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tls: Improve certificat saving - sacc - sacc(omys), simple console gopher client |
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git clone git://bitreich.org/sacc/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65… |
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--- |
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commit 0fce134e1baa2ae47aeb0ee7c091e6c25651bcea |
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parent 314af1528acc78f62256043cb8a9c81f8f7833b8 |
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Author: Quentin Rameau <[email protected]> |
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Date: Fri, 3 May 2024 06:12:10 +0200 |
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tls: Improve certificat saving |
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While the original code wouldn't pose a problem in practice, |
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as we're not expecting a server to give us a certificate of over 1GB, |
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this should make it a tad more robust. |
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Diffstat: |
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M io_tls.c | 14 +++++++++++--- |
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1 file changed, 11 insertions(+), 3 deletions(-) |
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--- |
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diff --git a/io_tls.c b/io_tls.c |
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@@ -106,6 +106,7 @@ savepem(struct tls *t, char *path) |
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FILE *f; |
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const char *s; |
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size_t ln; |
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+ int e = 0; |
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if (path == NULL) |
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return -1; |
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@@ -113,11 +114,18 @@ savepem(struct tls *t, char *path) |
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return -1; |
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if ((f = fopen(path, "w")) == NULL) |
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return -1; |
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- fprintf(f, "%.*s\n", ln, s); |
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+ |
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+ while (ln > 0) |
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+ ln = fwrite(s, 1, ln, f); |
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+ |
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+ if (ferror(f)) |
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+ e = -1; |
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if (fclose(f) != 0) |
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- return -1; |
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+ e = -1; |
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+ if (e == -1) |
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+ unlink(path); |
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- return 0; |
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+ return e; |
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} |
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static char * |
