Private
Public Access
30 lines
1.9 KiB
C
30 lines
1.9 KiB
C
#ifndef HISTOGRAM_AUTOSTART_H
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#define HISTOGRAM_AUTOSTART_H
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#define BOOT_HOOK "/var/lib/webosbrew/init.d/60-histogramhyperion"
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static const char boot_script[] = "#!/bin/sh\n# Histogram Hyperion own boot hook v1\n(\n attempt=0\n while [ -x /var/lib/webosbrew/init.d/60-histogramhyperion ] && [ \"$attempt\" -lt 120 ]; do\n result=$(timeout 12 luna-send -n 1 luna://org.webosbrew.histogramhyperion.service/start '{}' 2>&1)\n case \"$result\" in\n *'\"running\":true'*) exit 0 ;;\n esac\n attempt=$((attempt + 1))\n sleep 5\n done\n echo 'Histogram Hyperion boot start cancelled or timed out'\n) >/var/lib/webosbrew/histogramhyperion-boot.log 2>&1 </dev/null &\nexit 0\n";
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static bool boot_enabled(void){return access(BOOT_HOOK,X_OK)==0;}
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static bool set_boot(bool enabled){
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struct stat st;
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if(lstat(BOOT_HOOK,&st)==0){
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if(!S_ISREG(st.st_mode))return false;
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char existing[sizeof(boot_script)];int fd=open(BOOT_HOOK,O_RDONLY|O_NOFOLLOW|O_CLOEXEC);if(fd<0)return false;
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ssize_t size=read(fd,existing,sizeof(existing));close(fd);
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if(size!=(ssize_t)(sizeof(boot_script)-1) || memcmp(existing,boot_script,(size_t)size)!=0)return false;
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if(!enabled)return unlink(BOOT_HOOK)==0;
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return chmod(BOOT_HOOK,0755)==0;
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}
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if(errno!=ENOENT)return false;
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if(!enabled)return true;
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if(mkdir("/var/lib/webosbrew",0755)!=0 && errno!=EEXIST)return false;
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if(mkdir("/var/lib/webosbrew/init.d",0755)!=0 && errno!=EEXIST)return false;
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int fd=open(BOOT_HOOK ".tmp",O_WRONLY|O_CREAT|O_EXCL|O_CLOEXEC|O_NOFOLLOW,0700);if(fd<0)return false;
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size_t used=0;bool ok=true;
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while(used<sizeof(boot_script)-1){ssize_t n=write(fd,boot_script+used,sizeof(boot_script)-1-used);if(n<=0){ok=false;break;}used+=(size_t)n;}
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if(ok)ok=fchmod(fd,0755)==0 && fsync(fd)==0;
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if(close(fd)!=0)ok=false;
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if(ok)ok=rename(BOOT_HOOK ".tmp",BOOT_HOOK)==0;
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if(!ok)unlink(BOOT_HOOK ".tmp");
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return ok;
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}
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#endif
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