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Pledge dns for the fork too in case of hostname lookup - geomyidae - A small C-… |
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git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfri… |
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--- |
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commit 50a7926572a40172d5c2ffe870d41ca7dc9d7046 |
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parent dd3f998b716d869d25af0df0d94685d56e882bd1 |
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Author: Quentin Rameau <[email protected]> |
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Date: Wed, 27 Jun 2018 10:34:25 +0200 |
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Pledge dns for the fork too in case of hostname lookup |
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Signed-off-by: Christoph Lohmann <[email protected]> |
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Diffstat: |
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M main.c | 10 ++++++---- |
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1 file changed, 6 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/main.c b/main.c |
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@@ -539,8 +539,8 @@ main(int argc, char *argv[]) |
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cltlen = sizeof(clt); |
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#ifdef __OpenBSD__ |
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- char *promises = (char[30]){}; |
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- snprintf(promises, 30, "rpath inet stdio proc exec %s", |
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+ char promises[31]; /* check the size needed in the fork too */ |
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+ snprintf(promises, sizeof(promises), "rpath inet stdio proc exec %s", |
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revlookup ? "dns" : ""); |
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if (pledge(promises, NULL) == -1) { |
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perror("pledge"); |
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@@ -587,8 +587,10 @@ main(int argc, char *argv[]) |
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signal(SIGALRM, SIG_DFL); |
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#ifdef __OpenBSD__ |
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- promises = nocgi ? "rpath inet stdio" : |
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- "rpath inet stdio proc exec"; |
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+ snprintf(promises, sizeof(promises), |
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+ "rpath inet stdio %s %s", |
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+ nocgi ? "" : "proc exec", |
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+ revlookup ? "dns" : ""); |
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if (pledge(promises, NULL) == -1) { |
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perror("pledge"); |
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exit(1); |
