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author | Laurent Bercot <ska-skaware@skarnet.org> | 2020-11-21 11:58:44 +0000 |
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committer | Laurent Bercot <ska-skaware@skarnet.org> | 2020-11-21 11:58:44 +0000 |
commit | fb76faf56aca9b79648d776896a4a4fae7c978cf (patch) | |
tree | 77aed5d588534a742b7795fa9f8406469e067414 /src/tls/s6-ucspitlsd.c | |
parent | 7f2cd05720e721c7e8131d4a4762d97a29fbf7b4 (diff) | |
download | s6-networking-fb76faf56aca9b79648d776896a4a4fae7c978cf.tar.xz |
Move all tls stuff into its own subdir
Diffstat (limited to 'src/tls/s6-ucspitlsd.c')
-rw-r--r-- | src/tls/s6-ucspitlsd.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/tls/s6-ucspitlsd.c b/src/tls/s6-ucspitlsd.c new file mode 100644 index 0000000..4bfa253 --- /dev/null +++ b/src/tls/s6-ucspitlsd.c @@ -0,0 +1,88 @@ +/* ISC license. */ + +#include <stdint.h> +#include <unistd.h> + +#include <skalibs/gccattributes.h> +#include <skalibs/types.h> +#include <skalibs/sgetopt.h> +#include <skalibs/strerr2.h> +#include <skalibs/djbunix.h> +#include <skalibs/webipc.h> + +#include <s6-networking/config.h> +#include "s6tls-internal.h" + +#define USAGE "s6-ucspitlsd [ -S | -s ] [ -Y | -y ] [ -v verbosity ] [ -K timeout ] [ -Z | -z ] prog..." +#define dieusage() strerr_dieusage(100, USAGE) + +static inline void child (int [4][2], uint32_t, unsigned int, unsigned int) gccattr_noreturn ; +static inline void child (int p[4][2], uint32_t options, unsigned int verbosity, unsigned int kimeout) +{ + int fds[3] = { p[0][0], p[1][1], p[2][1] } ; + ssize_t r ; + char c ; + PROG = "s6-ucspitlsd" ; + close(p[2][0]) ; + close(p[0][1]) ; + close(p[1][0]) ; + r = read(p[2][1], &c, 1) ; + if (r < 0) strerr_diefu1sys(111, "read from control socket") ; + if (!r) _exit(0) ; + switch (c) + { + case 'y' : + close(p[2][1]) ; + p[2][1] = 0 ; /* we know 0 is open so it's a correct invalid value */ + case 'Y' : + fd_shutdown(p[2][1], 0) ; + break ; + default : + strerr_dief1x(100, "unrecognized command on control socket") ; + } + s6tls_exec_tlsdio(fds, options, verbosity, kimeout) ; +} + +int main (int argc, char const *const *argv, char const *const *envp) +{ + unsigned int verbosity = 1 ; + unsigned int kimeout = 0 ; + int p[4][2] = { [3] = { 0, 1 } } ; + uint32_t coptions = 0 ; + uint32_t poptions = 1 ; + + PROG = "s6-ucspitlsd (parent)" ; + { + subgetopt_t l = SUBGETOPT_ZERO ; + for (;;) + { + int opt = subgetopt_r(argc, argv, "SsYyv:K:Zz", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 'S' : coptions |= 4 ; break ; + case 's' : coptions &= ~4 ; break ; + case 'Y' : coptions |= 1 ; coptions &= ~2 ; break ; + case 'y' : coptions |= 3 ; break ; + case 'v' : if (!uint0_scan(l.arg, &verbosity)) dieusage() ; break ; + case 'K' : if (!uint0_scan(l.arg, &kimeout)) dieusage() ; break ; + case 'Z' : poptions &= ~1 ; break ; + case 'z' : poptions |= 1 ; break ; + default : dieusage() ; + } + } + argc -= l.ind ; argv += l.ind ; + } + if (!argc) dieusage() ; + + if (ipc_pair_b(p[2]) < 0) strerr_diefu1sys(111, "ipc_pair") ; + if (pipe(p[0]) < 0 || pipe(p[1]) < 0) strerr_diefu1sys(111, "pipe") ; + + switch (fork()) + { + case -1 : strerr_diefu1sys(111, "fork") ; + case 0 : child(p, coptions, verbosity, kimeout) ; + default : break ; + } + s6tls_ucspi_exec_app(argv, p, poptions) ; +} |