<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">According to Damien Sorresso, BSD Engineering, Apple Inc. (see <a href="https://lists.macosforge.org/pipermail/launchd-dev/2010-October/000834.html" class="">https://lists.macosforge.org/pipermail/launchd-dev/2010-October/000834.html</a>), "ServiceManagement will check the CFBundleVersion of the tool and, if it's the same ..., will not overwrite it."</div><div class=""><br class=""></div><div class="">I've updated my code to show the CFBundleVersion of the tool both before and after a "successful" invocation of SMJobBless(). Is there anything I can do to get this to work?</div><div class=""><br class=""></div><div class="">2017-01-27 09:10... existing: <span class="Apple-tab-span" style="white-space:pre"> </span><string>84</string></div><div class="">2017-01-27 09:10... replacement: <span class="Apple-tab-span" style="white-space:pre"> </span><string>E6</string></div><div class="">2017-01-27 09:10... SMJobBless(com.GemTalk.GemStone.Helper,...) returned true...</div><div class="">2017-01-27 09:10... now found: <span class="Apple-tab-span" style="white-space:pre"> </span><string>84</string></div><div class=""><br class=""></div><div><blockquote type="cite" class=""><div class="">On Jan 25, 2017, at 4:48 PM, James Foster <<a href="mailto:james.foster@gemtalksystems.com" class="">james.foster@gemtalksystems.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">I am attempting to replace a helper tool. Most of the time if I increment the version (of my application and of the helper tool) then the new tool will be installed. Sometimes it won't be installed and I have to delete the old one manually. The problem seems to occur about every dozen versions or so, and once it happens the replacement will not occur even if I change the version numbers again.
</pre><div class=""><br class=""></div><div class=""><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);"><a href="https://developer.apple.com/reference/servicemanagement/1431078-smjobbless?language=objc" rel="nofollow" target="_blank" style="outline: none; cursor: pointer;" class="">https://developer.apple.com/reference/servicemanagement/1431078-smjobbless?language=objc</a> states "If the job is already installed, success is returned.” </pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);"><br class=""></pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">How does SMJobBless() determine that the job is already installed? What do I need to do, beyond creating an entirely new job name, to make it look different enough to replace?</pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);"><br class=""></pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">Following is my code and console output (from <span style="font-family: inherit;" class="">macOS 10.12.2)</span><span style="font-family: inherit;" class="">.</span></pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);"><br class=""></pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);">James Foster</pre><pre class="preContent" style="outline: none; font-family: inherit; margin-top: 0px; margin-bottom: 0px; padding: 0px; white-space: pre-wrap; word-wrap: break-word; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);"><br class=""></pre></div><div class=""><div class=""><br class=""></div><div class="">CODE:</div><div class=""><br class=""></div><div class="">- (void)installHelperTool;</div><div class="">{</div><div class=""> OSStatus status = AuthorizationCreate(...);</div><div class=""> // handle errors</div><div class=""> </div><div class=""> NSLog(@"existing: %@", [self system:@"/usr/bin/otool -P "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>"/Library/PrivilegedHelperTools/com.GemTalk.GemStone.Helper | "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>"grep -A 1 VersionString | tail -1"]);</div><div class=""> NSLog(@"replacement: %@", [self system:@"/usr/bin/otool -P "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>"GemStone.app/Contents/Library/LaunchServices/com.GemTalk.GemStone.Helper | "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span> "grep -A 1 VersionString | tail -1"]);</div><div class=""> CFErrorRef cfError = nil;</div><div class=""> if (SMJobBless(kSMDomainSystemLaunchd, (__bridge CFStringRef)@kHelperIdentifier, authRef, &cfError)) {</div><div class=""> NSLog(@"SMJobBless(%s,...) returned true; attempting (%s).", kHelperIdentifier, kShortVersionString);</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>NSLog(@"now found: %@", [self system:@"/usr/bin/otool -P "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span> "/Library/PrivilegedHelperTools/com.GemTalk.GemStone.Helper | "</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>"grep -A 1 VersionString | tail -1"]);</div><div class=""> } else {</div><div class=""> AppError(@"Helper tool installation failed: %@", [(__bridge NSError*) cfError localizedDescription]);</div><div class=""> }</div><div class="">}</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">CONSOLE:</div><div class=""><br class=""></div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.368568 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>authd<span class="Apple-tab-span" style="white-space:pre"> </span>Succeeded authorizing right 'com.apple.ServiceManagement.blesshelper' by client '/Users/jfoster/Library/Developer/Xcode/DerivedData/GemStone-akfvfyaoddyaavgbcxnrdhnovoal/Build/Products/Debug/GemStone.app' [5626] for authorization created by '/Users/jfoster/Library/Developer/Xcode/DerivedData/GemStone-akfvfyaoddyaavgbcxnrdhnovoal/Build/Products/Debug/GemStone.app' [5626] (13,0)</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.889238 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>kernel<span class="Apple-tab-span" style="white-space:pre"> </span>AMFI: allowing exception handler for 'GemStone' (5626) because the process is not restricted.</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.385444 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>GemStone<span class="Apple-tab-span" style="white-space:pre"> </span>existing: <span class="Apple-tab-span" style="white-space:pre"> </span><string>1.3.3.9</string></div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.900905 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>kernel<span class="Apple-tab-span" style="white-space:pre"> </span>AMFI: allowing exception handler for 'GemStone' (5626) because the process is not restricted.</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.397113 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>GemStone<span class="Apple-tab-span" style="white-space:pre"> </span>replacement: <span class="Apple-tab-span" style="white-space:pre"> </span><string>1.4.0</string></div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.398426 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>authd<span class="Apple-tab-span" style="white-space:pre"> </span>Succeeded authorizing right 'com.apple.ServiceManagement.blesshelper' by client '/usr/libexec/smd' [251] for authorization created by '/Users/jfoster/Library/Developer/Xcode/DerivedData/GemStone-akfvfyaoddyaavgbcxnrdhnovoal/Build/Products/Debug/GemStone.app' [5626] (3,0)</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.408694 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>GemStone<span class="Apple-tab-span" style="white-space:pre"> </span>SMJobBless(com.GemTalk.GemStone.Helper,...) returned true; attempting (1.4.0).</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.923798 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>kernel<span class="Apple-tab-span" style="white-space:pre"> </span>AMFI: allowing exception handler for 'GemStone' (5626) because the process is not restricted.</div><div class="">default<span class="Apple-tab-span" style="white-space:pre"> </span>14:25:04.419988 -0800<span class="Apple-tab-span" style="white-space:pre"> </span>GemStone<span class="Apple-tab-span" style="white-space:pre"> </span>now found: <span class="Apple-tab-span" style="white-space:pre"> </span><string>1.3.3.9</string></div></div><div class=""><br class=""></div></div></div></blockquote></div><br class=""></body></html>