diff options
Diffstat (limited to 'src/rc/rc-misc.c')
| -rw-r--r-- | src/rc/rc-misc.c | 164 |
1 files changed, 1 insertions, 163 deletions
diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c index 2c6c3883..f2967dd1 100644 --- a/src/rc/rc-misc.c +++ b/src/rc/rc-misc.c @@ -27,7 +27,6 @@ #include <ctype.h> #include <fcntl.h> #include <limits.h> -# include <regex.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> @@ -126,7 +125,7 @@ env_config(void) char *np; char *npp; char *tok; - const char *sys = NULL; + const char *sys = rc_sys(); char buffer[PATH_MAX]; /* Ensure our PATH is prefixed with the system locations first @@ -177,10 +176,6 @@ env_config(void) } else setenv("RC_DEFAULTLEVEL", RC_LEVEL_DEFAULT, 1); - sys = detect_container(); - if (!sys) - sys = detect_vm(); - if (sys) setenv("RC_SYS", sys, 1); @@ -338,163 +333,6 @@ is_writable(const char *path) return 0; } -static bool file_regex(const char *file, const char *regex) -{ - FILE *fp; - char *line = NULL; - size_t len = 0; - regex_t re; - bool retval = true; - int result; - - if (!(fp = fopen(file, "r"))) - return false; - - if ((result = regcomp(&re, regex, REG_EXTENDED | REG_NOSUB)) != 0) { - fclose(fp); - line = xmalloc(sizeof(char) * BUFSIZ); - regerror(result, &re, line, BUFSIZ); - fprintf(stderr, "file_regex: %s", line); - free(line); - return false; - } - - while ((rc_getline(&line, &len, fp))) { - char *str = line; - /* some /proc files have \0 separated content so we have to - loop through the 'line' */ - do { - if (regexec(&re, str, 0, NULL, 0) == 0) - goto found; - str += strlen(str) + 1; - /* len is the size of allocated buffer and we don't - want call regexec BUFSIZE times. find next str */ - while (str < line + len && *str == '\0') - str++; - } while (str < line + len); - } - retval = false; -found: - fclose(fp); - free(line); - regfree(&re); - - return retval; -} - -const char *detect_prefix(void) -{ -#ifdef PREFIX - return RC_SYS_PREFIX; -#else - return NULL; -#endif -} - -const char *get_systype(void) -{ - char *systype = rc_conf_value("rc_sys"); - if (systype) { - char *s = systype; - /* Convert to uppercase */ - while (s && *s) { - if (islower((unsigned char) *s)) - *s = toupper((unsigned char) *s); - s++; - } - } - return systype; -} - -const char *detect_container(void) -{ - const char *systype = get_systype(); - -#ifdef __FreeBSD__ - if (systype && strcmp(systype, RC_SYS_JAIL) == 0) - return RC_SYS_JAIL; - int jailed = 0; - size_t len = sizeof(jailed); - - if (sysctlbyname("security.jail.jailed", &jailed, &len, NULL, 0) == 0) - if (jailed == 1) - return RC_SYS_JAIL; -#endif - -#ifdef __linux__ - if (systype) { - if (strcmp(systype, RC_SYS_UML) == 0) - return RC_SYS_UML; - if (strcmp(systype, RC_SYS_VSERVER) == 0) - return RC_SYS_VSERVER; - if (strcmp(systype, RC_SYS_OPENVZ) == 0) - return RC_SYS_OPENVZ; - if (strcmp(systype, RC_SYS_LXC) == 0) - return RC_SYS_LXC; - if (strcmp(systype, RC_SYS_RKT) == 0) - return RC_SYS_RKT; - if (strcmp(systype, RC_SYS_SYSTEMD_NSPAWN) == 0) - return RC_SYS_SYSTEMD_NSPAWN; - if (strcmp(systype, RC_SYS_DOCKER) == 0) - return RC_SYS_DOCKER; - } - if (file_regex("/proc/cpuinfo", "UML")) - return RC_SYS_UML; - else if (file_regex("/proc/self/status", - "(s_context|VxID):[[:space:]]*[1-9]")) - return RC_SYS_VSERVER; - else if (exists("/proc/vz/veinfo") && !exists("/proc/vz/version")) - return RC_SYS_OPENVZ; - else if (file_regex("/proc/self/status", - "envID:[[:space:]]*[1-9]")) - return RC_SYS_OPENVZ; /* old test */ - else if (file_regex("/proc/1/environ", "container=lxc")) - return RC_SYS_LXC; - else if (file_regex("/proc/1/environ", "container=rkt")) - return RC_SYS_RKT; - else if (file_regex("/proc/1/environ", "container=systemd-nspawn")) - return RC_SYS_SYSTEMD_NSPAWN; - else if (file_regex("/proc/1/environ", "container=docker")) - return RC_SYS_DOCKER; -#endif - - return NULL; -} - -const char *detect_vm(void) -{ - const char *systype = get_systype(); - -#ifdef __NetBSD__ - if (systype) { - if(strcmp(systype, RC_SYS_XEN0) == 0) - return RC_SYS_XEN0; - if (strcmp(systype, RC_SYS_XENU) == 0) - return RC_SYS_XENU; - } - if (exists("/kern/xen/privcmd")) - return RC_SYS_XEN0; - if (exists("/kern/xen")) - return RC_SYS_XENU; -#endif - -#ifdef __linux__ - if (systype) { - if (strcmp(systype, RC_SYS_XEN0) == 0) - return RC_SYS_XEN0; - if (strcmp(systype, RC_SYS_XENU) == 0) - return RC_SYS_XENU; - } - if (exists("/proc/xen")) { - if (file_regex("/proc/xen/capabilities", "control_d")) - return RC_SYS_XEN0; - return RC_SYS_XENU; - } -#endif - - return NULL; -} - RC_DEPTREE * _rc_deptree_load(int force, int *regen) { int fd; |