diff options
author | Jan Engelhardt <jengelh@medozas.de> | 2009-07-25 14:28:07 +0200 |
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committer | Jan Engelhardt <jengelh@medozas.de> | 2009-07-25 18:26:59 +0200 |
commit | de054f7709b20c97d3e1f16465d5617d9e7683d5 (patch) | |
tree | 36cfc5a847b00f53972f2387e737a69d5622fe92 /ip6tables-multi.c | |
parent | bb5c136dd49e04ce28b2479200f32ea8f92c1b70 (diff) |
multi binary: allow subcommand via argv[1]
libtool does not play well with symlinks when trying to run commands
in the build directory. So provide an alternate way to call
iptables-multi: when argv[0] is not a recognized name, inspect [1]
for an alternate identifer.
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'ip6tables-multi.c')
-rw-r--r-- | ip6tables-multi.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/ip6tables-multi.c b/ip6tables-multi.c index 3313bfdc..671558c5 100644 --- a/ip6tables-multi.c +++ b/ip6tables-multi.c @@ -7,26 +7,39 @@ int ip6tables_main(int argc, char **argv); int ip6tables_save_main(int argc, char **argv); int ip6tables_restore_main(int argc, char **argv); -int main(int argc, char **argv) { - char *progname; +int main(int argc, char **argv) +{ + char *progname; - if (argc == 0) { - fprintf(stderr, "no argv[0]?"); - exit(1); - } else { - progname = basename(argv[0]); + if (argc < 1) { + fprintf(stderr, "ERROR: This should not happen.\n"); + exit(EXIT_FAILURE); + } - if (!strcmp(progname, "ip6tables") || - strcmp(progname, "ip6tables-static") == 0) - return ip6tables_main(argc, argv); - - if (!strcmp(progname, "ip6tables-save")) - return ip6tables_save_main(argc, argv); - - if (!strcmp(progname, "ip6tables-restore")) - return ip6tables_restore_main(argc, argv); - - fprintf(stderr, "ip6tables multi-purpose version: unknown applet name %s\n", progname); - exit(1); - } + progname = basename(argv[0]); + if (strcmp(progname, "ip6tables") == 0) + return ip6tables_main(argc, argv); + if (strcmp(progname, "ip6tables-save") == 0) + return ip6tables_save_main(argc, argv); + if (strcmp(progname, "ip6tables-restore") == 0) + return ip6tables_restore_main(argc, argv); + + ++argv; + --argc; + if (argc < 1) { + fprintf(stderr, "ERROR: No subcommand given.\n"); + exit(EXIT_FAILURE); + } + + progname = basename(argv[0]); + if (strcmp(progname, "main") == 0) + return ip6tables_main(argc, argv); + if (strcmp(progname, "save") == 0) + return ip6tables_save_main(argc, argv); + if (strcmp(progname, "restore") == 0) + return ip6tables_restore_main(argc, argv); + + fprintf(stderr, "ip6tables multi-purpose version: " + "unknown subcommand \"%s\"\n", progname); + exit(EXIT_FAILURE); } |