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Overview
Comment:Add new security-audit checks for forum and "Announce" privileges.
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Timelines: family | ancestors | descendants | both | forum-v2
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SHA3-256: 5d6fc9678d36bc6f1d76b8f62924022a89bb2f58d82f64c0cc03c968cf86605a
User & Date: drh 2018-07-30 16:01:59
Context
2018-07-30
16:44
Invoke abort() after a call to fossil_panic(), not exit(1). This will leave a core file if the system is correctly configured. Also show the panic on debugging logs. check-in: 81632289 user: drh tags: forum-v2
16:01
Add new security-audit checks for forum and "Announce" privileges. check-in: 5d6fc967 user: drh tags: forum-v2
14:14
Improvements to error detection and reporting in the artifact parser. Add the test-parse-all-blobs command for verifying the artifact parser against historical repositories. check-in: d2d1a86f user: drh tags: forum-v2
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/main.c. 

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  char Zip;              /* z: download zipped artifact via /zip URL */
  char Private;          /* x: can send and receive private content */
  char WrUnver;          /* y: can push unversioned content */
  char RdForum;          /* 2: Read forum posts */
  char WrForum;          /* 3: Create new forum posts */
  char WrTForum;         /* 4: Post to forums not subject to moderation */
  char ModForum;         /* 5: Moderate (approve or reject) forum posts */
  char AdminForum;       /* 6: Edit forum posts by other users */
  char EmailAlert;       /* 7: Sign up for email notifications */
  char Announce;         /* A: Send announcements */
  char Debug;            /* D: show extra Fossil debugging features */
};

#ifdef FOSSIL_ENABLE_TCL
/*








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  char Zip;              /* z: download zipped artifact via /zip URL */
  char Private;          /* x: can send and receive private content */
  char WrUnver;          /* y: can push unversioned content */
  char RdForum;          /* 2: Read forum posts */
  char WrForum;          /* 3: Create new forum posts */
  char WrTForum;         /* 4: Post to forums not subject to moderation */
  char ModForum;         /* 5: Moderate (approve or reject) forum posts */
  char AdminForum;       /* 6: Set or remove capability 4 on other users */
  char EmailAlert;       /* 7: Sign up for email notifications */
  char Announce;         /* A: Send announcements */
  char Debug;            /* D: show extra Fossil debugging features */
};

#ifdef FOSSIL_ENABLE_TCL
/*

Changes to src/security_audit.c. 

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    @ <p>Fix this by <a href="takeitprivate">taking the repository private</a>
    @ or by removing the "y" permission from users "anonymous" and
    @ "nobody" on the <a href="setup_ulist">User Configuration</a> page.
  }else if( hasAnyCap(zAnonCap,"goz") ){
    @ <li><p>This repository is <big><b>PUBLIC</b></big>. All
    @ checked-in content can be accessed by anonymous users.
    @ <a href="takeitprivate">Take it private</a>.<p>

  }else if( !hasAnyCap(zAnonCap, "jry") && (zPubPages==0 || zPubPages[0]==0) ){
    @ <li><p>This repository is <big><b>Completely PRIVATE</b></big>.
    @ A valid login and password is required to access any content.
  }else{
    @ <li><p>This repository is <big><b>Mostly PRIVATE</b></big>.
    @ A valid login and password is usually required, however some
    @ content can be accessed anonymously:
    @ <ul>
    if( hasAnyCap(zAnonCap,"j") ){
      @ <li> Wiki pages
    }
    if( hasAnyCap(zAnonCap,"r") ){
      @ <li> Tickets



    }
    if( zPubPages && zPubPages[0] ){
      Glob *pGlob = glob_create(zPubPages);
      int i;
      @ <li> URLs that match any of these GLOB patterns:
      @ <ul>
      for(i=0; i<pGlob->nPattern; i++){
................................................................................
  /* Anonymous users should not be able to harvest email addresses
  ** from tickets.
  */
  if( hasAnyCap(zAnonCap, "e") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can view email addresses and other personally
    @ identifiable information on tickets.
    @ <p>Fix this by removing the "Email" privilege from users

    @ "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed to push content
  ** to the repository.
  */
  if( hasAnyCap(zAnonCap, "i") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can push new check-ins into the repository.
    @ <p>Fix this by removing the "Check-in" privilege from users

    @ "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed act as moderators
  ** for wiki or tickets.
  */
  if( hasAnyCap(zAnonCap, "lq") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can act as moderators for wiki and/or tickets.
    @ This defeats the whole purpose of moderation.
    @ <p>Fix this by removing the "Mod-Wiki" and "Mod-Tkt"

    @ privilege from users "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed to delete
  ** wiki or tickets.
  */
  if( hasAnyCap(zAnonCap, "d") ){
    @ <li><p><b>WARNING:</b>
................................................................................
  */
  if( hasAnyCap(zAnonCap, "fk") ){
    if( db_get_boolean("modreq-wiki",0)==0 ){
      @ <li><p><b>WARNING:</b>
      @ Anonymous users can create or edit wiki without moderation.
      @ This can result in robots inserting lots of wiki spam into
      @ repository.
      @ <p>Fix this by removing the "New-Wiki" and "Write-Wiki"
      @ privileges from users "anonymous" and "nobody" on the
      @ <a href="setup_ulist">User Configuration</a> page or
      @ by enabling wiki moderation on the
      @ <a href="setup_modreq">Moderation Setup</a> page.
    }else{
      @ <li><p>
      @ Anonymous users can create or edit wiki, but moderator
      @ approval is required before the edits become permanent.
    }
  }



























  /* Administrative privilege should only be provided to
  ** specific individuals, not to entire classes of people.
  ** And not too many people should have administrator privilege.
  */
  z = db_text(0, "SELECT group_concat(login,' AND ') FROM user"
                 " WHERE cap GLOB '*[as]*'"








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    @ <p>Fix this by <a href="takeitprivate">taking the repository private</a>
    @ or by removing the "y" permission from users "anonymous" and
    @ "nobody" on the <a href="setup_ulist">User Configuration</a> page.
  }else if( hasAnyCap(zAnonCap,"goz") ){
    @ <li><p>This repository is <big><b>PUBLIC</b></big>. All
    @ checked-in content can be accessed by anonymous users.
    @ <a href="takeitprivate">Take it private</a>.<p>
  }else if( !hasAnyCap(zAnonCap, "jrwy234567")
         && (zPubPages==0 || zPubPages[0]==0) ){
    @ <li><p>This repository is <big><b>Completely PRIVATE</b></big>.
    @ A valid login and password is required to access any content.
  }else{
    @ <li><p>This repository is <big><b>Mostly PRIVATE</b></big>.
    @ A valid login and password is usually required, however some
    @ content can be accessed anonymously:
    @ <ul>
    if( hasAnyCap(zAnonCap,"j") ){
      @ <li> Wiki pages
    }
    if( hasAnyCap(zAnonCap,"r") ){
      @ <li> Tickets
    }
    if( hasAnyCap(zAnonCap,"234567") ){
      @ <li> Forum posts
    }
    if( zPubPages && zPubPages[0] ){
      Glob *pGlob = glob_create(zPubPages);
      int i;
      @ <li> URLs that match any of these GLOB patterns:
      @ <ul>
      for(i=0; i<pGlob->nPattern; i++){
................................................................................
  /* Anonymous users should not be able to harvest email addresses
  ** from tickets.
  */
  if( hasAnyCap(zAnonCap, "e") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can view email addresses and other personally
    @ identifiable information on tickets.
    @ <p>Fix this by removing the "Email" privilege
    @ (<a href="setup_ucap_list">capability "e") from users
    @ "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed to push content
  ** to the repository.
  */
  if( hasAnyCap(zAnonCap, "i") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can push new check-ins into the repository.
    @ <p>Fix this by removing the "Check-in" privilege
    @ (<a href="setup_ucap_list">capability</a> "i") from users
    @ "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed act as moderators
  ** for wiki or tickets.
  */
  if( hasAnyCap(zAnonCap, "lq5") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can act as moderators for wiki, tickets, or 
    @ forum posts. This defeats the whole purpose of moderation.
    @ <p>Fix this by removing the "Mod-Wiki", "Mod-Tkt", and "Mod-Forum"
    @ privileges (<a href="%R/setup_ucap_list">capabilities</a> "fq5")
    @ from users "anonymous" and "nobody"
    @ on the <a href="setup_ulist">User Configuration</a> page.
  }

  /* Anonymous users probably should not be allowed to delete
  ** wiki or tickets.
  */
  if( hasAnyCap(zAnonCap, "d") ){
    @ <li><p><b>WARNING:</b>
................................................................................
  */
  if( hasAnyCap(zAnonCap, "fk") ){
    if( db_get_boolean("modreq-wiki",0)==0 ){
      @ <li><p><b>WARNING:</b>
      @ Anonymous users can create or edit wiki without moderation.
      @ This can result in robots inserting lots of wiki spam into
      @ repository.
      @ Fix this by removing the "New-Wiki" and "Write-Wiki"
      @ privileges from users "anonymous" and "nobody" on the
      @ <a href="setup_ulist">User Configuration</a> page or
      @ by enabling wiki moderation on the
      @ <a href="setup_modreq">Moderation Setup</a> page.
    }else{
      @ <li><p>
      @ Anonymous users can create or edit wiki, but moderator
      @ approval is required before the edits become permanent.
    }
  }

  /* Anonymous users should not be able to create trusted forum
  ** posts.
  */
  if( hasAnyCap(zAnonCap, "456") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can create forum posts that are
    @ accepted into the permanent record without moderation.
    @ This can result in robots generating spam on forum posts.
    @ Fix this by removing the "WriteTrusted-Forum" privilege
    @ (<a href="setup_ucap_list">capabilities</a> "456") from
    @ users "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page or
  }

  /* Anonymous users should not be able to send announcements.
  */
  if( hasAnyCap(zAnonCap, "A") ){
    @ <li><p><b>WARNING:</b>
    @ Anonymous users can send announcements to anybody who is signed
    @ up to receive announcements.  This can result in spam.
    @ Fix this by removing the "Announce" privilege
    @ (<a href="setup_ucap_list">capability</a> "A") from
    @ users "anonymous" and "nobody" on the
    @ <a href="setup_ulist">User Configuration</a> page or
  }

  /* Administrative privilege should only be provided to
  ** specific individuals, not to entire classes of people.
  ** And not too many people should have administrator privilege.
  */
  z = db_text(0, "SELECT group_concat(login,' AND ') FROM user"
                 " WHERE cap GLOB '*[as]*'"

Changes to src/setup.c. 

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     @   <td><i>Forum-Append:</i> Add new forum posts</td></tr>
     @ <tr><th valign="top">4</th>
     @   <td><i>Forum-Trusted:</i> Add pre-approved forum posts </td></tr>
     @ <tr><th valign="top">5</th>
     @   <td><i>Forum-Moderator:</i> Approve or disapprove forum posts</td></tr>
     @ <tr><th valign="top">6</th>
     @   <td><i>Forum-Supervisor:</i> \
     @ Forum administrator
     @ <tr><th valign="top">7</th>
     @   <td><i>Email-Alerts:</i> Sign up for email nofications</td></tr>
     @ <tr><th valign="top">A</th>
     @   <td><i>Announce:</i> Send announcements</td></tr>
     @ <tr><th valign="top">D</th>
     @   <td><i>Debug:</i> Enable debugging features</td></tr>
  @ </table>








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     @   <td><i>Forum-Append:</i> Add new forum posts</td></tr>
     @ <tr><th valign="top">4</th>
     @   <td><i>Forum-Trusted:</i> Add pre-approved forum posts </td></tr>
     @ <tr><th valign="top">5</th>
     @   <td><i>Forum-Moderator:</i> Approve or disapprove forum posts</td></tr>
     @ <tr><th valign="top">6</th>
     @   <td><i>Forum-Supervisor:</i> \
     @ Forum administrator: Set or remove capability "4" for other users
     @ <tr><th valign="top">7</th>
     @   <td><i>Email-Alerts:</i> Sign up for email nofications</td></tr>
     @ <tr><th valign="top">A</th>
     @   <td><i>Announce:</i> Send announcements</td></tr>
     @ <tr><th valign="top">D</th>
     @   <td><i>Debug:</i> Enable debugging features</td></tr>
  @ </table>

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