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Overview
Comment:Enhance the security-audit page to detect insecurities resulting from having self-registration enabled. This is a work in progress. More testing and more checks are needed in this area.
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SHA3-256: 724ccc46f2cba9ae5196a89a01c950bb33a0ee446c3fa70b9ad4348d081eb13b
User & Date: drh 2018-10-17 23:53:54
Context
2018-10-19
22:12
Use a signed type to avoid an infinite loop in socket_send(); socket_receive() is already fine. (check-in: d0fa9eee user: andybradford tags: trunk)
2018-10-17
23:53
Enhance the security-audit page to detect insecurities resulting from having self-registration enabled. This is a work in progress. More testing and more checks are needed in this area. (check-in: 724ccc46 user: drh tags: trunk)
2018-10-12
16:14
Fix a comment on the "html" and "puts" TH1 commands. Before this fix, the meanings of the two commands were reversed. (check-in: 35563f3d user: drh tags: trunk)
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/security_audit.c. 

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**
** Run a security audit of the current Fossil setup.
** This page requires administrator access
*/
void secaudit0_page(void){
  const char *zAnonCap;      /* Capabilities of user "anonymous" and "nobody" */
  const char *zPubPages;     /* GLOB pattern for public pages */

  char *z;
  int n;

  login_check_credentials();
  if( !g.perm.Setup && !g.perm.Admin ){
    login_needed(0);
    return;
................................................................................
  /* Step 1:  Determine if the repository is public or private.  "Public"
  ** means that any anonymous user on the internet can access all content.
  ** "Private" repos require (non-anonymous) login to access all content,
  ** though some content may be accessible anonymously.
  */
  zAnonCap = db_text("", "SELECT fullcap(NULL)");
  zPubPages = db_get("public-pages",0);









  if( hasAnyCap(zAnonCap,"as") ){
    @ <li><p>This repository is <big><b>Wildly INSECURE</b></big> because
    @ it grants administrator privileges to anonymous users.  You
    @ should <a href="takeitprivate">take this repository private</a>
    @ immediately!  Or, at least remove the Setup and Admin privileges
    @ for users "anonymous" and "login" on the
    @ <a href="setup_ulist">User Configuration</a> page.







  }else if( hasAnyCap(zAnonCap,"y") ){
    @ <li><p>This repository is <big><b>INSECURE</b></big> because
    @ it allows anonymous users to push unversioned files.
    @ <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>
................................................................................
  }
  if( P("apply") ){
    db_multi_exec(
      "UPDATE user SET cap=''"
      " WHERE login IN ('nobody','anonymous');"
      "DELETE FROM config WHERE name='public-pages';"
    );

    cgi_redirect("secaudit0");
  }
  style_header("Make This Website Private");
  @ <p>Click the "Make It Private" button below to disable all
  @ anonymous access to this repository.  A valid login and password
  @ will be required to access this repository after clicking that
  @ button.</p>








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**
** Run a security audit of the current Fossil setup.
** This page requires administrator access
*/
void secaudit0_page(void){
  const char *zAnonCap;      /* Capabilities of user "anonymous" and "nobody" */
  const char *zPubPages;     /* GLOB pattern for public pages */
  const char *zSelfCap;      /* Capabilities of self-registered users */
  char *z;
  int n;

  login_check_credentials();
  if( !g.perm.Setup && !g.perm.Admin ){
    login_needed(0);
    return;
................................................................................
  /* Step 1:  Determine if the repository is public or private.  "Public"
  ** means that any anonymous user on the internet can access all content.
  ** "Private" repos require (non-anonymous) login to access all content,
  ** though some content may be accessible anonymously.
  */
  zAnonCap = db_text("", "SELECT fullcap(NULL)");
  zPubPages = db_get("public-pages",0);
  if( db_get_boolean("self-register",0) ){
    CapabilityString *pCap;
    pCap = capability_add(0, db_get("default-perms",""));
    capability_expand(pCap);
    zSelfCap = capability_string(pCap);
    capability_free(pCap);
  }else{
    zSelfCap = fossil_strdup("");
  }
  if( hasAnyCap(zAnonCap,"as") ){
    @ <li><p>This repository is <big><b>Wildly INSECURE</b></big> because
    @ it grants administrator privileges to anonymous users.  You
    @ should <a href="takeitprivate">take this repository private</a>
    @ immediately!  Or, at least remove the Setup and Admin privileges
    @ for users "anonymous" and "login" on the
    @ <a href="setup_ulist">User Configuration</a> page.
  }else if( hasAnyCap(zSelfCap,"as") ){
    @ <li><p>This repository is <big><b>Wildly INSECURE</b></big> because
    @ it grants administrator privileges to self-registered users.  You
    @ should <a href="takeitprivate">take this repository private</a>
    @ and/or disable self-registration
    @ immediately!  Or, at least remove the Setup and Admin privileges
    @ from the default permissions for new users.
  }else if( hasAnyCap(zAnonCap,"y") ){
    @ <li><p>This repository is <big><b>INSECURE</b></big> because
    @ it allows anonymous users to push unversioned files.
    @ <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(zSelfCap,"y") ){
    @ <li><p>This repository is <big><b>INSECURE</b></big> because
    @ it allows self-registered users to push unversioned files.
    @ <p>Fix this by <a href="takeitprivate">taking the repository private</a>
    @ or by removing the "y" permission from the default permissions or
    @ by disabling self-registration.
  }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(zSelfCap,"goz") ){
    @ <li><p>This repository is <big><b>PUBLIC</b></big> because all
    @ checked-in content can be accessed by self-registered users.
    @ This repostory would be private if you disabled self-registration.</p>
  }else if( !hasAnyCap(zAnonCap, "jrwy234567")
         && !hasAnyCap(zSelfCap, "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 either anonymously or by self-registered
    @ users:
    @ <ul>
    if( hasAnyCap(zAnonCap,"j") || hasAnyCap(zSelfCap,"j") ){
      @ <li> Wiki pages
    }
    if( hasAnyCap(zAnonCap,"r") || hasAnyCap(zSelfCap,"r") ){
      @ <li> Tickets
    }
    if( hasAnyCap(zAnonCap,"234567") || hasAnyCap(zSelfCap,"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>
................................................................................
  }
  if( P("apply") ){
    db_multi_exec(
      "UPDATE user SET cap=''"
      " WHERE login IN ('nobody','anonymous');"
      "DELETE FROM config WHERE name='public-pages';"
    );
    db_set("self-register","0",0);
    cgi_redirect("secaudit0");
  }
  style_header("Make This Website Private");
  @ <p>Click the "Make It Private" button below to disable all
  @ anonymous access to this repository.  A valid login and password
  @ will be required to access this repository after clicking that
  @ button.</p>

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