuma metodes visiem protokoliem. Piemēram, "
-"Jūs nevarat veikt POST pieprasījumu izmantojot Gopher protokolu."
+"Squid neatbalsta visas pieprasījuma metodes visiem protokoliem."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -849,8 +848,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid neatbalsta visas pieprasījuma metodes visiem protokoliem. Piemēram, "
-"Jūs nevarat veikt POST pieprasījumu izmantojot Gopher protokolu."
+"Squid neatbalsta visas pieprasījuma metodes visiem protokoliem."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: nl.po
change_type: ModificationType.MODIFY
diff: @@ -842,8 +842,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid ondersteunt niet alle verzoekmethoden voor alle toegangsprotocollen. U "
-"kunt bijvoorbeeld geen Gopher verzoek POSTen."
+"Squid ondersteunt niet alle verzoekmethoden voor alle toegangsprotocollen."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -851,8 +850,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid ondersteunt niet alle verzoekmethoden voor alle toegangsprotocollen. U "
-"kunt bijvoorbeeld geen Gopher verzoek POSTen."
+"Squid ondersteunt niet alle verzoekmethoden voor alle toegangsprotocollen."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: pl.po
change_type: ModificationType.MODIFY
diff: @@ -831,8 +831,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid nie wspiera wszystkich metod we wszystkich protokołach. Na przykład "
-"nie możesz użyć metody POST w żądaniu skierowanym do usługi Gopher."
+"Squid nie wspiera wszystkich metod we wszystkich protokołach."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -840,8 +839,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid nie wspiera wszystkich metod we wszystkich protokołach. Na przykład "
-"nie możesz użyć metody POST w żądaniu skierowanym do usługi Gopher."
+"Squid nie wspiera wszystkich metod we wszystkich protokołach."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: pt-br.po
change_type: ModificationType.MODIFY
diff: @@ -842,8 +842,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Squid não suporta todos os métodos de requisição para todos os protocolos de "
-"acesso. Por exemplo, você não pode emitir uma requisição POST ao protocolo "
-"Gopher."
+"acesso."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -852,8 +851,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid não suporta todos os métodos de requisição para todos os protocolos de "
-"acesso. Por exemplo, você não pode emitir uma requisição POST ao protocolo "
-"Gopher."
+"acesso."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: pt.po
change_type: ModificationType.MODIFY
diff: @@ -840,8 +840,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid não suporta todos os métodos para todos os protocolos. Por exemplo: "
-"você não pode fazer cache de Gopher."
+"Squid não suporta todos os métodos para todos os protocolos."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -849,8 +848,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid não suporta todos os métodos para todos os protocolos. Por exemplo: "
-"você não pode fazer cache de Gopher."
+"Squid não suporta todos os métodos para todos os protocolos."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: ro.po
change_type: ModificationType.MODIFY
diff: @@ -848,7 +848,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Squid nu suportă toate metodele de cerere pentru toate protocoalele de "
-"acces. De exemplu, nu puteţi face o cerere de tip POST pentru Gopher."
+"acces."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -857,7 +857,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid nu suportă toate metodele de cerere pentru toate protocoalele de "
-"acces. De exemplu, nu puteţi face o cerere de tip POST pentru Gopher."
+"acces."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: ru.po
change_type: ModificationType.MODIFY
diff: @@ -825,8 +825,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid не поддерживает все методы запросов для всех протоколов. К примеру, "
-"для протокола Gopher Вы не можете выполнить запрос POST."
+"Squid не поддерживает все методы запросов для всех протоколов."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -834,8 +833,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid не поддерживает все методы запросов для всех протоколов. К примеру, "
-"для протокола Gopher Вы не можете выполнить запрос POST."
+"Squid не поддерживает все методы запросов для всех протоколов."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: sk.po
change_type: ModificationType.MODIFY
diff: @@ -837,8 +837,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid nepodporuje všetky typy metód pri všetkých protokoloch. Napríklad: nie "
-"je možné použiť metódu POST pri službe Gopher."
+"Squid nepodporuje všetky typy metód pri všetkých protokoloch."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -846,8 +845,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid nepodporuje všetky typy metód pri všetkých protokoloch. Napríklad: nie "
-"je možné použiť metódu POST pri službe Gopher."
+"Squid nepodporuje všetky typy metód pri všetkých protokoloch."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: sl.po
change_type: ModificationType.MODIFY
diff: @@ -827,8 +827,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid ne podpira vseh metod zahtev za vse protokole dostopa. Tako npr. "
-"metode POST ne morete uporabiti za zahtevo Gopher."
+"Squid ne podpira vseh metod zahtev za vse protokole dostopa."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -836,8 +835,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid ne podpira vseh metod zahtev za vse protokole dostopa. Tako npr. "
-"metode POST ne morete uporabiti za zahtevo Gopher."
+"Squid ne podpira vseh metod zahtev za vse protokole dostopa."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: sr-latn.po
change_type: ModificationType.MODIFY
diff: @@ -835,7 +835,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Squid Proksi server ne podržava sve metode zahteva za sve moguæe pristupne "
-"protokole. Na primer ne možete da uradite POST na Gopher zahtev."
+"protokole."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -844,7 +844,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid Proksi server ne podržava sve metode zahteva za sve moguæe pristupne "
-"protokole. Na primer ne možete da uradite POST na Gopher zahtev."
+"protokole."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: sv.po
change_type: ModificationType.MODIFY
diff: @@ -845,8 +845,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid st&ouml;djer inte alla fr&aring;gemetoder f&ouml;r alla protokoll. "
-"Till exempel, Ni kan inte POST'a en Gopher f&ouml;rfr&aring;gan."
+"Squid st&ouml;djer inte alla fr&aring;gemetoder f&ouml;r alla protokoll."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -854,8 +853,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid st&ouml;djer inte alla fr&aring;gemetoder f&ouml;r alla protokoll. "
-"Till exempel, Ni kan inte POST'a en Gopher f&ouml;rfr&aring;gan."
+"Squid st&ouml;djer inte alla fr&aring;gemetoder f&ouml;r alla protokoll."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: ERR_UNSUP_REQ
change_type: ModificationType.MODIFY
diff: @@ -24,7 +24,7 @@ body
 <p><b>Unsupported Request Method and Protocol</b></p>
 </blockquote>
 
-<p>Squid does not support all request methods for all access protocols. For example, you can not POST a Gopher request.</p>
+<p>Squid does not support all request methods for all access protocols.</p>
 
 <p>Your cache administrator is <a href="mailto:%w%W">%w</a>.</p>
 <br>

programming_language: HTML
filename: tr.po
change_type: ModificationType.MODIFY
diff: @@ -829,8 +829,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid, bazı erişim protokollerin, bazı istek yöntemlerini desteklemiyor. "
-"Örneğin Gopher isteğinizde POST yapamazsınız."
+"Squid, bazı erişim protokollerin, bazı istek yöntemlerini desteklemiyor."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -838,8 +837,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid, bazı erişim protokollerin, bazı istek yöntemlerini desteklemiyor. "
-"Örneğin Gopher isteğinizde POST yapamazsınız."
+"Squid, bazı erişim protokollerin, bazı istek yöntemlerini desteklemiyor."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: uk.po
change_type: ModificationType.MODIFY
diff: @@ -839,8 +839,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid не підтримує всі методи запитів для всіх наявних протоколів. Як "
-"приклад, Ви не можете виконати запит POST для протоколу Gopher."
+"Squid не підтримує всі методи запитів для всіх наявних протоколів."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -848,8 +847,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid не підтримує всі методи запитів для всіх наявних протоколів. Як "
-"приклад, Ви не можете виконати запит POST для протоколу Gopher."
+"Squid не підтримує всі методи запитів для всіх наявних протоколів."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: vi.po
change_type: ModificationType.MODIFY
diff: @@ -823,7 +823,7 @@ msgid ""
 "example, you can not POST a Gopher request."
 msgstr ""
 "Squid không hỗ trợ tất cả các phương pháp yêu cầu cho mỗi giao thức truy "
-"cập. Chẳng hạn, bạn không có khả năng POST một yêu cầu Gopher."
+"cập."
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -832,7 +832,7 @@ msgid ""
 "is currently not supported."
 msgstr ""
 "Squid không hỗ trợ tất cả các phương pháp yêu cầu cho mỗi giao thức truy "
-"cập. Chẳng hạn, bạn không có khả năng POST một yêu cầu Gopher."
+"cập."
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: zh-hans.po
change_type: ModificationType.MODIFY
diff: @@ -814,8 +814,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"Squid （缓存服务器）不能对所有的存取协议支持所有的请求方式。比如说，你不能对 "
-"GOPHER 进行一个 POST 请求。"
+"Squid （缓存服务器）不能对所有的存取协议支持所有的请求方式。"
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -823,8 +822,7 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"Squid （缓存服务器）不能对所有的存取协议支持所有的请求方式。比如说，你不能对 "
-"GOPHER 进行一个 POST 请求。"
+"Squid （缓存服务器）不能对所有的存取协议支持所有的请求方式。"
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: zh-hant.po
change_type: ModificationType.MODIFY
diff: @@ -822,8 +822,7 @@ msgid ""
 "Squid does not support all request methods for all access protocols. For "
 "example, you can not POST a Gopher request."
 msgstr ""
-"因為 Squid （網路快取程式）並未支援所有的連結要求方式在各式通訊協定上。比如"
-"說，你不能要求一個 GOPHER 的 POST 連結要求。"
+"因為 Squid （網路快取程式）並未支援所有的連結要求方式在各式通訊協定上。"
 
 #: templates/ERR_PROTOCOL_UNKNOWN+html.body.div.p:27-1
 #, fuzzy
@@ -831,8 +830,8 @@ msgid ""
 "Squid does not support some access protocols. For example, the SSH protocol "
 "is currently not supported."
 msgstr ""
-"因為 Squid （網路快取程式）並未支援所有的連結要求方式在各式通訊協定上。比如"
-"說，你不能要求一個 GOPHER 的 POST 連結要求。"
+"Squid 不支持某些訪問協議。例如 SSH 協議 "
+"目前不支持。"
 
 #: templates/ERR_LIFETIME_EXP+html.body.div.p:27-1
 msgid ""

programming_language: Python
filename: FwdState.cc
change_type: ModificationType.MODIFY
diff: @@ -29,7 +29,6 @@
 #include "fde.h"
 #include "FwdState.h"
 #include "globals.h"
-#include "gopher.h"
 #include "HappyConnOpener.h"
 #include "hier_code.h"
 #include "http.h"
@@ -1284,10 +1283,6 @@ FwdState::dispatch()
             httpStart(this);
             break;
 
-        case AnyP::PROTO_GOPHER:
-            gopherStart(this);
-            break;
-
         case AnyP::PROTO_FTP:
             if (request->flags.ftpNative)
                 Ftp::StartRelay(this);

programming_language: C++
filename: HttpRequest.cc
change_type: ModificationType.MODIFY
diff: @@ -19,7 +19,6 @@
 #include "Downloader.h"
 #include "error/Detail.h"
 #include "globals.h"
-#include "gopher.h"
 #include "http.h"
 #include "http/ContentLengthInterpreter.h"
 #include "http/one/RequestParser.h"
@@ -561,11 +560,6 @@ HttpRequest::maybeCacheable()
             return false;
         break;
 
-    case AnyP::PROTO_GOPHER:
-        if (!gopherCachable(this))
-            return false;
-        break;
-
     case AnyP::PROTO_CACHE_OBJECT:
         return false;
 

programming_language: C++
filename: IoStats.h
change_type: ModificationType.MODIFY
diff: @@ -22,7 +22,7 @@ public:
         int writes;
         int write_hist[histSize];
     }
-    Http, Ftp, Gopher;
+    Http, Ftp;
 };
 
 #endif /* SQUID_IOSTATS_H_ */

programming_language: C
filename: Makefile.am
change_type: ModificationType.MODIFY
diff: @@ -369,8 +369,6 @@ squid_SOURCES = \
 	fs_io.cc \
 	fs_io.h \
 	globals.h \
-	gopher.cc \
-	gopher.h \
 	helper.cc \
 	helper.h \
 	hier_code.h \
@@ -1850,8 +1848,6 @@ tests_test_http_range_SOURCES = \
 	fqdncache.h \
 	fs_io.cc \
 	fs_io.h \
-	tests/stub_gopher.cc \
-	gopher.h \
 	helper.cc \
 	hier_code.h \
 	http.cc \
@@ -2235,8 +2231,6 @@ tests_testHttpRequest_SOURCES = \
 	fqdncache.h \
 	fs_io.cc \
 	fs_io.h \
-	tests/stub_gopher.cc \
-	gopher.h \
 	helper.cc \
 	hier_code.h \
 	http.cc \
@@ -2535,8 +2529,6 @@ tests_testCacheManager_SOURCES = \
 	fqdncache.h \
 	fs_io.cc \
 	fs_io.h \
-	tests/stub_gopher.cc \
-	gopher.h \
 	helper.cc \
 	hier_code.h \
 	http.cc \

programming_language: Shell
filename: Host.cc
change_type: ModificationType.MODIFY
diff: @@ -49,7 +49,6 @@ Adaptation::Ecap::Host::Host()
     libecap::protocolHttp.assignHostId(AnyP::PROTO_HTTP);
     libecap::protocolHttps.assignHostId(AnyP::PROTO_HTTPS);
     libecap::protocolFtp.assignHostId(AnyP::PROTO_FTP);
-    libecap::protocolGopher.assignHostId(AnyP::PROTO_GOPHER);
     libecap::protocolWais.assignHostId(AnyP::PROTO_WAIS);
     libecap::protocolUrn.assignHostId(AnyP::PROTO_URN);
     libecap::protocolWhois.assignHostId(AnyP::PROTO_WHOIS);

programming_language: C++
filename: MessageRep.cc
change_type: ModificationType.MODIFY
diff: @@ -140,8 +140,6 @@ Adaptation::Ecap::FirstLineRep::protocol() const
         return libecap::protocolHttps;
     case AnyP::PROTO_FTP:
         return libecap::protocolFtp;
-    case AnyP::PROTO_GOPHER:
-        return libecap::protocolGopher;
     case AnyP::PROTO_WAIS:
         return libecap::protocolWais;
     case AnyP::PROTO_WHOIS:

programming_language: C++
filename: ProtocolType.h
change_type: ModificationType.MODIFY
diff: @@ -27,7 +27,6 @@ typedef enum {
     PROTO_HTTPS,
     PROTO_COAP,
     PROTO_COAPS,
-    PROTO_GOPHER,
     PROTO_WAIS,
     PROTO_CACHE_OBJECT,
     PROTO_ICP,

programming_language: C++
filename: Uri.cc
change_type: ModificationType.MODIFY
diff: @@ -869,7 +869,6 @@ urlCheckRequest(const HttpRequest * r)
             return true;
         return false;
 
-    case AnyP::PROTO_GOPHER:
     case AnyP::PROTO_WAIS:
     case AnyP::PROTO_WHOIS:
         if (r->method == Http::METHOD_GET ||

programming_language: C++
filename: UriScheme.cc
change_type: ModificationType.MODIFY
diff: @@ -87,9 +87,6 @@ AnyP::UriScheme::defaultPort() const
         // Assuming IANA policy of allocating same port for base and TLS protocol versions will occur.
         return 5683;
 
-    case AnyP::PROTO_GOPHER:
-        return 70;
-
     case AnyP::PROTO_WAIS:
         return 210;
 

programming_language: C++
filename: cf.data.pre
change_type: ModificationType.MODIFY
diff: @@ -4862,7 +4862,7 @@ DOC_START
 		[http::]<bs	Number of HTTP-equivalent message body bytes
 				received from the next hop, excluding chunked
 				transfer encoding and control messages.
-				Generated FTP/Gopher listings are treated as
+				Generated FTP listings are treated as
 				received bodies.
 
 	    TIMING
@@ -6476,7 +6476,6 @@ CONFIG_START
 # Add any of your own refresh_pattern entries above these.
 #
 refresh_pattern ^ftp:		1440	20%	10080
-refresh_pattern ^gopher:	1440	0%	1440
 refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
 refresh_pattern .		0	20%	4320
 CONFIG_END
@@ -9215,7 +9214,7 @@ DOC_START
 	client IP can use. Any more than this and Squid will begin to drop
 	new connections from the client until it closes some links.
 
-	Note that this is a global limit. It affects all HTTP, HTCP, Gopher and FTP
+	Note that this is a global limit. It affects all HTTP, HTCP, and FTP
 	connections from the client. For finer control use the ACL access controls.
 
 	Requires client_db to be enabled (the default).

programming_language: Markdown
filename: client_side_request.cc
change_type: ModificationType.MODIFY
diff: @@ -34,7 +34,6 @@
 #include "fde.h"
 #include "format/Token.h"
 #include "FwdState.h"
-#include "gopher.h"
 #include "helper.h"
 #include "helper/Reply.h"
 #include "http.h"
@@ -907,9 +906,6 @@ clientHierarchical(ClientHttpRequest * http)
     if (request->url.getScheme() == AnyP::PROTO_HTTP)
         return method.respMaybeCacheable();
 
-    if (request->url.getScheme() == AnyP::PROTO_GOPHER)
-        return gopherCachable(request);
-
     if (request->url.getScheme() == AnyP::PROTO_CACHE_OBJECT)
         return 0;
 

programming_language: C++
filename: forward.h
change_type: ModificationType.MODIFY
diff: @@ -67,7 +67,7 @@ typedef enum {
     ERR_GATEWAY_FAILURE,
 
     /* Special Cases */
-    ERR_DIR_LISTING,            /* Display of remote directory (FTP, Gopher) */
+    ERR_DIR_LISTING,            /* Display of remote directory (FTP) */
     ERR_SQUID_SIGNATURE,        /* not really an error */
     ERR_SHUTTING_DOWN,
     ERR_PROTOCOL_UNKNOWN,

programming_language: C
filename: gopher.cc
change_type: ModificationType.DELETE
diff: @@ -1,993 +0,0 @@
-/*
- * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
- *
- * Squid software is distributed under GPLv2+ license and includes
- * contributions from numerous individuals and organizations.
- * Please see the COPYING and CONTRIBUTORS files for details.
- */
-
-/* DEBUG: section 10    Gopher */
-
-#include "squid.h"
-#include "base/AsyncCbdataCalls.h"
-#include "comm.h"
-#include "comm/Read.h"
-#include "comm/Write.h"
-#include "errorpage.h"
-#include "fd.h"
-#include "FwdState.h"
-#include "globals.h"
-#include "gopher.h"
-#include "html_quote.h"
-#include "HttpReply.h"
-#include "HttpRequest.h"
-#include "MemBuf.h"
-#include "mime.h"
-#include "parser/Tokenizer.h"
-#include "rfc1738.h"
-#include "SquidConfig.h"
-#include "StatCounters.h"
-#include "Store.h"
-#include "tools.h"
-
-#if USE_DELAY_POOLS
-#include "DelayPools.h"
-#include "MemObject.h"
-#endif
-
-// RFC 1436 section 3.8 gopher item-type codes
-#define GOPHER_FILE         '0'
-#define GOPHER_DIRECTORY    '1'
-#define GOPHER_CSO          '2'
-#define GOPHER_ERROR        '3'
-#define GOPHER_MACBINHEX    '4'
-#define GOPHER_DOSBIN       '5'
-#define GOPHER_UUENCODED    '6'
-#define GOPHER_INDEX        '7'
-#define GOPHER_TELNET       '8'
-#define GOPHER_BIN          '9'
-#define GOPHER_REDUNT       '+'
-#define GOPHER_3270         'T'
-#define GOPHER_GIF          'g'
-#define GOPHER_IMAGE        'I'
-
-// Gopher+ section 2.9 extension types
-// https://github.com/jgoerzen/pygopherd/blob/master/doc/standards/Gopher%2B.txt
-#define GOPHER_PLUS_IMAGE   ':'
-#define GOPHER_PLUS_MOVIE   ';'
-#define GOPHER_PLUS_SOUND   '<'
-
-// non-standard item-type codes
-#define GOPHER_HTML         'h'
-#define GOPHER_INFO         'i'
-#define GOPHER_WWW          'w'
-#define GOPHER_SOUND        's'
-
-#define GOPHER_PORT         70
-
-#define TAB                 '\t'
-
-// TODO CODE: should this be a protocol-specific thing?
-#define TEMP_BUF_SIZE       4096
-
-#define MAX_CSO_RESULT      1024
-
-/**
- * Gopher Gateway Internals
- *
- * Gopher is somewhat complex and gross because it must convert from
- * the Gopher protocol to HTTP.
- */
-class GopherStateData
-{
-    CBDATA_CLASS(GopherStateData);
-
-public:
-    GopherStateData(FwdState *aFwd) :
-        entry(aFwd->entry),
-        conversion(NORMAL),
-        HTML_header_added(0),
-        HTML_pre(0),
-        type_id(GOPHER_FILE /* '0' */),
-        overflowed(false),
-        cso_recno(0),
-        len(0),
-        buf(nullptr),
-        fwd(aFwd)
-    {
-        *request = 0;
-        buf = (char *)memAllocate(MEM_4K_BUF);
-        entry->lock("gopherState");
-        *replybuf = 0;
-    }
-
-    ~GopherStateData();
-
-    /// queues or defers a read call
-    static void DelayAwareRead(GopherStateData *);
-
-    /// URL for icon to display (or nil), given the Gopher item-type code.
-    /// The returned c-string is invalidated by the next call to this function.
-    const char *iconUrl(char);
-
-public:
-    StoreEntry *entry;
-    enum {
-        NORMAL,
-        HTML_DIR,
-        HTML_INDEX_RESULT,
-        HTML_CSO_RESULT,
-        HTML_INDEX_PAGE,
-        HTML_CSO_PAGE
-    } conversion;
-    int HTML_header_added;
-    int HTML_pre;
-    char type_id;
-    char request[MAX_URL];
-
-    /// some received bytes ignored due to internal buffer capacity limits
-    bool overflowed;
-
-    int cso_recno;
-
-    /// the number of not-yet-parsed Gopher line bytes in this->buf
-    int len;
-
-    char *buf;          /* pts to a 4k page */
-    Comm::ConnectionPointer serverConn;
-    FwdState::Pointer fwd;
-    HttpReply::Pointer reply_;
-    char replybuf[BUFSIZ];
-};
-
-CBDATA_CLASS_INIT(GopherStateData);
-
-static CLCB gopherStateFree;
-static void gopherMimeCreate(GopherStateData *);
-static void gopher_request_parse(const HttpRequest * req,
-                                 char *type_id,
-                                 char *request);
-static void gopherEndHTML(GopherStateData *);
-static void gopherToHTML(GopherStateData *, char *inbuf, int len);
-static CTCB gopherTimeout;
-static IOCB gopherReadReply;
-static IOCB gopherSendComplete;
-static PF gopherSendRequest;
-
-static char def_gopher_bin[] = "www/unknown";
-
-static char def_gopher_text[] = "text/plain";
-
-static void
-gopherStateFree(const CommCloseCbParams &params)
-{
-    GopherStateData *gopherState = (GopherStateData *)params.data;
-    // Assume that FwdState is monitoring and calls noteClosure(). See XXX about
-    // Connection sharing with FwdState in gopherStart().
-    delete gopherState;
-}
-
-GopherStateData::~GopherStateData()
-{
-    if (entry)
-        entry->unlock("gopherState");
-
-    if (buf)
-        memFree(buf, MEM_4K_BUF);
-}
-
-const char *
-GopherStateData::iconUrl(const char gtype)
-{
-    switch (gtype) {
-
-    case GOPHER_DIRECTORY:
-        return mimeGetIconURL("internal-menu");
-
-    case GOPHER_HTML:
-    case GOPHER_FILE:
-        return mimeGetIconURL("internal-text");
-
-    case GOPHER_INDEX:
-    case GOPHER_CSO:
-        return mimeGetIconURL("internal-index");
-
-    case GOPHER_IMAGE:
-    case GOPHER_GIF:
-    case GOPHER_PLUS_IMAGE:
-        return mimeGetIconURL("internal-image");
-
-    case GOPHER_SOUND:
-    case GOPHER_PLUS_SOUND:
-        return mimeGetIconURL("internal-sound");
-
-    case GOPHER_PLUS_MOVIE:
-        return mimeGetIconURL("internal-movie");
-
-    case GOPHER_TELNET:
-    case GOPHER_3270:
-        return mimeGetIconURL("internal-telnet");
-
-    case GOPHER_BIN:
-
-    case GOPHER_MACBINHEX:
-    case GOPHER_DOSBIN:
-    case GOPHER_UUENCODED:
-        return mimeGetIconURL("internal-binary");
-
-    case GOPHER_INFO:
-        return nullptr;
-
-    case GOPHER_WWW:
-        return mimeGetIconURL("internal-link");
-
-    default:
-        return mimeGetIconURL("internal-unknown");
-    }
-}
-
-/**
- * Create MIME Header for Gopher Data
- */
-static void
-gopherMimeCreate(GopherStateData * gopherState)
-{
-    StoreEntry *entry = gopherState->entry;
-    const char *mime_type = nullptr;
-    const char *mime_enc = nullptr;
-
-    switch (gopherState->type_id) {
-
-    case GOPHER_DIRECTORY:
-
-    case GOPHER_INDEX:
-
-    case GOPHER_HTML:
-
-    case GOPHER_WWW:
-
-    case GOPHER_CSO:
-        mime_type = "text/html";
-        break;
-
-    case GOPHER_GIF:
-
-    case GOPHER_IMAGE:
-
-    case GOPHER_PLUS_IMAGE:
-        mime_type = "image/gif";
-        break;
-
-    case GOPHER_SOUND:
-
-    case GOPHER_PLUS_SOUND:
-        mime_type = "audio/basic";
-        break;
-
-    case GOPHER_PLUS_MOVIE:
-        mime_type = "video/mpeg";
-        break;
-
-    case GOPHER_MACBINHEX:
-
-    case GOPHER_DOSBIN:
-
-    case GOPHER_UUENCODED:
-
-    case GOPHER_BIN:
-        /* Rightnow We have no idea what it is. */
-        mime_enc = mimeGetContentEncoding(gopherState->request);
-        mime_type = mimeGetContentType(gopherState->request);
-        if (!mime_type)
-            mime_type = def_gopher_bin;
-        break;
-
-    case GOPHER_FILE:
-
-    default:
-        mime_enc = mimeGetContentEncoding(gopherState->request);
-        mime_type = mimeGetContentType(gopherState->request);
-        if (!mime_type)
-            mime_type = def_gopher_text;
-        break;
-    }
-
-    assert(entry->isEmpty());
-
-    HttpReply *reply = new HttpReply;
-    entry->buffer();
-    reply->setHeaders(Http::scOkay, "Gatewaying", mime_type, -1, -1, -2);
-    if (mime_enc)
-        reply->header.putStr(Http::HdrType::CONTENT_ENCODING, mime_enc);
-
-    entry->replaceHttpReply(reply);
-    gopherState->reply_ = reply;
-}
-
-/**
- * Parse a gopher request into components.  By Anawat.
- */
-static void
-gopher_request_parse(const HttpRequest * req, char *type_id, char *request)
-{
-    ::Parser::Tokenizer tok(req->url.path());
-
-    if (request)
-        *request = 0;
-
-    tok.skip('/'); // ignore failures? path could be ab-empty
-
-    if (tok.atEnd()) {
-        *type_id = GOPHER_DIRECTORY;
-        return;
-    }
-
-    static const CharacterSet anyByte("UTF-8",0x00, 0xFF);
-
-    SBuf typeId;
-    (void)tok.prefix(typeId, anyByte, 1); // never fails since !atEnd()
-    *type_id = typeId[0];
-
-    if (request) {
-        SBufToCstring(request, tok.remaining().substr(0, MAX_URL-1));
-        /* convert %xx to char */
-        rfc1738_unescape(request);
-    }
-}
-
-/**
- * Parse the request to determine whether it is cachable.
- *
- * \param req   Request data.
- * \retval 0    Not cachable.
- * \retval 1    Cachable.
- */
-int
-gopherCachable(const HttpRequest * req)
-{
-    int cachable = 1;
-    char type_id;
-    /* parse to see type */
-    gopher_request_parse(req,
-                         &type_id,
-                         nullptr);
-
-    switch (type_id) {
-
-    case GOPHER_INDEX:
-
-    case GOPHER_CSO:
-
-    case GOPHER_TELNET:
-
-    case GOPHER_3270:
-        cachable = 0;
-        break;
-
-    default:
-        cachable = 1;
-    }
-
-    return cachable;
-}
-
-static void
-gopherHTMLHeader(StoreEntry * e, const char *title, const char *substring)
-{
-    storeAppendPrintf(e, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n");
-    storeAppendPrintf(e, "<HTML><HEAD><TITLE>");
-    storeAppendPrintf(e, title, substring);
-    storeAppendPrintf(e, "</TITLE>");
-    storeAppendPrintf(e, "<STYLE type=\"text/css\"><!--BODY{background-color:#ffffff;font-family:verdana,sans-serif}--></STYLE>\n");
-    storeAppendPrintf(e, "</HEAD>\n<BODY><H1>");
-    storeAppendPrintf(e, title, substring);
-    storeAppendPrintf(e, "</H1>\n");
-}
-
-static void
-gopherHTMLFooter(StoreEntry * e)
-{
-    storeAppendPrintf(e, "<HR noshade size=\"1px\">\n");
-    storeAppendPrintf(e, "<ADDRESS>\n");
-    storeAppendPrintf(e, "Generated %s by %s (%s)\n",
-                      Time::FormatRfc1123(squid_curtime),
-                      getMyHostname(),
-                      visible_appname_string);
-    storeAppendPrintf(e, "</ADDRESS></BODY></HTML>\n");
-}
-
-static void
-gopherEndHTML(GopherStateData * gopherState)
-{
-    StoreEntry *e = gopherState->entry;
-
-    if (!gopherState->HTML_header_added) {
-        gopherHTMLHeader(e, "Server Return Nothing", nullptr);
-        storeAppendPrintf(e, "<P>The Gopher query resulted in a blank response</P>");
-    } else if (gopherState->HTML_pre) {
-        storeAppendPrintf(e, "</PRE>\n");
-    }
-
-    gopherHTMLFooter(e);
-}
-
-/**
- * Convert Gopher to HTML.
- *
- * Borrow part of code from libwww2 came with Mosaic distribution.
- */
-static void
-gopherToHTML(GopherStateData * gopherState, char *inbuf, int len)
-{
-    char *pos = inbuf;
-    char *lpos = nullptr;
-    char *tline = nullptr;
-    LOCAL_ARRAY(char, line, TEMP_BUF_SIZE);
-    char *name = nullptr;
-    char *selector = nullptr;
-    char *host = nullptr;
-    char *port = nullptr;
-    char *escaped_selector = nullptr;
-    char gtype;
-    StoreEntry *entry = nullptr;
-
-    memset(line, '\0', TEMP_BUF_SIZE);
-
-    entry = gopherState->entry;
-
-    if (gopherState->conversion == GopherStateData::HTML_INDEX_PAGE) {
-        char *html_url = html_quote(entry->url());
-        gopherHTMLHeader(entry, "Gopher Index %s", html_url);
-        storeAppendPrintf(entry,
-                          "<p>This is a searchable Gopher index. Use the search\n"
-                          "function of your browser to enter search terms.\n"
-                          "<ISINDEX>\n");
-        gopherHTMLFooter(entry);
-        /* now let start sending stuff to client */
-        entry->flush();
-        gopherState->HTML_header_added = 1;
-
-        return;
-    }
-
-    if (gopherState->conversion == GopherStateData::HTML_CSO_PAGE) {
-        char *html_url = html_quote(entry->url());
-        gopherHTMLHeader(entry, "CSO Search of %s", html_url);
-        storeAppendPrintf(entry,
-                          "<P>A CSO database usually contains a phonebook or\n"
-                          "directory.  Use the search function of your browser to enter\n"
-                          "search terms.</P><ISINDEX>\n");
-        gopherHTMLFooter(entry);
-        /* now let start sending stuff to client */
-        entry->flush();
-        gopherState->HTML_header_added = 1;
-
-        return;
-    }
-
-    SBuf outbuf;
-
-    if (!gopherState->HTML_header_added) {
-        if (gopherState->conversion == GopherStateData::HTML_CSO_RESULT)
-            gopherHTMLHeader(entry, "CSO Search Result", nullptr);
-        else
-            gopherHTMLHeader(entry, "Gopher Menu", nullptr);
-
-        outbuf.append ("<PRE>");
-
-        gopherState->HTML_header_added = 1;
-
-        gopherState->HTML_pre = 1;
-    }
-
-    while (pos < inbuf + len) {
-        int llen;
-        int left = len - (pos - inbuf);
-        lpos = (char *)memchr(pos, '\n', left);
-        if (lpos) {
-            ++lpos;             /* Next line is after \n */
-            llen = lpos - pos;
-        } else {
-            llen = left;
-        }
-        if (gopherState->len + llen >= TEMP_BUF_SIZE) {
-            debugs(10, DBG_IMPORTANT, "GopherHTML: Buffer overflow. Lost some data on URL: " << entry->url()  );
-            llen = TEMP_BUF_SIZE - gopherState->len - 1;
-            gopherState->overflowed = true; // may already be true
-        }
-        if (!lpos) {
-            /* there is no complete line in inbuf */
-            /* copy it to temp buffer */
-            /* note: llen is adjusted above */
-            memcpy(gopherState->buf + gopherState->len, pos, llen);
-            gopherState->len += llen;
-            break;
-        }
-        if (gopherState->len != 0) {
-            /* there is something left from last tx. */
-            memcpy(line, gopherState->buf, gopherState->len);
-            memcpy(line + gopherState->len, pos, llen);
-            llen += gopherState->len;
-            gopherState->len = 0;
-        } else {
-            memcpy(line, pos, llen);
-        }
-        line[llen + 1] = '\0';
-        /* move input to next line */
-        pos = lpos;
-
-        /* at this point. We should have one line in buffer to process */
-
-        if (*line == '.') {
-            /* skip it */
-            memset(line, '\0', TEMP_BUF_SIZE);
-            continue;
-        }
-
-        switch (gopherState->conversion) {
-
-        case GopherStateData::HTML_INDEX_RESULT:
-
-        case GopherStateData::HTML_DIR: {
-            tline = line;
-            gtype = *tline;
-            ++tline;
-            name = tline;
-            selector = strchr(tline, TAB);
-
-            if (selector) {
-                *selector = '\0';
-                ++selector;
-                host = strchr(selector, TAB);
-
-                if (host) {
-                    *host = '\0';
-                    ++host;
-                    port = strchr(host, TAB);
-
-                    if (port) {
-                        char *junk;
-                        port[0] = ':';
-                        junk = strchr(host, TAB);
-
-                        if (junk)
-                            *junk++ = 0;    /* Chop port */
-                        else {
-                            junk = strchr(host, '\r');
-
-                            if (junk)
-                                *junk++ = 0;    /* Chop port */
-                            else {
-                                junk = strchr(host, '\n');
-
-                                if (junk)
-                                    *junk++ = 0;    /* Chop port */
-                            }
-                        }
-
-                        if ((port[1] == '0') && (!port[2]))
-                            port[0] = 0;    /* 0 means none */
-                    }
-
-                    /* escape a selector here */
-                    escaped_selector = xstrdup(rfc1738_escape_part(selector));
-
-                    const auto icon_url = gopherState->iconUrl(gtype);
-
-                    if ((gtype == GOPHER_TELNET) || (gtype == GOPHER_3270)) {
-                        if (strlen(escaped_selector) != 0)
-                            outbuf.appendf("<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s@%s%s%s/\">%s</A>\n",
-                                           icon_url, escaped_selector, rfc1738_escape_part(host),
-                                           *port ? ":" : "", port, html_quote(name));
-                        else
-                            outbuf.appendf("<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s%s%s/\">%s</A>\n",
-                                           icon_url, rfc1738_escape_part(host), *port ? ":" : "",
-                                           port, html_quote(name));
-
-                    } else if (gtype == GOPHER_INFO) {
-                        outbuf.appendf("\t%s\n", html_quote(name));
-                    } else {
-                        if (strncmp(selector, "GET /", 5) == 0) {
-                            /* WWW link */
-                            outbuf.appendf("<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"http://%s/%s\">%s</A>\n",
-                                           icon_url, host, rfc1738_escape_unescaped(selector + 5), html_quote(name));
-                        } else if (gtype == GOPHER_WWW) {
-                            outbuf.appendf("<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n",
-                                           icon_url, rfc1738_escape_unescaped(selector), html_quote(name));
-                        } else {
-                            /* Standard link */
-                            outbuf.appendf("<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n",
-                                           icon_url, host, gtype, escaped_selector, html_quote(name));
-                        }
-                    }
-
-                    safe_free(escaped_selector);
-                } else {
-                    memset(line, '\0', TEMP_BUF_SIZE);
-                    continue;
-                }
-            } else {
-                memset(line, '\0', TEMP_BUF_SIZE);
-                continue;
-            }
-
-            break;
-            }           /* HTML_DIR, HTML_INDEX_RESULT */
-
-        case GopherStateData::HTML_CSO_RESULT: {
-            if (line[0] == '-') {
-                int code, recno;
-                char *s_code, *s_recno, *result;
-
-                s_code = strtok(line + 1, ":\n");
-                s_recno = strtok(nullptr, ":\n");
-                result = strtok(nullptr, "\n");
-
-                if (!result)
-                    break;
-
-                code = atoi(s_code);
-
-                recno = atoi(s_recno);
-
-                if (code != 200)
-                    break;
-
-                if (gopherState->cso_recno != recno) {
-                    outbuf.appendf("</PRE><HR noshade size=\"1px\"><H2>Record# %d<br><i>%s</i></H2>\n<PRE>", recno, html_quote(result));
-                    gopherState->cso_recno = recno;
-                } else {
-                    outbuf.appendf("%s\n", html_quote(result));
-                }
-
-                break;
-            } else {
-                int code;
-                char *s_code, *result;
-
-                s_code = strtok(line, ":");
-                result = strtok(nullptr, "\n");
-
-                if (!result)
-                    break;
-
-                code = atoi(s_code);
-
-                switch (code) {
-
-                case 200: {
-                    /* OK */
-                    /* Do nothing here */
-                    break;
-                }
-
-                case 102:   /* Number of matches */
-
-                case 501:   /* No Match */
-
-                case 502: { /* Too Many Matches */
-                    /* Print the message the server returns */
-                    outbuf.appendf("</PRE><HR noshade size=\"1px\"><H2>%s</H2>\n<PRE>", html_quote(result));
-                    break;
-                }
-
-                }
-            }
-
-            break;
-            }           /* HTML_CSO_RESULT */
-        default:
-            break;      /* do nothing */
-
-        }           /* switch */
-
-    }               /* while loop */
-
-    if (outbuf.length() > 0) {
-        entry->append(outbuf.rawContent(), outbuf.length());
-        /* now let start sending stuff to client */
-        entry->flush();
-    }
-
-    return;
-}
-
-static void
-gopherTimeout(const CommTimeoutCbParams &io)
-{
-    GopherStateData *gopherState = static_cast<GopherStateData *>(io.data);
-    debugs(10, 4, io.conn << ": '" << gopherState->entry->url() << "'" );
-
-    gopherState->fwd->fail(new ErrorState(ERR_READ_TIMEOUT, Http::scGatewayTimeout, gopherState->fwd->request, gopherState->fwd->al));
-
-    if (Comm::IsConnOpen(io.conn))
-        io.conn->close();
-}
-
-/**
- * This will be called when data is ready to be read from fd.
- * Read until error or connection closed.
- */
-static void
-gopherReadReply(const Comm::ConnectionPointer &conn, char *buf, size_t len, Comm::Flag flag, int xerrno, void *data)
-{
-    GopherStateData *gopherState = (GopherStateData *)data;
-    StoreEntry *entry = gopherState->entry;
-    int clen;
-    int bin;
-    size_t read_sz = BUFSIZ;
-#if USE_DELAY_POOLS
-    DelayId delayId = entry->mem_obj->mostBytesAllowed();
-#endif
-
-    /* Bail out early on Comm::ERR_CLOSING - close handlers will tidy up for us */
-
-    if (flag == Comm::ERR_CLOSING) {
-        return;
-    }
-
-    assert(buf == gopherState->replybuf);
-
-    // XXX: Should update delayId, statCounter, etc. before bailing
-    if (!entry->isAccepting()) {
-        debugs(10, 3, "terminating due to bad " << *entry);
-        // TODO: Do not abuse connection for triggering cleanup.
-        gopherState->serverConn->close();
-        return;
-    }
-
-#if USE_DELAY_POOLS
-    read_sz = delayId.bytesWanted(1, read_sz);
-#endif
-
-    /* leave one space for \0 in gopherToHTML */
-
-    if (flag == Comm::OK && len > 0) {
-#if USE_DELAY_POOLS
-        delayId.bytesIn(len);
-#endif
-
-        statCounter.server.all.kbytes_in += len;
-        statCounter.server.other.kbytes_in += len;
-    }
-
-    debugs(10, 5, conn << " read len=" << len);
-
-    if (flag == Comm::OK && len > 0) {
-        AsyncCall::Pointer nil;
-        commSetConnTimeout(conn, Config.Timeout.read, nil);
-        ++IOStats.Gopher.reads;
-
-        for (clen = len - 1, bin = 0; clen; ++bin)
-            clen >>= 1;
-
-        ++IOStats.Gopher.read_hist[bin];
-
-        HttpRequest *req = gopherState->fwd->request;
-        if (req->hier.bodyBytesRead < 0) {
-            req->hier.bodyBytesRead = 0;
-            // first bytes read, update Reply flags:
-            gopherState->reply_->sources |= Http::Message::srcGopher;
-        }
-
-        req->hier.bodyBytesRead += len;
-    }
-
-    if (flag != Comm::OK) {
-        debugs(50, DBG_IMPORTANT, "ERROR: " << MYNAME << "reading: " << xstrerr(xerrno));
-
-        if (ignoreErrno(xerrno)) {
-            AsyncCall::Pointer call = commCbCall(5,4, "gopherReadReply",
-                                                 CommIoCbPtrFun(gopherReadReply, gopherState));
-            comm_read(conn, buf, read_sz, call);
-        } else {
-            const auto err = new ErrorState(ERR_READ_ERROR, Http::scInternalServerError, gopherState->fwd->request, gopherState->fwd->al);
-            err->xerrno = xerrno;
-            gopherState->fwd->fail(err);
-            gopherState->serverConn->close();
-        }
-    } else if (len == 0 && entry->isEmpty()) {
-        gopherState->fwd->fail(new ErrorState(ERR_ZERO_SIZE_OBJECT, Http::scServiceUnavailable, gopherState->fwd->request, gopherState->fwd->al));
-        gopherState->serverConn->close();
-    } else if (len == 0) {
-        /* Connection closed; retrieval done. */
-        /* flush the rest of data in temp buf if there is one. */
-
-        if (gopherState->conversion != GopherStateData::NORMAL)
-            gopherEndHTML(gopherState);
-
-        entry->timestampsSet();
-        entry->flush();
-
-        if (!gopherState->len && !gopherState->overflowed)
-            gopherState->fwd->markStoredReplyAsWhole("gopher EOF after receiving/storing some bytes");
-
-        gopherState->fwd->complete();
-        gopherState->serverConn->close();
-    } else {
-        if (gopherState->conversion != GopherStateData::NORMAL) {
-            gopherToHTML(gopherState, buf, len);
-        } else {
-            entry->append(buf, len);
-        }
-        GopherStateData::DelayAwareRead(gopherState);
-    }
-}
-
-void
-GopherStateData::DelayAwareRead(GopherStateData *gopherState)
-{
-    const auto &conn = gopherState->serverConn;
-
-    if (!Comm::IsConnOpen(conn) || fd_table[conn->fd].closing()) {
-        debugs(10, 3, "will not read from " << conn);
-        return;
-    }
-
-    const auto amountToRead = gopherState->entry->bytesWanted(Range<size_t>(0, BUFSIZ));
-
-    if (amountToRead <= 0) {
-        AsyncCall::Pointer delayCall = asyncCall(10, 3, "GopherStateData::DelayAwareRead",
-                                       cbdataDialer(&GopherStateData::DelayAwareRead, gopherState));
-        gopherState->entry->mem().delayRead(delayCall);
-        return;
-    }
-
-    AsyncCall::Pointer readCall = commCbCall(5, 5, "gopherReadReply", CommIoCbPtrFun(gopherReadReply, gopherState));
-    comm_read(conn, gopherState->replybuf, amountToRead, readCall);
-}
-
-/**
- * This will be called when request write is complete. Schedule read of reply.
- */
-static void
-gopherSendComplete(const Comm::ConnectionPointer &conn, char *, size_t size, Comm::Flag errflag, int xerrno, void *data)
-{
-    GopherStateData *gopherState = (GopherStateData *) data;
-    StoreEntry *entry = gopherState->entry;
-    debugs(10, 5, conn << " size: " << size << " errflag: " << errflag);
-
-    if (size > 0) {
-        fd_bytes(conn->fd, size, FD_WRITE);
-        statCounter.server.all.kbytes_out += size;
-        statCounter.server.other.kbytes_out += size;
-    }
-
-    if (!entry->isAccepting()) {
-        debugs(10, 3, "terminating due to bad " << *entry);
-        // TODO: Do not abuse connection for triggering cleanup.
-        gopherState->serverConn->close();
-        return;
-    }
-
-    if (errflag) {
-        const auto err = new ErrorState(ERR_WRITE_ERROR, Http::scServiceUnavailable, gopherState->fwd->request, gopherState->fwd->al);
-        err->xerrno = xerrno;
-        err->port = gopherState->fwd->request->url.port();
-        err->url = xstrdup(entry->url());
-        gopherState->fwd->fail(err);
-        gopherState->serverConn->close();
-        return;
-    }
-
-    /*
-     * OK. We successfully reach remote site.  Start MIME typing
-     * stuff.  Do it anyway even though request is not HTML type.
-     */
-    entry->buffer();
-
-    gopherMimeCreate(gopherState);
-
-    switch (gopherState->type_id) {
-
-    case GOPHER_DIRECTORY:
-        /* we got to convert it first */
-        gopherState->conversion = GopherStateData::HTML_DIR;
-        gopherState->HTML_header_added = 0;
-        break;
-
-    case GOPHER_INDEX:
-        /* we got to convert it first */
-        gopherState->conversion = GopherStateData::HTML_INDEX_RESULT;
-        gopherState->HTML_header_added = 0;
-        break;
-
-    case GOPHER_CSO:
-        /* we got to convert it first */
-        gopherState->conversion = GopherStateData::HTML_CSO_RESULT;
-        gopherState->cso_recno = 0;
-        gopherState->HTML_header_added = 0;
-        break;
-
-    default:
-        gopherState->conversion = GopherStateData::NORMAL;
-        entry->flush();
-    }
-
-    GopherStateData::DelayAwareRead(gopherState);
-}
-
-/**
- * This will be called when connect completes. Write request.
- */
-static void
-gopherSendRequest(int, void *data)
-{
-    GopherStateData *gopherState = (GopherStateData *)data;
-    MemBuf mb;
-    mb.init();
-
-    if (gopherState->type_id == GOPHER_CSO) {
-        const char *t = strchr(gopherState->request, '?');
-
-        if (t)
-            ++t;        /* skip the ? */
-        else
-            t = "";
-
-        mb.appendf("query %s\r\nquit", t);
-    } else {
-        if (gopherState->type_id == GOPHER_INDEX) {
-            if (char *t = strchr(gopherState->request, '?'))
-                *t = '\t';
-        }
-        mb.append(gopherState->request, strlen(gopherState->request));
-    }
-    mb.append("\r\n", 2);
-
-    debugs(10, 5, gopherState->serverConn);
-    AsyncCall::Pointer call = commCbCall(5,5, "gopherSendComplete",
-                                         CommIoCbPtrFun(gopherSendComplete, gopherState));
-    Comm::Write(gopherState->serverConn, &mb, call);
-
-    if (!gopherState->entry->makePublic())
-        gopherState->entry->makePrivate(true);
-}
-
-void
-gopherStart(FwdState * fwd)
-{
-    GopherStateData *gopherState = new GopherStateData(fwd);
-
-    debugs(10, 3, gopherState->entry->url());
-
-    ++ statCounter.server.all.requests;
-
-    ++ statCounter.server.other.requests;
-
-    /* Parse url. */
-    gopher_request_parse(fwd->request,
-                         &gopherState->type_id, gopherState->request);
-
-    comm_add_close_handler(fwd->serverConnection()->fd, gopherStateFree, gopherState);
-
-    if (((gopherState->type_id == GOPHER_INDEX) || (gopherState->type_id == GOPHER_CSO))
-            && (strchr(gopherState->request, '?') == nullptr)) {
-        /* Index URL without query word */
-        /* We have to generate search page back to client. No need for connection */
-        gopherMimeCreate(gopherState);
-
-        if (gopherState->type_id == GOPHER_INDEX) {
-            gopherState->conversion = GopherStateData::HTML_INDEX_PAGE;
-        } else {
-            if (gopherState->type_id == GOPHER_CSO) {
-                gopherState->conversion = GopherStateData::HTML_CSO_PAGE;
-            } else {
-                gopherState->conversion = GopherStateData::HTML_INDEX_PAGE;
-            }
-        }
-
-        gopherToHTML(gopherState, (char *) nullptr, 0);
-        fwd->markStoredReplyAsWhole("gopher instant internal request satisfaction");
-        fwd->complete();
-        return;
-    }
-
-    // XXX: Sharing open Connection with FwdState that has its own handlers/etc.
-    gopherState->serverConn = fwd->serverConnection();
-    gopherSendRequest(fwd->serverConnection()->fd, gopherState);
-    AsyncCall::Pointer timeoutCall = commCbCall(5, 4, "gopherTimeout",
-                                     CommTimeoutCbPtrFun(gopherTimeout, gopherState));
-    commSetConnTimeout(fwd->serverConnection(), Config.Timeout.read, timeoutCall);
-}
-

programming_language: unknown
filename: gopher.h
change_type: ModificationType.DELETE
diff: @@ -1,29 +0,0 @@
-/*
- * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
- *
- * Squid software is distributed under GPLv2+ license and includes
- * contributions from numerous individuals and organizations.
- * Please see the COPYING and CONTRIBUTORS files for details.
- */
-
-/* DEBUG: section 10    Gopher */
-
-#ifndef SQUID_GOPHER_H_
-#define SQUID_GOPHER_H_
-
-class FwdState;
-class HttpRequest;
-
-/**
- \defgroup ServerProtocolGopherAPI Server-Side Gopher API
- \ingroup ServerProtocol
- */
-
-/// \ingroup ServerProtocolGopherAPI
-void gopherStart(FwdState *);
-
-/// \ingroup ServerProtocolGopherAPI
-int gopherCachable(const HttpRequest *);
-
-#endif /* SQUID_GOPHER_H_ */
-

programming_language: unknown
filename: Message.h
change_type: ModificationType.MODIFY
diff: @@ -40,7 +40,6 @@ public:
         srcFtp = 1 << (16 + 1), ///< ftp_port or FTP server
         srcIcap = 1 << (16 + 2), ///< traditional ICAP service without encryption
         srcEcap = 1 << (16 + 3), ///< eCAP service that uses insecure libraries/daemons
-        srcGopher = 1 << (16 + 14), ///< Gopher server
         srcWhois = 1 << (16 + 15), ///< Whois server
         srcUnsafe = 0xFFFF0000,  ///< Unsafe sources mask
         srcSafe = 0x0000FFFF ///< Safe sources mask

programming_language: C++
filename: IoAction.cc
change_type: ModificationType.MODIFY
diff: @@ -35,9 +35,6 @@ Mgr::IoActionData::operator += (const IoActionData& stats)
     ftp_reads += stats.ftp_reads;
     for (int i = 0; i < IoStats::histSize; ++i)
         ftp_read_hist[i] += stats.ftp_read_hist[i];
-    gopher_reads += stats.gopher_reads;
-    for (int i = 0; i < IoStats::histSize; ++i)
-        gopher_read_hist[i] += stats.gopher_read_hist[i];
 
     return *this;
 }

programming_language: C++
filename: IoAction.h
change_type: ModificationType.MODIFY
diff: @@ -27,10 +27,8 @@ public:
 public:
     double http_reads;
     double ftp_reads;
-    double gopher_reads;
     double http_read_hist[IoStats::histSize];
     double ftp_read_hist[IoStats::histSize];
-    double gopher_read_hist[IoStats::histSize];
 };
 
 /// implement aggregated 'io' action

programming_language: C++
filename: squid.8.in
change_type: ModificationType.MODIFY
diff: @@ -25,7 +25,7 @@ command\-line
 .PP
 .B squid
 is a high\-performance proxy caching server for web clients,
-supporting FTP, gopher, ICAP, ICP, HTCP and HTTP data objects.
+supporting FTP, ICAP, ICP, HTCP and HTTP data objects.
 Unlike traditional caching software, 
 Squid handles all requests in a single, non-blocking process.
 .PP

programming_language: Haskell
filename: stat.cc
change_type: ModificationType.MODIFY
diff: @@ -200,12 +200,6 @@ GetIoStats(Mgr::IoActionData& stats)
     for (i = 0; i < IoStats::histSize; ++i) {
         stats.ftp_read_hist[i] = IOStats.Ftp.read_hist[i];
     }
-
-    stats.gopher_reads = IOStats.Gopher.reads;
-
-    for (i = 0; i < IoStats::histSize; ++i) {
-        stats.gopher_read_hist[i] = IOStats.Gopher.read_hist[i];
-    }
 }
 
 void
@@ -238,19 +232,6 @@ DumpIoStats(Mgr::IoActionData& stats, StoreEntry* sentry)
                           Math::doublePercent(stats.ftp_read_hist[i], stats.ftp_reads));
     }
 
-    storeAppendPrintf(sentry, "\n");
-    storeAppendPrintf(sentry, "Gopher I/O\n");
-    storeAppendPrintf(sentry, "number of reads: %.0f\n", stats.gopher_reads);
-    storeAppendPrintf(sentry, "Read Histogram:\n");
-
-    for (i = 0; i < IoStats::histSize; ++i) {
-        storeAppendPrintf(sentry, "%5d-%5d: %9.0f %2.0f%%\n",
-                          i ? (1 << (i - 1)) + 1 : 1,
-                          1 << i,
-                          stats.gopher_read_hist[i],
-                          Math::doublePercent(stats.gopher_read_hist[i], stats.gopher_reads));
-    }
-
     storeAppendPrintf(sentry, "\n");
 }
 

programming_language: C++
filename: Stub.am
change_type: ModificationType.MODIFY
diff: @@ -47,7 +47,6 @@ STUB_SOURCE = \
 	tests/stub_fatal.cc \
 	tests/stub_fd.cc \
 	tests/stub_fqdncache.cc \
-	tests/stub_gopher.cc \
 	tests/stub_helper.cc \
 	tests/stub_http.cc \
 	tests/stub_icp.cc \

programming_language: Go
filename: stub_gopher.cc
change_type: ModificationType.DELETE
diff: @@ -1,17 +0,0 @@
-/*
- * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
- *
- * Squid software is distributed under GPLv2+ license and includes
- * contributions from numerous individuals and organizations.
- * Please see the COPYING and CONTRIBUTORS files for details.
- */
-
-#include "squid.h"
-
-#define STUB_API "gopher.cc"
-#include "tests/STUB.h"
-
-#include "gopher.h"
-void gopherStart(FwdState *) STUB
-int gopherCachable(const HttpRequest *) STUB
-

programming_language: unknown
filename: regressions-3.4.0.1
change_type: ModificationType.MODIFY
diff: @@ -44,6 +44,5 @@ refresh_pattern -i \.(gif|png|jpg|jpeg|ico)$ 40320 75% 86400
 refresh_pattern -i \.(iso|avi|wav|mp3|mpeg|swf|flv|x-flv)$ 1440 40% 40320
 
 refresh_pattern ^ftp:           1440    20%     10080
-refresh_pattern ^gopher:        1440    0%      1440
 refresh_pattern -i (/cgi-bin/|\?)       0       0%      0
 refresh_pattern .       0       20%     4320

programming_language: Shell