diff options
Diffstat (limited to 'src/conn-tools')
29 files changed, 21 insertions, 1964 deletions
diff --git a/src/conn-tools/deps-exe/s6-accessrules-cdb-from-fs b/src/conn-tools/deps-exe/s6-accessrules-cdb-from-fs deleted file mode 100644 index 407cc2d..0000000 --- a/src/conn-tools/deps-exe/s6-accessrules-cdb-from-fs +++ /dev/null @@ -1,4 +0,0 @@ -${LIBS6NET} --lskarnet -${SOCKET_LIB} -${TAINNOW_LIB} diff --git a/src/conn-tools/deps-exe/s6-accessrules-fs-from-cdb b/src/conn-tools/deps-exe/s6-accessrules-fs-from-cdb deleted file mode 100644 index e7187fe..0000000 --- a/src/conn-tools/deps-exe/s6-accessrules-fs-from-cdb +++ /dev/null @@ -1 +0,0 @@ --lskarnet diff --git a/src/conn-tools/deps-exe/s6-connlimit b/src/conn-tools/deps-exe/s6-connlimit deleted file mode 100644 index e7187fe..0000000 --- a/src/conn-tools/deps-exe/s6-connlimit +++ /dev/null @@ -1 +0,0 @@ --lskarnet diff --git a/src/conn-tools/deps-exe/s6-ioconnect b/src/conn-tools/deps-exe/s6-ioconnect deleted file mode 100644 index e027835..0000000 --- a/src/conn-tools/deps-exe/s6-ioconnect +++ /dev/null @@ -1,3 +0,0 @@ --lskarnet -${SOCKET_LIB} -${TAINNOW_LIB} diff --git a/src/conn-tools/deps-exe/s6-ipcclient b/src/conn-tools/deps-exe/s6-ipcclient deleted file mode 100644 index 19869b2..0000000 --- a/src/conn-tools/deps-exe/s6-ipcclient +++ /dev/null @@ -1,2 +0,0 @@ --lskarnet -${SOCKET_LIB} diff --git a/src/conn-tools/deps-exe/s6-ipcserver b/src/conn-tools/deps-exe/s6-ipcserver deleted file mode 100644 index e7187fe..0000000 --- a/src/conn-tools/deps-exe/s6-ipcserver +++ /dev/null @@ -1 +0,0 @@ --lskarnet diff --git a/src/conn-tools/deps-exe/s6-ipcserver-access b/src/conn-tools/deps-exe/s6-ipcserver-access deleted file mode 100644 index f328786..0000000 --- a/src/conn-tools/deps-exe/s6-ipcserver-access +++ /dev/null @@ -1,3 +0,0 @@ -${LIBS6NET} --lskarnet -${SOCKET_LIB} diff --git a/src/conn-tools/deps-exe/s6-ipcserver-socketbinder b/src/conn-tools/deps-exe/s6-ipcserver-socketbinder deleted file mode 100644 index 19869b2..0000000 --- a/src/conn-tools/deps-exe/s6-ipcserver-socketbinder +++ /dev/null @@ -1,2 +0,0 @@ --lskarnet -${SOCKET_LIB} diff --git a/src/conn-tools/deps-exe/s6-ipcserverd b/src/conn-tools/deps-exe/s6-ipcserverd deleted file mode 100644 index 19869b2..0000000 --- a/src/conn-tools/deps-exe/s6-ipcserverd +++ /dev/null @@ -1,2 +0,0 @@ --lskarnet -${SOCKET_LIB} diff --git a/src/conn-tools/deps-exe/s6-sudo b/src/conn-tools/deps-exe/s6-sudo deleted file mode 100644 index e7187fe..0000000 --- a/src/conn-tools/deps-exe/s6-sudo +++ /dev/null @@ -1 +0,0 @@ --lskarnet diff --git a/src/conn-tools/deps-exe/s6-sudoc b/src/conn-tools/deps-exe/s6-sudoc deleted file mode 100644 index e027835..0000000 --- a/src/conn-tools/deps-exe/s6-sudoc +++ /dev/null @@ -1,3 +0,0 @@ --lskarnet -${SOCKET_LIB} -${TAINNOW_LIB} diff --git a/src/conn-tools/deps-exe/s6-sudod b/src/conn-tools/deps-exe/s6-sudod deleted file mode 100644 index e027835..0000000 --- a/src/conn-tools/deps-exe/s6-sudod +++ /dev/null @@ -1,3 +0,0 @@ --lskarnet -${SOCKET_LIB} -${TAINNOW_LIB} diff --git a/src/conn-tools/deps-exe/s6-tcpserver-access b/src/conn-tools/deps-exe/s6-tcpserver-access index 661b207..87a105c 100644 --- a/src/conn-tools/deps-exe/s6-tcpserver-access +++ b/src/conn-tools/deps-exe/s6-tcpserver-access @@ -1,5 +1,6 @@ ${LIBS6NET} -ls6dns +-ls6 -lskarnet ${SOCKET_LIB} ${TAINNOW_LIB} diff --git a/src/conn-tools/deps-exe/seekablepipe b/src/conn-tools/deps-exe/seekablepipe deleted file mode 100644 index e7187fe..0000000 --- a/src/conn-tools/deps-exe/seekablepipe +++ /dev/null @@ -1 +0,0 @@ --lskarnet diff --git a/src/conn-tools/s6-accessrules-cdb-from-fs.c b/src/conn-tools/s6-accessrules-cdb-from-fs.c deleted file mode 100644 index 82da64c..0000000 --- a/src/conn-tools/s6-accessrules-cdb-from-fs.c +++ /dev/null @@ -1,195 +0,0 @@ -/* ISC license. */ - -#include <unistd.h> -#include <errno.h> -#include <stdio.h> /* for rename() */ -#include <skalibs/bytestr.h> -#include <skalibs/uint16.h> -#include <skalibs/fmtscan.h> -#include <skalibs/cdb_make.h> -#include <skalibs/strerr2.h> -#include <skalibs/stralloc.h> -#include <skalibs/direntry.h> -#include <skalibs/djbunix.h> -#include <skalibs/skamisc.h> -#include <skalibs/random.h> - -#define USAGE "s6-accessrules-cdb-from-fs cdbfile dir" - -static stralloc tmp = STRALLOC_ZERO ; - -static void cleanup (void) -{ - register int e = errno ; - unlink(tmp.s) ; - errno = e ; -} - -static void dienomem (void) -{ - cleanup() ; - strerr_diefu1sys(111, "stralloc_catb") ; -} - -static void doit (struct cdb_make *c, stralloc *sa, unsigned int start) -{ - unsigned int tmpbase = tmp.len ; - unsigned int k = sa->len ; - if (!stralloc_readyplus(sa, 10)) dienomem() ; - stralloc_catb(sa, "/allow", 7) ; - tmp.s[tmpbase] = 0 ; - if (access(sa->s, R_OK) < 0) - { - if ((errno != ENOENT) && (errno != EACCES)) - { - cleanup() ; - strerr_diefu2sys(111, "access ", sa->s) ; - } - sa->len = k+1 ; - stralloc_catb(sa, "deny", 5) ; - if (access(sa->s, R_OK) < 0) - if ((errno != ENOENT) && (errno != EACCES)) - { - cleanup() ; - strerr_diefu2sys(111, "access ", sa->s) ; - } - else return ; - else if (cdb_make_add(c, sa->s + start, k - start, "D", 1) < 0) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_make_add") ; - } - } - else - { - uint16 envlen = 0 ; - uint16 execlen = 0 ; - register int r ; - tmp.s[tmpbase] = 'A' ; - sa->len = k+1 ; - stralloc_catb(sa, "env", 4) ; - tmp.len = tmpbase + 3 ; - if ((envdir(sa->s, &tmp) < 0) && (errno != ENOENT)) - { - cleanup() ; - strerr_diefu2sys(111, "s6_envdir ", sa->s) ; - } - if (tmp.len > tmpbase + 4103) - { - cleanup() ; - strerr_diefu2sys(100, sa->s, "too big") ; - } - envlen = tmp.len - tmpbase - 3 ; - tmp.len = tmpbase ; - uint16_pack_big(tmp.s + tmpbase + 1, envlen) ; - sa->len = k+1 ; - stralloc_catb(sa, "exec", 5) ; - r = openreadnclose(sa->s, tmp.s + tmpbase + 5 + envlen, 4096) ; - if ((r < 0) && (errno != ENOENT)) - { - cleanup() ; - strerr_diefu2sys(111, "openreadnclose ", sa->s) ; - } - if (r > 0) execlen = r ; - uint16_pack_big(tmp.s + tmpbase + 3 + envlen, execlen) ; - if (cdb_make_add(c, sa->s + start, k - start, tmp.s + tmpbase, 5 + envlen + execlen) < 0) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_make_add") ; - } - } -} - - -int main (int argc, char const *const *argv) -{ - stralloc sa = STRALLOC_ZERO ; - struct cdb_make c = CDB_MAKE_ZERO ; - DIR *dir ; - unsigned int start ; - int fd ; - PROG = "s6-accessrules-cdb-from-fs" ; - if (argc < 3) strerr_dieusage(100, USAGE) ; - if (!stralloc_cats(&tmp, argv[1])) return 0 ; - if (random_sauniquename(&tmp, 8) < 0) - strerr_diefu1sys(111, "random_sauniquename") ; - if (!stralloc_readyplus(&tmp, 8210)) - strerr_diefu1sys(111, "stralloc_catb") ; - stralloc_0(&tmp) ; - fd = open_trunc(tmp.s) ; - if (fd < 0) strerr_diefu2sys(111, "open_trunc ", tmp.s) ; - if (cdb_make_start(&c, fd) < 0) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_make_start") ; - } - dir = opendir(argv[2]) ; - if (!dir) - { - cleanup() ; - strerr_diefu2sys(111, "opendir ", argv[2]) ; - } - if (!stralloc_cats(&sa, argv[2]) || !stralloc_catb(&sa, "/", 1)) dienomem() ; - start = sa.len ; - - for (;;) - { - DIR *subdir ; - direntry *d ; - unsigned int base ; - errno = 0 ; - d = readdir(dir) ; - if (!d) break ; - if (d->d_name[0] == '.') continue ; - sa.len = start ; - if (!stralloc_cats(&sa, d->d_name) || !stralloc_0(&sa)) dienomem() ; - base = sa.len ; - subdir = opendir(sa.s) ; - if (!subdir) - { - cleanup() ; - strerr_diefu2sys(111, "opendir ", sa.s) ; - } - sa.s[base-1] = '/' ; - for (;;) - { - errno = 0 ; - d = readdir(subdir) ; - if (!d) break ; - if (d->d_name[0] == '.') continue ; - sa.len = base ; - if (!stralloc_cats(&sa, d->d_name)) dienomem() ; - doit(&c, &sa, start) ; - } - if (errno) - { - sa.s[base-1] = 0 ; - cleanup() ; - strerr_diefu2sys(111, "readdir ", sa.s) ; - } - dir_close(subdir) ; - } - if (errno) - { - cleanup() ; - strerr_diefu2sys(111, "readdir ", argv[2]) ; - } - dir_close(dir) ; - if (cdb_make_finish(&c) < 0) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_make_finish") ; - } - if (fd_sync(fd) < 0) - { - cleanup() ; - strerr_diefu1sys(111, "fd_sync") ; - } - fd_close(fd) ; - if (rename(tmp.s, argv[1]) < 0) - { - cleanup() ; - strerr_diefu4sys(111, "rename ", tmp.s, " to ", argv[1]) ; - } - return 0 ; -} diff --git a/src/conn-tools/s6-accessrules-fs-from-cdb.c b/src/conn-tools/s6-accessrules-fs-from-cdb.c deleted file mode 100644 index cbe67ef..0000000 --- a/src/conn-tools/s6-accessrules-fs-from-cdb.c +++ /dev/null @@ -1,177 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <unistd.h> -#include <skalibs/bytestr.h> -#include <skalibs/uint16.h> -#include <skalibs/uint32.h> -#include <skalibs/cdb.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> - -#define USAGE "s6-accessrules-fs-from-cdb dir cdbfile" - -static char const *basedir ; -unsigned int basedirlen ; - -static void cleanup () -{ - int e = errno ; - rm_rf(basedir) ; - errno = e ; -} - -static int domkdir (char const *s) -{ - return mkdir(s, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH | S_ISGID) < 0 ? (errno == EEXIST) : 1 ; -} - -static void mkdirp (char *s) -{ - mode_t m = umask(0) ; - unsigned int len = str_len(s) ; - register unsigned int i = basedirlen + 1 ; - for (; i < len ; i++) if (s[i] == '/') - { - s[i] = 0 ; - if (!domkdir(s)) goto err ; - s[i] = '/' ; - } - if (!domkdir(s)) goto err ; - umask(m) ; - return ; - - err: - cleanup() ; - strerr_diefu2sys(111, "mkdir ", s) ; -} - -static void touchtrunc (char const *file) -{ - register int fd = open_trunc(file) ; - if (fd < 0) strerr_diefu2sys(111, "open_trunc ", file) ; - fd_close(fd) ; -} - -static int doenv (char const *dir, unsigned int dirlen, char *env, unsigned int envlen) -{ - mode_t m = umask(0) ; - unsigned int i = 0 ; - if (!domkdir(dir)) - { - cleanup() ; - strerr_diefu2sys(111, "mkdir ", dir) ; - } - umask(m) ; - while (i < envlen) - { - unsigned int n = byte_chr(env + i, envlen - i, 0) ; - if (i + n >= envlen) return 0 ; - { - unsigned int p = byte_chr(env + i, n, '=') ; - char tmp[dirlen + p + 2] ; - byte_copy(tmp, dirlen, dir) ; - tmp[dirlen] = '/' ; - byte_copy(tmp + dirlen + 1, p, env + i) ; - tmp[dirlen + p + 1] = 0 ; - if (p < n) - { - env[i+n] = '\n' ; - if (!openwritenclose_unsafe(tmp, env + i + p + 1, n - p)) - { - cleanup() ; - strerr_diefu2sys(111, "openwritenclose_unsafe ", tmp) ; - } - } - else touchtrunc(tmp) ; - } - i += n + 1 ; - } - return 1 ; -} - -static int doit (struct cdb *c) -{ - unsigned int klen = cdb_keylen(c) ; - unsigned int dlen = cdb_datalen(c) ; - { - uint16 envlen, execlen ; - char name[basedirlen + klen + 8] ; - char data[dlen] ; - byte_copy(name, basedirlen, basedir) ; - name[basedirlen] = '/' ; - if (!dlen || (dlen > 8201)) return (errno = EINVAL, 0) ; - if ((cdb_read(c, name+basedirlen+1, klen, cdb_keypos(c)) < 0) - || (cdb_read(c, data, dlen, cdb_datapos(c)) < 0)) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_read") ; - } - name[basedirlen + klen + 1] = 0 ; - mkdirp(name) ; - name[basedirlen + klen + 1] = '/' ; - if (data[0] == 'A') - { - byte_copy(name + basedirlen + klen + 2, 6, "allow") ; - touchtrunc(name) ; - } - else if (data[0] == 'D') - { - byte_copy(name + basedirlen + klen + 2, 5, "deny") ; - touchtrunc(name) ; - } - if (dlen < 3) return 1 ; - uint16_unpack_big(data + 1, &envlen) ; - if ((envlen > 4096U) || (3U + envlen > dlen)) return (errno = EINVAL, 0) ; - uint16_unpack_big(data + 3 + envlen, &execlen) ; - if ((execlen > 4096U) || (5U + envlen + execlen != dlen)) return (errno = EINVAL, 0) ; - if (envlen) - { - byte_copy(name + basedirlen + klen + 2, 4, "env") ; - if (!doenv(name, basedirlen + klen + 5, data + 3, envlen)) return (errno = EINVAL, 0) ; - } - byte_copy(name + basedirlen + klen + 2, 5, "exec") ; - if (execlen && !openwritenclose_unsafe(name, data + 5 + envlen, execlen)) - { - cleanup() ; - strerr_diefu2sys(111, "openwritenclose_unsafe ", name) ; - } - } - return 1 ; -} - -int main (int argc, char const *const *argv) -{ - struct cdb c = CDB_ZERO ; - uint32 kpos ; - PROG = "s6-accessrules-fs-from-cdb" ; - if (argc < 3) strerr_dieusage(100, USAGE) ; - if (cdb_mapfile(&c, argv[2]) < 0) strerr_diefu1sys(111, "cdb_mapfile") ; - basedir = argv[1] ; - basedirlen = str_len(argv[1]) ; - { - mode_t m = umask(0) ; - if (mkdir(basedir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH | S_ISGID) < 0) - strerr_diefu2sys(111, "mkdir ", basedir) ; - umask(m) ; - } - cdb_traverse_init(&c, &kpos) ; - for (;;) - { - register int r = cdb_nextkey(&c, &kpos) ; - if (r < 0) - { - cleanup() ; - strerr_diefu1sys(111, "cdb_nextkey") ; - } - else if (!r) break ; - else if (!doit(&c)) - { - cleanup() ; - strerr_diefu1sys(111, "handle key") ; - } - } - return 0 ; -} diff --git a/src/conn-tools/s6-connlimit.c b/src/conn-tools/s6-connlimit.c deleted file mode 100644 index 19f4a2d..0000000 --- a/src/conn-tools/s6-connlimit.c +++ /dev/null @@ -1,39 +0,0 @@ -/* ISC license. */ - -#include <skalibs/uint.h> -#include <skalibs/bytestr.h> -#include <skalibs/strerr2.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> - -int main (int argc, char const *const *argv, char const *const *envp) -{ - char const *x ; - unsigned int protolen ; - PROG = "s6-connlimit" ; - x = env_get2(envp, "PROTO") ; - if (!x) strerr_dienotset(100, "PROTO") ; - protolen = str_len(x) ; - if (!protolen) strerr_dief1x(100, "empty PROTO") ; - { - unsigned int num ; - char s[protolen + 8] ; - byte_copy(s, protolen, x) ; - byte_copy(s + protolen, 8, "CONNNUM") ; - x = env_get2(envp, s) ; - if (!x) strerr_dienotset(100, s) ; - if (!uint0_scan(x, &num)) strerr_dief2x(100, "invalid ", s) ; - byte_copy(s + protolen + 4, 4, "MAX") ; - x = env_get2(envp, s) ; - if (x) - { - unsigned int max ; - if (!uint0_scan(x, &max)) strerr_dief2x(100, "invalid ", s) ; - if (num > max) - strerr_dief2x(1, "number of connections from this client limited to ", x) ; - } - } - pathexec0_run(argv+1, envp) ; - (void)argc ; - strerr_dieexec(111, argv[1]) ; -} diff --git a/src/conn-tools/s6-ioconnect.c b/src/conn-tools/s6-ioconnect.c deleted file mode 100644 index a0217bb..0000000 --- a/src/conn-tools/s6-ioconnect.c +++ /dev/null @@ -1,187 +0,0 @@ -/* ISC license. */ - -#include <skalibs/nonposix.h> -#include <sys/socket.h> -#include <errno.h> -#include <signal.h> -#include <skalibs/uint.h> -#include <skalibs/allreadwrite.h> -#include <skalibs/sgetopt.h> -#include <skalibs/error.h> -#include <skalibs/iobuffer.h> -#include <skalibs/sig.h> -#include <skalibs/selfpipe.h> -#include <skalibs/strerr2.h> -#include <skalibs/tai.h> -#include <skalibs/iopause.h> -#include <skalibs/djbunix.h> - -#define USAGE "s6-ioconnect [ -t timeout ] [ -r fdr ] [ -w fdw ] [ -0 ] [ -1 ] [ -6 ] [ -7 ]" -#define dieusage() strerr_dieusage(100, USAGE) - - -typedef struct ioblah_s ioblah_t, *ioblah_t_ref ; -struct ioblah_s -{ - unsigned int fd ; - unsigned int xindex ; - unsigned int flagsocket : 1 ; - unsigned int flagopen : 1 ; -} ; - -static ioblah_t a[2][2] = { { { 0, 4, 0, 1 }, { 7, 4, 0, 1 } }, { { 6, 4, 0, 1 }, { 1, 4, 0, 1 } } } ; -static iobuffer b[2] ; -static iopause_fd x[5] = { { -1, IOPAUSE_READ, 0 } } ; - -static void closeit (unsigned int i, unsigned int j) -{ - if (a[i][j].flagsocket) - { - if ((shutdown(a[i][j].fd, j) < 0) && (errno != ENOTSOCK) && (errno != ENOTCONN)) - strerr_warnwu4sys("shutdown ", i ? "incoming" : "outgoing", " socket for ", j ? "writing" : "reading") ; - } - fd_close(a[i][j].fd) ; - a[i][j].flagopen = 0 ; - a[i][j].xindex = 5 ; -} - -static inline void finishit (unsigned int i) -{ - closeit(i, 1) ; - iobuffer_finish(&b[i]) ; -} - -static void handle_signals (void) -{ - for (;;) - { - char c = selfpipe_read() ; - switch (c) - { - case -1 : strerr_diefu1sys(111, "selfpipe_read") ; - case 0 : return ; - case SIGTERM : - { - if (a[0][0].xindex < 5) x[a[0][0].xindex].revents |= IOPAUSE_EXCEPT ; - if (a[1][0].xindex < 5) x[a[1][0].xindex].revents |= IOPAUSE_EXCEPT ; - break ; - } - default : - strerr_dief1x(101, "internal error: inconsistent signal state. Please submit a bug-report.") ; - } - } -} - -int main (int argc, char const *const *argv) -{ - tain_t tto ; - register unsigned int i, j ; - PROG = "s6-ioconnect" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - unsigned int t = 0 ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "0167t:r:w:", &l) ; - if (opt < 0) break ; - switch (opt) - { - case '0' : a[0][0].flagsocket = 1 ; break ; - case '1' : a[1][1].flagsocket = 1 ; break ; - case '6' : a[1][0].flagsocket = 1 ; break ; - case '7' : a[0][1].flagsocket = 1 ; break ; - case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ; - case 'r' : if (!uint0_scan(l.arg, &a[1][0].fd)) dieusage() ; break ; - case 'w' : if (!uint0_scan(l.arg, &a[0][1].fd)) dieusage() ; break ; - default : dieusage() ; - } - } - if (t) tain_from_millisecs(&tto, t) ; else tto = tain_infinite_relative ; - argc -= l.ind ; argv += l.ind ; - } - if ((a[0][1].fd < 3) || (a[1][0].fd < 3)) dieusage() ; - for (i = 0 ; i < 2 ; i++) - { - for (j = 0 ; j < 2 ; j++) - if (ndelay_on(a[i][j].fd) == -1) strerr_diefu1sys(111, "ndelay_on") ; - if (!iobuffer_init(&b[i], a[i][0].fd, a[i][1].fd) < 0) strerr_diefu1sys(111, "iobuffer_init") ; - } - if (sig_ignore(SIGPIPE) == -1) strerr_diefu1sys(111, "sig_ignore") ; - tain_now_g() ; - x[0].fd = selfpipe_init() ; - if (x[0].fd < 0) strerr_diefu1sys(111, "selfpipe_init") ; - if (selfpipe_trap(SIGTERM) < 0) - strerr_diefu1sys(111, "trap SIGTERM") ; - - for (;;) - { - tain_t deadline ; - unsigned int xlen = 1 ; - int r ; - - tain_add_g(&deadline, iobuffer_isempty(&b[0]) && iobuffer_isempty(&b[1]) ? &tto : &tain_infinite_relative) ; - for (i = 0 ; i < 2 ; i++) - { - a[i][0].xindex = 5 ; - if (a[i][0].flagopen && iobuffer_isreadable(&b[i])) - { - x[xlen].fd = a[i][0].fd ; - x[xlen].events = IOPAUSE_READ ; - a[i][0].xindex = xlen++ ; - } - a[i][1].xindex = 5 ; - if (a[i][1].flagopen) - { - x[xlen].fd = a[i][1].fd ; - x[xlen].events = IOPAUSE_EXCEPT | (iobuffer_isempty(&b[i]) ? 0 : IOPAUSE_WRITE) ; - a[i][1].xindex = xlen++ ; - } - } - if (xlen <= 1) break ; - - r = iopause_g(x, xlen, &deadline) ; - if (r < 0) strerr_diefu1sys(111, "iopause") ; - else if (!r) return 1 ; - - if (x[0].revents & IOPAUSE_READ) handle_signals() ; - - for (i = 0 ; i < 2 ; i++) if (a[i][1].xindex < 5) - { - if (x[a[i][1].xindex].revents & IOPAUSE_WRITE) - { - if (!iobuffer_flush(&b[i])) - { - if (!error_isagain(errno)) x[a[i][1].xindex].revents |= IOPAUSE_EXCEPT ; - } - else if (!a[i][0].flagopen) finishit(i) ; - } - if (x[a[i][1].xindex].revents & IOPAUSE_EXCEPT) - { - if (!iobuffer_isempty(&b[i])) - { - iobuffer_flush(&b[i]) ; /* sets errno */ - strerr_warnwu3sys("write ", i ? "incoming" : "outgoing", " data") ; - } - closeit(i, 0) ; finishit(i) ; - } - } - - for (i = 0 ; i < 2 ; i++) if (a[i][0].xindex < 5) - { - if (x[a[i][0].xindex].revents & IOPAUSE_READ) - { - if (sanitize_read(iobuffer_fill(&b[i])) < 0) - { - if (errno != EPIPE) strerr_warnwu3sys("read ", i ? "incoming" : "outgoing", " data") ; - x[a[i][0].xindex].revents |= IOPAUSE_EXCEPT ; - } - } - if (x[a[i][0].xindex].revents & IOPAUSE_EXCEPT) - { - closeit(i, 0) ; - if (iobuffer_isempty(&b[i])) finishit(i) ; - } - } - } - return 0 ; -} diff --git a/src/conn-tools/s6-ipcclient.c b/src/conn-tools/s6-ipcclient.c deleted file mode 100644 index c9aba1e..0000000 --- a/src/conn-tools/s6-ipcclient.c +++ /dev/null @@ -1,66 +0,0 @@ -/* ISC license. */ - -#include <skalibs/sgetopt.h> -#include <skalibs/strerr2.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> -#include <skalibs/webipc.h> - -#define USAGE "s6-ipcclient [ -q | -Q | -v ] [ -p bindpath ] [ -l localname ] path prog..." - -int main (int argc, char const *const *argv, char const *const *envp) -{ - char const *bindpath = 0 ; - char const *localname = 0 ; - unsigned int verbosity = 1 ; - PROG = "s6-ipcclient" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "qQvp:l:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'q' : if (verbosity) verbosity-- ; break ; - case 'Q' : verbosity = 1 ; break ; - case 'v' : verbosity++ ; break ; - case 'p' : bindpath = l.arg ; break ; - case 'l' : localname = l.arg ; break ; - default : strerr_dieusage(100, USAGE) ; - } - } - argc -= l.ind ; argv += l.ind ; - } - if (argc < 2) strerr_dieusage(100, USAGE) ; - { - char modif[24 + IPCPATH_MAX] = "PROTO=IPC\0IPCLOCALPATH=" ; - unsigned int i = 23 ; - int s = ipc_stream() ; - if (s == -1) strerr_diefu1sys(111, "create socket") ; - if (bindpath && (ipc_bind(s, bindpath) == -1)) - strerr_diefu2sys(111, "bind socket to ", bindpath) ; - if (!ipc_connect(s, argv[0])) - strerr_diefu2sys(111, "connect to ", argv[0]) ; - if (verbosity >= 2) strerr_warn3x(PROG, ": connected to ", argv[0]) ; - if (localname) - { - register unsigned int n = str_len(localname) ; - if (n > IPCPATH_MAX) n = IPCPATH_MAX ; - byte_copy(modif + i, n, localname) ; - i += n ; modif[i++] = 0 ; - } - else - { - int dummy ; - if (ipc_local(s, modif + i, IPCPATH_MAX, &dummy) < 0) modif[--i] = 0 ; - else i += str_len(modif + i) + 1 ; - } - if (fd_move(6, s) < 0) - strerr_diefu2sys(111, "set up fd ", "6") ; - if (fd_copy(7, 6) < 0) - strerr_diefu2sys(111, "set up fd ", "7") ; - pathexec_r(argv+1, envp, env_len(envp), modif, i) ; - } - strerr_dieexec(111, argv[1]) ; -} diff --git a/src/conn-tools/s6-ipcserver-access.c b/src/conn-tools/s6-ipcserver-access.c deleted file mode 100644 index 183f56c..0000000 --- a/src/conn-tools/s6-ipcserver-access.c +++ /dev/null @@ -1,211 +0,0 @@ -/* ISC license. */ - -#include <unistd.h> -#include <errno.h> -#include <skalibs/gccattributes.h> -#include <skalibs/uint.h> -#include <skalibs/strerr2.h> -#include <skalibs/sgetopt.h> -#include <skalibs/cdb.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> -#include <skalibs/webipc.h> -#include <execline/config.h> -#include <s6-networking/accessrules.h> - -#define USAGE "s6-ipcserver-access [ -v verbosity ] [ -e | -E ] [ -l localname ] [ -i rulesdir | -x rulesfile ] prog..." - -static unsigned int verbosity = 1 ; - - /* Utility functions */ - -static inline void dieusage (void) gccattr_noreturn ; -static inline void dieusage () -{ - strerr_dieusage(100, USAGE) ; -} - -static inline void dienomem (void) gccattr_noreturn ; -static inline void dienomem () -{ - strerr_diefu1sys(111, "update environment") ; -} - -static inline void X (void) gccattr_noreturn ; -static inline void X () -{ - strerr_dief1x(101, "internal inconsistency. Please submit a bug-report.") ; -} - - - /* Logging */ - -static void logit (unsigned int pid, unsigned int uid, unsigned int gid, int h) -{ - char fmtpid[UINT_FMT] ; - char fmtuid[UINT_FMT] ; - char fmtgid[UINT_FMT] ; - fmtpid[uint_fmt(fmtpid, pid)] = 0 ; - fmtuid[uint_fmt(fmtuid, uid)] = 0 ; - fmtgid[uint_fmt(fmtgid, gid)] = 0 ; - if (h) strerr_warni7x("allow", " pid ", fmtpid, " uid ", fmtuid, " gid ", fmtgid) ; - else strerr_warni7sys("deny", " pid ", fmtpid, " uid ", fmtuid, " gid ", fmtgid) ; -} - -static inline void log_accept (unsigned int pid, unsigned int uid, unsigned int gid) -{ - logit(pid, uid, gid, 1) ; -} - -static inline void log_deny (unsigned int pid, unsigned int uid, unsigned int gid) -{ - logit(pid, uid, gid, 0) ; -} - - - /* Checking */ - -static s6net_accessrules_result_t check_cdb (unsigned int uid, unsigned int gid, char const *file, s6net_accessrules_params_t *params) -{ - struct cdb c = CDB_ZERO ; - int fd = open_readb(file) ; - register s6net_accessrules_result_t r ; - if (fd < 0) return -1 ; - if (cdb_init(&c, fd) < 0) strerr_diefu2sys(111, "cdb_init ", file) ; - r = s6net_accessrules_uidgid_cdb(uid, gid, &c, params) ; - cdb_free(&c) ; - fd_close(fd) ; - return r ; -} - -static inline int check (s6net_accessrules_params_t *params, char const *rules, unsigned int rulestype, unsigned int uid, unsigned int gid) -{ - char const *x = "" ; - s6net_accessrules_result_t r ; - switch (rulestype) - { - case 0 : - if (verbosity >= 2) strerr_warnw1x("invoked without a ruleset!") ; - return 1 ; - case 1 : - r = s6net_accessrules_uidgid_fs(uid, gid, rules, params) ; - x = "fs" ; - break ; - case 2 : - r = check_cdb(uid, gid, rules, params) ; - x = "cdb" ; - break ; - default : X() ; - } - switch (r) - { - case S6NET_ACCESSRULES_ERROR : strerr_diefu4sys(111, "check ", x, " ruleset in ", rules) ; - case S6NET_ACCESSRULES_ALLOW : return 1 ; - case S6NET_ACCESSRULES_DENY : return (errno = EACCES, 0) ; - case S6NET_ACCESSRULES_NOTFOUND : return (errno = ENOENT, 0) ; - default : X() ; - } -} - - -int main (int argc, char const *const *argv, char const *const *envp) -{ - s6net_accessrules_params_t params = S6NET_ACCESSRULES_PARAMS_ZERO ; - char const *rules = 0 ; - char const *localname = 0 ; - char const *proto ; - unsigned int protolen ; - unsigned int uid = 0, gid = 0 ; - unsigned int rulestype = 0 ; - int doenv = 1 ; - PROG = "s6-ipcserver-access" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "v:Eel:i:x:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'v' : if (!uint0_scan(l.arg, &verbosity)) dieusage() ; break ; - case 'E' : doenv = 0 ; break ; - case 'e' : doenv = 1 ; break ; - case 'l' : localname = l.arg ; break ; - case 'i' : rules = l.arg ; rulestype = 1 ; break ; - case 'x' : rules = l.arg ; rulestype = 2 ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - } - if (!argc) dieusage() ; - if (!*argv[0]) dieusage() ; - - proto = env_get2(envp, "PROTO") ; - if (!proto) strerr_dienotset(100, "PROTO") ; - protolen = str_len(proto) ; - - { - char const *x ; - char tmp[protolen + 11] ; - byte_copy(tmp, protolen, proto) ; - byte_copy(tmp + protolen, 11, "REMOTEEUID") ; - x = env_get2(envp, tmp) ; - if (!x) strerr_dienotset(100, tmp) ; - if (!uint0_scan(x, &uid)) strerr_dieinvalid(100, tmp) ; - tmp[protolen + 7] = 'G' ; - x = env_get2(envp, tmp) ; - if (!x) strerr_dienotset(100, tmp) ; - if (!uint0_scan(x, &gid)) strerr_dieinvalid(100, tmp) ; - } - - if (!check(¶ms, rules, rulestype, uid, gid)) - { - if (verbosity >= 2) log_deny(getpid(), uid, gid) ; - return 1 ; - } - if (verbosity) log_accept(getpid(), uid, gid) ; - - if (doenv) - { - char tmp[protolen + 10] ; - byte_copy(tmp, protolen, proto) ; - byte_copy(tmp + protolen, 10, "LOCALPATH") ; - if (localname) - { - if (!env_addmodif(¶ms.env, tmp, localname)) dienomem() ; - } - else - { - char curname[IPCPATH_MAX+1] ; - int dummy ; - if (ipc_local(0, curname, IPCPATH_MAX+1, &dummy) < 0) - strerr_diefu1sys(111, "ipc_local") ; - if (!env_addmodif(¶ms.env, tmp, curname)) dienomem() ; - } - } - else - { - char tmp[protolen + 11] ; - byte_copy(tmp, protolen, proto) ; - byte_copy(tmp + protolen, 11, "REMOTEEUID") ; - if (!env_addmodif(¶ms.env, "PROTO", 0)) dienomem() ; - if (!env_addmodif(¶ms.env, tmp, 0)) dienomem() ; - tmp[protolen + 7] = 'G' ; - if (!env_addmodif(¶ms.env, tmp, 0)) dienomem() ; - byte_copy(tmp + protolen + 6, 5, "PATH") ; - if (!env_addmodif(¶ms.env, tmp, 0)) dienomem() ; - byte_copy(tmp + protolen, 10, "LOCALPATH") ; - if (!env_addmodif(¶ms.env, tmp, 0)) dienomem() ; - } - - if (params.exec.len) - { - char *specialargv[4] = { EXECLINE_EXTBINPREFIX "execlineb", "-c", params.exec.s, 0 } ; - pathexec_r((char const *const *)specialargv, envp, env_len(envp), params.env.s, params.env.len) ; - strerr_dieexec(111, specialargv[0]) ; - } - - pathexec_r(argv, envp, env_len(envp), params.env.s, params.env.len) ; - strerr_dieexec(111, argv[0]) ; -} diff --git a/src/conn-tools/s6-ipcserver-socketbinder.c b/src/conn-tools/s6-ipcserver-socketbinder.c deleted file mode 100644 index b5a32f3..0000000 --- a/src/conn-tools/s6-ipcserver-socketbinder.c +++ /dev/null @@ -1,49 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <skalibs/uint.h> -#include <skalibs/sgetopt.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#include <skalibs/webipc.h> - -#define USAGE "s6-ipcserver-socketbinder [ -d | -D ] [ -b backlog ] path prog..." -#define dieusage() strerr_dieusage(100, USAGE) - -int main (int argc, char const *const *argv, char const *const *envp) -{ - unsigned int backlog = 20 ; - int flagreuse = 1 ; - PROG = "s6-ipcserver-socketbinder" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "Ddb:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'D' : flagreuse = 0 ; break ; - case 'd' : flagreuse = 1 ; break ; - case 'b' : if (!uint0_scan(l.arg, &backlog)) dieusage() ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - } - if (argc < 2) dieusage() ; - close(0) ; - if (ipc_stream()) strerr_diefu1sys(111, "create socket") ; - { - mode_t m = umask(0) ; - if ((flagreuse ? ipc_bind_reuse(0, argv[0]) : ipc_bind(0, argv[0])) < 0) - strerr_diefu2sys(111, "bind to ", argv[0]) ; - umask(m) ; - } - if (ipc_listen(0, backlog) < 0) strerr_diefu2sys(111, "listen to ", argv[0]) ; - - pathexec_run(argv[1], argv + 1, envp) ; - strerr_dieexec(111, argv[1]) ; -} diff --git a/src/conn-tools/s6-ipcserver.c b/src/conn-tools/s6-ipcserver.c deleted file mode 100644 index b6546f8..0000000 --- a/src/conn-tools/s6-ipcserver.c +++ /dev/null @@ -1,128 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <limits.h> -#include <skalibs/uint.h> -#include <skalibs/gidstuff.h> -#include <skalibs/sgetopt.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#include <s6/config.h> -#include <s6-networking/config.h> - -#define USAGE "s6-ipcserver [ -q | -Q | -v ] [ -d | -D ] [ -P | -p ] [ -1 ] [ -c maxconn ] [ -C localmaxconn ] [ -b backlog ] [ -G gid,gid,... ] [ -g gid ] [ -u uid ] [ -U ] path prog..." -#define dieusage() strerr_dieusage(100, USAGE) - -int main (int argc, char const *const *argv, char const *const *envp) -{ - unsigned int verbosity = 1 ; - int flag1 = 0 ; - int flagU = 0 ; - int flaglookup = 1 ; - int flagreuse = 1 ; - unsigned int uid = 0, gid = 0 ; - gid_t gids[NGROUPS_MAX] ; - unsigned int gidn = (unsigned int)-1 ; - unsigned int maxconn = 0 ; - unsigned int localmaxconn = 0 ; - unsigned int backlog = (unsigned int)-1 ; - PROG = "s6-ipcserver" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "qQvDd1UPpc:C:b:u:g:G:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'q' : verbosity = 0 ; break ; - case 'Q' : verbosity = 1 ; break ; - case 'v' : verbosity = 2 ; break ; - case 'D' : flagreuse = 0 ; break ; - case 'd' : flagreuse = 1 ; break ; - case 'P' : flaglookup = 0 ; break ; - case 'p' : flaglookup = 1 ; break ; - case 'c' : if (!uint0_scan(l.arg, &maxconn)) dieusage() ; if (!maxconn) maxconn = 1 ; break ; - case 'C' : if (!uint0_scan(l.arg, &localmaxconn)) dieusage() ; if (!localmaxconn) localmaxconn = 1 ; break ; - case 'b' : if (!uint0_scan(l.arg, &backlog)) dieusage() ; break ; - case 'u' : if (!uint0_scan(l.arg, &uid)) dieusage() ; break ; - case 'g' : if (!uint0_scan(l.arg, &gid)) dieusage() ; break ; - case 'G' : if (!gid_scanlist(gids, NGROUPS_MAX, l.arg, &gidn) && *l.arg) dieusage() ; break ; - case '1' : flag1 = 1 ; break ; - case 'U' : flagU = 1 ; uid = 0 ; gid = 0 ; gidn = (unsigned int)-1 ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - if (argc < 2) dieusage() ; - } - - { - unsigned int m = 0 ; - unsigned int pos = 0 ; - char fmt[UINT_FMT * 5 + GID_FMT * NGROUPS_MAX] ; - char const *newargv[24 + argc] ; - newargv[m++] = S6_NETWORKING_BINPREFIX "s6-ipcserver-socketbinder" ; - if (!flagreuse) newargv[m++] = "-D" ; - if (backlog != (unsigned int)-1) - { - newargv[m++] = "-b" ; - newargv[m++] = fmt + pos ; - pos += uint_fmt(fmt + pos, backlog) ; - fmt[pos++] = 0 ; - } - newargv[m++] = "--" ; - newargv[m++] = *argv++ ; - if (flagU || uid || gid || gidn != (unsigned int)-1) - { - newargv[m++] = S6_EXTBINPREFIX "s6-applyuidgid" ; - if (flagU) newargv[m++] = "-Uz" ; - if (uid) - { - newargv[m++] = "-u" ; - newargv[m++] = fmt + pos ; - pos += uint_fmt(fmt + pos, uid) ; - fmt[pos++] = 0 ; - } - if (gid) - { - newargv[m++] = "-g" ; - newargv[m++] = fmt + pos ; - pos += uint_fmt(fmt + pos, gid) ; - fmt[pos++] = 0 ; - } - if (gidn != (unsigned int)-1) - { - newargv[m++] = "-G" ; - newargv[m++] = fmt + pos ; - pos += gid_fmtlist(fmt + pos, gids, gidn) ; - fmt[pos++] = 0 ; - } - newargv[m++] = "--" ; - } - newargv[m++] = S6_NETWORKING_BINPREFIX "s6-ipcserverd" ; - if (!verbosity) newargv[m++] = "-v0" ; - else if (verbosity == 2) newargv[m++] = "-v2" ; - if (flag1) newargv[m++] = "-1" ; - if (!flaglookup) newargv[m++] = "-P" ; - if (maxconn) - { - newargv[m++] = "-c" ; - newargv[m++] = fmt + pos ; - pos += uint_fmt(fmt + pos, maxconn) ; - fmt[pos++] = 0 ; - } - if (localmaxconn) - { - newargv[m++] = "-C" ; - newargv[m++] = fmt + pos ; - pos += uint_fmt(fmt + pos, localmaxconn) ; - fmt[pos++] = 0 ; - } - newargv[m++] = "--" ; - while (*argv) newargv[m++] = *argv++ ; - newargv[m++] = 0 ; - pathexec_run(newargv[0], newargv, envp) ; - strerr_dieexec(111, newargv[0]) ; - } -} diff --git a/src/conn-tools/s6-ipcserverd.c b/src/conn-tools/s6-ipcserverd.c deleted file mode 100644 index 4afe5cc..0000000 --- a/src/conn-tools/s6-ipcserverd.c +++ /dev/null @@ -1,399 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <sys/wait.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <signal.h> -#include <skalibs/uint.h> -#include <skalibs/gccattributes.h> -#include <skalibs/allreadwrite.h> -#include <skalibs/bytestr.h> -#include <skalibs/sgetopt.h> -#include <skalibs/strerr2.h> -#include <skalibs/diuint.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> -#include <skalibs/sig.h> -#include <skalibs/selfpipe.h> -#include <skalibs/iopause.h> -#include <skalibs/webipc.h> - -#define USAGE "s6-ipcserverd [ -v verbosity ] [ -1 ] [ -P | -p ] [ -c maxconn ] [ -C localmaxconn ] prog..." - -#define ABSOLUTE_MAXCONN 1000 - -static unsigned int maxconn = 40 ; -static unsigned int localmaxconn = 40 ; -static char fmtmaxconn[UINT_FMT+1] = "/" ; -static char fmtlocalmaxconn[UINT_FMT+1] = "/" ; -static int flaglookup = 1 ; -static unsigned int verbosity = 1 ; -static int cont = 1 ; - -static diuint *piduid ; -static unsigned int numconn = 0 ; -static diuint *uidnum ; -static unsigned int uidlen = 0 ; - - - /* Utility functions */ - -static inline void dieusage () -{ - strerr_dieusage(100, USAGE) ; -} - -static inline void X (void) -{ - strerr_dief1x(101, "internal inconsistency. Please submit a bug-report.") ; -} - - - /* Lookup primitives */ - -static unsigned int lookup_diuint (diuint const *tab, unsigned int tablen, unsigned int key) -{ - register unsigned int i = 0 ; - for (; i < tablen ; i++) if (key == tab[i].left) break ; - return i ; -} - -static inline unsigned int lookup_pid (unsigned int pid) -{ - return lookup_diuint(piduid, numconn, pid) ; -} - -static inline unsigned int lookup_uid (unsigned int uid) -{ - return lookup_diuint(uidnum, uidlen, uid) ; -} - - - /* Logging */ - -static inline void log_start (void) -{ - strerr_warni1x("starting") ; -} - -static inline void log_exit (void) -{ - strerr_warni1x("exiting") ; -} - -static void log_status (void) -{ - char fmt[UINT_FMT] ; - fmt[uint_fmt(fmt, numconn)] = 0 ; - strerr_warni3x("status: ", fmt, fmtmaxconn) ; -} - -static void log_deny (unsigned int uid, unsigned int gid, unsigned int num) -{ - char fmtuid[UINT_FMT] = "?" ; - char fmtgid[UINT_FMT] = "?" ; - char fmtnum[UINT_FMT] = "?" ; - if (flaglookup) - { - fmtuid[uint_fmt(fmtuid, uid)] = 0 ; - fmtgid[uint_fmt(fmtgid, gid)] = 0 ; - fmtnum[uint_fmt(fmtnum, num)] = 0 ; - } - strerr_warni7sys("deny ", fmtuid, ":", fmtgid, " count ", fmtnum, fmtlocalmaxconn) ; -} - -static void log_accept (unsigned int pid, unsigned int uid, unsigned int gid, unsigned int num) -{ - char fmtuidgid[UINT_FMT * 2 + 1] = "?:?" ; - char fmtpid[UINT_FMT] ; - char fmtnum[UINT_FMT] = "?" ; - if (flaglookup) - { - register unsigned int n = uint_fmt(fmtuidgid, uid) ; - fmtuidgid[n++] = ':' ; - n += uint_fmt(fmtuidgid + n, gid) ; - fmtuidgid[n] = 0 ; - fmtnum[uint_fmt(fmtnum, num)] = 0 ; - } - fmtpid[uint_fmt(fmtpid, pid)] = 0 ; - strerr_warni7x("allow ", fmtuidgid, " pid ", fmtpid, " count ", fmtnum, fmtlocalmaxconn) ; -} - -static void log_close (unsigned int pid, unsigned int uid, int w) -{ - char fmtpid[UINT_FMT] ; - char fmtuid[UINT_FMT] = "?" ; - char fmtw[UINT_FMT] ; - fmtpid[uint_fmt(fmtpid, pid)] = 0 ; - if (flaglookup) fmtuid[uint_fmt(fmtuid, uid)] = 0 ; - fmtw[uint_fmt(fmtw, WIFSIGNALED(w) ? WTERMSIG(w) : WEXITSTATUS(w))] = 0 ; - strerr_warni6x("end pid ", fmtpid, " uid ", fmtuid, WIFSIGNALED(w) ? " signal " : " exitcode ", fmtw) ; -} - - - /* Signal handling */ - -static void killthem (int sig) -{ - register unsigned int i = 0 ; - for (; i < numconn ; i++) kill(piduid[i].left, sig) ; -} - -static void wait_children (void) -{ - for (;;) - { - unsigned int i ; - int w ; - register pid_t pid = wait_nohang(&w) ; - if (pid < 0) - if (errno != ECHILD) strerr_diefu1sys(111, "wait_nohang") ; - else break ; - else if (!pid) break ; - i = lookup_pid(pid) ; - if (i < numconn) - { - unsigned int uid = piduid[i].right ; - register unsigned int j = lookup_uid(uid) ; - if (j >= uidlen) X() ; - if (!--uidnum[j].right) uidnum[j] = uidnum[--uidlen] ; - piduid[i] = piduid[--numconn] ; - if (verbosity >= 2) - { - log_close(pid, uid, w) ; - log_status() ; - } - } - } -} - -static void handle_signals (void) -{ - for (;;) switch (selfpipe_read()) - { - case -1 : strerr_diefu1sys(111, "read selfpipe") ; - case 0 : return ; - case SIGCHLD : wait_children() ; break ; - case SIGTERM : - { - if (verbosity >= 2) - strerr_warni3x("received ", "SIGTERM,", " quitting") ; - cont = 0 ; - break ; - } - case SIGHUP : - { - if (verbosity >= 2) - strerr_warni5x("received ", "SIGHUP,", " sending ", "SIGTERM+SIGCONT", " to all connections") ; - killthem(SIGTERM) ; - killthem(SIGCONT) ; - break ; - } - case SIGQUIT : - { - if (verbosity >= 2) - strerr_warni6x("received ", "SIGQUIT,", " sending ", "SIGTERM+SIGCONT", " to all connections", " and quitting") ; - cont = 0 ; - killthem(SIGTERM) ; - killthem(SIGCONT) ; - break ; - } - case SIGABRT : - { - if (verbosity >= 2) - strerr_warni6x("received ", "SIGABRT,", " sending ", "SIGKILL", " to all connections", " and quitting") ; - cont = 0 ; - killthem(SIGKILL) ; - break ; - } - default : X() ; - } -} - - - /* New connection handling */ - -static void run_child (int, unsigned int, unsigned int, unsigned int, char const *, char const *const *, char const *const *) gccattr_noreturn ; -static void run_child (int s, unsigned int uid, unsigned int gid, unsigned int num, char const *remotepath, char const *const *argv, char const *const *envp) -{ - unsigned int rplen = str_len(remotepath) + 1 ; - unsigned int n = 0 ; - char fmt[65 + UINT_FMT * 3 + rplen] ; - PROG = "s6-ipcserver (child)" ; - if ((fd_move(0, s) < 0) || (fd_copy(1, 0) < 0)) - strerr_diefu1sys(111, "move fds") ; - byte_copy(fmt+n, 23, "PROTO=IPC\0IPCREMOTEEUID") ; n += 23 ; - if (flaglookup) - { - fmt[n++] = '=' ; - n += uint_fmt(fmt+n, uid) ; - } - fmt[n++] = 0 ; - byte_copy(fmt+n, 13, "IPCREMOTEEGID") ; n += 13 ; - if (flaglookup) - { - fmt[n++] = '=' ; - n += uint_fmt(fmt+n, gid) ; - } - fmt[n++] = 0 ; - byte_copy(fmt+n, 11, "IPCCONNNUM=") ; n += 11 ; - if (flaglookup) n += uint_fmt(fmt+n, num) ; - fmt[n++] = 0 ; - byte_copy(fmt+n, 14, "IPCREMOTEPATH=") ; n += 14 ; - byte_copy(fmt+n, rplen, remotepath) ; n += rplen ; - pathexec_r(argv, envp, env_len(envp), fmt, n) ; - strerr_dieexec(111, argv[0]) ; -} - -static void new_connection (int s, char const *remotepath, char const *const *argv, char const *const *envp) -{ - unsigned int uid = 0, gid = 0 ; - unsigned int num, i ; - register pid_t pid ; - if (flaglookup && (ipc_eid(s, &uid, &gid) < 0)) - { - if (verbosity) strerr_warnwu1sys("ipc_eid") ; - return ; - } - i = lookup_uid(uid) ; - num = (i < uidlen) ? uidnum[i].right : 0 ; - if (num >= localmaxconn) - { - log_deny(uid, gid, num) ; - return ; - } - pid = fork() ; - if (pid < 0) - { - if (verbosity) strerr_warnwu1sys("fork") ; - return ; - } - else if (!pid) - { - selfpipe_finish() ; - run_child(s, uid, gid, num+1, remotepath, argv, envp) ; - } - - if (i < uidlen) uidnum[i].right = num + 1 ; - else - { - uidnum[uidlen].left = uid ; - uidnum[uidlen++].right = 1 ; - } - piduid[numconn].left = (unsigned int)pid ; - piduid[numconn++].right = uid ; - if (verbosity >= 2) - { - log_accept((unsigned int)pid, uid, gid, uidnum[i].right) ; - log_status() ; - } -} - - - /* And the main */ - -int main (int argc, char const *const *argv, char const *const *envp) -{ - iopause_fd x[2] = { { .events = IOPAUSE_READ }, { .fd = 0, .events = IOPAUSE_READ | IOPAUSE_EXCEPT } } ; - PROG = "s6-ipcserverd" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - int flag1 = 0 ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "Pp1c:C:v:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'P' : flaglookup = 0 ; break ; - case 'p' : flaglookup = 1 ; break ; - case '1' : flag1 = 1 ; break ; - case 'c' : if (!uint0_scan(l.arg, &maxconn)) dieusage() ; break ; - case 'C' : if (!uint0_scan(l.arg, &localmaxconn)) dieusage() ; break ; - case 'v' : if (!uint0_scan(l.arg, &verbosity)) dieusage() ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - if (!argc || !*argv[0]) dieusage() ; - { - struct stat st ; - if (fstat(0, &st) < 0) strerr_diefu1sys(111, "fstat stdin") ; - if (!S_ISSOCK(st.st_mode)) strerr_dief1x(100, "stdin is not a socket") ; - } - if (coe(0) < 0) strerr_diefu1sys(111, "make socket close-on-exec") ; - if (flag1) - { - if (fcntl(1, F_GETFD) < 0) - strerr_dief1sys(100, "called with option -1 but stdout said") ; - } - else close(1) ; - if (!maxconn) maxconn = 1 ; - if (maxconn > ABSOLUTE_MAXCONN) maxconn = ABSOLUTE_MAXCONN ; - if (!flaglookup || (localmaxconn > maxconn)) localmaxconn = maxconn ; - - x[0].fd = selfpipe_init() ; - if (x[0].fd == -1) strerr_diefu1sys(111, "create selfpipe") ; - if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ; - { - sigset_t set ; - sigemptyset(&set) ; - sigaddset(&set, SIGCHLD) ; - sigaddset(&set, SIGTERM) ; - sigaddset(&set, SIGHUP) ; - sigaddset(&set, SIGQUIT) ; - sigaddset(&set, SIGABRT) ; - if (selfpipe_trapset(&set) < 0) strerr_diefu1sys(111, "trap signals") ; - } - - fmtlocalmaxconn[1+uint_fmt(fmtlocalmaxconn+1, localmaxconn)] = 0 ; - if (verbosity >= 2) - { - fmtmaxconn[1+uint_fmt(fmtmaxconn+1, maxconn)] = 0 ; - log_start() ; - log_status() ; - } - if (flag1) - { - fd_write(1, "\n", 1) ; - fd_close(1) ; - } - } - - { - diuint inyostack[maxconn + (flaglookup ? maxconn : 1)] ; - piduid = inyostack ; uidnum = inyostack + maxconn ; - - while (cont) - { - if (iopause_g(x, 1 + (numconn < maxconn), 0) < 0) - strerr_diefu1sys(111, "iopause") ; - - if (x[0].revents & IOPAUSE_EXCEPT) strerr_dief1x(111, "trouble with selfpipe") ; - if (x[0].revents & IOPAUSE_READ) handle_signals() ; - if (numconn < maxconn) - { - if (x[1].revents & IOPAUSE_EXCEPT) strerr_dief1x(111, "trouble with socket") ; - if (x[1].revents & IOPAUSE_READ) - { - int dummy ; - char remotepath[IPCPATH_MAX+1] ; - register int s = ipc_accept(x[1].fd, remotepath, IPCPATH_MAX+1, &dummy) ; - if (s < 0) - { - if (verbosity) strerr_warnwu1sys("accept") ; - } - else - { - new_connection(s, remotepath, argv, envp) ; - fd_close(s) ; - } - } - } - } - } - if (verbosity >= 2) log_exit() ; - return 0 ; -} diff --git a/src/conn-tools/s6-sudo.c b/src/conn-tools/s6-sudo.c deleted file mode 100644 index 5e91951..0000000 --- a/src/conn-tools/s6-sudo.c +++ /dev/null @@ -1,67 +0,0 @@ -/* ISC license. */ - -#include <skalibs/uint.h> -#include <skalibs/sgetopt.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#include <s6-networking/config.h> - -#define USAGE "s6-sudo [ -q | -Q | -v ] [ -p bindpath ] [ -l localname ] [ -e ] [ -t timeout ] [ -T timeoutrun ] path [ args... ]" -#define dieusage() strerr_dieusage(100, USAGE) - -int main (int argc, char const *const *argv, char const *const *envp) -{ - unsigned int verbosity = 1, t = 0, T = 0 ; - char const *bindpath = 0 ; - char const *localname = 0 ; - int nodoenv = 0 ; - PROG = "s6-sudo" ; - { - subgetopt_t l = SUBGETOPT_ZERO ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "qQvp:l:et:T:", &l) ; - if (opt == -1) break ; - switch (opt) - { - case 'q' : if (verbosity) verbosity-- ; break ; - case 'Q' : verbosity = 1 ; break ; - case 'v' : verbosity++ ; break ; - case 'p' : bindpath = l.arg ; break ; - case 'l' : localname = l.arg ; break ; - case 'e' : nodoenv = 1 ; break ; - case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ; - case 'T' : if (!uint0_scan(l.arg, &T)) dieusage() ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - } - if (!argc) dieusage() ; - { - char const *eargv[9 + argc + ((verbosity < 2 ? 1 : verbosity-1)) + ((!!bindpath + !!localname) << 1) + nodoenv] ; - char fmt1[UINT_FMT] ; - char fmt2[UINT_FMT] ; - unsigned int n = 0 ; - eargv[n++] = S6_NETWORKING_BINPREFIX "s6-ipcclient" ; - if (!verbosity) eargv[n++] = "-Q" ; - else while (--verbosity) eargv[n++] = "-v" ; - if (bindpath) { eargv[n++] = "-p" ; eargv[n++] = bindpath ; } - if (localname) { eargv[n++] = "-l" ; eargv[n++] = localname ; } - eargv[n++] = "--" ; - eargv[n++] = *argv++ ; argc-- ; - eargv[n++] = S6_NETWORKING_BINPREFIX "s6-sudoc" ; - if (nodoenv) eargv[n++] = "-e" ; - eargv[n++] = "-t" ; - fmt1[uint_fmt(fmt1, t)] = 0 ; - eargv[n++] = fmt1 ; - eargv[n++] = "-T" ; - fmt2[uint_fmt(fmt2, T)] = 0 ; - eargv[n++] = fmt2 ; - eargv[n++] = "--" ; - while (argc--) eargv[n++] = *argv++ ; - eargv[n++] = 0 ; - pathexec_run(eargv[0], eargv, envp) ; - } - strerr_dieexec(111, S6_NETWORKING_BINPREFIX "s6-ipcclient") ; -} diff --git a/src/conn-tools/s6-sudo.h b/src/conn-tools/s6-sudo.h deleted file mode 100644 index 8c5797f..0000000 --- a/src/conn-tools/s6-sudo.h +++ /dev/null @@ -1,11 +0,0 @@ -/* ISC license. */ - -#ifndef S6_SUDO_H -#define S6_SUDO_H - -#define S6_SUDO_BANNERB "s6-sudo b v1.0\n" -#define S6_SUDO_BANNERB_LEN (sizeof(S6_SUDO_BANNERB) - 1) -#define S6_SUDO_BANNERA "s6-sudo a v1.0\n" -#define S6_SUDO_BANNERA_LEN (sizeof(S6_SUDO_BANNERA) - 1) - -#endif diff --git a/src/conn-tools/s6-sudoc.c b/src/conn-tools/s6-sudoc.c deleted file mode 100644 index 823d7cb..0000000 --- a/src/conn-tools/s6-sudoc.c +++ /dev/null @@ -1,115 +0,0 @@ -/* ISC license. */ - -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <sys/wait.h> -#include <skalibs/uint.h> -#include <skalibs/sgetopt.h> -#include <skalibs/bytestr.h> -#include <skalibs/buffer.h> -#include <skalibs/stralloc.h> -#include <skalibs/strerr2.h> -#include <skalibs/djbunix.h> -#include <skalibs/tai.h> -#include <skalibs/env.h> -#include <skalibs/unix-timed.h> -#include <skalibs/unixmessage.h> -#include "s6-sudo.h" - -#define USAGE "s6-sudoc [ -e ] [ -t timeoutconn ] [ -T timeoutrun ] [ args... ]" -#define dieusage() strerr_dieusage(100, USAGE) -#define dienomem() strerr_diefu1sys(111, "stralloc_catb") - -int main (int argc, char const *const *argv, char const *const *envp) -{ - char buf6[64] ; - buffer b6 = BUFFER_INIT(&buffer_read, 6, buf6, 64) ; - unixmessage_sender_t b7 = UNIXMESSAGE_SENDER_INIT(7) ; - subgetopt_t l = SUBGETOPT_ZERO ; - unsigned int t = 0, T = 0 ; - int doenv = 1 ; - - tain_t deadline = TAIN_INFINITE_RELATIVE ; - PROG = "s6-sudoc" ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "et:T:", &l) ; - if (opt < 0) break ; - switch (opt) - { - case 'e' : doenv = 0 ; break ; - case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ; - case 'T' : if (!uint0_scan(l.arg, &T)) dieusage() ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - if (t) tain_from_millisecs(&deadline, t) ; - if ((ndelay_on(6) < 0) || (ndelay_on(7) < 0)) - strerr_diefu1sys(111, "make socket non-blocking") ; - if (!fd_sanitize() || !fd_ensure_open(2, 1)) - strerr_diefu1sys(111, "sanitize stdin/stdout/stderr") ; - - tain_now_g() ; - tain_add_g(&deadline, &deadline) ; - { - char tmp[S6_SUDO_BANNERB_LEN] ; - if (buffer_timed_get_g(&b6, tmp, S6_SUDO_BANNERB_LEN, &deadline) < S6_SUDO_BANNERB_LEN) - strerr_diefu1sys(111, "read banner from s6-sudod") ; - if (str_diffn(tmp, S6_SUDO_BANNERB, S6_SUDO_BANNERB_LEN)) - strerr_dief1x(100, "wrong server banner") ; - } - { - int fds[3] = { 0, 1, 2 } ; - char pack[16] ; - siovec_t v[4] = { - { .s = S6_SUDO_BANNERA, .len = S6_SUDO_BANNERA_LEN }, - { .s = pack, .len = 16 }, - { .s = 0, .len = 0 }, - { .s = 0, .len = 0 } } ; - unixmessage_v_t mv = { .v = v, .vlen = 4, .fds = fds, .nfds = 3 } ; - stralloc sa = STRALLOC_ZERO ; - unsigned int envlen = doenv ? env_len(envp) : 0 ; - uint32_pack_big(pack, (uint32)argc) ; - uint32_pack_big(pack + 4, (uint32)envlen) ; - if (!env_string(&sa, argv, argc)) dienomem() ; - v[2].len = sa.len ; - uint32_pack_big(pack + 8, (uint32)v[2].len) ; - if (doenv) - { - if (!env_string(&sa, envp, envlen)) dienomem() ; - v[3].len = sa.len - v[2].len ; - } - uint32_pack_big(pack + 12, (uint32)v[3].len) ; - v[2].s = sa.s ; - v[3].s = sa.s + v[2].len ; - if (!unixmessage_putv_and_close(&b7, &mv, (unsigned char const *)"\003")) - strerr_diefu1sys(111, "unixmessage_putv") ; - stralloc_free(&sa) ; - } - if (!unixmessage_sender_timed_flush_g(&b7, &deadline)) - strerr_diefu1sys(111, "send args to server") ; - unixmessage_sender_free(&b7) ; - { - char c ; - if (buffer_timed_get_g(&b6, &c, 1, &deadline) < 1) - strerr_diefu1sys(111, "get confirmation from server") ; - if (c) - { - errno = c ; - strerr_diefu1sys(111, "start privileged program: server answered: ") ; - } - } - - if (T) tain_from_millisecs(&deadline, T) ; else deadline = tain_infinite_relative ; - tain_add_g(&deadline, &deadline) ; - { - char pack[UINT_PACK] ; - if (buffer_timed_get_g(&b6, pack, UINT_PACK, &deadline) < UINT_PACK) - strerr_diefu1sys(111, "get exit status from server") ; - uint_unpack_big(pack, &t) ; - } - if (WIFSIGNALED(t)) raise(WTERMSIG(t)) ; - return WEXITSTATUS(t) ; -} diff --git a/src/conn-tools/s6-sudod.c b/src/conn-tools/s6-sudod.c deleted file mode 100644 index 8c52bb9..0000000 --- a/src/conn-tools/s6-sudod.c +++ /dev/null @@ -1,233 +0,0 @@ -/* ISC license. */ - -#include <sys/types.h> -#include <unistd.h> -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <skalibs/uint.h> -#include <skalibs/allreadwrite.h> -#include <skalibs/sgetopt.h> -#include <skalibs/bytestr.h> -#include <skalibs/buffer.h> -#include <skalibs/stralloc.h> -#include <skalibs/strerr2.h> -#include <skalibs/tai.h> -#include <skalibs/iopause.h> -#include <skalibs/selfpipe.h> -#include <skalibs/env.h> -#include <skalibs/djbunix.h> -#include <skalibs/unix-timed.h> -#include <skalibs/unixmessage.h> -#include "s6-sudo.h" - -#define USAGE "s6-sudod [ -0 ] [ -1 ] [ -2 ] [ -t timeout ] args..." -#define dieusage() strerr_dieusage(100, USAGE) -#define dienomem() strerr_diefu1sys(111, "stralloc_catb") - -int main (int argc, char const *const *argv, char const *const *envp) -{ - subgetopt_t l = SUBGETOPT_ZERO ; - unixmessage_t m ; - unsigned int nullfds = 0, t = 2000 ; - pid_t pid ; - uint32 envc = env_len(envp) ; - uint32 cargc, cenvc, carglen, cenvlen ; - int spfd ; - tain_t deadline = TAIN_INFINITE_RELATIVE ; - PROG = "s6-sudod" ; - for (;;) - { - register int opt = subgetopt_r(argc, argv, "012t:", &l) ; - if (opt < 0) break ; - switch (opt) - { - case '0' : nullfds |= 1 ; break ; - case '1' : nullfds |= 2 ; break ; - case '2' : nullfds |= 4 ; break ; - case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ; - default : dieusage() ; - } - } - argc -= l.ind ; argv += l.ind ; - if (t) tain_from_millisecs(&deadline, t) ; - if ((ndelay_on(0) < 0) || (ndelay_on(1) < 0)) - strerr_diefu1sys(111, "make socket non-blocking") ; - - tain_now_g() ; - tain_add_g(&deadline, &deadline) ; - buffer_putnoflush(buffer_1small, S6_SUDO_BANNERB, S6_SUDO_BANNERB_LEN) ; - if (!buffer_timed_flush_g(buffer_1small, &deadline)) - strerr_diefu1sys(111, "write banner to client") ; - if (unixmessage_timed_receive_g(unixmessage_receiver_0, &m, &deadline) <= 0) - strerr_diefu1sys(111, "read message from client") ; - if (m.nfds != 3) - strerr_dief1x(100, "client did not send 3 fds") ; - if (m.len < 16 + S6_SUDO_BANNERA_LEN) - strerr_dief1x(100, "wrong client message") ; - if (str_diffn(m.s, S6_SUDO_BANNERA, S6_SUDO_BANNERA_LEN)) - strerr_dief1x(100, "wrong client banner") ; - uint32_unpack_big(m.s + S6_SUDO_BANNERA_LEN, &cargc) ; - uint32_unpack_big(m.s + S6_SUDO_BANNERA_LEN + 4, &cenvc) ; - uint32_unpack_big(m.s + S6_SUDO_BANNERA_LEN + 8, &carglen) ; - uint32_unpack_big(m.s + S6_SUDO_BANNERA_LEN + 12, &cenvlen) ; - if (S6_SUDO_BANNERA_LEN + 16 + carglen + cenvlen != m.len) - strerr_dief1x(100, "wrong client argc/envlen") ; - if ((cargc > 131072) || (cenvc > 131072)) - strerr_dief1x(100, "too many args/envvars from client") ; - - if (nullfds & 1) - { - close(m.fds[0]) ; - m.fds[0] = open2("/dev/null", O_RDONLY) ; - if (m.fds[0] < 0) strerr_diefu2sys(111, "open /dev/null for ", "reading") ; - } - if (nullfds & 2) - { - close(m.fds[1]) ; - m.fds[1] = open2("/dev/null", O_WRONLY) ; - if (m.fds[1] < 0) strerr_diefu2sys(111, "open /dev/null for ", "writing") ; - } - if (nullfds & 4) - { - close(m.fds[2]) ; - m.fds[2] = 2 ; - } - - { - char const *targv[argc + 1 + cargc] ; - char const *tenvp[envc + 1 + cenvc] ; - int p[2] ; - register unsigned int i = 0 ; - for (; i < (unsigned int)argc ; i++) targv[i] = argv[i] ; - for (i = 0 ; i <= envc ; i++) tenvp[i] = envp[i] ; - if (!env_make(targv + argc, cargc, m.s + S6_SUDO_BANNERA_LEN + 16, carglen)) - { - char c = errno ; - buffer_putnoflush(buffer_1small, &c, 1) ; - buffer_timed_flush_g(buffer_1small, &deadline) ; - errno = c ; - strerr_diefu1sys(111, "make child argv") ; - } - if (!env_make(tenvp + envc + 1, cenvc, m.s + S6_SUDO_BANNERA_LEN + 16 + carglen, cenvlen)) - { - char c = errno ; - buffer_putnoflush(buffer_1small, &c, 1) ; - buffer_timed_flush_g(buffer_1small, &deadline) ; - errno = c ; - strerr_diefu1sys(111, "make child envp") ; - } - targv[argc + cargc] = 0 ; - - for (i = 0 ; i < cenvc ; i++) - { - char const *var = tenvp[envc + 1 + i] ; - register unsigned int j = 0 ; - register unsigned int len = str_chr(var, '=') ; - if (!var[len]) - { - char c = EINVAL ; - buffer_putnoflush(buffer_1small, &c, 1) ; - buffer_timed_flush_g(buffer_1small, &deadline) ; - strerr_dief1x(100, "bad environment from client") ; - } - for (; j < envc ; j++) if (!str_diffn(var, tenvp[j], len+1)) break ; - if ((j < envc) && !tenvp[j][len+1]) tenvp[j] = var ; - } - - spfd = selfpipe_init() ; - if (spfd < 0) strerr_diefu1sys(111, "selfpipe_init") ; - if (selfpipe_trap(SIGCHLD) < 0) strerr_diefu1sys(111, "trap SIGCHLD") ; - if (pipe(p) < 0) strerr_diefu1sys(111, "pipe") ; - if (coe(p[1]) < 0) strerr_diefu1sys(111, "coe pipe") ; - pid = fork() ; - if (pid < 0) strerr_diefu1sys(111, "fork") ; - if (!pid) - { - PROG = "s6-sudod (child)" ; - fd_close(p[0]) ; - if ((fd_move(2, m.fds[2]) < 0) - || (fd_move(1, m.fds[1]) < 0) - || (fd_move(0, m.fds[0]) < 0)) - { - char c = errno ; - fd_write(p[1], &c, 1) ; - strerr_diefu1sys(111, "move fds") ; - } - selfpipe_finish() ; - pathexec0_run(targv, tenvp) ; - { - char c = errno ; - fd_write(p[1], &c, 1) ; - } - strerr_dieexec(111, targv[0]) ; - } - fd_close(p[1]) ; - { - char c ; - register int r = fd_read(p[0], &c, 1) ; - if (r < 0) strerr_diefu1sys(111, "read from child") ; - if (r) - { - buffer_putnoflush(buffer_1small, &c, 1) ; - buffer_timed_flush_g(buffer_1small, &deadline) ; - return 111 ; - } - } - fd_close(p[0]) ; - } - - fd_close(m.fds[0]) ; - fd_close(m.fds[1]) ; - if (!(nullfds & 4)) fd_close(m.fds[2]) ; - unixmessage_receiver_free(unixmessage_receiver_0) ; - buffer_putnoflush(buffer_1small, "", 1) ; - if (!buffer_timed_flush_g(buffer_1small, &deadline)) - strerr_diefu1sys(111, "send confirmation to client") ; - - { - iopause_fd x[2] = { { .fd = 0, .events = 0 }, { .fd = spfd, .events = IOPAUSE_READ } } ; - int cont = 1 ; - while (cont) - { - if (iopause_g(x, 2, 0) < 0) strerr_diefu1sys(111, "iopause") ; - if (x[1].revents) - { - for (;;) - { - int c = selfpipe_read() ; - if (c < 0) strerr_diefu1sys(111, "read from selfpipe") ; - else if (!c) break ; - else if (c == SIGCHLD) - { - int wstat ; - register int r = wait_pid_nohang(pid, &wstat) ; - if ((r < 0) && (errno != ECHILD)) - strerr_diefu1sys(111, "wait_pid_nohang") ; - else if (r > 0) - { - char pack[UINT_PACK] ; - uint_pack_big(pack, (unsigned int)wstat) ; - buffer_putnoflush(buffer_1small, pack, UINT_PACK) ; - cont = 0 ; - } - } - else - strerr_dief1sys(101, "internal inconsistency, please submit a bug-report") ; - } - } - if (x[0].revents && cont) - { - kill(pid, SIGTERM) ; - kill(pid, SIGCONT) ; - x[0].fd = -1 ; - return 1 ; - } - } - } - if (ndelay_off(1) < 0) - strerr_diefu1sys(111, "set stdout blocking") ; - if (!buffer_flush(buffer_1small)) - strerr_diefu1sys(111, "write status to client") ; - return 0 ; -} diff --git a/src/conn-tools/s6-tcpserver-access.c b/src/conn-tools/s6-tcpserver-access.c index ef2771b..db2e2a5 100644 --- a/src/conn-tools/s6-tcpserver-access.c +++ b/src/conn-tools/s6-tcpserver-access.c @@ -18,8 +18,9 @@ #include <skalibs/ip46.h> #include <skalibs/unix-timed.h> #include <execline/config.h> +#include <s6/accessrules.h> #include <s6-dns/s6dns.h> -#include <s6-networking/s6net.h> +#include <s6-networking/ident.h> #define USAGE "s6-tcpserver-access [ -v verbosity ] [ -W | -w ] [ -D | -d ] [ -H | -h ] [ -R | -r ] [ -P | -p ] [ -l localname ] [ -B banner ] [ -t timeout ] [ -i rulesdir | -x rulesfile ] prog..." #define dieusage() strerr_dieusage(100, USAGE) @@ -50,7 +51,7 @@ static inline void log_deny (unsigned int pid, ip46_t const *ip) int main (int argc, char const *const *argv, char const *const *envp) { - s6net_accessrules_params_t params = S6NET_ACCESSRULES_PARAMS_ZERO ; + s6_accessrules_params_t params = S6_ACCESSRULES_PARAMS_ZERO ; stralloc modifs = STRALLOC_ZERO ; tain_t deadline, tto ; char const *rulestypestr[3] = { "no", "fs", "cdb" } ; @@ -62,7 +63,7 @@ int main (int argc, char const *const *argv, char const *const *envp) unsigned int rulestype = 0 ; unsigned int verbosity = 1 ; unsigned int protolen ; - s6net_accessrules_result_t accepted ; + s6_accessrules_result_t accepted ; ip46_t remoteip, localip ; int flagfatal = 1, flagnodelay = 0, flagdnslookup = 1, flagident = 0, flagparanoid = 0, e = 0 ; @@ -140,17 +141,17 @@ int main (int argc, char const *const *argv, char const *const *envp) { case 0 : if (verbosity >= 2) strerr_warnw1x("invoked without a ruleset!") ; - accepted = S6NET_ACCESSRULES_ALLOW ; + accepted = S6_ACCESSRULES_ALLOW ; break ; case 1 : - accepted = s6net_accessrules_ip46_fs(&remoteip, (void *)rules, ¶ms) ; + accepted = s6_accessrules_ip46_fs(&remoteip, (void *)rules, ¶ms) ; break ; case 2 : cdbfd = open_readb(rules) ; if (cdbfd < 0) strerr_diefu2sys(111, "open_readb ", rules) ; if (cdb_init(&c, cdbfd) < 0) strerr_diefu2sys(111, "cdb_init ", rules) ; - accepted = s6net_accessrules_ip46_cdb(&remoteip, &c, ¶ms) ; - if (accepted == S6NET_ACCESSRULES_ALLOW) + accepted = s6_accessrules_ip46_cdb(&remoteip, &c, ¶ms) ; + if (accepted == S6_ACCESSRULES_ALLOW) { cdb_free(&c) ; fd_close(cdbfd) ; @@ -160,13 +161,13 @@ int main (int argc, char const *const *argv, char const *const *envp) } switch (accepted) { - case S6NET_ACCESSRULES_ERROR : + case S6_ACCESSRULES_ERROR : strerr_diefu6sys(111, "check ", rulestypestr[rulestype], " ruleset for ", "IP", " in ", rules) ; - case S6NET_ACCESSRULES_ALLOW : break ; - case S6NET_ACCESSRULES_DENY : + case S6_ACCESSRULES_ALLOW : break ; + case S6_ACCESSRULES_DENY : if (verbosity >= 2) { errno = EACCES ; log_deny(getpid(), &remoteip) ; } return 1 ; - case S6NET_ACCESSRULES_NOTFOUND : + case S6_ACCESSRULES_NOTFOUND : if (flagdnslookup) break ; if (verbosity >= 2) { errno = ENOENT ; log_deny(getpid(), &remoteip) ; } return 1 ; @@ -326,21 +327,21 @@ int main (int argc, char const *const *argv, char const *const *envp) } } if (!env_addmodif(&modifs, tcpremotehost, remotelen ? remotebuf : 0)) dienomem() ; - if (remotelen && (accepted == S6NET_ACCESSRULES_NOTFOUND)) + if (remotelen && (accepted == S6_ACCESSRULES_NOTFOUND)) { switch (rulestype) { case 1 : - accepted = s6net_accessrules_reversedns_fs(remotebuf, (void *)rules, ¶ms) ; + accepted = s6_accessrules_reversedns_fs(remotebuf, (void *)rules, ¶ms) ; break ; case 2 : - accepted = s6net_accessrules_reversedns_cdb(remotebuf, &c, ¶ms) ; + accepted = s6_accessrules_reversedns_cdb(remotebuf, &c, ¶ms) ; break ; default : X() ; } } - if ((rulestype == 2) && (accepted != S6NET_ACCESSRULES_ALLOW)) + if ((rulestype == 2) && (accepted != S6_ACCESSRULES_ALLOW)) { cdb_free(&c) ; fd_close(cdbfd) ; @@ -348,13 +349,13 @@ int main (int argc, char const *const *argv, char const *const *envp) switch (accepted) { - case S6NET_ACCESSRULES_ERROR : + case S6_ACCESSRULES_ERROR : strerr_diefu6sys(111, "check ", rulestypestr[rulestype], " ruleset for ", "reverse DNS", " in ", rules) ; - case S6NET_ACCESSRULES_ALLOW : break ; - case S6NET_ACCESSRULES_DENY : + case S6_ACCESSRULES_ALLOW : break ; + case S6_ACCESSRULES_DENY : if (verbosity >= 2) { errno = EACCES ; log_deny(getpid(), &remoteip) ; } return 1 ; - case S6NET_ACCESSRULES_NOTFOUND : + case S6_ACCESSRULES_NOTFOUND : if (verbosity >= 2) { errno = ENOENT ; log_deny(getpid(), &remoteip) ; } return 1 ; default : X() ; diff --git a/src/conn-tools/seekablepipe.c b/src/conn-tools/seekablepipe.c deleted file mode 100644 index 611f227..0000000 --- a/src/conn-tools/seekablepipe.c +++ /dev/null @@ -1,41 +0,0 @@ -/* ISC license. */ - -#include <unistd.h> -#include <skalibs/strerr2.h> -#include <skalibs/iobuffer.h> -#include <skalibs/djbunix.h> - -#define USAGE "seekablepipe tempfile prog..." - -#define N 8192 - -int main (int argc, char const *const *argv, char const *const *envp) -{ - iobuffer b ; - int fdr, fdw ; - int r ; - PROG = "seekablepipe" ; - if (argc < 3) strerr_dieusage(100, USAGE) ; - fdw = open_trunc(argv[1]) ; - if (fdw < 0) - strerr_diefu2sys(111, "create temporary ", argv[1]) ; - fdr = open_readb(argv[1]) ; - if (fdr < 0) - strerr_diefu3sys(111, "open ", argv[1], " for reading") ; - if (unlink(argv[1]) < 0) - strerr_diefu2sys(111, "unlink ", argv[1]) ; - if (ndelay_off(fdw) < 0) - strerr_diefu1sys(111, "set fdw blocking") ; - if (!iobuffer_init(&b, 0, fdw)) - strerr_diefu1sys(111, "iobuffer_init") ; - while ((r = iobuffer_fill(&b)) > 0) - if (!iobuffer_flush(&b)) - strerr_diefu2sys(111, "write to ", argv[1]) ; - if (r < 0) strerr_diefu1sys(111, "read from stdin") ; - iobuffer_finish(&b) ; - fd_close(fdw) ; - if (fd_move(0, fdr) < 0) - strerr_diefu1sys(111, "move fdr to stdin") ; - pathexec_run(argv[2], argv+2, envp) ; - strerr_dieexec(111, argv[2]) ; -} |